6033_OrbitEnergy_RenewalApplic_20201119

hart '-4 hickman
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Via Email and FedEx
November 19, 2020
North Carolina Department of Environmental Quality
Division of Waste Management
Solid Waste Section
1646 Mail Service Center
Raleigh, NC 27699-1646
Attention: Ms. Donna Wilson
Subject: Solid Waste Permit Application — Food Waste -to -Energy Facility
Orbit Energy Charlotte, LLC
Charlotte, Mecklenburg County, North Carolina
H&H Project No. BLS-002
Dear Ms. Wilson:
Hart & Hickman PC (H&H) is submitting this permit amendment (renewal) application on behalf of
Orbit Energy Charlotte, LLC (OEC) to continue to operate a food waste -to -energy operation at
600 Johnson Road in Charlotte, North Carolina (Figure 1). The facility is considered a large Type 3
facility. A bound hard copy of the permit amendment application will be mailed to your attention.
The $50 permit application fee will be included with the hard copy submittal.
If you have any questions regarding the content of this application or need additional information,
please contact me at 919-723-2512 or gkanellis(d),harthickman.com.
Sincerely,
Hart & Hickman, PC
Gregory Kanellis, PE
Project Manager
Attachments
cc: Zachary D. Morgan — Chief Operating Officer, Orbit Energy Charlotte LLC
2923 South Tryon Street, Suite 100 3334 Hillsborough Street
Charlotte, NC 28203 Raleigh, NC 27607 www.harthickman.com
704.586.0007 main 919.847.4241 main

Solid Waste Permit Renewal Application
Orbit Energy Charlotte, LLC
600 Johnson Road
Charlotte, North Carolina
Permit No. 6033-AD-COMPOST-2015
H&H Job No. BLS-002
November 19, 2020
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SMARTER ENVIRONMENTAL SOLUTIONS
29235ou1h Tryon Street,Suite100 3921 Sunset Ridge Rd, Suite 301
Charlotte, NC 28203 Raleigh, NC 27607 www.harthickman.com
704.586.0007 main 919.847.4241 main

Solid Waste Permit Renewal Application
Orbit Energy Charlotte, LLC
600 Johnson Road
Charlotte, North Carolina
H&H Job No. BLS-002
Table of Contents
1.0 INTRODUCTION............................................................................................................... 1
1.1
Document Organization..................................................................................................... 1
1.2
Facility Owner................................................................................................................... 2
1.3
Flood Plain, Streams and Wetlands................................................................................... 3
1.4
Zoning................................................................................................................................4
2.0 PLANT SYSTEMS AND EQUIPMENT.......................................................................... 5
2.1
Waste Reception, Separators, and Biofilters..................................................................... 5
2.2
Biopulper Tanks................................................................................................................. 6
2.3
Primary Digesters.............................................................................................................. 7
2.4
Secondary / Cold Digester................................................................................................. 7
2.5
Solid/Liquid Separation..................................................................................................... 7
2.6
Digestate Drying................................................................................................................ 8
2.7
Biogas Collection, Gasholder and Safety Torch System ................................................... 8
2.8
Biogas Desulfurization, Condensate Removal, and Compression .................................... 9
2.9
Cogeneration Units............................................................................................................
9
2.10 Leachate Collection and Handling.................................................................................
10
2.11
Industrial Wastewater Pre-Treatment............................................................................
10
2.12 Protection of Groundwater............................................................................................
11
3.0 WASTE PRODUCTS.......................................................................................................12
3.1
Inorganic and Non -Biodegradable Materials...................................................................
12
3.2
Digestate..........................................................................................................................
12
3.3
Ammonium Sulphate.......................................................................................................
13
4.0 OPERATIONS PLAN......................................................................................................14
4.1
Hours of Operation and Staffing......................................................................................
14
4.2
Plant Capacity and Flow Rates........................................................................................
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4.3
Incoming Waste Inspection.............................................................................................
16
4.4
Outgoing Waste Inspection..............................................................................................
16
4.5
Vector Control.................................................................................................................
16
4.6
Stormwater Drainage Features........................................................................................
17
4.7
Roadways, Lighting, Signage..........................................................................................
18
4.8
Plant Alarms, Fire, and Procedures for Adverse Conditions ...........................................
18
4.9
Potable Water Supply......................................................................................................
19
4.10 Operator Training..........................................................................................................
19
4.11
Mitigation of Pathogen Risk..........................................................................................
19
4.12 Quality Assurance Testing.............................................................................................
20
4.13 Record Keeping and Reporting.....................................................................................
20
4.14 Site Security...................................................................................................................
21
5.0 ODOR CONTROL PLAN................................................................................................
22
5.1
On -Site Potential Odor Sources.......................................................................................
22
5.2
Weather Conditions.........................................................................................................
22
5.3
Odor Monitoring Plan......................................................................................................
22
5.4
Odor Complaint Protocol.................................................................................................
23
5.5
Odor Control Design and Operating Best Management Practices ..................................
23
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List of Tables
Table 1 Permit Information Location Reference
List of Figures
Figure 1 Site Location Map
Figure 2 Site Area Map
List of Appendices
Appendix A Design Basis and Specification Technical Memorandum
Appendix B Selected Facility Design Drawings
Appendix C List of Acceptable Wastes
Appendix D Flood Plain Map
Appendix E Signature Page
Appendix F Environmental Permits
Appendix G Fire Inspection Report
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Solid Waste Permit Renewal Application
Orbit Energy Charlotte, LLC
600 Johnson Road
Charlotte, North Carolina
H&H Job No. BLS-002
1.0 INTRODUCTION
The Orbit Energy Charlotte LLC (OEC) facility is an anaerobic digestion plant for the treatment
of organic food waste, with production of biogas and cogeneration of approximately 5.2 MW of
electrical power and thermal energy. The facility is located at 600 Johnson Road in Charlotte
North Carolina and is surrounded on all sides by trucking / distribution facilities. The subject
property occupies 13.06 acres. The constructed digester facility operations, including the
wastewater pretreatment area and excluding the office area, occupies approximately 5.7 acres. A
site location map is provided as Figure 1. The facility layout is depicted on drawing C-101 in
Appendix B. A process flow diagram of the food waste handling and treatment process is
provided on drawing G-104 in Appendix B. A site area map depicting an aerial image with a'/4
mile radius indicated is provided as Figure 2.
1.1 Document Organization
This Solid Waste Permit Renewal Application (Application) provides as -built information,
operating information, and other information pertinent to securing a renewal of the Solid Waste
Permit to Construct and Permit to Operate from the NCDEQ (DEQ) Division of Waste
Management, Solid Waste Section, for the OEC facility. OEC understands the Division groups
anaerobic digester facilities with compost facilities for the purpose of regulation. The Division's
compost facility rules, 15A NCAC 13B 1400 through 1410 were revised and adopted effective
November 1, 2019. Language specific to anaerobic digester facilities was added to the new rules.
This application package is intended to meet the requirements listed in 15A NCAC 13B 1405.
To facilitate permitting efforts, this application describes plant design features, operating
capacities, and operational conditions. Design details, specifications, and other facility details
are provided in the Design Basis and Specification Technical Memorandum (the Technical
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Memorandum) prepared by the facility operator, Montrose Environmental, and is included as
Appendix A. Selected site civil drawings and facility drawings pertinent to this permit
application are provided in Appendix B.
Importantly, this Application also includes a Table 1 which cites the Division's 1405 compost
facility permit rule requirements and indicates where in this Application the requested information
is provided for OEC's facility.
1.2 Facility Owner
The property owner is noted below. The signature page for the applicant is included in Appendix
E.
Property Owner Orbit Energy Charlotte LLC c/o Entropy Investment Management, LLC
Contact Person Mr. Kevin Kearney, CEO (Entropy Investment Management, LLC
Mailing Address 600 Johnson Road
Charlotte NC 28206
Phone [phone]
Email [e-mail]
The final facility owner and operator is OEC. Hart & Hickman, PC is providing environmental
permitting support to OEC. The facility is operated under an OEC services agreement with
Montrose Environmental. Operator contact information is provided below and a signature page
for the operator is provided in Appendix E.
Facility Operator Orbit Energy Charlotte, LLC
Contact Person Mr. Zachary D. Morgan, General Counsel, Entropy Investment
Management, LLC
Phone [phone]
Email [e-mail]
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Mailing Adress Orbit Energy Charlotte, LLC
c/o Entropy Investment Management, LLC
14120 Ballantyne Corporate Place, Suite 400
Charlotte, NC 28277
Contact for Montrose Environmental representative is provided below.
Company Montrose Environmental
Contact Person Mr. Jim Martin, Site Manager
Phone [phone]
Email [e-mail]
Mailing Adress 600 Johnson Road
Charlotte, NC 28206
1.3 Flood Plain, Streams and Wetlands
As shown in the FEMA GIS map obtained from the Mecklenburg County Polaris website and
provided in Appendix D, the facility is not located within a flood plain.
On September 17, 2014, Hart & Hickman, PC (H&H) submitted a Request for Preliminary
Jurisdiction Determination (PJD) & Pre -Construction Notification (PCN) to the United States
Army Corps of Engineers (USACE). The PCN proposed to impact approximately 50 linear feet
of Stream `A' to remove an existing culverted roadway crossing and to construct a new culverted
roadway crossing in the western portion of the site. The PCN also proposed to impact the
entirety of Wetland `B' to facilitate the construction of the new culverted roadway crossing.
On October 31, 2014, Mr. Elliot of USACE issued the Section 404 permit with verification to
use Nationwide Permit (NWP) #39 to impact 50 linear feet of Stream `A' and 0.04 acre of
Wetland `B' (Action ID SAW-2014-01928). Mr. Elliot also issued a PJD for the subject site,
which is valid for five years. Because the activities did not meet the thresholds or circumstances
for the corresponding and the North Carolina Department of Environmental Quality (DEQ)
Division of Water Resources (DWR) Section 401 Water Quality Certification (WQC) #3890,
written approval from DEQ DWR was not required. However, the project was required to be
constructed in general accordance with the terms and conditions of WQC #3890.
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In May/June of 2015, the roadway crossing was constructed in general accordance with the terms
and conditions of the NWP and WQC. A permit closure letter dated April 21, 2017 and signed
certification form were sent to USACE to satisfy the requirements of the Section 404 permit.
1.4 Zoning
The facility property is zoned I-2 General Industrial District and the facility is a permitted use.
The site area is depicted in an aerial photograph in Figure 2 with a 1/4 mile radius indicated.
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2.0 PLANT SYSTEMS AND EQUIPMENT
2.1 Waste Reception, Separators, and Biofilters
Organic food waste is delivered by closed transport trucks and in open top trailers to the plant.
Each truck crosses a scale upon entering the facility and drives to the unload area at the liquid
receiving pad or the Reception Building. The liquid receiving pad is a reinforced concrete pad
constructed with a pad drain that drains to a collection point for reuse in the digestion process. The
pad has rolled and elevated edges and slopes inward toward the drain to prevent spillage from the
pad. Liquid feedstock is unloaded from delivery trucks on the pad to the facility biopulper tanks
or is otherwise utilized to slurry solid organic food waste in the Reception Building. The Reception
Building is constructed with corrugated steel walls, motorized roll -up doors and a reinforced
concrete floor equipped with floor drains routed to a collection point for reuse in the digestion
process. The trucks back into concrete receiving bays as directed by the plant operator and dump
the load into hoppers with metal skirts. The backup point for the trucks will result in the waste
entering the hoppers and minimize spillage by design. Any trash on the truck pad will be picked
up during operations and every evening before closing. The area can also be hosed down if needed.
The water is captured by collection pits and is routed to the leachate drain system. Each door will
be open before they start the unloading operations and closed after they finish. Packaged goods
can also be processed by loading into a bag/box breaker. The bag/box breaker depackages fully
packaged and cased goods, discharges onto a conveyor, which discharges to the feed hoppers. The
reception building is operated under negative pressure and the air from the building is routed to a
biofilter system to remove odors from the air before being discharged to the atmosphere. A scented
mist system is also installed on the roll -up doors to mask any potential odors from incoming waste.
The biofilter is an aboveground structure with media to grow bacteria which remove the odor from
the air stream as it passes through the filter. The media in the biofilter is composed of wood roots,
bark, and peat. The ordinary maintenance of the biofilter is the following:
moisture evaluation of the filter bed (weekly);
visual evaluation of formation of macroscopic preferential paths (monthly);
pH evaluation of the filter bed (bimonthly);
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■ remixing of the filter bed (annual);
■ Cleaning of spray nozzles (annual);
■ Replace of the filter bed (every three years as a result of evaluation of the effectiveness of
filtration).
The hoppers discharge into dual screw augers that load two Scott Thor turbo separators with a
capacity of 20 tons per hour each. In the event that waste arrives that exceeds the capacity of the
off-loading area, the delivery will not be off-loaded until the existing materials have been
processed to create sufficient room for the new materials.
Two Scott Thor turbo separators separate the organic substance from the inorganic material in the
incoming waste (packaging, etc.). The separators produce an organic matter puree which is
pumped to one of two above -ground, cone -bottom 262,000-gallon biopulper tanks. Non -
biodegradable materials (inorganics and packaging; and sands) are discharged from the separators
to roll -offs for subsequent disposal at an off -site municipal solid waste facility.
A slurry tank was added inside the two east bay doors of the reception building to collect easily
mixed solids. The tank is equipped with a grinder pump to process certain solids before pumping
to the biopulper tanks.
2.2 Biopulper Tanks
The biopulper tanks are equipped with mixers and grinders to facilitate the digestion process.
Vapors from these covered tanks are routed under negative pressure to the biofilter odor treatment
system before being discharged to the atmosphere. The biopulper tanks are equipped with a sand
trap to remove grit, sand, and other inorganics from the process. Collected sand is disposed at a
permitted solid waste landfill as needed.
The plant also receives dissolved air flotation (DAF) waste in tanker trucks that is pumped directly
to the biopulper tanks where they are mixed with the pureed solids from the separators. The off-
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loading area is concrete with a catch basin that drains back into the process.
2.3 Primary Digesters
The organic content of the biopulper tanks is pumped to one of three large anaerobic digestion
tanks where the biomass is degraded by microorganisms under anaerobic conditions to produce
biogas and digestate. The primary digesters are 2.29 MM-gallon, closed, insulated, concrete,
cone -bottom tanks equipped with external heat exchangers to operate at a digester temperature of
approximately 1317 (55°C). These digesters are designed for approximately between 25 and 50
days of solids retention time depending on whether the digesters are operated at thermophilic or
mesophilic temperatures. Digestate produced in the primary anaerobic digesters is pumped from
the bottom of the primary digesters to a secondary digester.
2.4 Secondary / Cold Digester
A single 398,000-gallon concrete, closed, cone -bottom, unheated secondary anaerobic digester
(i.e. the cold digester) is used to further degrade and extract biogas from the digestate produced
in the primary digesters. This secondary digester is designed for a solids retention time of
approximately 2.3 days. Digestate from the secondary digester is pumped to the solid/liquid
separation area of the plant.
2.5 Solid/Liquid Separation
The digestate pumped from the cold digester is subjected to a solid/liquid separation process
comprised of centrifuges and associated tanks. An additional centrifuge, for a total of three, was
added as part of the recent facility retrofits. The solid/liquid separation process is located in a
special covered area with concrete flooring and floor drains routed to the wastewater pre-treatment
system. The dewatered digestate solids are discharged to a conveyor belt system and transported
directly to the dryers. During scenarios of dryer or belt conveyor downtime the dewatered
digestate solids are discharged to a covered concrete holding area. Solids in this storage area are
loaded into covered roll -off containers for use off -site for land application on agricultural crops or
as an accelerant for composting. Liquid digestate is pumped to a storage tank and then pumped to
the equalization tank.
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2.6 Digestate Drying
The separated solids discharged from the solid/liquid separation systems are transported to the
dryers by a covered conveyor belt system. The solids are dried using perforated conveyor belts
and a flow of hot air (pre -heated with waste heat from the cogeneration units) flowing across the
conveyor. The air flow from the dryer equipment is then routed through a two -stage wet scrubber
to remove dust, odors and ammonia. The spent scrubber water is routed to the on -site wastewater
pre-treatment system and the ammonium sulphate that is produced is stored in a tank within a
containment system. A screw elevator system transports the dried digestate exiting from the dryers
to a roll -off box container stored under canopy. The dried digestate is transported off -site to for
seasonal land application on agricultural crops and for delivery to composting operations as an
accelerant for composting. In the event that accumulated dried digestate may exceed the capacity
of the off-loading area, the process is stopped until the existing materials have been hauled off -site
to create sufficient room for the new materials.
2.7 Biogas Collection, Gasholder and Safety Torch System
The biogas produced from the anaerobic process is compressed to a pressure of about 0.3 psi above
atmosphere pressure and delivered to a spherical, double membrane gasholder with a storage
capacity of approximately 35,000 cubic ft. Above ground sections of the biogas line are made of
stainless steel with flanged connections, and the underground sections are made of welded HDPE
piping. Biogas is routed from the gasholder to the desulfurization and condensate removal system.
Recognizing that the digesters produce biogas continuously, in instances of excess biogas
production that cannot be managed in the gasholder (ex. during emergencies or maintenance
shutdowns), the biogas is delivered to two automated safety torches to flare the gas until the plant
returns to normal operating conditions.
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2.8 Biogas Desulfurization, Condensate Removal, and Compression
The biogas from the gasholder passes through a two -stage packed column wet scrubber system to
remove hydrogen sulfide. After desulfurization, the gas passes through a refrigerated heat
exchanger to remove condensate before the biogas is used in the cogeneration engines. The treated
biogas is then compressed with a centrifugal blower to a pressure between 1.5 to 3.0 psi above
atmospheric pressure for delivery as fuel to the cogeneration engines.
2.9 Cogeneration Units
Each of the three cogenerators consists of a primary internal combustion engine, a generator, a
heat recovery system, and the necessary electrical interconnections to deliver power to the local
utility grid network. The cogeneration units, also referred to as CHP units (combined heat and
power), utilize the biogas to fuel the internal combustion engines, which drive the generator to
produce electricity. The heat recovery components provide heat to keep the primary digesters at
131°F (55°C), and for drying the digestate. During operation at full load the three units produces
combined electrical power equal to 5200 kW (two CHP units with nominal power of 2000 Me
and one with nominal power of 1200 Me). Exhaust gases passing through the heat exchangers
extract additional heat for a total thermal power equal to 5387 kW. The CHP units are installed in
enclosed containers.
The CHP units are designed by the manufacturer for low NOx combustion to further reduce
emissions. These CHP emission controls, along with the biofilter odor controls described in
Section 2.1 and the packed wet scrubbers described for the Digestate Dryers in Section 2.6,
comprise the emission controls for the OEC facility. OEC has secured an approved Air Permit to
Construct and Operate a Title V Facility from Mecklenburg County Air Quality, permit number
19-01 V-021. A copy of the air permit is provided in Appendix F.
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2.10 Leachate Collection and Handling
There are two dedicated networks for collecting leachate and wash waters at the plant as depicted
in Drawing P-04 provided in Appendix B. The first network receives leachate from the reception
building, biofilters, secondary/cold digester, chemical storage tanks, and at the primary digesters
where pumps and equipment are mounted. The leachate collection pits shown on Drawing PO4
are pre -fabricated reinforced concrete boxes that are dropped into place as one piece. The waters
from this network are routed to a relaying sump and are pumped to the biopulper tanks. The second
collection network receives leachate waters from the solid digestate storage area, the chemical
building, liquids discharged from the solid/liquid separation centrifuge, and water condensate from
the gasholder, biogas line and biogas scrubber towers. The waters from this second network are
routed to the 387,000-gallon above ground, round, glass -lined steel wastewater equalization tank
for subsequent treatment in the on -site industrial wastewater pre-treatment system.
2.11 Industrial Wastewater Pre -Treatment
Leachate and other wastewaters routed to the industrial wastewater equalization tank are pumped
to the on -site activated -sludge pre-treatment system. This system is permitted to treat and
discharge up to 180,000 gallons per day and reduces nitrogen, COD, BOD and phosphorus in the
wastewater. The system discharges wastewater to the Sugar Creek Municipal Wastewater
Treatment Plant under a pre-treatment permit (#5016) (sanitary wastewater from the facility is
routed directly to the municipal sanitary sewer system and does not pass through the industrial
wastewater pre-treatment system). The biological wastewater pre-treatment system incorporates
pre-denitrification; oxidation/nitrification; and post-denitrification; followed by DAF. During the
recent retrofits, a phosphate dosing system was installed to add phosphorus (KH2PO4) to the
equalization tank which is a macro nutrient to aid in the biological treatment. A tank within the
tank farm secondary containment was repurposed to hold the phosphate. The wastewater pre-
treatment system is comprised of open top, above ground glass -lined steel tanks for the
equalization tank, pre -nitrification, nitrification, and post-denitrification. A 4,400-gallon
reinforced concrete wastewater tank is used to recycle industrial water and wastewater from
equalization tank back to the slurry tank. The recent retrofit also included an increase in aeration
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capacity of the nitrification tank. A second DAF unit was also installed to improve performance.
The activated sludge from the DAF system is recirculated to the to pre-denitrification tank to
improve system performance. Excess activated sludge that is removed from the wastewater pre-
treatment plant is periodically routed to the biopulper tanks or primary digesters to ensure they
meet the time and temperature requirements for pathogen reduction. The pre-treated industrial
wastewater discharge from the plant is subject to the City permit inspection, testing, and reporting
requirements.
2.12 Protection of Groundwater
The design features described above, including use of reinforced concrete flooring, covered waste
handling areas, closed process vessels, leachate collection systems, concrete and lined wastewater
pre-treatment units, and stormwater controls, mitigate risks to groundwater underlying the facility.
Accordingly, no groundwater monitoring is required at this site.
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3.0 WASTE PRODUCTS
3.1 Inorganic and Non -Biodegradable Materials
An estimated 3% by weight of the incoming food wastes is comprised of plastics, stones, etc. and
sand. These materials are separated from the food waste by the separators in the reception building.
The inorganics and non -biodegradable materials are inspected for non -household waste as it is
discharged from the separator units. Inorganic materials removed from the feedstock are stored in
roll -off containers located inside the reception building, prior to being disposed at a permitted
municipal solid waste landfill.
3.2 Digestate
The dewatered digestate in the output of the solid/liquid separation process is dried further in the
dryers to approximately 10%-20% moisture, resulting in a solid digestate. The digestate drying
process produces approximately 45 ton/day of dried digestate containing approximately 26 g/kg
nitrogen and 471 g/kg COD. The digestate is managed off -site for use in land application on
agricultural crops or as a compost accelerant. Digestate is sampled in accordance with 15A NCAC
13B 1407 by Pace Analytical Services. If the digestate does not meet the pollutant concentration
limits, OEC will arrange for disposal at a permitted municipal solid waste landfill.
Dried digestate is stored in roll -off containers located under roof adjacent to the dryer building.
Movement and replacement of roll -offs takes place on the asphalted yard in front of them. The
loading operation description is as follow:
■ the incoming truck drops the empty roll off container in convenient location on the
asphalted yard in front of the drying area;
■ the same truck moves the full roll off container (for offsite removal) from the drying area
to a convenient location on the asphalted yard in front of the drying area
■ the empty roll off container are moved inside the drying building in order to receive new
dried digestate.
■ the full roll off container is loaded on the truck and then removed from the site
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3.3 Ammonium Sulphate
As described in Section 2.6, air flow from the digestate dryer equipment is routed through a two -
stage wet scrubber to remove dust, odors and ammonia. The ammonium sulphate that is produced
in this scrubber operation is subsequently crystalized and stored in a tank within a secondary
containment system. Approximately 3.0 tons/day of ammonium sulphate is produced and sold as
a technical grade industrial reagent. There are no spent chemicals or acids that require disposal.
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4.0 OPERATIONS PLAN
4.1 Hours of Operation and Staffing
The plant receives waste deliveries into the reception building and process incoming wastes
through the separators 6 days per week (Monday through Saturday). Expanded operating hours
are proposed for 6:00 AM to 8:00 PM Monday through Friday and 6:00 AM to 6:00 PM on
Saturday. The weekday shifts consist of one site manager, a lead operator, a site logistics
coordinator and administrator, three wastewater operators, four receiving operators, one electrical
operator, one maintenance operator, and a laboratory technician. The Saturday shift has three
operators. During holidays, Sunday, and night time periods when waste is not being received,
weekly scheduled two on -call operators monitor the SCADA activity via mobile phones. If an on -
site emergency occurs, the appropriate operators would proceed to the site. Calls to the office
during after-hours are redirected to the Site Manager.
Personnel and Duties
• The Site Manager directs operating staff, directs activities to optimize operations, verifies
maintenance is being conducted as necessary, and ensures compliance with operating
permit requirements. The Site Manager is responsible for interaction with customers,
vendors, regulators, and members of the community.
• The Site Operations Leader is responsible for day to day direction of work force in
accordance with standard operating procedures and management direction. The Site
Operations Leader serves as a backup for the Site Manager and reports to Site Manager.
• Senior Operator(s) coordinates daily job tasks among the operators within the operating
team. The Senior Operator(s) serves as backup to the Site Operations Leader and reports
to Site Manager.
• The Operators perform job tasks based upon training, management direction, and standard
operating procedures. The Operators report to the Site Operations Leader.
• The Site Logistic Coordinator and Administrator administers site compliance
documentation, operations documentation, procurement, and inbound/outbound logistics
for feedstocks and products. The Site Logistics Coordinator provides point of contact for
site inquiries and for feedstock providers. Reports to Site Manager.
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• The Lab Technician conducts process analyses to optimize process conditions and directs
analyses conducted by outside laboratories. The Lab Technician conducts process analyses
to optimize process conditions and directs analyses conducted by outside laboratories.
Opening procedures include inspection of plant areas and equipment, processing unprocessed
materials through the separators if needed, to provide sufficient unloading room in the reception
Building to accommodate the day's deliveries, reviewing scheduled maintenance activities, and
unlocking the facility gate. Closing procedures include securing the facility gate, closing the
Reception Building roll -up doors, ensuring digester equipment systems are in proper order for
unattended operation, and securing operations logs from the day's activities.
4.2 Plant Capacity and Flow Rates
The Technical Memorandum provided in Appendix A provides a detailed mass balance for all
flow streams in the plant. Flow rates of key process streams are noted below.
• The two separators are designed to process up to 20 tons of organic food waste per hour
each. The incoming wastes are processed through the separators, which separate packaging
and other non -biodegradable materials from the food waste.
• The total pre-treated wastewater flow to the Sugar Creek Municipal Wastewater Treatment
Plant from the on -site wastewater pre-treatment plant is designed for approximately
158,000 gallons per day with a permit limit of 180,000 gallons per day.
Seasonal variations in flow rates are not anticipated. The approximate duration of treatment in
key process units is as follows:
Reception Building and Separators Not more than 3 days
Biopulper Tanks and Digesters 40 days average
Cold Digester Approximately 2 days
Liquid -Solid Separation and Digestate Drying Approximately 1 day
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4.3 Incoming Waste Inspection
The incoming waste is inspected by facility operators trained to identify unpermitted materials in
the waste. A table of acceptable and unacceptable materials is provided in Appendix C. Once
the waste is inspected, approved, and logged by the designated facility operator, the vehicles leave
the reception building, and re -weigh and exit the plant. In the event the waste is rejected, the
operator notifies the driver and reloads the rejected material for subsequent off -site disposal at a
permitted facility.
4.4 Outgoing Waste Inspection
The inorganics and non -biodegradable materials from the reception building is inspected by OEC
personnel as required by the off -site receiving facilities. The pre-treated industrial wastewater
discharge from the plant is subject to the City industrial wastewater pre-treatment permit
inspection, testing, and reporting requirements.
4.5 Vector Control
Facility Perimeter: The facility is secured by a single entry gate and perimeter fence to prevent
entry of large animals and trespassers.
Odors: As described earlier in this Application, odors are controlled at the reception building and
biopulper tanks and by routing air under negative pressure 24 hour per, 7 days per week at these
locations to a biofilter system to remove the odors from the air before being discharged to the
atmosphere. The OEC Reception Building design includes key features to reduce odor: (1) the
solid food waste is delivered and handled inside a building with no exposure to rainfall; (2) the
building is operated under negative pressure and the building air is routed through a biofilter to
remove odors before being released to the atmosphere; (3) the food waste delivery and handling is
conducted within metal hoppers and conveyors above a concrete floor within the Reception
Building; and (4) the concrete floor is sloped to a leachate collection system that routes the fluids
to the digestion process vessels. Scented misters are also installed above the roll -up doors to mask
odors from incoming waste. Liquid food waste arrives in an enclosed 6,000-gallon tanker truck
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and is offloaded through a closed process via positive displacement pump directly into onsite
storage tanks that are vented through the biofilter system. Additional details regarding odor
controls are provided in Section 5.0.
Rodents: Rodents are controlled through the use of traps and bait boxes. The reception building
floor and floor drains are cleared of food waste, washed down at the end of each business day, and
remain free of food waste during night time hours. In addition, the inorganics and non -
biodegradable materials separated from the incoming food waste by the separators are stored in
roll -off box containers that are picked up two times per week (or more frequently, if needed) for
off -site disposal.
Blowing Debris: Blowing debris are controlled by regular housekeeping of the plant area by
facility personnel, and prevented from blowing off -site by the perimeter fence.
Noise: The OEC plant site is surrounded on all sides by properties owned by trucking / distribution
operations. Noise at the facility is expected to be comparable to the noise generated at surrounding
trucking facilities. The cogenerators are equipped with mufflers and are estimated by the
manufacturer to produce sound at less than 85 dB decibel level at a distance of 3 ft. Ear protection
for the operators are required in areas exceeding 85 dB.
At the end of each operating day, the loading area will be clear and all feedstock will be
processed/mixed or properly stored.
4.6 Stormwater Drainage Features
Facility stormwater is diverted from operational, drying, and storage areas, and is routed via
catch basins to a detention pond in the southeast portion of the site. Enclosed waste handling
buildings, concrete paved floors equipped with floor drains routed to wastewater collection
systems, and use of piping for pumpable waste streams within the facility mitigates a majority of
stormwater concerns. Facility housekeeping ensures the stream and detention pond are protected
from unwanted materials and run-off. A concrete wall was erected to protect the stream in the
event of a release and re -direct the release to the detention pond for containment until the release
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can be remediated. A gate valve on the detention pond overflow structure can be closed in the
event of a release to prevent the release from reaching the stream. The facility maintains a
NPDES industrial general stormwater permit (Certificate of Coverage NCG060387) and
stormwater pollution prevention plan (SWPPP).
4.7 Roadways, Lighting, Signage
The facility roadways are paved in asphalt to provide excellent all weather conditions. Facility
buildings, operating areas and roadways are illuminated to allow safe operation after dark. Facility
roadways are lit at 10 lux, general exterior plant areas are lit at 3 lux, key exterior operations areas
are lit at 40 lux, and interior plant operations are lit at 100 lux.
The plant is equipped with signs that meet or exceed the requirements of OSHA, NFPA, and other
regulatory agencies. They are designed to indicate hazardous operations, dangers and PPE
requirements for operating personnel and visitors. Signs are posted in open visible areas. Plant
piping is marked by labeling with the color identifying the type of contents. In addition, signs are
posted at the facility entrance providing information on waste that can be received, dumping
procedures, facility hours, and the solid waste permit number. The signs state that no hazardous
waste, asbestos containing waste, or medical waste can be received at the facility. Signs are posted
to promote orderly traffic to and from the Reception Building.
4.8 Plant Alarms, Fire, and Procedures for Adverse Conditions
Alarms caused by equipment breakdowns, mechanical malfunctions, and out of range instrument
detections are displayed on an operator's control screen and are accompanied by an audible
signal. There is also a colorized visual display of alarms on building exteriors and exterior
audible alarms. The facility is equipped with lightning and grounding protection, and over-
pressure protection. In the event of an over -pressure or excess gas in a vessel or line, the vapor
is discharged to the safety torch described in Section 2.7. In the event a fire occurs at the plant,
all processes will terminate except the safety torch system will continue operating. DEQ Solid
Waste Section will be notified orally within 24 hours and in writing within 15 days of the
incident.
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Fire protection equipment maintained on site includes those required by OSHA and local codes.
In addition, arrangements were made with local fire protection officials to ensure appropriate
firefighting services are available when needed. Periodic fire inspections are completed by the
Charlotte Fire Department. A fire inspection report from 2017 is included as Appendix G. The
facility is designed for adverse weather conditions. Waste is handled inside buildings and vessels,
or under covered areas, and other activities require outdoor operations. Accordingly, adverse
conditions such as heavy rain, high winds, snow and ice influence plant operations much like they
do other operations that involve truck traffic and outdoor operations and OEC facility operations
adjust similarly.
In the event of a spill, the facility maintains various plans to prevent and address spills depending
on the type. The facility maintains a Stormwater Pollution Prevention Plan for spills that may
impact stormwater, a Spill Prevention Control and Countermeasures (SPCC) plan for oil spills,
and a Slug/Spill Control Plan for spills related to or that may impact wastewater treatment.
4.9 Potable Water Supply
Potable water is provided by the City of Charlotte public water supply and used in the plant for
wash downs, biogas scrubbing, preparation of solids separation chemicals, emergency eye wash
stations and showers, and general facility maintenance and housekeeping.
4.10 Operator Training
Operator training is conducted for all site personnel and includes site specific safety procedures,
facility housekeeping, waste inspection, corrective action procedures, and emergency notification
procedures. This training includes instruction on compliance with operating permits.
4.11 Mitigation of Pathogen Risk
Pathogen risk for the OEC facility is mitigated by use of heat in the anaerobic digestion process,
and by exposure of the digestate to higher heat in the final digestate drying process.
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The required temperature for pathogen destruction depends on the time of exposure to an elevated
temperature. US EPA has produced formulae to determine the time -temperature regimes for
thermally treated "Class A" sludge, (US EPA, 1999). The OEC facility is designed for a hydraulic
retention time with continuous mixing of the digestate for 40 days average at 55°C (131 °F), which
is well beyond the EPA required time to achieve the complete pathogen inactivation of 4 days at
temperature of 55°C (131°F). Further, the digestate drying process achieves 15-20% moisture
content by subjecting the digestate to temperatures in excess of 80°C (176°F), which provides and
additional safety factor for pathogen destruction.
4.12 Quality Assurance Testing
Routine process testing and analysis is conducted no less than three times each week and includes
operating temperatures, pressures, percent solids, bio-gas quality parameters, and other parameters
necessary for optimizing facility operations. Temperature monitoring instruments are located in
the digesters, at the digestate drying equipment, and elsewhere in the plant. Outgoing pre-treated
industrial wastewater is analyzed as specified in the industrial wastewater pre-treatment discharge
permit to be issued by Charlotte Water.
4.13 Record Keeping and Reporting
Facility personnel record and maintain records for a minimum of five years and include the items
noted below. These records and copies of construction and operating permits are kept at the facility
in digital format or hard copy.
• Daily operational records including digester operating temperatures and times, and
quantity of material processed
• Analytical results on digestate testing
• The quantity, type and source of waste received
• The quantity and type of waste processed into digestate
• Odor management records
• The quantity, destination, and product classification of digestate shipped from the site
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An annual report for the period July 1 to June 30 is submitted by the facility owners to DEQ by
August 1 each year and contains:
• The facility name, address, and permit number
• The total quantity in tons and type of waste received at the facility during the reporting
period, including tons of waste received from local governments of origin
• The total quantity in tons and type of waste processed into energy during the year covered
by the report
• The total quantity in tons and type of digestate produced and shipped from the facility, by
product classification, during the reporting period
• Monthly digester temperature monitoring results
• Results of analytical testing
• Yearly totals of solid waste received and processed shall be reported back to the local
government of origin for annual recycling reporting
4.14 Site Security
The facility is equipped with a full perimeter security fence and a single gated truck entrance. The
facility is manned during open hours and the gate locked during non -operating hours.
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5.0 ODOR CONTROL PLAN
5.1 On -Site Potential Odor Sources
Potential odor sources at the facility include:
• Third -party vehicles transporting waste to the site or hauling rejected materials from the
site
• Reception area off-loading of solid, slurry and liquid waste material
• Sand trap area
• Receiving building
• Digestion gas from biopulpers and digesters
• CHPs and flares
• Solids processing area including centrifuges and dryers
• Wastewater treatment area
5.2 Weather Conditions
Weather conditions that could affect odor migration and intensity include high winds and elevated
outdoor temperatures during summer months. As with most locations, wind direction at the site
varies widely. Wind data from the Charlotte Douglas International Airport indicates that the
average wind direction is from the north/northwest direction. Topography changes in the area of
the site are not expected to significantly affect the migration of odors from the site. Weather
forecasts and conditions will routinely be monitored to take precautions ahead of storms or during
potentially elevated odor conditions (i.e. elevated outdoor temperatures).
5.3 Odor Monitoring Plan
A daily odor inspection form will be used to evaluate and document existing odors at the facility.
The inspection form will include: date, time, site specific conditions, weather conditions, wind
direction, and characteristics and intensity of odor.
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5.4 Odor Complaint Protocol
To facilitate the receipt of odor complaints, the facility contact information will be displayed at
the front entrance to the site. The site phone includes a 24/7 messaging system upon which
concerns and complaints may be relayed. Following receipt of an odor complaint, an attempt will
be made to contact the person issuing the complaint. A log of the complaint will be recorded and
include the location the odor was detected, the potential source of the odor, wind direction, time
and date, and a characterization of the odor. As part of the complaint response an on -site and off -
site inspection by an operator will occur to verify the odor or other potential off -site sources. Once
the odor is verified, facility staff will work to identify and mitigate the source of the odor.
Depending on the source of the odor, various mitigation strategies can be deployed including:
• Increasing housekeeping;
• Closing roll -up doors;
• Employing scent misters and backpack misters;
• Removing/covering/processing odorous material;
• Inspecting/repairing J-traps and valves; and
• Adjusting wastewater additives.
If third -party vehicles are the source of odor, the Site Manager will communicate mitigation
measures with them to prevent odor complaints in the future. All odor inspection forms and
complaint logs will be kept onsite.
5.5 Odor Control Design and Operating Best Management Practices
Facility operators are trained to operate equipment manage the site in a manner that minimizes
odor generation and odor migration. These best management practices include:
• Keeping roll -up doors closed when not receiving waste;
• Employing misters when odorous material is being processed;
• Routinely cleaning equipment and storage areas;
• Covering potentially odorous material; and
• Immediate off-loading or rejecting odorous material per Site Manager's discretion.
The reception building is the main potential source of odors at the facility. As discussed in Section
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2.1, the reception building is operated under negative pressure to keep odors within the building.
The air from the reception building is vented through a biofilter system prior to exhausting to the
atmosphere. This system is maintained in a manner to reduce odors from the reception process.
The biopulper tanks are also exhausted to the bio filter. Section 3.1.1 of the Technical
Memorandum in Appendix A describes the biofilter in greater detail as well as modification made
during the recent retrofit to improve its performance.
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Table 1
NCAC Compost Facility Rules Reference List
15A NCAC 13B .1405 APPLICATION REQUIREMENTS FOR SOLID WASTE COMPOST FACILITIES
Location of similar Information
The following information shall be required for an application for a permit to construct and operate a Large Type 1, Small or Large Type 2 or 3 or all Type 4 solid
waste compost facilities:
(1) the name and contact information of the facility owner and operator;
Section 1.2
(2) documentation of property ownership, including:
(a) the property owners;
Section 1.2
(b) a current property deed; and
Not Required for Renewal
(c) a notarized acknowledgement letter from the landowner of use of the property as a solid waste facility if the landowner is not the facility owner or operator.
Not Applicable (Facility Owner is theLand Owner)
(3) an aerial photograph or scaled drawing, at a scale of one inch to less than or equal to 400 feet, showing the area within one-fourth mile of the proposed
site's boundaries with the following identified:
Figure 2
(a) the entire property owned or leased by the person proposing the facility;
Figure 2
(b) the location of all homes, wells, industrial buildings, public or private utilities, roads, watercourses, and the topography within 500 feet of the
proposed facility; and
Figure 2
(c) the land use zoning of the proposed site.
Figure 2
(4) a letter from the unit of government having zoning jurisdiction over the site that states that the proposed use is allowed within the existing zoning, if any,
and that necessary zoning approvals or permits have been obtained;
Not Required for Renewal
(5) an explanation of how the site complies with siting and design standards required by Rule .1404 of this Section;
Not Required for Renewal
(6) a report indicating the following:
(a) the waste types, the source and estimated quantity of the solid waste to be composted including the source and expected quantity of any bulking
agent or amendment if applicable), expected recycling of bulking agent or compost, and seasonal variations in the solid waste type or quantity; and
Section 3.2
(b) for facilities that use natural soils as a pad, a soil evaluation of the site conducted by a licensed soil scientist down to a depth of four feet or to
bedrock or evidence of a seasonal high water table, evaluating all physical soil properties and depth of the seasonal high water table;
Not Applicable
(7) a site plan at a scale of one inch to less than or equal to 100 feet that delineates the following:
(a) the existing and proposed contours, at intervals appropriate to the topography;
Appendix B Dwg C-3 with notations
(b) the location and elevations of dikes, trenches, and other water control devices and structures for the diversion and controlled removal of surface
water;
Appendix B Dwg C-3 with notations
(c) the designated setbacks and property lines;
Appendix B Survey Plat
(d) the proposed utilities and structures;
Appendix B P01, PO4, and C-6 with
notations
(e) the areas for unloading, processing, active composting, curing, and storing of material;
Appendix B Dwg C-101
(f) the access roads and details on traffic patterns;
Appendix B Dwg C-2 Staking Plan
(g) the wetlands, streams, and 100-year floodplains; and
Section 1.3 and Appendix D
(h) the proposed surface and groundwater monitoring locations, if required.
Not Applicable
(8) an operations plan that includes the following:
(a) the name and contact information for the person responsible for the operation of the facility;
Section 1.2
(b) a list of personnel and the responsibilities of each position;
Section 4.1
(c) a schedule for operations, including days and hours that the facility will be open, preparations before opening, and procedures to be followed after
closing for the day;
Section 4.1
(d) special precautions or procedures for operating during wind, heavy rain, snow, freezing or other adverse conditions;
Section 4.8
(e) a description of actions to be taken to minimize noise, vectors, and air borne particulates;
Section 4.5
(f) a description of the use for the finished compost, the method for removal from the site, and a contingency plan for disposal or alternative use of
residues or finished compost that cannot be used in the expected manner due to poor quality or change in market conditions;
Section 3.2
(g) contingency plan describing actions to be taken for equipment breakdown, unauthorized waste arriving at the facility, spills, and fires;
Sections 4.3 and 4.8
(h) a discussion of compliance with the operational requirements listed in Rule .1406 of this Section; and
Section 4.0 and 4.13
(i) for Large Type 1, Large Type 2, Large Type 3, and all Type 4 facilities, include the following:
(i) a description of procedures for incoming material inspections;
Section 4.3
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Table 1
NCAC Compost Facility Rules Reference List
(ii) a description of procedures to meet the final product sampling and analyses requirements specified in in Rule .1407 of this Section;
Section 3.2 and 4.12
(iii) a description of procedures to meet the record keeping requirements specified in Rule .1408 of this Section; and
Section 4.13
(iv) a copy of all applicable local, state, and federal permits and approvals necessary for the operation of the facility.
Appendix G
(9) a report on the design of the facility, including:
(a) the design capacity of the facility;
Sections 2.0 and 4.2 and Appendix A
(b) a process flow diagram of the entire facility, including the type, size, and location of all equipment used in the compost process, and feedstock flow
streams. The flow streams shall indicate the quantity of materials by weight and volume;
Section 2.0, Appendix A, and Appendix B
dwg G-104
(c) a description and sizing of the storage facilities for feedstocks, amendments, and finished compost;
Section 2.0 and 3.2
(d) the means for measuring, shredding, mixing, and proportioning input materials;
Section 2.1
(e) the anticipated process duration, including receiving, preparation, composting, curing, and distribution;
Section 4.2
(f) a description of the location of all temperature and any other type of monitoring points within the compost windrow, and the frequency of
monitoring;
Not applicable per 15A NCAC 13B
.1409(c)(2)(A)
(g) a description of how the temperature control and monitoring equipment will demonstrate that the facility meets the requirements in Rule
.1406(11), (12), or (13) of this Section, as appropriate for the feedstock;
Not applicable per 15A NCAC 13B
.1409(c)(2)(A)
(h) the method of aeration provided and the capacity of aeration equipment;
Not applicable per 15A NCAC 13B
.1409(c)(2)(A)
(i) a description of the method to control surface water run-on and run-off and the method to control, collect, treat, and dispose of leachate generated;
Section 2.10, 2.11, and 4.6
(j) the separation, processing, storage, and ultimate disposal of non-compostable materials, if applicable;
Section 2.1 and 3.1
(k) a description of dust control and other air emission control measures; and
Sections 2.1, 2.6, 2.9 and 4.5
(I) a description of recycling or other material handling processes used at the facility.
Section 2.0
(10) Odor Control Plan. Operators of Large Type 2, Large Type 3, and all Type 4 facilities shall prepare, submit to the Division, and implement an odor
control plan that details site specific conditions to meet the design requirement in Rule .1404(c)(4) of this Section. Existing facilities permitted prior to
the readopted effective date of this Rule shall meet these requirements at the time of permit renewal. The plan shall contain the following:
Section 5.0
(a) an identification of all onsite potential odor sources;
Section 5.1
(b) a description of onsite weather conditions that may affect odor migration, such as prevailing wind direction, topography, and seasonal variations;
Section 5.2
(c) a plan to monitor onsite odor and record odor data for the odor sources with the potential to migrate offsite. Data shall include date, time, site
specific conditions, weather conditions, wind direction, and characteristics and intensity of odor;
Section 5.3
(d) a description of the facility's odor complaint protocol, including forms used, odor verification by operator both onsite and offsite, what the response
will be, and who will be contacted;
Section 5.4
(e) a description of complaint record keeping; and
Section 5.4
(f) a description of odor control design and operating best management practices to be used onsite, including:
Section 5.5
(i) personnel training;
Section 5.5
(ii) feedstock characteristics;
Section 5.5
(iii) the initial mixing of feedstocks to reach targeted carbon to nitrogen (C:N) ratios and moisture levels;
Section 5.5
(iv) maintenance of compost piles for moisture;
Not Applicable
(v) aeration methods, frequency, and protocol;
Not Applicable
(vi) leachate and liquids management;
Section 5.5
(vii) weather monitoring and protocol;
Section 5.5
(viii) management of airborne emissions; and
Section 5.5
(ix) windrow covering;
Not Applicable
(11) engineering plans and specifications for the facility, including manufacturer's performance data for all equipment selected; and
Appendix A
(12) documentation that the local fire protection authority has been notified of the site use.
Section 4.8
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APPROXIMATE
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U.S.G.S. QUADRANGLE MAP
DERITA, NC 1996
QUADRANGLE
7.5 MINUTE SERIES (TOPOGRAPHIC)

Appendix A
Design Basis and Specification Technical Memorandum
hart hickman
SMARTER ENVI PLOW ENTAL SOLUTIONS

North Carolina Biogas and Digestate Wastewater Treatment Plants
Design Basis and Specification Technical Memorandum
Orbit Energy Charlotte, LLC Digester Plant
14120 Ballantyne Corporate Place, Suite 400
Charlotte, NC 28277
Project No: 029RC1-370240
May 31, 2018
4Er
ES Engineering Services, LLC
A Division of Montrose Environmental Group, Inc
Vo MONTROS�E
1 Park Plaza, Suite 1000
Irvine, CA 92614

1. Introduction
1.1 Project Purpose and Background
The Client seeks to bring their Biogas Digester Facility to its full intended operation of 5.2 MW of
energy production with the capability to accept a wide variety of feedstocks. Currently, the
facility is not capable of operating at this level and substantial changes and additions are
required in order to reach full operation.
In addition, the wastewater treatment plant associated with the biogas digester facility is
required to discharge below certain regulatory limits. Changes are required in this area of the
facility as well in order to reach full operation.
The new proposed digestion process plant and wastewater treatment plant upgrades will
include designs for the following primary components:
■ New mixed pre -consumer food waste separator System;
■ Third decanter centrifuge and associated mechanical and electrical system;
■ High speed turbo blowers and aerators;
■ Chemical delivery facilities with spill containment;
■ Dissolved air flotation unit;
• Modifications to the Process Building Odor Control System;
■ General site improvement for drainage and protection of the creek crossing the site; and,
■ Mechanical, electrical and instrumentation improvements for new facilities
These modifications and upgrades will be discussed in more detail in the sections to follow.
Section 2.0 will provide an overview of the current facility processes. Section 3.0 will discuss the
basis of the process changes and the specifications of the major modifications. Section 4.0
provides the specific equipment lists. Section 5 and 6 summarize the impacts to the electrical
process load and facility system respectively.
1.2 Design Waste and Wastewater Quality
The Orbit Energy Anaerobic Digestion Facilities located in the City of Charlotte, North Carolina
consists of a biogas digestion process facility and a wastewater treatment process facility. The
facilities are permitted under NPDES Number NC0024937 to discharge into the Sugar Creek
Wastewater Treatment Plant. The City of Charlotte issued a Discharge Permit number 5016
(Modified in May 2, 2018), which limits the effluent discharge concentrations to the values
shown in Table 1.1. This discharge permit will expire on May 31', 2019.

Table 1.1 Discharge Permit Limit Condition under Permit Number 5016
Limited Parameter
Unit
Final Designed
Discharge
Effluent Limitation
(Daily Maximum)
Flow rate
GPD
93,730
124,000
N H3-N
mg/L
< 13.5
16.41), 2)
CBOD5
mg/L
< 200
2,100
COD
mg/L
< 624
5001), 2)
TSS
mg/L
< 360
2501),2)
T-N
mg/L
< 320
1)
T-P
Ibs/day
< 3.0
115
Oil & Grease
mg/L
< 80
100
PCB
mg/L
< 0.003
< 0.003
Total Toxic Organic
mg/L
< 5
5.0
1) No limits at this time, only monitoring
2) Surchargeable level
The facility has been designed and constructed in order to meet the Discharge Permit Limitation
as shown in Table 1.1. The following describes Organic Food Waste (OFW), digestate, and
wastewater qualities for anaerobic digestion plant and the wastewater treatment plant,
respectively.

2. Process Overview — Current Facility Conditions
2.1 Anaerobic Digestion Plant
The existing Anaerobic Digestion portion of the Orbit Energy Charlotte facilty is discussed in this
section. The facilty is based on the design by Austep and construction began in 2015 (CHECK
THIS). The facility based on the original
design is 98% completed at this point. Figure 2.1 depicts
the overall process.
----------, ----------- -
,
-� Biogas Biogas ; Electric ;
Holder ;�� Scrubber ;�k Generator ;
ic
nWaste � FeCI,
L---------- L---------- L----------
�---------------
Food
Depacking
Acid
Anaerobic Hot
Anaerobic
Digestate
WWTP
system
Fermenter
❑igester
Cold Digester
Process
I
Antifoam T DAF Sludge
water
Sand Trap
Final
Disposal
Figure 2.1 Anaerobic Digestion Plant Process Flow Diagram
Under current conditions, pre -consumer organic food waste (OFW) is delivered from retail
facilities. restaurants, food manufactures, or disposal servicers is deposited in the OFW
receiving building. This OFW is usually packaged and can be in gaylords or packed on pallets.
Retail residuals may be in bulk 20-yard containers. The OFW may be dry, liquid or frozen
requiring hand depacking to remove the carboard bulk packaging to get to the individually
packaged retail units. A photograph of this condition is shown in Figures 2.2, 2.3, and 2.4 below.
Overall this is a highly labor-intensive operation. The individually separated units are processed
in the existing Tornado de -packing equipment with limited success.

V r
Figure 2.2 Current Condition of Receiving Building
Figure 2.3 Current Condition of Receiving Building
4

in

Liquid OFW and non -package, contamination free solid OFW are also received to the OFW
receiving building. This material is currently mixed and macerated also using the Tornado
process again with limited success. The liquid materials are many times lost to the floor or plug
the units. In the fall of 2017 a "sugar tank" was added with the intent of mixing the fine solids
and pre -slurried material such as tomato paste avoiding the Tornados and the usual failures.
Pictures of the typical solid or fine grained OFW are shown in Figures 2.5, 2.6 and 2.7 below.
Overall the current system is not set up to manage these varied types of feed stock.
Figure 2.5 Typical Solid OFW
0

e �
At .�
z r sy�
ok
i
A
Awk f
W.r

Finally the facility accepts liquid waste of low solids content that are not a candidate for either
the sugar tank or can be forced into the Tornadoes. This material which is usually DAF float from
poultry processing, Grease Trapping waste, or fryer grease is brought to the site in 6000 or
8000-gallon tankers. In the late summer and fall of 2017 the facility was retrofitted to accept
these residuals. Specifically, the original tank proposed to accept this material was only of a
3000-gallon capacity and could not manage the required volumes. In the end, the resultant
slurries described above, or tanker delivered materials are pumped to acid fermenters (i.e., the
Biopulpers).
It should be noted that the receiving building includes a ventilation system to remove odorous
air from the building. An exhaust fan collects foul air and conveys the air through stainless
ducting system to a caustic water scrubber and an open bed biofilter for odor control. The
scrubber and the biofilter are located adjacent to the receiving building. The system to date has
not been able to affect a negative pressure on the Receiving building.
As stated above, the OFW slurry is then pumped to the acid fermenters. Ferric chloride is added
at the acid fermenters to reduce sulfur compounds and odors. The acidified organic waste is
pumped to anaerobic digesters. There are three primary "Hot" digesters operated in parallel at
the temperature of 130 Deg. F. The thermophilic bacteria within the hot digesters produce
biogas, stabilize the food waste, and kill pathogens. The digestate then flows from the hot
digesters to a single unheated collection tank, the "Cold" Digester. The Cold Digester allows gas
to separate from the liquid and also provides storage for digestate in order to regulate the feed
to the decanting centrifuge.
Finally, the effluent digestate from the cold digester is be pumped to the wastewater treatment
plant for further treatment to meet the permit effluent discharge concentrations prior to the
final discharge into the Sugar Creek wastewater treatment plant. This process is discussed in
much more detail in Section 2.2 below.
The resultant biogas from the digesters which includes methane and carbon dioxide gases is
stored in a medium pressurized biogas holder. The biogas is then treated to remove sulfur
compounds and water prior to being injected into the gas engine generator system to produce
electrical energy.
The OFW flow rate is designed to be 108,630 GPD, which is equivalent to 411 ton/day food
waste including total solids (TS) of 21.0%, chemical oxygen demand (COD) of 380 g/L, and total
nitrogen (T-N) of 8.0 g/L as presented in Table 2.1. The digestate from fermenter and anaerobic
digester process is produced at a flow rate of 117,060 GPD and contains high strength organics,
solids, and nutrient concentrations with TS of 3.8%, COD of 48.8 g/L, T-N of 5.6 g/L, and total
phosphorus (T-P) of 0.26 g/L.
M

Table 2.1 Design Organic Food Waste and Digestate Quality
Parameter
Unit
Raw Organic
Food Waste
Hot Digester Feed
(Fermenter Eff.)
Digestate
(Wastewater
Inf.)
Flow rate
GPD
108,630
129,830
117,060
TS
%
21.0
17.2
3.8
VS
%
19.5
16.3
2.3
COD
g/L
380.0
314.3
48.8
T-N
g/L
8.0
7.6
5.6
T-P
g/L
0.3
0.26
0.26
2.1.1 Generalized Description of Acid Fermentation and Anaerobic Digestion
Process
The currently in place anaerobic digestion process discussed above is actually a series of
biological processes in which microorganisms break down biodegradable material in the
absence of oxygen. One of the end products is biogas, which is combusted to generate
electricity and heat, or can be processed into renewable natural gas and transportation fuels. A
range of anaerobic digestion technologies are converting livestock manure, municipal
wastewater solids, food waste, high strength industrial wastewater and residuals, fats, oils and
grease (FOG), and various other organic waste streams into biogas.
The digestion process begins with bacterial hydrolysis of the input materials in order to break
down insoluble organic polymers such as carbohydrates and make them available for other
bacteria. Acidogenic bacteria convert the sugars and amino acids into carbon dioxide, hydrogen,
ammonia, and organic acids. Acetogenic bacteria convert these resulting organic acids into
acetic acid, along with additional ammonia, hydrogen, and carbon dioxide. Finally, methanogens
convert these products to methane and carbon dioxide as biogas as described in Figure 2.8.
0

Complex biopolymers
(proteins, polysaccharides, fatsloils)
Fermentatr a Phase 1
hact�ria
Hydrolysis
Broken down monomers and oligomers
(Sugars, arnino acids, peps+des)
I Fermentative I
6anerla
Propionate
Fermentative Butyrate, etc.
haciena `1
[short -chain volatile
organic acids]
Hi + CO2 j
CO, redming
methanogens
Phase
Fe nnentative Acidogenes is
bacteria
Atrtvgens
y,
;k, producing}�
- — — — —�
Acetate
Acetogens
{H: �onsummg]
A[eia
methanog'rl: s
CH4 + CO,
Phase 3
Acetogenesis
Phase 4
Methanogenesis
Figure 2.8 Conceptual Diagram of Anaerobic Digestion Process
The two -stage digester separates the initial hydrolysis and acid -producing fermentation from
methanogenesis, which allows for higher loading rates for high nitrogen containing materials
but requires additional reactors and handling systems. Feedstock is typically diluted with
process water to achieve the desirable solids content during the preparation stages.
Captured biogas is transported through pipe from the digester, either directly to a gas use
device or to a gas treatment system. If the feedstock contains high concentrations of sulfur and
no steps are taken to prevent formation of hydrogen sulfide in the digester, then hydrogen
sulfide is removed from the biogas to prevent corrosion of the combustion device or other
downstream equipment.
2.2 Digestate Wastewater Treatment Plant
The wastewater treatment plant consists of an equalization tank, pre-denitrification tank,
nitrification tank with recycle to the pre-denitrification tank, post-denitrification, and dissolved
air flotation (DAF). The equalization tank provides flow and concentration equalization. The pre-
denitrification tank is a mixed anoxic basin that biologically converts nitrate/nitrite to nitrogen
gas (i.e., denitrification) using the organics in the wastewater. The nitrification tank is an aerobic
basin where organics are biologically degraded and ammonia is converted to nitrate/nitrite. The
recycle from nitrification tank to the pre-denitrification tank allows for nitrate/nitrite produced
in the nitrification tank to be converted to nitrogen gas in the pre-denitrification tank. The post-
denitrification tank is a mixed anoxic tank where glycerin is added to promote removal of any
remaining nitrogen. The dissolved air flotation provides separation of biological solids from the
treated wastewater prior to discharge.
10

The digestate generated from the anaerobic digesters enters decanter centrifuges where ferric
chloride and polyelectrolyte are added to separate solid and liquid fractions. The separated
liquid fraction from the decanter centrifuges is conveyed to an equalization tank and the
separated solid fraction (sludge cake) is transported to waste heat dryers to reduce the moisture
content prior to final disposal. In order to remove COD, TSS, and nitrogen in the secondary
biological treatment process, sodium hydroxide (NaOH), antifoam, and phosphorus (KH2PO4) are
added into the equalization tank. The liquid flow containing chemicals in the equalization tank is
continuously pumped to the pre-denitrification tank in order to remove nitrate recycled from
the nitrification tank which converts ammonium to nitrate. The post-denitrification tank is
designed to remove the remaining nitrate/nitrite. The effluent in the post-denitrification tank is
pumped to the DAF process to remove COD and TSS, and the sludge rejected in the DAF is
recycled to the pre-denitrification tank to maintain the MLSS concentration, designed to be
7,500 mg/L. The excess floated sludge in DAF is transferred to the cold digester and back
through the dewatering process in the decanter centrifuges. The process is represented in
Figure 2.10.
Digestate from
anaerobic digester Recycle to
Depacking
Screw
Press
Polyelectrolyte
FeCI;
Sludge
Cake
Sludge recycle
Nitrate!nitrite recycle
Equalization Denitrification
Tank H Tank
NaOH
Antifoam
KH,P0,
Nitrification
Tank
NaOH
Antifoam
Post-
denitrification
Tank
Membrane Discharge
Bic-Reaclor f
Sludge
Wasted
Electron donor
FeC13
Polyelectrolyte
Heat Dryer Final disposal
y p
Anaerobic DAF
Cold Digester Sludge
Floated
Figure 2.10 Process Flow Diagram for Wastewater Treatment Plant
Effluent
The digestate wastewater treatment plant consists of decanter centrifuges, an equalization
tank, a biological process (Bio-reactor) with pre-denitrification, nitrification, post denitrification,
and DAF units. The effluent from bio-reactor produces the flow rate of 107,260 GPD and is
expected to have soluble COD of 908 mg/L, NH3-N of 14 mg/L, soluble TKN of 64 mg/L, and
soluble T-P of 6 mg/L. The final effluent which passes through the DAF is able to be discharged
with the flow rate of 93,730 GPD with CBOD of 200 mg/L, and T-P of 3.1 mg/L to meet the
discharge permit limitation from the facility as described in Table 2.2.
11

Table 2.2 Design Digestate Wastewater and Final Discharge Quality
Parameter
Unit
Equalization Tank
Bio-reactor
Effluent
Final Discharge
Flow rate
GPD
101,180
107,260
93,730
COD
mg/L
16,267
90811
624
CBOD
mg/L
N/A
N/A
200
TSS
mg/L
5,349
7,472
360
NH3-N
mg/L
4,036
14
13.5
TKN
mg/L
4,270
64�)
58.9
T-P
mg/L
49
61)
3.1
1) Soluble concentration due to mixed liquor sample
2.2.1 Decanter Centrifuge Process Description
The decanter centrifuge is based on the simple idea of a clarifier or settling tank, in which
particles, sediment and solids gradually fall to the bottom due to the force of gravity. Rotating
the unit rapidly means that the effect of gravity is replaced by a centrifugal force to be effect of
which can be up to 4,000 times greater. This force is then used to separate solids from liquids
efficiently in a manner that is easy to control. Depending on the particular configuration and
surrounding equipment, a decanter centrifuge can be used to separate a wide range of different
solids from one or two liquid phases on a continuous basis. The decanter centrifuge separates
solids from one or two liquid phases in one single continuous process. This is done using
centrifugal forces that can be well beyond 3,000 times greater than gravity. When subject to
such forces, the denser solid particles are pressed outwards against the rotating bowl wall, while
the less dense liquid phase forms a concentric thickened inner layer. Different dam plates are
used to vary the depth of the liquid as shown in Figure 2.11.
Screw conveyor
Bulkhead
Pre -separat}on zone Control valve
Moto r Vane
d f - *Separated
f effluent
♦ Sludge
- _ slurry
Reduction —
gear
Thickening ` gowl l
chamber
Thickened sludge
solid matter Impellerpump
Figure 2.11 Conceptual Configuration of Decanter Centrifuge
12

The sediment formed by the solid particles is continuously removed by the screw conveyor,
which rotates at a different speed than the bowl. The centrifugal force compacts the solids and
expels the surplus liquid. The thickened sludge cake is discharged from the bowl. The clarified
liquid phase or phases overflow the dam plates situated at the opposite end of the bowl. The
speed of the screw conveyor may be automatically adjusted by use of the variable frequency
drive (VFD) in order to adjust to variation in the solids load.
2.2.2 Biological Treatment Process Description
Biological nitrogen removal can be accomplished by a variety of treatment configurations using
suspended growth, attached growth, or combined systems. For biological nitrogen removal, it is
essential that nitrification occur first followed by denitrification. Biological nitrogen removal
systems achieve nitrification and denitrification along with BOD reduction in bioreactors. The
most common nitrogen removal process used at WWTPs is the Modified Ludzck Ettinger (MLE)
process, which is considered a pre-denitrification, single sludge system. The process includes an
initial anoxic zone (denitrification tank), followed by an aerobic zone (nitrification tank). In the
anoxic zone, nitrate or nitrite produced in the aerobic zone is reduced to nitrogen gas. This
process uses some of the BOD in the incoming waste. Nitrification occurs in the aerobic zone
along with the removal of most of the remaining BOD. At the end of the aerobic zone, pumps
recycle the nitrate -rich mixed liquor to the anoxic zone for denitrification as presented in Figure
2.12.
Aft
;.Ltrr*xs. "SaL Aercftc Tote
A =4kS
Figure 2.12 Typical Biological Treatment Process for Nitrogen Removal
The biological treatment process applied in the facility builds on the MLE process with the first
two stages being identical to the MLE system. The third stage is a secondary anoxic zone to
provide denitrification to the portion of the flow that is not recycled to the primary anoxic
zone. Electron donor (e.g. glycerin, methanol or MicroC) can be added to post anoxic zones to
support denitrification. This process with high strength industrial wastewater can achieve
effluent T-N levels of 20 to 50 mg/L.
13

2.2.3 DAF Process Description
Dissolved air flotation (DAF) is a water or wastewater treatment process that
clarifies wastewaters by the removal of TSS through bubble enhanced flotation. The removal is
achieved by dissolving air in the wastewater under pressure and then releasing the air
at atmospheric pressure in a flotation tank basin. The released air forms tiny bubbles which
adhere to the TSS causing the TSS to float to the surface of the water where it may then be
removed by a skimming device.
The feed wastewater to the DAF float tank is often dosed with a coagulant (e.g. ferric chloride or
aluminum sulfate) to coagulate the colloidal particles and/or a flocculant to conglomerate the
particles into bigger clusters.
A portion of the clarified effluent water leaving the DAF tank is pumped into a small pressure
vessel (called the air drum) into which compressed air is also introduced. This results in
saturating the pressurized effluent water with air as shown in Figure 2.13.
Feed
Water
Flocculants
Chemical /
Mix Tank /
Air
Sparger
Froth Layer
Control Valve
Distribution
Underflovw
Baffle Rods
Baffle Outlet
I
l ~!Nair
Flotation Tank Effluent
Water
Sludge Froth
Vent Compressed
Air 0
c�
0
Cn Air
Drum Recycle
Pump
Figure 2.13 Conceptual Configuration of DAF Process
The air -saturated water stream is recycled to the front of the float tank and flows through a
pressure reduction valve just as it enters the front of the float tank, which results in the air being
released in the form of tiny bubbles. Bubbles form at nucleation sites on the surface of the
suspended solids, adhering to the particles. As more bubbles form, the lift from the bubbles
eventually overcomes the force of gravity. This causes the suspended matter to float to the
surface where it forms a froth layer which is then removed by a skimmer. The clarified water
exits the float tank as the clarified effluent from the DAF unit.
2.3 Summary - Current Conditions
The digester and wastewater treatment facilities systems described above in their current
condition do not support the expected maximum loading conditions based on expected feed
14

materials. As stated previously, certain equipment and processes at the site are undersized for
their intended application. In addition, there are certain site issues that must be addressed to
continue operation within permit requirements. These will need to be changed or increased to
meet these needs. These items include, but are not necessarily limited to:
■ New mixed pre -consumer food waste separator System;
■ Third centrifuge decanter and associated mechanical and electrical system;
■ High speed turbo blowers and aerators;
■ Chemical delivery facilities with spill containment;
■ Dissolved air flotation unit;
■ Modifications to the Process Building Odor Control System;
■ General Site improvement for drainage and protection of the creek crossing the site; and,
■ Mechanical, electrical and instrumentation improvements for new facilities.
The major process changes are discussed in section 3.0 below. The section will also include site
changes that will be affected as part of the proposed overall site re -development.
15

3. Design Basis and Specification of Major Process and Equipment
3.1 OFW Reception Building and Depacking
The OFW receiving building receives solid feedstock unpackaged in dump trucks and fully
packaged material on pallets. The unpackaged material is dumped into receiving hoppers direct
from a truck. Packaged material is manually depackaged and placed in the receiving hoppers.
The receiving hoppers feed Tornado separators that remove contamination (i.e., plastic, glass,
and metal) from the organic material. The contamination is conveyed to a roll off box for off -site
disposal. Tornado specifications are shown in Table 3.1.
Table 3.1 Material Receiving
Item
Unit
Feedstock Receiving System
Feedstock Capacity
tons/day
411
Hopper Capacity
CFT
2,800 (1,400 per unit)
Tornado Capacity
tons/hr
44 (11 per unit)
Tornado Power
HP
400 (100 per unit)
Separation Issue
The Tornado separation units removed a very low percentage of the feedstock contamination
causing issues with accumulation of the contaminants in downstream processes. The Tornado
units are being replaced with two Scott Thor turbo separators with a capcity of 20 tons/hr each.
The new separators will be fed from the existing hoppers and will discharge to the the acid
fermenters (biopulpers).
Expanded Feedstock Sourcing
In order to handle fully packaged and cased consumer goods, a bag/box breaker is being added
to allow for automatic depackaging of fully packaged and cased goods of dry material and then
process the material through the Thor Turbo Separators. The bag/box breaker will discharge
onto a conveyor which will discharge into the feed hoppers. A chute will also discharge onto the
same conveyor allow for ease of manually depackaging fully packaged and cased goods of wet
material.
Slurry Tank
As stated previously, certain solids will arrive at the facility that can easily be slurried with a
grinder pump. A new tank will be poured in the two east bay doors to allow off-loading of this
material. The tank will include a chopper pump to process this material and mix some for
pumping into the bio-pulpers.
16

3.1.1 Odor Control System
The OFW receiving building is provided with a ventilation system that consists of intake supply
and a forced exhaust fan. The building ventilation rate is designed to be 2.5 air exchange per
hour and to exhaust the odorous air through a caustic scrubber to an open bed biofilter odor
control system. The supply air enters the building through air gaps around the perimeters of the
roll up doors and louvers at the receiving end of the building. The FRP exhaust fan collects the
foul air and conveys it to an FRP caustic scrubber tower. The air leaves the tower and flows
upward through a perforated lateral piping system which distributes the air slowly throughout
the biofilter media bed where the contaminants in the air stream are absorbed, and adsorbed
onto the biofilm layer and metabolized. The treated air passes out of the top of the biofilter and
into the atmosphere. The media consists of a mixture of wood chips and compost which
provides a large surface area that supports the growth of the microbial population that
biodegrade the odor contaminants. This biological degradation process occurs by oxidation.
Typically, most biofilters operate for 5-7 years before it is necessary to replace the media. The
biofilter is expected to remove greater than 97% of odors. Table 3.2 describes the odor control
system design criteria.
Table 3.2 Odor Control System Design Criteria
Item
Unit
Odor Control System
Biofilter Capacity
CFM
15,890
Biofilter Size
FT
50 W x 70 L x 7 D
Media Bed Mixture
N/A
Wood Chips and Compost
Media Bed Depth
FT
4-4.5
Empty Bed Residence Time
Sec
60
Exhaust Fan Flow Rating
CFM
15,890
Exhaust Fan Pressure at Flow Rating
Inch W.C.
9.86
Exhaust Fan Motor Horsepower
HP
40
Odor issue
The receiving building is not properly set up to maintain required vacuum and air flow to control
fugitive emissions. Louvers will be added to the building and a damper will be added to control
the air flow.
17

3.2 Anaerobic Digestion and Electric Generation Plant
3.2.1 Acid Fermenter and Anaerobic Digester
Table 3.3 and Table 3.4 present the design criteria for the acid fermenter, anaerobic hot and
cold digesters, which are designed with the HRTs of 4.4 days, 55.4 days, and 3.6 days with the
tank volumes of 578,434 gallons, 7,194,840 gallons, and 430,947 gallons, respectively, and the
organic loading rates of the anaerobic hot digester are also designed to 184.0 Ib-VS/1,OOOft3/day
and 353.2 Ib-COD/1,OOOft3/day based on the design basis as presented in Table 3.3.
Table 3.3 Design Basis of Acid Fermenter and Anaerobic Digester
Item
Unit
Acid
Fermenter
Anaerobic
Hot Digester
Anaerobic Cold
Digester
Temperature
Deg. F
77
130
100
Hydraulic Retention Time
Days
4.0
55.0
3.5
Organic
VS
Lb/1,000 ft3/d
2,500
200
N/A
Loading Rate
COD
Lb/1,000 ft3/d
5,000
360
N/A
Table 3.4 Specification of Acid Fermenter and Anaerobic Digester
Item
Unit
Acid
Fermenter
Anaerobic
Hot Digester
Anaerobic Cold
Digester
Total Height
ft
33.5
42.7
28.9
Water Depth
ft
31.0
40.4
25.6
Internal Diameter
ft
39.25
98.4
52.5
Tank Volume
Gallon
311,845
2,529,147
484,385
Working Volume
Gallon
289,217
2,398,280
430,947
Number of tank
EA
2
3
1
Total Volume
Gallon
623,690
7,587,441
484,385
Total Working Volume
Gallon
578,434
7,194,840
430,947
Hydraulic Retention Time
(H RT)
Days
4.4
55.4
3.6
Organic
VS
Lb/1,000 ft3/d
2,300
184.0
N/A
Loading Rate
COD
Lb/1,000 ft3/d
4,500
353.2
N/A
Structure
-
Glass -fused -to -steel tank with concrete basement
18

Acid Fermenter Overpressurization
A significant foam event occurred in the acid fermenters. This event was caused by anaerobic
digestion occurring in the tanks. The gas production caused foam to form that lead to
deformation of the tanks for overpressure. Both acid fermenters will be replaced in -kind. This
event occurred following the development of the original scope of work.
Concrete Degradation
The acid fermenters are glass lined, steel tanks with a concrete floor. The acid production in the
tanks has significantly degraded the concrete floor. This was identified when the acid
fermenters where cleaned and inspected flowing the overpressurization event. The concrete
floors should have been sealed to protect concrete form acid attack. This improper construction
was identified after development of the original scope of work.
Inadequate Digester Mixing
During operation of the digesters, layers formed within two of the hot digesters and the cold
digester due to inadequate mixing. The layer formation leads to foaming events. A second set of
mixing blades will be added to all vertical mixers within the hot digesters. The motor horse
power for all digester mixers is being evaluated by the manufacturer (i.e., Lightning) to
determine mixer motor horsepower should be increased. These events occurred following the
development of the original scope of work.
3.2.2 Biogas Production and Electric Generator
Table 3.5 and Table 3.6 present the design basis and specification for the biogas production rate
and the biogas holding chamber. The maximum biogas production rate with the methane
contents of 70% is estimated to be 1,629.4 SCFM, coinciding with the COD removal rate of
292,239.2 lb-COD/day in anaerobic hot and cold digesters and at an operation temperature of
100-130 Deg. F.
Table 3.5 Design Basis for Biogas Production
Item
Unit
VS Base
COD Base
Methane Yield
SCF/lb-Org.rem
8.02
5.62
Organics Removed
Lb/day
154,624.2
292,239.2
Operation Time
Min/day
1440
1440
Methane Production Rate
SCFM
861.2
1,140.6
Methane
%
70
70
19

Biogas Production rate
SCFM
1,230.3
1,629.4
Holding Time
Min
15
15
Based on the design basis in Table 3.5, the volume of the biogas holding chamber is estimated
to be 35,316 ft3 with a holding time of 21.7 mins and a biogas production rate of 1,629.4 SCFM.
The biogas holding chamber is operated at the working pressure of 18 mbar as shown in Table
3.6.
Table 3.6 Specification of Biogas Holding Chamber
Item
Unit
Biogas Chamber
Remark
Biogas Production rate
Designed
SCFM
1,629.4
Based on the highest rate
Volume of Chamber
ft3
35,316
Holding Time
Min
21.7
Height of Gas Membrane
ft
32.5
Height of Air Membrane
ft
34.1
Working Pressure
mbar
18
Over Pressure: 23 mbar
The power production rate is estimated to be 120,049 kWh/day considering 90.0% mechanical
efficiency and 38% electrical efficiency. The generator capacity required is estimated to be 5.0
MW with the operation time of 24 hours a day as shown in Table 3.7. Electric generators at the
site are specified in Table 3.8.
Table 3.7 Design Basis of Electric Generator
Item
Unit
Electric Generator
Operation Time
Hr/day
24
Mechanical Efficiency
%
90.0
Electrical Efficiency
%
38.0
Power Production Estimated
kWh/day
120,049
Generator Capacity Estimated
MW
5.0
20

Table 3.8 Specification of Electric Generator
Item
Unit
Generator 1
Generator 2
Generator 3
Remark
Generator Capacity
MW
2.0
2.0
1.2
Total
Capacity:
Number of Generator
EA
1
1
1
5.2 MW
Type
Gas Engine
Gas Engine
Gas Engine
Model
CHP 2.0
CHP 2.0
CHP 1.2
Dimension
50 Lx12Wx10 D
50 Lx12Wx10 D
45 Lx12Wx10 D
3.3 Digestate Wastewater Treatment Plant
The wastewater treatment process facility is permitted under NPDES Number NC0024937 to
discharge into the Sugar Creek Wastewater Treatment Plant per the City of Charlotte issued
Discharge Permit number 5016. The treatment facility is being designed to meet these limits.
3.3.1 Decanter Centrifuge
The decanter centrifuge is designed to handle of the flow rate of 117,056 GPD containing 3.82%
TS and 25,500 mg/L of TSS in order to meet an average moisture content of 80%. The decanter
centrifuge is specified as the model of Pieralisi Jumbo 3 to treat the flow rate of 60,000 GPD
each at the operation time of 16 hours/day along with adding the chemicals of ferric chloride
and polymer as shown in Table 3.9 and Table 3.10.
Table 3.9 Design Basis of Decanter Centrifuge
Item
Unit
Decanter Centrifuge
Remark
Flow rate
GPD
117,056
Influent TS
%
3.82
Influent TSS
mg/L
25,500
Moisture contents
%
80
Sludge cake
Coagulant
Ferric chloride
38% w/w
Chemicals
Polymer
Polyelectrolyte
0.16% w/w
Operation Time
Hr/day
16
21

Table 3.10 Specification of Decanter Centrifuge
Item
Unit
Decanter Centrifuge
Remark
Flow rate
GPD
60,000
Type
Decanter Centrifuge
Model
PIERALISI JUMBO 3
Power Required
Hp
57
Number of centrifuge
Set
3
2 duty 1 standby
Moisture contents
%
78-82
Operational bottleneck condition in centrifuge without downtime consideration
The current design condition of centrifuge is 2 duty units without a standby unit for 24/7
operation. In the case of regular maintenance, replacement of any parts or repairing the units,
having only two centrifuges installed cannot process the design flow of 681.5 CMPD. The current
design will limit the digestate treatment capacity resulting in potential decrease in digester load
and tipping fees affecting biogas production and energy generation due to process bottleneck at
the centrifuge. In order to cope with the installed centrifuge capacity an additional centrifuge
will be installed and the three units will rotate on a 16/7 schedule. This will allow one unit to be
offline for maintenance without lowering the plant flow rate below design.
3.3.2 Biological Treatment Process
The denitrification and nitrification tanks are designed under the design basis conditions as
shown in Table 3.11. COD and TKN loading rates of 47.0 and 13.0 Ib/1,000 ft3/day respectively,
and a nitrification rate and denitrification rate of 20.0 and 16.0 mg-N/L/hr respectively are
applied in order to estimate the tank volumes for nitrification and denitrification with MLSS of
7,500 mg/L. The design flow rate is 101,182 GPD and internal recycle ratio to remove
nitrate/nitrite between nitrification and pre-denitrification tanks is twelve times the flow rate
(12Q) at the reactor temperature of 95-100 Deg. F. Table 3.12 presents the specification of
biological treatment process including pre-denitrification, nitrification, and post-denitrification.
The pre-denitrification, nitrification, and post-denitrification tanks are designed with the HRTs of
7.4 days, 12.4 days, and 2.0 days respectively, and with the tank volumes of 803,241 gallons,
1,574,386 gallons, and 213,619 gallons, respectively. The tanks are constructed with a glass -
fused -to -steel process with concrete bases. The overall COD and TKN loading rates of the bio-
reactor are also designed to 46.6 lb-COD/1,000 ft3/day and 12.2 lb-N/1,000 ft3/day respectively,
similar with the design basis.
22

Table 3.11 Design Basis of Biological Treatment Process
Item
Unit
Pre-
Denitrification
Tank
Nitrification
Tank
Post -
Denitrification
Tank
Flow rate
GPD
101,182
Temperature
Deg. F
95-100
H RT
Day
7.0
12.0
2.0
SRT
Day
35
COD Loading Rate
Lb/1,000 ft'/day
47.0
TKN Loading Rate
Lb/1,000 ft3/day
13.0
Nitrification Rate
mg-N/L/hr
-
20.0
-
Denitrification Rate
mg-N/L/hr
16.0
-
16.0
Internal Recycle Ratio
Q
12
-
MLSS
mg/L
7,500
M LVSS/M LSS
%
70
Table 3.12 Specification of Denitrification and Nitrification Tanks
Item
Unit
Pre-
Denitrification
Tank
Nitrification
Tank
Post -
Denitrification
Tank
Total Height
ft
27.9
27.9
27.9
Water Depth
ft
25.9
25.9
25.9
Internal Diameter
ft
65.1
91.0
36.1
Tank Volume
Gallon
803,241
1,574,386
213,619
Working Volume
Gallon
746,550
1,436,249
198,306
Number of tank
EA
1
1
1
Total Volume
Gallon
803,241
1,574,386
213,619
Total Working Volume
Gallon
746,550
1,436,249
198,306
H RT
Days
7.4
12.4
2.0
COD Loading Rate
Lb/1,000 ft3/d
46.6
TKN Loading Rate
Lb/1,000 ft3/d
12.2
Structure
-
Glass -fused -to -steel tank with concrete base
23

Undersized air blower and aerator capacities
According to the AUSTEP report dated February 2017, there was no reference to the oxygen
requirement for endogenous respiration filled with 30% of total oxygen requirement in the
biological system. If higher COD and nitrogen from the centrate are expected, then oxygen/air
demand in aeration tank shall be increased for proper operation to meet the water quality
goals. In order to meet this requirement, the capacity of the aerators will need to be increased
in order to transfer oxygen demand and to mix mixed liquor completely. Associated higher
blower capacity will also be required. To meet these requirement, the number and size of
aerators in the Nitrification tank will increase as well as the number and capacity of blowers
supplying air to this tank.
Missing phosphate dosing system
A significant amount of ferric chloride and polyelectrolyte will be added for coagulation and
flocculation in centrifuge to remove solids. Under such scenarios, phosphate utilized as macro
nutrient in a biological system will also be removed by the chemicals resulting in insufficient
phosphate level for a proper biological treatment operation. As a result, the limiting phosphate
level will adversely affect the biological treatment process to remove COD, nitrogen, and TSS by
biological metabolism. A phosphate dosing system will be installed to address this need.
Need of additional instrumentation
For proper optimization and process operation, certain parameters need to be monitored. The
table below summarizes additional instrumentation required to monitor operational condition
and water quality of the proposed wastewater treatment plant. A list of additional
instrumentation for the wastewater treatment plant tanks is shown in Table 3.13.
Table 3.13 Additional Instrumentation
Process
pH
ORP
TSS
MLSS
I nf.
Eff.
I nf.
Eff.
Centrifuge
✓
✓
Equalization Tank
✓
Pre-denitrification tank
✓
✓
Nitrification tank
✓
✓
Post-denitrification tank
✓
✓
DAF
✓
✓
✓
3.3.3 DAF Process
The DAF process to separate solid and liquid is designed to handle the flow rate of 107,300 GPD
containing 7,500 mg/L TSS as shown in Table 3.14. The two DAF systems with circular and
rectangular types are specified as models of ADAF 24 (existing unit) and DAF R6S (new unit),
24

respectively in order to treat the flow rate of 25,700 and 81,600 GPD each at the operation time
of 16 hours a day along with adding the chemicals of ferric chloride and polymer as shown in
Table 3.15.
Table 3.14 Design Basis of DAF Process
Item
Unit
DAF Process
Remark
Flow rate
GPD
107,300
Influent TSS
mg/L
7,500
SS Loading Rate
Ib/ft2/hr
0.82
Coagulant
Ferric chloride
38% w/w
Chemicals
Polymer
Polyelectrolyte
0.16% w/w
Operation Time
Hr/day
16
Table 3.15 Specification of DAF Process
Item
Unit
Circular DAF
Rectangular DAF
Remark
Flow rate
GPD
25,700
81,600
SS Loading Rate
Ib/ft2/hr
0.82
0.82
Type
Circular
Rectangular
Model
ADAF 24
DAF R6S
Power Required
Hp
20
40
Number of DAF
Set
1
1
Dimension
ft
20' Diam.
6(w) x 28(I) x 7.5(d)
Undersized DAF capacity
One (1) DAF system specified is undersized to handle a biological effluent containing 7,500 mg/L
TSS with 415.9 CMPD (76.3 GPM) flow which equates to 130 kgTSS/hr. Usual DAF loading rates
for sludge thickening are between 2 to 5 kgTSS/m2/hr (WEF and ASCE, Design of municipal
wastewater treatment plants, 1998). With the loading rate as a design condition, the required
surface area of the DAF needs to be in the range of 26 to 65 m2 for floating sludge. For this
condition, a DAF diameter in the range of 5.8-9.0 m (19-30 ft) would be required to handle the
solids loading. The current DAF is only 20 ft in diameter and there is a 5 ft diameter section in
the center that is occupied by equipment that can't contribute as loading surface area. Another
25

larger rectangular DAF is recommended to be installed adjacent to the existing DAF to meet the
loading rate requirements.
Overestimated % removal efficiency used in the centrifuge sizing
Typically, % TSS efficiency of centrifuge with coagulation and flocculation would be in the range
of 70 to 90% depending on the influent characteristics and type and dosage of coagulant added.
TSS efficiency of 98.0% for the centrifuge seems to be unusually high. In addition, based on the
initial assessment, the water quality of centrifuge effluent through grab samples appears to be
in the range of 1,000 to 4,000 mg/L TSS. Also, based on the visual inspection of wastewater from
the top of equalization tank, TSS appears to be in the range of 3,000 to 6,000 mg/L range,
although actual samples must be analyzed to confirm these concentrations. Therefore, effluent
COD, nitrogen, and TSS concentrations from centrifuge are likely be higher than the estimated
values if soluble and particulate portions are considered. This higher concentration will result in
higher loading to not only biological system but also DAF system with limited capacity. To
address this, a new, larger DAF will be installed to handle the flow and solids loading.
26

4. Equipment List and Scope of Supply
Table 4.1 presents the equipment list for anaerobic digestion, biogas and electric generation,
and digestate wastewater treatment plant including decanter centrifuge, biological treatment
process, and DAF process as well as sludge cake disposal and odor control. The Table shows the
existing equipment, equipment to be removed, new equipment to be installed, as well as the
resulting total.
Table 4.1 Overall Equipment and Process List
No.
Item
Specifications
Quantity
Existing
Demo
New
Total
Unit
Feedstock Receiving
1
De -packing System
4
4
2
2
EA
2
OFW transfer pump
6
0
0
6
EA
3
Liquid OFW transfer pump
1
0
0
1
EA
4
Acid fermentation tank
2
2
2
2
EA
5
Mechanical Mixer
8
0
0
8
EA
6
Sludge transfer pump
2
0
0
2
EA
7
OFW Grinder
2
0
0
2
EA
8
OFW bypass pump
1
0
0
1
EA
9
Ferric dosing pump
1
0
0
1
EA
10
Sand trap
1
0
0
1
Set
11
Caustic Scrubber
1
0
0
1
EA
12
Biofilter
1
0
0
1
Set
Anaerobic Hot Digestion Tank
13
Fermenter eff. transfer pump
2
0
0
2
EA
27

14
Mechanical mixer 1 (Top)
12
0
0
12
EA
15
Mechanical mixer 2 (Wall)
12
0
0
12
EA
16
Digestate transfer pump
3
0
0
3
EA
17
Sludge circulation pump
3
0
0
3
EA
18
Antifoam dosing pump
3
0
0
3
EA
19
Heat exchanger
3
0
0
3
Set
Anaerobic Cold Digestion Tank
20
Mechanical Mixer
2
0
0
2
EA
21
Digestate transfer pump
2
0
0
2
EA
Biogas and Electric Generation
22
Biogas holding chamber
1
0
0
1
Set
23
Biogas scrubber
4
0
0
4
Set
24
Biogas blower
1
0
0
1
EA
25
Electric generator
3
0
0
3
Set
Decanter Centrifuge
26
Digestate transfer pump
2
0
0
2
EA
27
Decanter centrifuge
2
0
1
3
Set
28
Centrate holding tank
1
0
0
1
EA
28
Centrate transfer pump
1
0
1
2
EA
29
Ferric dosing pump
1
0
0
1
EA
30
Polymer dosing system
1
0
0
1
Set
28

Equalization Tank
31
Mechanical Mixer
2
0
0
2
EA
32
Air blower
1
0
0
1
EA
33
Recirculation pump
1
0
0
1
EA
34
WW transfer pump
1
0
0
1
EA
35
NaOH dosing pump
1
0
0
1
EA
36
Antifoam dosing pump
1
0
0
1
EA
37
Phosphorus dosing pump
0
0
1
1
EA
Pre-Denitrification Tank
38
Mechanical mixer
3
0
0
3
EA
39
WW transfer pump
2
0
0
2
EA
40
Electron donor dosing pump
1
0
0
1
EA
Nitrification Tank
41
Air blower
3
0
2
5
EA
42
Aerator -Mixer
3
0
4
7
EA
43
Internal recycle pump
2
0
0
2
EA
44
WW transfer pump
1
0
0
1
EA
45
NaOH dosing pump
1
0
0
1
EA
46
Antifoam dosing pump
1
0
0
1
EA
Post-Denitrification Tank
47
Mechanical mixer
2
0
0
2
EA
48
Electron donor dosing pump
1
0
0
1
EA
DAF Process
29

49
DAF system
1
0
1
2
Set
50
Sludge transfer pump
2
0
0
2
EA
51
Sludge recycle pump
1
0
0
1
EA
52
Ferric dosing pump
1
0
0
1
EA
53
Polymer dosing system
1
0
0
1
Set
Chemical Storage Tank
54
Sulfuric acid storage tank
1
0
0
1
Set
55
Ferric chloride storage tank
1
0
0
1
Set
56
Ammonium sulfate storage tank
1
0
0
1
Set
57
Sodium hydroxide storage tank
1
0
0
1
Set
58
Antifoam storage tank
1
0
0
1
Set
59
Phosphorus storage tank
0
0
1
1
Set
Sludge and Odor Control
60
Heat dryer
2
0
0
2
Set
61
Biofilter
1
0
0
1
Set
30

5. Electrical Load
The electrical load for the site will be impacted by the upgrades. The motor horse power will be
increased by a net of 635 hp. All motors are 480v 3 phase. The electrical specifications will be
submitted to a local electrical contractor for bid. The selected electrical contractor will complete
the electrical power distribution design and submit for review. Once the design is approved, the
electrical contractor will install the electrical upgrades.
6. Plant and System Control
The facility control system consists of a Siemens input/output interface, a Siemen PLC, and a
computer running Progea control software. The passwords to all components were not made
available by AUSTEP. Many operational issues have been experienced that suggest that the
control system was not fully developed/programmed or commissioned. The Progea software
control system will be replaced but the Siemens input/output interface and PLC will be retained.
The new control system will be programmed and commissioned for both the existing and new
equipment.
31

7. References
City of Charlotte, Charlotte Water, 2017, Permit to Discharge Wastewater Under the Industrial
Pretreatment Program.
Kristi Moriarty, 2013, Feasibility Study of Anaerobic Digestion of Food Waste in St. Bernard, Louisiana.
Water Environment Federation, 2007, Design of Municipal Wastewater Treatment Plant.
32

8. Attachment
33

Attachment 1:
Mass and energy balance spreadsheets

Feedstocks 108,627 GPD
Item
I Conc.
Mass
COD
380,000
343,763
TS
210,000
189,974
TSS
180,000
162,835
T-N
8,000
7,237
NH4-N
T-P
EL�
North Carolina Biogas and Electric Generation Plant
Fermentor Inf. 130,091 GPD
Item
I Conc.
Mass
COD
320,055
346,746
TS
173,697
188,182
TSS
148,221
160,582
T-N
7,535
8,163
NH4-N
1,192
1,292
T-P
259
281
Organic food
I I
Depacking
Acidic Fermentor
I
I
I
Process Water 21,725 GPD
Item
I Conc.
Mass
COD
16,487
1,356
TS
11,322
931
TSS
5,661
466
T-N
5,117
421
NH4-N
4,890
402
T-P
1 51
4
% Removal
COD
0.0%
TS
2.0%
TSS
2.0%
T-N
0.0%
NH4-N
0.0%
T-P
1 0.0%
Fraction 20.0% Recovery 99.8%
% Removal
COD
2.0%
TS
1.0%
TSS
38.0%
T-N
0.0%
NH4-N
-300.0%
T-P
0.0%
Recovery 99.8%
Digester Inf. 129,831 GPD
Item
Conc.
Mass
COD
314,282
339,811
TS
172,304
186,301
TSS
92,081
99,561
T-N
7,550
8,163
NH4-N
4,779
5,167
T-P
1 259
281
Hot Digester Eff. 119,445 GPD
Item
Conc.
Mass
COD
119,564
118,934
TS
74,915
74,520
TSS
50,044
49,780
T-N
5,662
5,632
NH4-N
4,415
4,392
T-P
1 2591
258
Anaerobic
Hot Digester
% Removal
COD
65.0%
TS
60.0%
TSS
50.0%
T-N
31.0%
NH4-N
15.0%
T-P
8.0%
Recovery 92.0%
Digestate 117,056 GPD
Item
Conc.
Mass
COD
48,802
47,574
TS
38,222
37,260
TSS
25,533
24,890
T-N
5,604
5,463
NH4-N
1 4,3251
4,216
T-P
1 2571
250
Anaerobic Cold
Digester
% Removal
COD
60.0%
TS
50.0%
TSS
50.0%
T-N
3.0%
NH4-N
4.0%
T-P
3.0%
Recovery 98.0%
Digestate
Item I
Unit
Q
GPD
Conc.
mg/L
Mass
lb/day
Mass & energy balance and calculation for NCB _Vert, Digestion mass balance (US), 5/30/2018

1. Design factor
Methane production ratio
COD Base
0.28
VS Base
0.43
Temperature
37
Methane concentratio
65
Methane caloric value
Conversion coefficient
Operation time
10
Mechanical efficiency
90
Electrical efficiency
35
Thermal efficiency
43
2. Design condition
Biogas Production and Energy Balance in NC Plant
Biogas production
Applied value
- 0.35
Nm3-CH4/kg CODren
0.35
- 0.50
Nm3-CH4/kg VSrem
0.50
- 50
°C
40.0
- 70
%
70.0
8,560
kcal/Nm3-CH4
8,560
857
kcal/kWh
857
- 15
hr/d
24.0
- 96
%
90.0
- 42
%
38.0
- 47
%
42.0
Item %Rem.
COD 56.0%
Digester influent Digester effluent
Q 491 m3/d Q 443 m'/d
Item Mass(kg/d) Conc.(mg/L) Item Mass(kg/d) Conc.(mg/L)
COD 154,460 314,282 COD 21,624 48,802
VS 80,448 163,689 Vs 10,162 22,933
3. Gas production
1) COD Base
- Methane production
Vmethane = Influent COD load X COD removal efficiency X Methane production ratio(COD base)
= 46,492.4 Nm3-CH4/d
- Biogas production
Vblogas = Methane production / Methane contents
66,417.7 Nm3-Biogas/d
2) VS Base
- Methane production
Vmethane = Influent VS load X VS removal efficiency X Methane production ratio(VS base)
35,143.1 Nm3-CH4/d
- Biogas production
Vbl°gas = Methane production / Methane contents
50,204.4 Nm3-Biogas/d
Biogas Application
1. CHIP
Prr Biogas
Biogas holdersulfide
Hydrogen Siloxane
remover Biogas engine
remover
Item
Calculation ground
Energy production
= Methane production X Caloric value of methane X Mechanical efficiency
270,742,121.5 kcal/d
Electrical power production
= Energy production - Conversion coeeficient X Electrical efficiency
120,049.0 kWh/d
Capacity of electrical generator
= Electrical power production - Operating time
5,002.0 kW
Thermal caloric value
= Energy production X Thermal efficiency
113,711.7 Mcal/d
2. CNG
Return gas Drain gas and water
ComBiogasCooler .. • ressor/ Gas filter/ CNG
• station
50,204 54,221 34,936 34,936 34,936
0.45 9.0 9.0 9.0 250.0
7.0 40.0 7.0 7.0 -
CH4 (%) 70.0 70.0 62.5 97.0 97.0 97.0
Q (Nm3/day)
50,204
Biomethane production = 34,936 Nm3/d Required calori for heating digester 7,372,023 kcal/d
Biomethane supply = 33,752 Nm3/d Required biomethane for heating digester = 1,184 Nm3/d
1,406 Nm3/hr
Mass &energy balance and calculation for NCB _Vert, Energy production, 5/30/2018

Digestate 117,056 GPD
Item
I Conc.
Load
COD
48,802
47,574
TSS
25,533
24,890
NH3-N
4,325
4,216
TKN
5,604
5,463
T-P
1 257
250
Centrifuge Eff. 116,499 GPD
Ferric
Polymer
Di estate
Item
Unit
Flow
GPD
Conc.
mg/L
Load
Ib/d
i
Y
North Carolina Biogas Wastewater Treatment Plant for Digestate
Item
Conc.
Load
COD
17,162
16,651
TSS
5,644
5,476
NH3-N
4,259
4,132
TKN
4,505
4,371
T-P
1 52
50
Bio-reactor Inf. 101,182 GPD
Item
Conc.
Load
COD
16,267
13,708
TSS
5,350
4,508
NH3-N
4,037
3,401
TKN
4,270
3,598
T-P
1 49
41
Bio-reactor Eff. 107,258 GPD
Item
I Conc.
Load
SCOD
909
812
TSS
7,472
6,674
NH3-N
14
12
STKN
64
57
S-P
6
5
DAF Eff. 94,448 GPD
Item
Conc.
Load
COD
624.0
487
TSS
360.8
267
NH3-N
13.5
11
58.9
46
a
3.1
2
KH2PO4 3.8 GPH (w/ 80% Sol) Sludge Return
110 GPH NaOH 83.5 GPH (y/ 45% Sol) - Ferric (38%) 1 27 GPH
584 GPH ;•••• Antifoan 11.7 GPH (�/ 6.5% Sol) Nitrate/nitrite Recycle I :..... Polyer (0.16%) 1 134 GPH
� I �
Centrifuge
% Removal
COD
65.0%
TSS
78.0%
NH3-N
2.0%
TKNLM
T-P
WC 80.0%
Dewatered Sludge Cake
Q 11,650 GPD
SS 19,414 Ib/d
To Dryer
j Equlailizatio
j Tank
I
Discharge Water Quality (mg/L)
Item
Discharge
Permit
COD
624.0
500*
TSS
360.8
250*
NH3-N
13.5
16.4*
CBOD
200.0
2,100
T-P
3.1
22
* Surchargeable level
i
;:,`{:•,•�"`ry�;,• � Discharge
Pre- Post -
Nitrification Denitrification I DAF
Tank Tank Tank I
I
I Condensate from Chiller
Electron 22.0 GPH
• -
Q 6,409 GPD
donor �w/ 670kgCOD/m3
SS 0.0 Ib/d
(e.g., MicroC1100
(by AUSTEP)
% Removal
COD
94.1 %
TSS
-
NH3-N
99.6%
TKN
98.4%
LT__p
87.9%
Electro 1.4 GPH 1
n I
donor�w/ 670kgCOD/m3 j
(e.g., MicroC1100 1
I
I
I
I
% Removal
COD
40.0%
TSS
96.0%
NH3-N
16.0%
TKN
20.0%
T-P
50.0%
To Depacking MLSS 7,500 mg/L
1 �To Cold Digester
System
I
Water Recycle 21,725 GPD Sludge Return 6,576 GPD DAF Sludge 15,386 GPD Wasted Sludge 8,810 GPD
Item
I Conc.
Load
COD
16,267
2,943
TSS
5,350
968
NH3-N
4,037
730
TKN
4,270
773
T-P
49
9
Item
Conc.
Load
SCOD
207
13
TSS
50,000
2,738
NH3-N
14
1
STKN
26
1
S-P
1
0
Item
I Conc.
Load
COD
57,791
7,405
TSS
50,000
6,407
NH3-N
14
2
TKN
2,500
320
T-P
1 500
64
WC 95.0%
Item
I Conc.
Load
COD
57,791
4,240
TSS
50,000
3,669
NH3-N
14
1
TKN
2,500
183
T-P
500
37
Mass & energy balance and calculation for NCB _Vert, WWTP Mass balance SS (US), 5/30/2018

Attachment 2:
Calculation sheet for cligestate wastewater treatment plant

Bio-Reactor Calculation Sheet
Parameter I Descriptions
Design basis
1. Design flow
1.1 Influent flow
1.2 Effluent flow
2. Water Quality
383.0 rrVd
406.0 m/d
Parameter
Influent
Effluent
Conc. (mg/L)
Loading (kg/d)
Conc. (mg/L)
Loading (kg/d)
COD
16,267.3
6,230.7
908.7
369.0
TSS
5,349.6
2,049.0
-
-
NH3-N
4,036.6
1,546.1
13.9
5.7
TKN
4,270.0
1,635.5
64.3
26.1
NO3-N
0.0
0.0
148.9
60.4
T-P
49.1
18.8
5.6
2.3
Range
Applied
F/M
0.03-0.20
0.07
kgBOD/kgMLSS/d
MLSS
6,000-8,000
7500
mg/L
MLVSS
4,000-6,000
5250
mg/L
COD loading rate
0.5-2.0
0.3
kgCOD/m3/day
Nitrification rate
5.0-50.0
15.3
mgN/L/hr
Denitrification rate
5.0-30.0
19.3
mgN/L/hr
- SRT
10.0-50.0
35
Days
Safety dactor
1.5-2.0
1.2
DO in nitrification tank effluent
0-5.0
0
mg/L
Reactor temperature
40 °C @ Reactor
Calculations
1. Quantity to be removed
1.1 COD revomal
5,861.7 kgCOD/day
1) BOD removed
3,224.0 kgBOD/day
2) N consumed for cell
161.2 kgN/day
3) P consumed for cell
32.2 kgP/day
Mass & energy balance and calculation for NCB _Vert, Bioreactor Calculation, 5/30/2018 8

1.2 TKN removal 1,609.4 kgN/day
1) N load for Nitrification 1,448.2 kgN/day
2) N load for Denitrification 1,387.7 kgN/day
- Denitrification Efficiency (%) 95.8 %
?. Tank Volumes
2.1 Total tank volume estimated
23,447
m3
6,193,985
Gallons
2.2 Aeration tank volume
4,733
m3
1,250,223
Gallons
2.3 Denitrification tank volume
3,588
m3
947,776
Gallons
1) Pre denitrification tank
2,838
m3
749,773
Gallons
2) Post denitrification tank
750
m3
198,003 Gallons
2.4 Tank volume required
1) Aeration (nitrification) tank 4,733 m3 1,250,223 Gal
2) Denitrification tank 3,588 m3 947,776 Gal
3) Total tank volume required 8,320 m3 2,197,999 Gal
3. Tank Dimesions
3.1 Aeration tank
Dimesion Dia 27.7m x H 8.5m (He7.9m)
Number 1 EA
Net volume 4,758 m3 1,256,921 Gal
Detension time 12.4 Days
3.2 Pre-Denitrification tank
Dimesion Dia 21.4m x H 8.5m (He7.9m)
Number 1 EA
Net volume 2,840 m3 750,243 Gal
Detension time 7.4 Days
3.3 Post-Denitrification tank
Mass & energy balance and calculation for NCB _Vert, Bioreactor Calculation, 5/30/2018 8

Dimesion Dia 11.0m x H 8.5m (He7.9m)
Number 1 EA
Net volume 750 m3 198,128 Gal
Detension time 2.0 Days
4. Operation basis designed
4.1 Total HRT
4.2 COD Loading Rate
4.3 TKN Loading Rate
4.4 F/M ratio
5. Sludge production wasted in DAF
- DAF effluent Q
- Effluent TSS in DAF
- SS conc. returning from DAF
5.1 Wasted sludge transfer flow
5.2 Sludge transfer pump
to cold digester
6. Sludge return to Pre-denitirification
6.1 Sludge return ratio (%)
6.2 Sludge return flow
6.3 Sludge transfer pump
to Pre-denit. tank
21.8
Days
0.75
kgCOD/m3/day
46.6
Ib/1000ft3/day
0.20
kgN/m3/day
12.23
Ib/1000ft3/day
0.142
IbCOD/IbMv/day
0.071
IbBOD/ibMv/day
357.5
m3/day
339.3
mg/L
50,000
mg/L
33.4
m3/day
8,810
Gallon/day
720
min/day
Type Progressing cavity pump
Capacity 12.2 GPM
Number 2 EA (Including 1 Standby)
17.6 %
67.6 m3/day
17,856 Gallon/day
1,080 min/day
Type Progressing cavity pump
Capacity 16.5 GPM
Number 2 EA (Including 1 Standby)
Mass & energy balance and calculation for NCB _Vert, Bioreactor Calculation, 5/30/2018 8

7. Internal nitrite/nitrate recycle
- Nitrogen to be denitrified
1,388
kgN/day
- Effluent nitrite/nitrate
60.4
kgN/day
- Internal recycle ratio
21.8
Q
- Internal recycle rate
8,343
m3/day
2,203,858
Gallon/day
- Operation time
1,440
min/d
Type
Centrifugal pump
Capacity
1,530 GPM
Number
2 EA (Including 1 Standby)
3. Air blower capacity
8.1 AOR
(Actual Oxygen Requirement)
Calculation
1) 02 for BOD removal
865.9
kg02/day
2) 02 for respiration
2,498.0
kg02/day
3) 02 for nitrification
6,618.2
kg02/day
4) 02 remained in effluent
-
kg02/day
5) AOR calculated
9,982
kg02/day
8.2 SOR
(Standard Oxygen Requirement)
Calculation
a :
Correct coefficient for oxygen transfer
0.83
R :
Correct coefficient for oxygen concentration satura
0.95
y :
Correct coefficient of Cs depending on tank height
1.39
y = 1 + (H/2)/10.24, H : Aeration water depth (m)
T :
Temperature in the tank
40 °C
Cs
:Oxygen saturation concentration at T°C
6.41 mg/L
Csw : Oxygen saturation concentration at 20oC
9.08 mg/L
Ca
: DO concentration in the aeration tank
2.0 mg/L
P :
Atmosphere pressure
760 mmHg
SOR calculated 1 14,612.2 kg02/day
8.3 Air blowering rate (Gs)
EA : Oxygen transfer rate 13 % (for Aerator)
Mass & energy balance and calculation for NCB _Vert, Bioreactor Calculation, 5/30/2018 8

p : Density of air 1.2923 kgAir/Nmair
Qw : Portion of oxygen in air 0.2315 kg02/kgAir
t : Aeration time 24.0 hr/d
a : Safety 20 %
Gs calculated
336.0
Nm3-Air/min
11,860.8
SCFM
8.4 Discharge pressure required
1) Pressure for water level
9.5
psig
2) Pressure drops
- In pipe
1.0
psi
- In aerator
-
psi
3) Safety for pressure drop
1.0
psi
4) Total pressure required
11.4
psi
8.5 Air Blower
Type
TBD
Capacity
3,954 SUM
Number
4 EA (Including 1 Standby)
t. Aerator
9.1 Oxygen transfer rate
202.9 kg02/hr/unit
446.5 lb02/hr/unit
9.2 Mixing Capacity
1,586 m3/unit
418,974 Gallon/unit
Type
Submersible aerator
Oygen trasnsfer
446 lb02/hr/unit
Number
3 EA
10. Electron donor feeding system
10.1 Methanol requirement
- Nitrite/nitrate requiring McOH
436.1
kgN/day
% McOH
99
%
Specific gravity of McOH
0.75
Nitrite requiring McOH
130.8
kg-Nitrite-N/day
Nitrate requiring McOH
305.3
kg-Nitrate-N/day
Mass & energy balance and calculation for NCB _Vert, Bioreactor Calculation, 5/30/2018 8

DO in denitrification tank - kg02/day
Safety factor 1.2
McOH requirement 948.3 kg-MeOH/day
10.2 COD requirement
- COD equivalent of McOH 1.5 kgCOD/kgMeOH
- COD requirement 1,422 kgCOD/day
10.3 Electron donor feeding rate
1) McOH feeding rate 1,277 L-MeOH/day
14.1 Gallon-McOH/hr
2) MicroC feeding rate
- COD equivalent of MicroC1100 670 kgCOD/m3 MicroC1100
- MicroC feeding rate 2,123 L-MicroC1100/day
23.4 Gallon-MicroC1100/hr
10.4 Electron donor feeding pump
- MicroC feeding for Pre -Den. 22.0 Gallon/hr
Type Diaphragm
Capacity 22.0 GPH
Number 2 EA (Including 1 Standby)
- MicroC feeding for Post -Den. 1.4 Gallon/hr
Type Diaphragm
Capacity 1.4 GPH
Number 2 EA (Including 1 Standby)
10.5 Electron donor holding tank
- Holding duration 15 days
Type FRP or HDPE
Capacity 8,500 Gallon
Number 1 EA
11. Alkalinity feeding system
- Influent alkalinity (Assumption) 10,000 mg/L as CaCO3
3,830 kg-Alk./day
Mass & energy balance and calculation for NCB _Vert, Bioreactor Calculation, 5/30/2018 8

- Effluent alkalinity required
- Alkalinity consumption by ferric
11.1 Alkalinity requirement
11.2 Alkalinity to be added
11.3 NaOH requirement
- NaOH equivalance with Alkalinty
% NaOH
NaOH requirement (45%)
11.4 NaOH feeding rate
- Specific gravity of NaOH
Safety factor
NaOH feeding rate (45%)
11.5 NaOH feeding pump
- Operating duration
11.6 NaOH holding tank
- Holding duration
12. KH2PO4 feeding system
P feeding ratio based on COD
P fraction in KH2PO4
KH2PO4 Solubility
A 7.1 mg-Alk./mgNH3-N
p 3.6 mg-Alk./mgNOx-N
500 mg/L as CaCO3
203 kg-Alk./day
1.34 kg-Alk./kg-Fe
3,563 kg-Alk./day consumped
8,849 kg-Alk./day
5,222 kg-Alk./day
1.25 kg-Alk./kg-NaOH
45 %
9,283 kg-NaOH/day
1.468
1.2
7.6 m3-NaOH/day
2,005 Gallon/day
18 hrs/day (Depending on running centrifuge)
Type Diaphragm
Capacity 1.9 GPM
Number 2 EA (Including 1 Standby)
15 days
Type FRP or HDPE
Capacity 30,100 Gallon
Number 1 EA
1.0 %
23 %
226 kg/m3
Mass & energy balance and calculation for NCB _Vert, Bioreactor Calculation, 5/30/2018 8

Mass & energy balance and calculation for NCB _Vert, Bioreactor Calculation, 5/30/2018

Appendix B
Selected Facility Design Drawings
hart hickman
SMAKtER ENVIRONMENTAL SOLUTIONS

e6y�LMONTRO S E
E N V I R O N M E N T A L
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EXTENSION
SEE S-102 TO
S-105 FOR DETAILS
o 716'2»
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BOILER
I
NEW HIGH
SPEED TURBO
BLOWERS
-0,2723' NN- N� 2
/-ik 722
721
KEY MAP
SCALE: 1 "=20'
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MONTROSE ENVIRONMENTAL GROUP
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IRVINE, CA 92614
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rot detail,
I N V: 712.01 I NV: 71 i1.79
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55' Post Construction Bu er
LEGEND
1 — RECEPTION, STORAGE AND LOADING SYSTEM BUILDING
to Ir 2 — ODORS TREATMENT SYSTEM
3 — BIOPULPER TANKS
13 4 — ANAEROBIC DIGESTERS
5 — COLD DIGESTER
6 — GASHOLDER
7 — EMERGENCY TORCHES
8 — BIOGAS WASHING
24, 9 — COGENERATORS & TRANSFOMERS AREA
10 — (deleted)
11 — DRYERS BUILDING
12 — EQUALISATION TANK
13 — PRE DENITRIFICATION TANK
14 — NITRIFICATION TANK
15 — POST DENITRIFICATION TANK
16 — DAF
17 — CHEMICALS SHELTER
18 — ELECTRICAL LV SHELTER
19 — UTILITIES BUILDING
20 — LIQUID OFW STORAGE
21 — CHEMICALS STORAGE TANKS
22 — THERMOSTRIPPING SYSTEM
23 — TANK FOR RECIRCULATING
24 — SAND TRAP
25 — ELECTRICAL MV SHELTER
26 — MECHANICAL SHELTER
® ASPHALT ROAD (4350 mq)
EARTH ROAD (4630 mq)
PROCESS FLOWS IDENTIFICATION LEGEND
BIOGAS LINE
ORGANIC FOOD WASTE (OFW) LINE
SEPARATE PLASTIC AND SAND LINE
ORGANIC MIX TO DIGESTERS LINE
DIGESTATE LINE
DIGESTATE TO SEPARATION LINE
SOLID FRACTION OF DIGESTATE LINE
LIQUID TO BE TREATED LINE
LIQUIDDURING TREATMENT LINE
RECIRCULATED LIQUID LINE
EFFLUENT TO DISCHARGE LINE
ACTIVATED SLUDGE LINE
02/09/15
5
1 GENERAL UPDATE
GIV
27/01/15
4
ISSUED FOR WW PERMIT
GIV
17/09/14
3
ISSUED FOR WASTE PERMIT
GIV
07/08/14
2
GENERAL REVISION
GIV
04/08/14
1
ISSUED FOR ZONING PERMIT
GIV
10/07/14
0
ISSUED FOR ZONING PERMIT
GIV
MM/DATn
Rlxrs/couu[1m
AUSTEP .a,
7.1
F6,
NC Project — 600 JOHNSON ROAD, CHARLOTTE, NO
Biogas digestion plant and waste water treatment plant
PROCESS FLOWS IDENTIFICATION
5
.
AO
scLUO PRDAP
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LEGEND:
1 — RECEPTION, STORAGE AND LOADING SYSTEM BUILDING
2 — ODORS TREATMENT SYSTEM
A
A
3 — BIOPULPER TANKS
4 — ANAEROBIC DIGESTERS
5 — COLD DIGESTER
1
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14 — NITRIFICATION TANK
15 — POST DENITRIFICATION TANK
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INV: 712.81
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�2/09/15
3
GENERAL UPDATE
GIV
18/04/15
2
ISSUED FOR WASTE PERMIT
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7/09/14
1
ISSUED FOR WASTE PERMIT
GIV
5/09/14
0
ISSUED FOR WASTE PERMIT
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AUSTEP
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NO Project — 600 JOHNSON ROAD, CHARLOTTE, NO
Biogas digestion plant aad waste water treatment plant
LEACHATE AND CONDENSATE COLLECTING NETS
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3 - BIOPULPER TANKS
5 - COLD ANAEROBIC DIGGESTERESTERS
n4'6" 6 - GASHOLDER
1 / 7 - EMERGENCY TORCHES
q 1 8 - BIOGAS WASHING
24, 9 - COGENERATORS & TRANSFOMERS AREA
:3 I �� 10 - (deleted)
j d 11 - DRYERS BUILDING
12 - EQUALISATION TANK
13 - PRE DENITRIFICATION TANK
14 -NITRIFICATION TANK
15 - POST DENITRIFICATION TANK
r' \ i► 72<3 \ \ / 16 - DAF
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20 -LIQUID OFW STORAGE
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8' / 22 - THERMOSTRIPPING SYSTEM
23 - TANK FOR RECIRCULATING
24 - SAND TRAP
u 25 - ELECTRICAL MV SHELTER
26 - MECHANICAL SHELTER
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AUSTEP
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\ I I NO Project — 600 JOHNSON ROAD, CHARLOTTE, NO 7
Biogas digestion plant and waste water treatment plant olu.
Ul I GENERAL LAYOUT ADD
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McGinnis Coles PLLC
N.C. ONE CALL: UTILITY LOCATOR SERVICE
Dennis F. Gaines
CRmnunk F,-
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1701-1 Burke Road
3 DAYS BEFORE DIGGING CALL
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D.B. 17572, PG. 218
PIN: 085-082-OS
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Shelby, North Carolina 28152
TOLL FREE 1-800-632-4949
WATER LINE LOCATION
PROP. INV: 714.50 \
TOP CIF0A/ 3*WAEL
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A ONE CALL SYSTEM FOR COMMUNITY AND JOB SAFETY.
CONTRACTOR SHALL VERIFY DEPTH
PRIOR TO EXCAVATION
PROP. DOUBLE
ELEV. = 720.50
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FROM FIELD SURVEY INFORMATION AND EXISTING DRAWINGS.
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THE SURVEYOR MAKES NO GUARANTEE THAT THE UNDERGROUND
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\��\\ _ ✓�\I \ \ I I ILP / I > \\ o / / \ J 1 1 1 I III I Project Manager: Jerry W. McGinnis, AIA
BUILDING LEGEND ��A A '�r \ w-� j v 1 Project Architect: Jerry W. McGinnis, AIA
1 - RECEPTION, STORAGE AND LOADING \ \\ \\ \\ \ x ^\ II II I II T .} /\' ` \ ;J (/-��� \\ l J \ \\ 1 11
SYSTEM BUILDING \\ I \ Q m' '' 1 \\ '�/� \ N I ccheckeddrawn Yb MSG
JWM LMC
\ 1 \ 1 1\ ro / \I 1 C a 7 -3 \ w 1 4" PERFORATED PVC F11PE Y
2 - ODORS TREATMENT SYSTEM \ �\ \ I \ �; " 1 \ \ o `'+- / I L 1 1\ 11 \ 1 APPED IN FILTER FAABRI
3 - BIOPULPER TANKS ,\ 1 o \ w \ \ 1 �/ I \ ••'\ \ 1 1 \ \ ND 8" WASHED STO�JE
4-1 - ANAEROBIC DIGESTER 1 �,� \ \\ 0 1 \ \ I \ I 11 \ \j1 \ 1 1 WATER B r \ \ \ 11
N 3 \ i 1 1 AI I POSS-C TRUCTI N , 1 V 1
4-2 - ANAEROBIC DIGESTER /#2 \ \ � \\ N \ \ 1 1 � P
4-3 - ANAEROBIC DIGESTER #3 \ \ \ I \� - 1 \ I \ I p • III �� 20' ALLES ASEME T \ 1 \ z p' I
�\ \� _N I I, ! \ 11111 1 \\ T\ This drawing and the design shown
5 -COLD DIGESTER \ \ I \ \ �• \ • I 0
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6 - GASHOLDER re the property J.W. McGinnis,
7 -EMERGENCY TORCHES \ \ \ \ I \ \ / � kr, II � j1 I \ I \ m 1 a�.d Architect. The reproduction or use
8 - BIOGAS WASHING \ \ g >� II. 1 a \ I \ I of this property without the written
9 - COGENERATORS & TRANSFOMERS AREA/�--vtr
I 1 I 1 / \ i 1 c'L o consent of the Architect is prohibited
10- NOT USED q\'• \ 9 / I v >� _ Tao - - \ IIII IIPd 1 1 Q / OI ® \ I I I I��' ❑ I and any infringement of the ownership
11- DRYERS BUILDING \ 1\ \ �\ \ / / / -- - •III 1 / I I I a N R°
12- EQUALISATION TANK subject
rights will be to legal action.
�+\ 1 / 7/b I) // 1 I °' / I / I I m "' g g
13- PRE DENITRIFICATION TANK ,\ \ II zB g / /'; / %116 II // 1 v / / I All copies of this drawing must be
14- NITRIFICATION TANK \ \ / , L IIIIII / ©IIII returned to the Architect at the
15- POST DENRRIFlCATION TANK \ ZB N, • J �,/ III _ I I r- V e @�,3{� completion of the contract.
16- DAF \ \ I \� N I \'--------- U2 //jl jl \ (L® 4C •� IIIII
17- CHEMICALS BUILDING Q + \III/'\1 �\ °0 •\ _ 02��/%%%r
18- ELECTRICAL BUILDING -� Z \ \' \ \�
19- REMOVED o- N Z 0 1F `� \\ \ 715
7,0N% UZ �� - E P ' %/ i/ /7fh
(Not included in scope of work) (P '\ I \`t \ \\\\\IUZ - -_- LPii ,'-\\ B O I 6 1 Q
20- LIQUID OFW STORAGE a II h
21- CHEMICALS STORAGE TANKS "' Z + I its
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22- TANK FOR
TRRECIR SYSTEM vl .,710 ra
23- TANK FOR RECIRCULATING O 11 1 _ \ / _
24- BLOWERS
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FIELD REVISION
12/31/15
FIELD REVISION
02/01/16
3�
FIELD REVISION
04/IH/16
no.
description
-
Revisions
sw M/Pos coNsrRucr ou eurTER ( Wjid I I `d�/ , / 111 t• \ P ST-C NSTRUCTION I\
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OUR `llr I 301 McCullough Drive
PROP, ROA-CEMwNE Charlotte, North Carolina 28262
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GRADING PLAN J°79 Y
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GENERAL NOTES
D.B. 27948, PG. 822 O 20 40 80
8, PG.
SCALE : 1 = 40 PIN: 1-02AIB
GRADING AND DRAINAGE NOTES:
3. IN ROLLING AND HILLY TERRAINS, SWEEPING OF THE STONE BASE AND/OR
Z85ED:
ZONED.' l-2
1. CATCH BASINS, MANHOLES, FRAMES AND GRATES SHALL MEET THE REQUIREMENTS
APPLICATION OF A TACK COAT MAY BE REQUIRED NEAR INTERSECTIONS. THESE
OF THE LATEST EDITIONS OF THE NORTH CAROLINA DEPARTMENT OF TRANSPORTATION
REQUIREMENTS WILL BE ESTABLISHED BY THE INSPECTOR AND BASED ON FIELD
10. PE SEALED SHOP DRAWINGS FOR RETAINING WALL MUST BE SUBMITTED TO CITY
STANDARD DETAILS FOR CONSTRUCTION.
CONDITIONS.
ENGINEER PRIOR TO CONSTRUCTION.
2. INFORMATION CONCERNING UNDERGROUND UTILITIES WAS OBTAINED FROM AVAILABLE
4. APPROVAL OF THI5 PLAN 15 NOT AN AUTHORIZATION TO GRADE ADJACENT
I I . THE DEVELOPER SHALL MAINTAIN EACH STREAM, CREEK, OR BACKWASH CHANNEL IN AN UNOBSTRUCTED STATE AND SHALL REMOVE FROM
G„
RECORDS AND FIELD LOCATION WHEN POSSIBLE, BUT THE CONTRACTOR MUST DETERMINE
THE EXACT LOCATIONS AND ELEVATION OF ALL EXISTING UTILITIES BY DIGGING TEST PITS
PROPERTIES. WHEN FIELD CONDITIONS WARRANT OFF -SITE GRADING, PERMISSION
MUST BE OBTAINED FROM THE AFFECTED PROPERTY OWNERS.
THE CHANNEL AND BANKS OF THE STREAM ALL DEBRIS, LOGS, TIMBER, JUNK AND OTHER ACCUMULATIONS.
12. ANY CONSTRUCTION OR USE WITHIN THE FUTURE CONDITIONS FLOOD FRINGE LINE 15 SUBJECT TO THE RESTRICTIONS IMP05ED BY THE
Iz^ ANCHORS HNORi�s- CHANNEL
A RC
BY HAND AT ALL CROSSINGS WELL IN ADVANCE OF TRENCHING. IF CLEARANCES ARE
5. IN ORDER TO ENSURE PROPER DRAINAGE, KEEP A MINIMUM OF 0.5% SLOPE ON
FLOODWAY REGULATIONS OF THE CITY OF CHARLOTTE AND MECKLENBURG COUNTY.
LESS THAN SPECIFIED ON PLANS OR TWELVE INCHES (12"), WHICHEVER 15 LESS, CONTACT THE CURB. 13. NON-STANDARD ITEMS (If: PAVERS, IRRIGATION SYSTEMS, ETC.) IN THE RIGHT-OF-WAY REQUIRE A RIGHT-OF-WAY ENCROACHMENT \ _
THE DESIGN ENGINEER PRIOR TO PROCEEDING WITH CONSTRUCTION. 6. SUBSURFACE DRAINAGE FACILITIES MAY BE REQUIRED IN THE STREET RIGHT AGREEMENT WITH THE (CHARLOTTE DEPARTMENT OF TRANSPORTATION/ NORTH CAROLINA DEPARTMENT OF TRANSPORTATION) BEFORE
3. THE CONTRACTOR I5 RESPONSIBLE FOR THE DESIGN AND IMPLEMENTATION OF ALL OF WAY IF DEEMED NECESSARY BY THE INSPECTOR. INSTALLATION. % �j\ j GRADING PLAN
SHEETING, SHORING, BRACING AND SPECIAL EXCAVATION MEASURES REQUIRED TO MEET 7. CURB AND GUTTER SHOWN ON PLANS ALONG JOHNSON ROAD MAY BE 14. CERTIFICATION AND STREET CUT PERMITS ARE REQUIRED FOR UTILITY CUTS ON CITY STREETS. ALLOW 7 DAYS PROCESSING FOR PERMIT. FOR ,\ /\\//\\/ //\ 1 \//\\//\\ \ \
OSHA, FEDERAL, STATE AND LOCAL REGULATIONS PURSUANT TO THE INSTALLATION OF ADJUSTED BASED UPON FIELD STAKING BY CITY ENGINEERING. ASSOCIATED STORM INFORMATION CONTACT CHARLOTTE DEPARTMENT OF TRANSPORTATION (704-336-4025) OR VISIT
ALL WORK INDICATED ON THESE DRAWINGS. THE DESIGN ENGINEER ACCEPTS NO DRAINAGEMAY AL50 REQUIRE MODIFICATION BASED UPON FIELD CONDITIONS. http://www.charmeck.orq/Departments?Transportation/StreetMamtenance,Mome.htm\\//\\//\ h
RESPONSIBILITY FOR THE DESIGNS TO INSTALL SAID ITEMS. 8. THE PURPOSE OF THE STORM DRAINAGE EASEMENT (SIDE) 15 TO PROVIDE STORM CONTROLS ADMINISTRATIVE MANUAL, ALL REQUIRED NATURAL AREAS AND/OR POST CONSTRUCTION CONTROLS EASEMENTS (PCEE's) MUST BE \ \/\\/\\/\\i�\ \ \\/\\/\/\\/\\/\ \\//\ \\��\\�` sheet title
4. WHERE PRECAST DRAINAGE STRUCTURES HAVE BEEN SPECIFIED ON THE PLANS, THE WATER CONVEYANCE. BUILDINGS ARE NOT PERMITTED IN THE EASEMENT AREA. ANY RECORDED PRIOR TO THE ISSUANCE OF THE CERTIFICATE OF OCCUPANCY. //�//` �� //� //\//\//\//\//\// �/` NORTH ANRRICAN GREEN C125
NOTES:\\/-
6.. PLANS CLEARLY INDICATE THAT NO FILL MATERIAL IS TO BE BROUGHT INTO THE BUFFER AND THAT NO STRUCTURES ARE ALLOWED WITHIN i N(
OWNER AND THE ENGINEER ASSUME NO RESPONSIBILITY FOR THESE STRUCTURES, AS FIELD OTHER OBJECTS WHICH IMPEDE STORM WATER FLOW OR SYSTEM MAINTENANCE ARE eoeorvur MATRlx lore EDUAU
CONDITIONS OFTEN DICTATE MINOR ELEVATION ADJUSTMENTS. THE CONTRACTOR ASSUMES ALSO PROHIBITED. ANY OF THE BUFFER AREA5 (EXCEPT NON-COMMERCIAL OUT BUILDINGS NOT EXCEEDING 150 SQUARE FEET). 1.sTAlu No AM ICAN GREEN C125 COCONUT
ALL RESPONSIBILITY AND EXPENSE FOR MODIFYING THE PRECAST STRUCTURES TO 9. HIGH-DEN51TY POLYETHYLENE (HDPE) STORM DRAINAGE PIPE INSTALLED WITHIN 17. GRADING AND OTHER LAND DISTURBING ACTIVITIES ARE ALLOWED ONLY IN THE UPLAND ZONE; HOWEVER, THESE ACTIVITIES MUST BE MATRIX lore ECLAu eR SLOPE VADTH DEPTH TYPE 1406-1
ACCOMMODATE FIELD REVISIONS AND APPROVAL FROM CITY OF CHARLOTTE. EXISTING OR PROPOSED PUBLIC STREET RIGHT-OF-WAY MUST BE APPROVED BY PERFORMED IN SUCH A MANNER AS TO PREVENT DAMAGE TO THE ROOTS OF REMAINING TREES. GRASS OR OTHER SUITABLE GROUND COVER 25EcuRE LORCNUDINAL ANCHORTRENCH AT 12• INTERVALA. 3 : I 5 MIN. 1, FLAT BOTTOM project no. �y
5. THE CONTRACTOR SHALL INCLUDE IN THE CONTRACT PRICE ANY DEWATERING THE CITY'S INSPECTOR PRIOR TO ANY BACKFILL BEING PLACED. BACKFILL MATERIAL CAN BE APPLIED TO THE UPLAND ZONE. OACRF1u ANC coMFAa-IL P 1 -3
NECESSARY TO CONSTRUCT THE PROJECT AS SHOWN ON THE PLANS. MUST BE APPROVED BY THE CITY INSPECTOR PRIOR TO PLACEMENT OF THE 18. THE OUTSIDE BOUNDARY OF THE BUFFER MUST BE CLEARLY MARKED WITH ORAGE FABRIC FENCING PRIOR TO ANY LAND DISTURBING FABRIC LINED DITCH
NOTES MATERIAL WITHIN THE PUBLIC STREET RJGHT-OF-WAY. ACTIVITE5 (GRADING, TREE CUTTING OR STORING, ETC.) AT THE SITE AND THI5 FENCING MUST BE CALLED OUT ON PLAN5. A
19. THE OUTSIDE BOUNDARY OF THE STREAM BUFFER MUST BE PERMANENTLY MARKED WITH AN IRON PIN OR OTHER ACCEPTABLE PROPERTY scA�=Nrs 03/09/15
I. COORDINATE ALL CURB AND STREET GRADES IN INTERSECTION WITH INSPECTOR. CORNER MARKER AT STREET CROSSINGS AND THI5 MARKER MUST BE CALLED OUT ON THE PLANS.
2. 51GIlT TRIANGLES SHOWN ARE THE MINIMUM REQUIRED. date sheet no. 3 Of 18

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PRESSURE PRINCIPLE BACKFLOW I
PREVENTION ASSEMBLY INSTALLED ABOVE- \ a \\\ `'' �\
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CMUD REQUIREMENTS. ENCLOSURE TO INCLUD[ \\ \I n \ \ I I / / ,_ \ l� I I I, t I
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REQUIREMENTS. SEE DETAIL #A ON SHEET CG. I \\\ \�I \\ nl �I I I I I I \� EXIST. 4" SEWER \ \ �� \ �• J \ \ N \ 1 I I; I
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CAU TI ON 1 \ I I , �_ - , T R - _ - _ ,
N.C. ONE CALL: UTILITY LOCATOR SERVICE
3 DAYS BEFORE DIGGING CALL
TOLL FREE 1-800-632-4949
A ONE CALL SYSTEM FOR COMMUNITY AND JOB SAFETY.
�\ \\\\ \\\ EDUCED PRESSURE PNSTAIP ED A OV O iFEK
\\\ \ 2 R
2 PREVENTION ASSEMBLY
ENCLOSURE TO I E
\\\ GROUND WITHIN INS SATED ENGL05UREP
\\\ \ \ CMUD REQUIREFOR D15( #p WATER
\\ \ DRAIN EME T5. SEE DETAIL #A ON SKEETREQUIRDUCED FLOW
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\\\ \\\
\\\ \\\ \ \ PREVENTI WITHIN NSDU� TED EN � UR TO INCLUDE D
\\\ \\\ \ GROUND ENCLO
REQUIREMENTS• #B ON SHEET CG•
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\\ \NEW 2 00I DRAIN P SEE DETA
\\\ COppERR C40 LF REQUIREMENT5. 5' Setback
\\\ \ WP 3"x2" REDUCER NT
FIRE
3" C-900
G" C-900 PVC FIRE
PUSH -ON JOINT PVC
WATER SERVICE (240 LF)
HYDRANT
DOMESTIC WATER
ASSEMBLY
SERVICE (G53 LF)
G"
G" PLUG
GATE VALVE
r
450.17'
14"E
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CAUTION
c1,l I
THE UNDERGROUND UTILITIES SHOWN HAVE BEEN LOCATED �-
8
t 16 7 I 7 1
FROM FIELD SURVEY INFORMATION AND EXISTING DRAWINGS.
THE SURVEYOR MAKES NO GUARANTEE THAT THE UNDERGROUND
UTILITIES SHOWN COMPRISE ALL SUCH UTILITIES IN THE AREA, I I I 'I I I/ // /• / //<v N // \ \ \ II III) CI I I II
EITHER IN SERVICE OR ABANDONED. THE SURVEYOR FURTHER DOES I
I III I / / o I I JI' I I I J' '//H� I
NOT WARRANT THAT THE UNDERGROUND UTILITIES SHOWN ARE IN \ I
THE EXACT LOCATION INDICATED, ALTHOUGH HE DOES CERTIFY THAT 25 72 lI I I Q
AVAILABLE. THE SURVEYOR HAS NOT PHYSICALLY LOCATED THE ' ,I/ c� I p � X� �I�ti' 1 / �j q //. /// ry �' �� �- � / \ I I I I I � E I _ — _\ —_— _--/ _ -- _ _
CbTHEY ARE LOCATED AS ACCURATELY AS POSSIBLE FROM INFORMATION _UNDERGROUND UTILITIES. __=_ _= -ice
C'' � I
I
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mllz•- /ll � / � \�� l / / l/I //l/ll/ ,� ��/ , �i // / I I I I \ \ \ \\ \ / � ___----------
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"W
- 4200 (Grollrl / / / _/ I I Mitchell Marion &
I 15,4.17•64(Grid� / l
John Phillips
o ov I D.B. 27948, PG. 622 o �/ I P/N: 085-091-02A/8
SCALE : II = 401
c�° ZONED: 1-2 0 20 40 BO
W,_� UTILITY PLAN
� o � o
\rris Co/es
52875
Project Manager: Jerry W. McGinnis, AIA
Project Architect: Jerry W. McGinnis, AIA
drawn by: MSG
checked by: JWM / LMC
This drawing and the design shown
is the property of J.W. McGinnis,
Architect. The reproduction or use
of this property without the written
consent of the Architect is prohibited
and any infringement of the ownership
rights will be subject to legal action.
All copies of this drawing must be
returned to the Architect at the
completion of the contract.
AI
RTAP
07/02/ 1 5
A2
RTAP REVIEW COMMENTS
08/ 1 7/ 1 5
no.
1 description
date
Revisions
Orbit Energy Charlotte, LLC
301 McCullough Drive
Charlotte, North Carolina 28262
owner
Bio Gas Facility
600 Johnson Road
Charlotte, North Carolina 28206
project title
t
a
�
�mz
EXISTING I EXISTING
W I
SCALE : 1 " = 40'
LEGEND
GROUND
PAVEMENT
3'MIN.
UTILITY PLAN
U, N
— — — — —
COVER
EXIST. PROPERTYLINE
EXIST. STORM DRAINAGE
2 W
�
_
—
— — — — — — —
— _ NOTES:
1. TRAFFIC WILL BE EXCLUDED FROM THE 1: 1 SLOPE AREA UNTIL BACK PILL IS COMPLETE.
PUBLIC RIGHT-OF-WAY
EXIST. BUILDING
'p z
o � -+
WATER MAIN
—
—
—
—
2. IF THE 1: 1 SLOPE AREA CAN NOT BE PROTECTED, THEN ACTIVE SHORING (SHEET PILING,
— — — — — — — EXIST. EDGE OF PAVEMENT
_ — — — — —
�( EXIST. FENCE
sheet title
00 "o
O LONG x G' WIDE x
I G" MIN.
"85'
SOLDIER PILES AND LAGGING, ETC.) WILL BE NECESSARY TO PROTECT THE ROADWAY IF
— — — — — — = EXIST. CURB AND GUTTER
PROP. EDGE OF PAVEMENT
ow
GENERAL NOTES
8' DEEP RECEIVING PIT
WITH TRENCH BOX
I
35' LONG x O' WIDE x DEEMED BY THE NCDOT DIVISION ENGINEER.
— — — — — — — EXIST. EDGE OF CONCRETE
PROP. BUILDING
z
m
AS REQUIRED
EXIST. 8" I
PROP. RJ DI
8' DEEP BORE PIT 3. SHORING SHALL BE IN ACCORDANCE WITH OSHA TRENCHING STANDARD 192G SUBPART P,
WITH SHORING
----725---- EXIST. CONTOUR
0000 PROP. CONTOUR
1. THERE SHALL BE NO TAPS, PIPING BRANCHES, UNAPPROVED BYPASS PIPING, HYDRANTS,
FIRE DEPT. CONNECTION POINTS, OR OTHER WATER -USING APPURTENANCES CONNECTED
TO THE SUPPLY LINE BETWEEN ANY WATER METER AND ITS CMUD-REQUIRED BACKFLOW
PREVENTERS.
2. EACH CMUD-REQUIRED BPA IS REQUIRED TO BE TESTED BY A CMUD-APPROVED
CERTIFIED TESTER PRIOR TO PLACING THE WATER SYSTEM IN SERVICE.
WATE LINE SEWER LINE AS REQUIRED OR AS AMENDED, AND NCDOT TRENCHING STANDARDS.
50 LF OF I G" DIA. CASING WITH 4. TRENCH WIDTH IS TYPICAL. ACTUAL TRENCH WIDTH MAY VARY BASED ON CONSTRUCTION
0.500" WALL THICKNESS METHODS Of INDIVIDUAL CONTRACTOR AND SOIL CONDITIONS.
5. LANE CLOSURE FLAGGING AND TRAFFIC CONTROL SHALL BE IN ACCORDANCE TO NCDOT'S
BORE DETAIL
STANDARDS.
G. CONTRACTOR SHALL VERIFY LOCATION Of ALL UNDERGROUND UTILITIES PRIOR TO START
OF CONSTRUCTION.
SCALE: 1" = 20'
EXIST. SETBACK
•
EXIST. CREEK CENTERLINE
—
EXIST. SWIM/POST CONSTRUCTION BUFFER
UZ
UPLAND ZONE BUFFER
55Z
STREAM SIDE ZONE BUFFER
UT
EXIST. UNDERGROUND TELEPIIONE
SS
EXIST. SANITARY SEWER LINE
— —
EXIST. SANITARY SEWER EASEMENT
E
EXIST. POWER LINE
PROP. ORANGE FABRIC FENCING
1406-1
PROP. STORM DRAINAGE
0
PROP. AREA BASIN
project no.
®
PROP. JUNCTION BOX
p
PROP. FLARED END SECTION
W
PROP. WATERLINE
55
PROP. SEWER LINE
0 3 /0 9 /15
date

B58 - P553
THIS IS TO CERTIFY THAT PANT OF THE PROPERTY
SHOWN ON THIS PLAT 1§ tja LOCATED IN A SPECIAL
FLOOD HAZARD AREA AS SHOWN ON MAPS PREPARED BY
THE FEDERAL EMERGENCY MANAGEMENT AGENCY,
FEDERAL INSURANCE ADMINISTRATION, COMMUNITY
NUI 13ERS 371445-6606-1<, [SATED FEBRUARY 19, 2014.
ACINITY MAP
N07 TO SCALE
C .� ... OR THE PURPOSES OF N.C.C.S. & 130A-310.35
ww
a � t
mIcHa E. SGOTT, DATE
DEPUTY DIRECTOR
DIA51ON OF WASTE MANAGEMENT
STATE OF NORTH CAROLINA
WAKE COUNTY
I ACKNOYVLMGE THAT I HAVE FULL AUTHORITY TO LEGALLY EXECUTE A DEED FOR
TIT PRnPrOW
STATE OF VU Y
CAUNTY C3F r
I, Lig6? lug M`I'•' •' A NOTARY PUBLIC: OF SAID COUNTY AND STATE, DO
HEREBY CERTIFY THAT ret DID PERSONALLY APPEAR AND SIGN
BEFORE ME THIS THE `L -20li
NOTARY 14fJlq (SIGNATURE)
MY COMMISSION EXPIRES
=lu
BI
AEARINGS, DISTANCES AND COORDINATES SHOWN HEREON ARE LO.CAUZED
(GROUND) NAD 83 (2007 ADJUSTMENT) HORI-ZONTAL INFORMATION (UNLESS
NOTED OTHERWISE), BASED UPON THE NORTH CAROLINA STATE PLANE
COORDINATE SYSTEM, WITH NAVD88 ELEVATIONS. THE N.C. STATE PLANE
COORDINATES FOR CONTROL POINTS #1000 & #10.02 SHOWN HEREON WERE
ESTABLISHED UTILIZING GLOBAL POSITIONING SYSTEMS (GPS) IN CONJUNCTION
WkTH THE NORTH CAROUNA GEODETIC SURVEY'S VIRTUAL REFERENCE SYSTEM
(VRS), WHICH IS BASED UPON THE CONTINUALLY OPERATING REFERENCE
STATIONS (COBS). THE VRS SURVEY TIE WAS PERFORMED CAN 07-30-2014. ALL
MEASUREMENTS SHO%N HEREON ARE REPORTED IN U.S. SURVEY FEET UNLESS
NOTED OTHERWISE.
NCGS 13OA--310.35(a) ALSO REQUIRES THAT THE NOTICE IDENTIFY ANY
Iii£7OK_ _ �a PAGE .
NORTH
QUESTIONS CONCERNING THIS MATTER MAY BE DIRECTED 3O THE NOR
CAROLINA DIVISION GOFWASTE MANAGEMENT,SUPE�RFI1NiD SECTION, DRY
CLEANING SOLVENT CLEANUP ACT (DSCA) PROGRAM, OR ITS SUCCESSOR IN
FUNCTION. 1646 MAIL. SERVICE CENTER, RALEIGH, NC 27699-1646.
PREWER TRANSPORTATION MHOC, I_LC
NEED BK-20236, PG-384
TAX ¢085-082--02
1" IRON
FND
'
IJ �
DENNiS F. CAINES
DEED Elf(-17572, PG-215
TAX #085-082-05
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RUSH TRUCK CENTERS
TAX #ass-ogz-a
OF NORTH C6.i?OJI11A, INC
DEED BK-23723. PG-58
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FND
N/F
SAIk tvLINE I FRIt.G
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NC -
DEED 13K-9435, PG-334
TAX #085-091-03
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VIR5 CONTROL "j 0
POINT ,#981 r
NIA 556012.842
E=1459370.923
° EL=724.95'
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+ ry ORBIT ENERGY CHARLOTTE. LLC
�r f TAB( I5-091-01
DEED BK--29725, PG-540
2
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UNDER CONSTRUCTION
S�NIpRRR f �� s� D g
AREA OF SUSPECTED
1i CONTAMINATION. BURIED
GREATER THAN 5 FT BELOW
-� REFERENCED ELEVATIONS:
-1 88 Sty PT / 0.002 ACRES
`t N 555618,53
y - , E 1459849.62 N 555613.37
726.76 E 1459859.67
_ N 555610,95 726.59
_ f E 1459841i.8t-
727.33
728,31
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E 1459856.49
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MECKLENBURG co.
- .�.� ��•.:'�;';;;���.':. / , `35' SWW1M BUFFER
27.34'
N /_
SVf: I CI�InLL M.-+IT' HIr JIB` Lpi
;oHN PNILLIPS
DEED UK-- 2-948. LPG- 622
TAX 4085-091 02A/P
1" IRON
FND
NCGS 130A-310.35.(a) ALSO REQUIRES THAT THE NOTICE IDENTIFY ANY RESTRICTIONS ON THE CURRENT AND FUTURE USE OF THE
BROWNFIELDS PROPtATY TT-IAT ARE NECESSARY 'DR USEFUL TO MAINTAIN THE LEV _ OF PROTECTION APPROPRIATE FOR THE DESIGNATED
CURRENT OR FUTURE USE OF THE BRO*lNFIElDS PROPERTY AND THAT ARE DESIGNATED IN THE BROWNFIELDS AGREEMENT. THE
RESTRICTIONS SHALL REMAIN IN FORCE IN PEWETUITY UNLESS CANCELED BY THE SECRETARY OF DENR (OR ITS SUCCESSOR IN FUNCTION),
OR HIS/HER CAE&I[KE. AFTER THE HAZARDS HAVE BEEN ELIMINATED. PURSUANT TO NCGS 13OA-310.35(e). ALL REFERENCES TO DENR
SHALL BE UNDERSTOOD TO INCLUDE ANY SUCCESSOR IN F'UNCT1014. THE RESTRICTIONS ARE HEREBY IMPOSED ON THE BROWNFIELDS
PROPERTY AND ARE AS FID OWS-.
1. NO USE MAY BE MADE OF THE BROWNFIELDS PROPERTY OTHER THAN FOR INDUSTRIAL PURPOSES. FOR PURPOSES OF THIS
(RESTRICTION, THE FOLLOWING DEFINITIONS APPLY:
INDUSTIIAL USE MEANS THE ASSEMBLY, FABRICATION OR PROCESSING OF GOODS OR MATERIALS FOR COMMERCIAL PURPOSES.
2. OTHER THAN THE EXISTING BRICK BUILDING. UNLESS COMPLIANCE NTH THIS LAND USE RESTRICTION IS WAIVED IN WYR171NG IN
ADVANCE BY DENR IN RELATION TO OTHER SITE BUILDINGS, Nib USE OF THE PROPERTY MAY OCCUR PRIOR TO DEMOLITION OF OTHER
allILDINGS ON THE PROPMTY DEPICTED ON THE PLAT COMPONENT OF THIS NmcE REFERENCED IN PARAGRAPH 20 BELOW IN ACCORDANCE
WWTH APPLICABLE LEGAL REQUIREMENTS, INCLUDING VATHOUT LIMITATION THOU RELATED TO LEAD AND ASBESTOS Aa.ATEMENT THAT ARE
N
ADMINISTERED BY THE HEALTH HAZARDS CONTROL UNIT WITH THE DIVISION OF PUBLIC HEALTH OF THE: NORTH CAIROUNA DEPARTMENT OF
HEALTH AND HUMAN SERVICES,
3. PHYSICAL REDEVELOPMENT OF THE BROWNFIELDS PROPERTY MAY NOT OCCUR OTHER THAN IN ACCORD, AS DETEIRIYSINED BY DENR,
WITH AN ENARONMENITAL MANAGEMENT PLAN APPROVED IN WRITING 8Y DNER IN ADVANCE (AND REVISED TO DENR'S WRiT'TEN SATIS.FACTTIO)
PRIOR TO EACH SUSSEQU5NT REDEVELOPMENT PHASE) THAT IS CONSISTENT VATH ALL THE OT13ER LAND USE RESTRICTIONS AND DE SMWS
REDEVELOPMENT ACTIVITIES AT THE BROWNFIELDS PROPERTY. THE TIMING OF E QE)XILOPMENT PHASES, AND ADDRESSES HEALTH SAFETY
31R£i]AIIV
AND ENVIRONMENTAL ISSUES THAT MAY ARISE FROM USE OF THE iFMELDS GROPE RTY DURING
CONSTRUCTION OR RMEVELOPMENT IN ANY OTHER FORM, INCLUDING WITHOUT LIMITATION:
0) SOIL AND WATER MANAGEMENT ISSUES. INCLUDING WITHOUT LIMITATION THOSE RESULTING FROM CONTAMINATION IDENTIFIED IN
THE ENVIRONMENTAL REPORTS,
b) ISSUES RELATER TO POTENTIAL SOURCES OF CONTAMINATION REFERENCED IN THIS NOTICE'S EXHIBIT A, PARAGRAPH 7; AND
c) CONTINGENCY PLANS FOR ADDRESSING NEWLY DISCOVERED POTENTAL SOURCES OF ENVIRONMENTAL CONTAMINATION (E.G.
TANKS, DRUMS, SEPTIC DRAIN FIELDS).
4. GROUNDWATER AT THE BROWNFIELDS PROPERTY MAY NOT BE USED FOR ANY PURPOSE WITHOUT THE PRIOR WRITTEN APPROVAL OF
DENR.
S. NONE OF THE CONTAMINANTS KNOWN TO BE PRESENT IN THE EWARONIMENTAL MEDIA AT THE BROWNFIELDS PROPERTY. IN%UDING
THOSE LISTED ON THE PLAT COMPONENT OF THIS NOna, MAY BE USED OR STORED AT THE OANFIELDS PROPERTY WITHOUT THE PRIOR
WRITTEN APPROVAL OF DENR, EXCEPT IN DE MINIMFS AMOUNTS FOR CLEANING AND OTHER ROU flNE HOUSEKEEPING ACTIVITIES OR IN SEALED,
PRE -PACKAGED CONTAINERS SOLD IN A RETAIL CONTEXT.
6, THE 9ROWNFIELDS PROPERTY MAY NOT BE USED FOR AGRICULTURE OR GRAZING.
7. THE BROiNREL.US PROPERTY MAY NOT BE USED AS A PART{ OR FOR SPORTS OF ANY KIND, INCLUDING, BUT NOT LIMITED TO, GOLF,
FOOTBALL, SOCCER AND BASEBALL, WITHOUT THE PRIOR %RITTEN APPROVAL OF DENR.
8. THE BROWNFIELDS PROPERTY MAY NOT BE USED AS A PLAYGROUND, OR FOR CHILO CARE CENTERS OR SCHOOLS.
9. THE OWNER OF ANY PORTION OF THE 13ROWNFIELDS PROPERTY WHERE ANY EXISTING, OR SUBSEQUENTLY INSTALLED,
DENR--APPROVED MONITORING WELL IS DAMAGED SHALL BE RESPONSIBLE i REPAIR QI• ANY SUCH WELLS TO DENR'S WRITTEN
SATISFACTION AND VATHIN A TIME PERIOD ACCEPTABLE TO DENR, UNLESS COMPLIANCE NTH THIS LAND USE RESTRICTION IS WAIVED IN
WRITING BY DENR IN ADVANCE.
10, NEITHER DENR, NOR ANY PARTY CONDUCTING ENVIRONMENTAL ASSESSMENT OR REMEDIATION AT THE BROWNFIELDS PROPERTY AT
THE DIRECTION OF, OR PURSUANT TO A PERMIT, ORDER OR AGREEMENT ISSUED OR ENTERED INTO BY RFNR, MAY BE DENIED ACCESS TO
THE BROWNFIELDS PROPERTY FOR PURPOSES OF C ONDUC71NO SUCH ASSESSMENT OR REMFDIATiON. WHICH IS TO BE CONDUCTED USING
REASONABLE EFFORTS TO MINIMIZE INTERFERENCE VATH AUTHORIZED USES OF THE BROWNFIELDS PROPERTY.
11. DURING JANUARY OF EACH YEAR AFTER THE YEAR IN WHICH THIS NOTICE IS RECORDED, THE OWNER OF ANY PART OF THE
BROWNFIELDS PROPERTY AS OF JANUARY 1ST OF THAT YEAR SHALL SUBMIT A NOTARIZED LAND USE RESTRICTIONS UPDATE (-LURU-) TO
DENR, AND THE CHIEF PUBLIC HEALTH AND ENVIRONMENTAL OFFICIALS OF MECKLENBURG COUNTY, CERTIFYING THAT, AS OF SAID JANUARY
1ST, THE NOTICE OF BROWNFIELDS PROPERTY CONTAINING THESE LAND USE RESTRICTIONS REMAINS RECORDED AT THE MECKLENBURG
COUNTY REGISTER OF DEEDS OFFICE AND THAT THE LAND USE RESTRICTIONS ARE BEING COMPLIED WITH, AND STATING:
0) THE NAME, MAILING ADDRES5, TELEPHONE, AND FACSIMILE NUMIKRS, AND CONTACT PERSON'S E-MAIL ADDRESS OF THE
OWNER SUBMITTING THE LURU IF SAID OWNER ACQUIRED ANY PART OF THE PROPERTY DURING THE PREY}OU5 CALENDAR YEAR; AND
b) THE TRANSFEREE'S NAME, FAILING ADDRESS, TELEPHONE AND FACSIMILE NUMBERS, AND CONTACT PERSON'S E-MAIL ADDRESS.
IF SAID OWNER TRANSFERRED ANY PART OF T1IE PROPERTY DURING THE PREVIOUS CALENDAR YEAR.
TABLE A -- AREA OF SUSPECTED CONTAMINA110N
GROUNDWATER CONTAMINANTS IN MILLIGRAMS PER LITER (THE
EQUIVALENT OF PARTS PER MILLION), THE STANDARDS FOR
AHICH ARE CONTAINED IN TITLE 15A OF THE NORTH CAROLINA
ADMINISTRATIVE CODE, SUBCHAPTER 2L. RULE .0202(2L),
(APRIL 1, 2014 VERSION);
GROUNDWATER
SAMPLE
DATE OF
CONCENTRATII
STANDARD
CONTAMINANT
LOCATION
SAMPLING
EXCEEDING
STANDARD(mg/L)
(m9/L)
CHROMIUM
TW-2
10/27/2014
0.0139
0,010
JUMV NQ=
1) THE SUBJECT PROPERTY FOR THIS SURVEY IS IDENTIFIED BY MECKLENeURG COUNTY PARCEL EDENTEFICATioN
NUMBER (PIN) #085-091-01. THE PURPOSE OF THIS PLAT IS TO DISPLAY (1) THE LOCATIONS OF KNOWN SOIL
CONTAMINATION ON THE SUBJECT PROPERTY WITH RESPECT TO SURVEYED BENCHMARKS AND (2) THE TYPE,
LOCATION AND QUANTITY OF REGULATED SUBSTANCES AND CONTAMINANTS KNOWN TO EXIST ON THIS NORTH
CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES (NrDENIR) BROWNFTELDS PROGRAM SITE.
2) THE LOCATION OF "TW--20 AND TYPE OF CONTAMINATION DEPICTED UPON THE MAP ARE APPROXIMATIONS
DERIVED FROM THE BEST AVAILABLE INFORMATION AT THE TIME OF FILING. THIS INFORMATION WAS SUPPLIED TO
THE ISAACS {CROUP BY HART & HICKMAN, PC.
3) ALL BEARINGS, DISTANCES AND COORDINATES SHOWN HEREON ARE BASED UPON THE NORTH CAROLINA STATE
PLANE r'IORDINIATE SYSTEM, NAD B3(NSRS 2011). W€TH NAVn38 (GEOID 12A) ELEVATIONS, PER A GPS SURVEY
PERFORMED BY THE ISAACS GROUP, ON APRIL 20, 2015. THE N.C. STATE PLANE COORDINATES SHOWN FOR
CONTROL POINT #345, jP47 & #981 WERE ESTABLISHED UTILIZING A TRRvfBLE RIS GLOBAL POSITIONING SYSTEMS
(GPS) UNIT IN CONJUNCTION WITH THE NORTH CAROLINA GEODETIC SURVEYS VIRTUAL REFERENCE SYSTEM (VRS),
WLIICH IS BASED UPON THE CONTINUALLY OPERATING REFERENCE STATIONS (COBS)_ ALL. MEASUREMENTS SHOWN
HEREON ARE REPORTED IN U.S. SURVEY FEET (UNLESS NOTED OTHE RVASE).
4] BOUNDARY INFORMATION TAKEN FROM A SURVEY PROVIDED BY R.B. PHARR & ASSOCIATES, AND FIELD
VERIFIED BY THE ISAACS GROUP. BROKEN LINES INDICATE PROPERTY LINES NOT SURVEYED.
5) PROPERTY OWNER INFORMATION WAS OBTAINED ONLINE FROM MECKLENBURG COUNTY CIS TAX RECORDS.
B) THE PROPERTY SHOWN HEREON IS SUH JECT TO ALL RIGHTS OF WAY, EASEMENTS COVENANTS AND
RESTRICTIONS, APPURTENANCES OF RECORD, HOWEVER RECORDED AND/OR IMPLIED.
7) REFERENCE COORDINATE SYSTEM FOR VERTICAL DATUM: NAVD88.
8) THE FOLLOWING'WAS USED TD PERFORM THE GPS SURVEY INFORMATION SHOWN:
(1) CLASS "A" SURVEY;
(2) POSITIONAL ACCURACY IS 0.05 FEET VATHIN A 95 PERGENT CONFIDENCE LEVEL;
(3) REAL-TIME KINEMATIC GPS FIELD PROCEDURE;
(4) SURVEY PERFORMED APRIL 20. 2015;
(5) VERTIGAL DATUM BASED ON 14AV088;
(&) TIED TO NC STATE PLANE COORDINATES AS SHOWN;
(7) GEOID -12A" MODEL;
(8) COMBINED GROUND SCALE FACTOR: 0.99984425714;
(9) UNITS ARE IN U.S. FEET.
VRS CONTROL `�< ; ::, ;¢ ; ;rs ;:+:,.::?-, .
POINT 47 - T�If- 2 ..:; 'z W . i _ , -
� SYIRI�£YURS CER31E7�41
':VA& c _E „':° <' I. STEPHEN S. DYER, CERTIFY THAT THIS MAP WAS DRAWN UNDER MY
E=14591]18.1313 SUPERVISION FROM AN ACTUAL SURVEY MADE UNDER 1ti4Y SUPERVISION;
� - _ � ¢ \ ik11111 1Iff11fl
EL=732.19' `�` r , THAT THE. BOUNDARIES NOT SURVEYED ARE CLEARLY INDICATED AS DASHED E►t d �71f�7 �►►►i I11
` � ' ►` �- -_ THAT THE RATIO OF I?RECSIGNLINES, DRAWN FROM OAJS CALFCIEJLA EDCED El(CEEDS 1 i00a0: THE FACE OF ITiiALAT: *�1\��-[�A''�fQ��I�i `�ti���'[ :CAI?b,,�fif�i
46 �` r ��7 THIS SURVEY IS TAN EXISTING PARCEL OR PARCELS OF LAND AND DOES .� a+•• iR 5$`! �� �� •
�^ 1�hj F ' �` 6O. �S?s�3"LC ` \ ` NOT Cd2EATE A NEW STREET OR C€IANGE AN EXISTING STREET; THAT TH€S �.•'��y',�:� THE ISAACS
R/W RIGHT OF WAY r.`V �" 1 1 uai to 1 rTo , PLAT WAS PREPARED IN ACCORDANCE WITH G.S. 47-30(f)(11){c)(1) AS = s = ; GROUP, P.C.
z T AMENDED, ESS MY OR EGI GNATUIRE REGISTRATION NUMBER AND � SEAS ;ENGINEERING &
SANITARY SEWER MANHOLE �~
SEAL TFIIS ._� DAY OF 2O� L-3509 = :LAND �"tl�1GiNG; o
C4,$� 0P7' C'(i �� 15' UPLAND ZONE y p• 1 I+ >~--1065
C5F CG)At$INED SCALE (ACTOR Cf1iJ:�1,•
20' STREAM ODE ZONE .fiLIR` �� ��i ��
E/P EDGE OF PAVEAkENT sr�, 5Ti PHEN S. DYER, PL5 L-�Sos fi r HEp .� *.� f�'t OF
1 rr►rI I I I1Ti►►� rr►t� r l� k k r,`tt'.
N.C. FIRM LICENSE OC-1069
TEMPORARY WELL(TTk) VRSCONTROL , ��a � �� �0' STREAM
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SYMBOLS MONTRO S E
EQUIPMENT CONTROL VANE
DRAIN DEMOLITION MONTROSE ENVIRONMENTAL GROUP
PNEUMATIC PUMP — NO T HAND WHEEL / MANUAL ACTUATOR 1 PARK PLAZA #1000
CENTRIFUGAL PUMP ELECTRICAL WIRING IRVINE, CA 92614
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PROJECT NO.
029RCI-370240
SHEET:
P-100
FLOWS
LEGEND
OFW
ORGANIC FOOD WASTE
P 1
DIGESTATE
P2
SOLID DIGESTATE
P3
LIQUID DIGESTATE
P4
HIGH PRESSURE LIQUID DIGESTATE
G
GAS (BIOGAS)
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INDUSTRIAL WATER00
AC
COMPRESSED AIR
HW
HOT WATER
HWG
HOT WATER WITH GLICOLE
AA
SOFT WATER
AFOAM
ANTI FOAM
H2SO4
PHOSPHORIC ACID
NAOH
CAUSTIC SODA
FECL2
FERROUS CHLORIDE
POLY
POLYELECTROLYTE
FECL3
FERRIC CHLORIDE
(NH4)2SO4
AMMONIUM SULPHATE
NaC10
HYPOCHLORITE SODIUM
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SUBSTANCE WITH HIGH COD VALUE
COND
CONDENSATE
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�
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FLEXIBLE JOINT / ANTIVIBRANT JOINT
E�ETR CAE SA SYMBOLS
SELECTOR IN FIELD
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ALARM
PLC LOGIC
CONTROLLER I N FIELD
OI
SECURITY RELAY
RELAY IN FIELD
INSTRUMENTS
❑M
ELECTROMAGNETIC FLOWMETER
FLOW SWITCH
TE
SENSOR OF TEMPERATURE (PE),
PRESSURE (PE), LEVEL (LE),
ANALYSIS (AE)
PI
INDICATOR FOR TEMPERATURE (TI),
PRESSURE (PI), LEVEL (LI)
PT
TRANSMITTER OF TEMPERATURE (TT),
PRESSURE (PT), LEVEL (LT),
ANALYSIS (AT)
LE
INDICATOR AND TRANSMITTER OF
TEMPERATURE (TT), PRESSURE (PT),
LEVEL (LT), ANALYSIS (AT)
W5
PRESSURE REDUCING VALVE
PCV-300.01
PIPE SPECIFICATION
N 1
CARBON STEEL
N1—PREINS
PREINSULATED CARBON STEEL
N 13
CALPEX OR EQUIVALENT
N2
STAINLESS STEEL AISI 304E
N3
STAINLESS STEEL AISI 316E
N4
POLYPROPYLENE
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HIGH DENSITY POLYETHYLENE
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HIGH DENSITY POLYETHYLENE
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NOTES:
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41.01 41.01
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CATCH BASIN IN
PRETREATMENT -BUILDING
(1 ): AUTOMATIC DOOR WITH PHOTOCELL
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(4): FRP / GRP (FIBRE REINFORCED PLASTIC / GLASS REINFORCED PLASTIC) GRID COVER
(5): 2 COLORS LIGHT (WITH SOUND ALERT SYSTEM) AND OPEN/CLOSED SWITCH
(6): INTERNAL VIDEO SYSTEM: FOCUS ON TOP OF THORS
(7): EXTERNAL, VIDEO SYSTEM: FOCUS ON TRUCK PLATFORM ARRIVAL
(8): BALL CHECK VALVE
(9): MAGNETIC LOOP
(10): EXISTING CHOPPER PUMP
(11): NEW VERTICAL WET WELL RECIRCULATOR CHOPPER PUMPS, 5 HP, 3 PHASE,
WITH AUTOMATIC VALVE ACTUATOR AND OIL LEVEL INDICATOR
(12): PUMPS MOUNTED TO PLATE ATTACHED TO TOP OF SLURRY TANK
(13): BOTTOM OF PUMPS 6" FROM BOTTOM OF TANK AND 5' FROM SIDES OF TANK
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M-40G
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OFW to Biopulper
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Sheet P-135
MONTROSE ENVIRONMENTAL GROUP
1 PARK PLAZA #1000
IRVINE, CA 92614
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from sheet P103
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from sheet P103
P3-31.00-N2-6"
INDUSTRIAL WATER
from I.W. PRETRP
sheet P-135
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sheet P-135
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M-30E
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BIOGASPLAN
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TORNADO
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AC-2030.03-N5-1 /2 ". _ 1/2 "
AC-2030.04-N5-1 /2 " _ 1/2 "
GENERAL ELECTRICAL NOTES
— ALL ELECTRICAL POWER USERS ARE WIRED TO THOR CONTROL CABINET,
EACH THOR UNIT HAS ITSS OWN CABINET
— ALARMS FROM THOR CONTROL CABINET WIRED TO PLANT SWITCH BOARD
(1): EXISTING PRESSURE REDUCER PROVIDED WITH KV / FCV VALVE
(2) WASTECORP PE1144 QUADLEX 20HP
(3) SEPARATOR COMES PRE —PLUMBED FOR WATER ADDITION. THERE
ARE 1' FEMALE INLETS ON A 5—QUANTITY BALL VALVE MANIFOLD. EACH
1/ "WATER LINE IS PLUMBED EVERY 20". MANUALLY ADJUSTED.
(4) THOR CONTROL CABINET INCLUDES MOTORS FOR HOPPER SCREW FEEDERS
FROM TR-40 ON SHEET P-101. TWO MOTORS 20 HP EACH ON VFDS.
1" �;'/1„
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71/2 " ] 1/2 "
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IW-3066-RILSAN-1/2 "
THOR 1 - OFW 30
TAG
DESCRIPTION
POWER
IN CABINET
VFD
M-30A
Motor 1 of 2 for Screw Feeder, SF30
25 hp
MTR10115
none
M-30B
Motor 2 of 2 for Screw Feeder, SF30
15 hp
MTR10300
none
M-30C
Motor for Thor 1 Separator, T1S30
125 hp
MTR10120
10120
M-30D
Motor for Recovered Organics
Conveyor, ROC30
5 hp
MTR10112
none
M-30E
Motor for Waste Conveyor, WC30
5 hp
MTR10109
none
M-30F
Drain Screw to ROC30
1/2 hp
MTR10303
none
P-30
Motor to Plunger Pump
20 hp
MTR10306
none
CO-40A
Hopper Screw 1 for TR-40 (P-101)
20 hp
MTR10200
10200
CO-40B
Hopper Screw 2 for TR-40 (P-101)
0 hp
MTR10220
10220
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SHEET P-102
INDUSTRIAL WATER
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sheet P-135
IW-1030.02—N5-1 "
COMPRESSED AIR
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sheet P-135
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WC30
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AC-2030.04—N5-1 /2 " _ 1/2 "
GENERAL ELECTRICAL NOTES
— ALL ELECTRICAL POWER USERS ARE WIRED TO THOR CONTROL CABINET,
EACH THOR UNIT HAS ITSS OWN CABINET
— ALARMS FROM THOR CONTROL CABINET WIRED TO PLANT SWITCH BOARD
EXISTING PRESSURE REDUCER PROVIDED WITH KV / FCV VALVE
(2): SEPARATOR COMES PRE —PLUMBED FOR WATER ADDITION. THERE
ARE 1' FEMALE INLETS ON A 5—QUANTITY BALL VALVE MANIFOLD. EACH 1/ "WATER
LINE IS PLUMBED EVERY 20". MANUALLY ADJUSTED.
(3): THOR 2 CONTROL CABINET INCLUDES MOTORS FOR HOPPER SCREW FEEDERS
FROM TR-41 ON SHEET P-101. TWO MOTORS 20 HP EACH ON VFDS.
1/2 "x1"
(1)
1/2 "
SPARE
] 1/2 "
FCT— 0.40
1/2 " ] 1/2 "
(1) KV-30.42
M-3(
M-30A
IW-3066—RILSAN-1/2 "
Screw Feeder, SF30
(Scott Unit 18-086)
OFW from TR-41
Sheet P-101
3-30.05—N2-6" ^ OFW TO PLUNGER
PUMP P-30
ON SHEET P-102
THOR 2 - OFW 31
TAG
DESCRIPTION
M-31A
Motor 1 of 2 for Screw Feeder, SF31
15 hp
MTR10115
none
M-31B
Motor 2 of 2 for Screw Feeder, SF31
15 hp
MTR10300
none
M-31C
Motor for Thor 1 Separator, T1S31
125 hp
MTR10120
10120
M-31D
Motor for Recovered Organics
Conveyor, ROC31
5 hp
MTR10112
none
M-31E
Motor for Waste Conveyor, WC31
5 hp
MTR10109
none
M-31F
Drain Screw to ROC31
1/2 hp
MTR10303
none
CO-41A
Hopper Screw 1 for TR-41 (P-101)
20 hp
MTR10200
10200
CO-41B
Hopper Screw 2 for TR-41 (P-101)
20 hp
MTR10220
10220
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MONTROSE ENVIRONMENTAL GROUP
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GENERAL ELECTRICAL NOTES z Q o Q
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- ABOUT WIRES BETWEEN TORNADO SWITCHBOARD AND PLANT SWITCHBOARD PLEASE REFER TO PLANT WIRING SCHEME w Q
J
J
(1): EXISTING PRESSURE REDUCER PROVIDED WITH KV / FCV VALVE ~ m 0
�0 rn
0-
0 r-i U Z
O O
Ua
~ w
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J � w
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PROJECT NO.
029RC1-370341
SHEET:
P-104

Ai oFw �1&61 MONTRO S E
from CONVEYOR BELT (C-45C)
sheet P-134
DEMOLITIION WITHIN THESE BOUNDS
IT MONTROSE ENVIRONMENTAL GROUP
SSL 1 PARK PLAZA #1000
33 IRVINE, CA 92614
3 °0 3 WWW.MONTROSE-ENV.COM
(5) LIGHT
ALARM
co Q
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LIQUID DIGESTATE P3-33.03-N2-2" 2 2„ u m O
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from STORAGE TANK FCV-033.40 M /% ZSH o p U
sheet P-135 033.01 Y
BIOGAS ANT FIT 1/2" \ \/ 3 IOG S PLANT LLJ
lh
u
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u
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1/2"
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// \L \1/ \1/ \L \1/ \1/ \L \L \1/ \L L \1/ \L \ / � p L u
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33.4 3.4 > Q �/)
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(6) Hz "� 0 4„ 4„
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3.0
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X
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7
1
Y C-33A 8 P-33A 6" 6" 6" OFW-33.05-N2-6" OFW PUREE
Hz
/l�\ to FEEDING B 10 P U LP ER SCHEME
sheet P-135
\�L \yL \�L \y1/ \�L \�L \y1/ \�L \�1/ \�1/ \�L \�L/ \�1/ \� \�L \�1/ \�L \�L \�1/ \�L P- 3A
SI —M33—D
M-33D
TORNADO
BIOGAS PLANT � SIC-P33A
INDUSTRIAL ATER (3)
WE
from I.W. PRETREAT BUILDING z
sheet P-135 3.02E Y —33.2 A
IW-1033.02-N5- O
WE WE WE WE WE WE
3.02 3 2 3.02 3.02 3.0 Y — .2 B
(5) 33.03
I O
(5) o o Y —33.2 C
uj
/ Y-33.2D
i
SCREENING MATERIAL Lu
to SCREENING MAT CONTAINER
sheet P-1 35
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INERT MATERIAL
to INERT MAT CONTAINER U
sheet P-135
IW-3066-RILSAN- 2
U0 Lu U
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AC-2033.05-N5-1 /2 1/2 1/2 " 1/2
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COMPRESSED AIR AC-2033.01-N5-1/2 " _ CC z O z z
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sheet P-135 r�n 0 o o o O
AC-2033.04-N2-1/2 1/2 1/2 ] 1/2 r W � -
KV-33.42 w >- _ Un CD
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GENERAL ELECTRICAL NOTES (1) Z z Q
Lu ALL ELECTRICAL POWER USERS ARE WIRED TO TORNADO SWITCHBOARD Q V
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PROJECT NO.
029RC1-370341
SHEET:
P-105

SOLID DIGESTATE FROM
ENT-212
from P-118
sheet
I MONTRO S E
r�L E N V I R O N M E N T A L
b
CO-220D it Nz
CO-220D
SIC- OE
\ y /
SOLID DIGESTATE FROM
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from
sheet P-1 I a
I
SOLID DIGESTATE
from CENT 210
sheet P-1 18
COL-902.03-112-3"
6
N5-6"
N? 4"
LIQUID DIGESTATE P3-211.03—N2-6"T—C
from CENT 210 / 211
sheet P-118 6"x8" N8-8"
T— 212
NOTES:
(1):
IF NECESSARY (DR-230
OR
DR-231 FEEDING DRYER
EQUIPMENT FAULTY)
AUTOMATICALLY REVERSE
OF THE
CONVEYOR BELT
(4):
EXISTING COVER FOR LIT
INSTRUMENTATION IN ORDER
TO
AVOID RAIN
(5):
SAMPLING POINT
(6):
PROVIDE 1/2 " DIAPHRAGM SEAL
& PRESSURE GAUGE
(7):
PROVIDE SWING CHECK
VALVE
(8):
PROVIDE PUMP MATCHING
EXISTING
P-212
(9):
PROVIDE TWO —MOTION
SWITCH
ON FIELD
N 4— 4"
31'�1_
V65
N2-3"
LIQUID OFW TANK T-212
NOTE
m / me
FEET / US
Total Height
4.8
16
Internal diameter
3.66
12
Total volume
50
13208
Material
Fiberglass
N6-6" 6"
6"x5"
6 6w
N7-6"
PI
12.6
N
4"
3"x4"
P-212 1"
PI
12.6
C6)
4w (7)
3'x4w
P-213 1"
(5)
4 PP-213A.03—N2-4"T—C
V65
4w
SOLID DIGESTATE
to DR-230
sheet P 119
SOLID DIGESTATE
to DR-231
sheet P 119
P3-213.04—N6-6"—De 160 ^ LIQUID DIGESTATE
to R-300 EQUALIZATION
6"x4" sheet P120
MONTROSE ENVIRONMENTAL GROUP
1 PARK PLAZA #1000
IRVINEI CA 92614
WWW.MONTROSE-ENV.COM
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PROJECT NO.
029RCI-370240
SHEET:
P-117
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I MONTRO S E
POLYELECTROLITEit POLY-531C.02-RILSAN-1" 1" L E N V I R O N M E N T A L
om PM-531C
sheet P-131 V65 1 "xl "1 /4
POLY-531B.02-RILSAN-1" MONTROSE ENVIRONMENTAL GROUP
POLYELECTROLITE
cl 1 PARK PLAZA #1000
from PM-531 B
sheet P-131 V65 1 "x1 "1 /4 I RVI N E, CA 92614
NOTES: WWW.MONTROSE-ENV.COM
(16) (16)
(5): SAMPLING POINT (16) M (16) M M (16) (16) M M m Q
(16)
(6): BALL CHECK VALVE IW-2210.02-N5-1"T-C PD-521A PM-531A IW-2211.02-N5-1"T-C PD-521B PM-531B IW-2212.02-N5-1"T-C PD-521C PM-531C
(7): SWING CHECK VALVE (16) M M M M = M M o 00
Lu 00
(U): SPRING CHECK CO- 210A M-210A x CO- 211A M-211A = O O
X CO-212A M-212A
VALVE (16) t� M M w
n M
(9): AUTOMATIC VALVE NORMALLY SET C- 1°B M-21oB - 11B M-211B Ed 12c M-2126 Q Q
Ln
ON CLOSED POSITION (16' M 7 16 o
rn
2" 2" 2" ( ) z
(10) : FIT MUST BE MOUNTED IN �CENTR-210 �CENTR-211 PM-203B = ®CENTR-212 PM-203C O
VERTICAL POSITION (OR IN FULL N X WASHING WATER ❑ z WASHING WATER ❑u co
- - DPyf i-) 3 OUTLET 12"GAS MALE Nf = ih 3 OUTLET 1�"GAS MALE M ��u
PIPE CONDITIONS); PROVIDE 5 DIA. M U
V-210 V-210 f V-212 w
LENGTH UPFLOW AND 3 DIA. "' X X u
DOWNFLOW
x
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L\jX :( _ z
WITH CLIMBING FLOW (IN ORDER X X X N -x �N Q N =X cq
=X m
TO AVOID BUBBLES IN SUPERIOR N N a N N a_ Q U
SIDE OF PIPES) w w o
(16): IN ELECTRICAL CABINET N N N N SOLID DIGESTATE TO O
(17): BUTT WELDING 2" PIPE ON 6" - z Z W TR-220, P-117 0 �.L
NOT PROVIDE TEE x N X N m
00 00 00 cV 011 0 L u
N N w
I z
V P3-211.03-N2-8" P3-212. 3-N2-8" to PO
I � SOLID DIGESTATE w
z O to TR-220
sheet P-1 17
o
x 0
CO N SOLID DIGESTATE
to
11 sheet P-1 17
(17) (17) P3-212.03 N2-6" (15) (17)
LIQUID DIGESTATE
P3-211.03-N2-6" u U to T-212
11 F sheet P-1 17
\ \ i
Ln to
z = z
a o a o
11 o CA
N 11 o N 11
N
11
(5) L / LO
LO
PEAD
11 1 a 1"1/4 (8\ PEA11 a 1„1/4 1'8) PEA11
0
4" 0 4" 4
1 1/4" 1"1/4 N2 cNv N2 N2
I
(g) 11 11 11
5 5
1 » 1 "x1 "1 /4
11 11 11 �
POLYELECTROLITE POLY-531A.02-RILSAN-1" N6 1"1 4 1"1/ 11 1"1/ i�
from PM-531A
sheet P-131 (6) V61 V65 V61 V65
6" P1-210.00-N2-4"T-C (10) 4„ N2 l�
DIGESTATE iF.-.1_
11 11 N
from P-99A P1-99A.03-N6-6"-De 160 f N OI
sheet P-112 6"x4" 4" FIT FIT0.01 f (8) \ (8)
(5) (8) CD
N
N 9 N (� N
(g) N
> Y Y z
6" P1-99B.03-N6-4" (6) Y (10) 4„ FIN2 (10) 4-
DIGESTATE
DIGESTATE P1-99B.03-N6-6' w
o � U
from P-99B I� M p
sheet P-112 6"x4" 4"
FIT-211.01 � FIT-212.01 U p L1J
U / \ = J �
FECL3-521 A.02-RILSAN-1 /2 1/2 "1/2 = 5 ui 7 WFeCl3 FECL3-521A.03-PP-1/2 "T-C ~ �(5 ) z \ 7l \ \ I ( � zfrom � ( ) \ \ � �_
sheet PP-130 V84 z z z o : (8) z (8/ w D LL
_ J N
N n N to N _ ` / 1..1.
CD
I1 N N Y N Y O Q r < O z
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w �=
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from UTILITIES
sheet J 0
P-129 � Q
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from PD-521 B m p z CO
sheet P-130 N O
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w
from PD-521 C
sheet P-130 w
z
w O vU
1/2 1/2 AC-2220.01-N5-1/2 " 1/2 " J w
U a
KV-1210.41
\ 1/2 AC-1220.00-N5-1 /2 1/2 "
PROJECT NO.
N 7 029RCI-370240
N
\ K V-1210.42
\ 1/2 AC-1220.00-N5-1/2 " 1/2 " SHEET:
SPARE
COMPRESSED AIR AC-2220.00-N6-1 "1 /2 1/2 AC-1220.00-N5-1 /2 1 /2 " P-118
from UTILITIES
sheet P-129 SPARE
z
0
a
w
0
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0
w

AC-2220.06—N5-1" 1"
SCOLAR
N
X \ 1 N /2 s 1 /2 /2 1 /2
\ J
YV-230 FRL P-230.01
1 /2 " s 1 /2 „ /2 " 1 /2
COMPRESSED AIR AC-2220.01—N6-1"1/2 l
YV-231 P-231.01
from AC SEP/CENTR MANIFOLD
sheet P-117 AR-1220.02—N5-1/2 "
COMPRESSED AIR
to SOLID DIGESTATE
sheet P — 1 1 7
SOLID DIGESTATE — P3
from CO —
sheet P-1 17
SOLID DIGESTATE — P3
from CO-220D
sheet P-117
sheet P 132
N IW-1230.01—N5-1"1/2
01: PROVIDE PNEUMATIC GATE VALVE
02: PUMP CONTROL BY DRYER DISCHARGING E.V.
03: INSTRUMENTATION MUST BE INCLINATED 45° IN FLUID DIRECTION IN
04: PROVIDE PIPE VENTING IN HIGHER POINT OF HOT WATER CIRCUIT
06: SAMPLING POINT
09: PREDISPOSITION FOR PI
ORDER TO ALLOW CLEANING BY FLOWRATE; SHEATH MUST BE INSIDE PIPE AT LEAST FOR HALF OF PIPE DIAMETER
(NH4)2SO4
to STORAGE TANK
sheet P — 1 30
(NH4)2SO4
to STORAGE TANK
sheet P — 1 30
LEACHATE
to SUMP P-902
sheet P-133
HOT WATER
to HOT WATER MANIFOLD
sheet P-132
HOT WATER
to HOT WATER MANIFOLD
sheet P-132
I MONTRO S E
r�L E N V I R O N M E N T A L
MONTROSE ENVIRONMENTAL GROUP
1 PARK PLAZA #1000
IRVINE, CA 92614
WWW.MONTROSE-ENV.COM
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PROJECT NO.
029RCI-370240
SHEET:
P-119
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1\4ONTROSE
SCREW CONVEYOR
B FLANGE CONNECTION *,C
O-220D B MONTROSE ENVIRONMENTAL GROUP
1 PARK PLAZA #1000
IRVINE, CA 92614
WWW.MONTROSE-ENV.COM
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[12651] 029RC1-370240
CENTRIFUGE LAYOUT 1 SHEET:
SCALE: NONE M M-101A
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PROJECT NO.
SECTION A 2 029RC1-370240
SCALE: NONE IVI SHEET:
M-101B
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NTRO S E
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MONTROSE ENVIRONMENTAL GROUP
1 PARK PLAZA #1000
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WWW.MONTROSE-ENV.COM
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PROJECT NO.
029RC1-370240
SHEET:
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z
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NEW 6" SS. 304 SCH.10
CONNECT TO EXISTING 6" 1
EXISTING 6" SS. PIf
EXISTING 8" SS. PIF
CONNECTED TO BIO PULPE
BILL OF QUANTITY
DESCRIPTION
QTY.
LENGTH
2062"
REMARKS
ESTIMATED PIPE LENGTH
��
1
6" SS. 304 PIPE SCH.10 1
LOT
1A
8" SS. 304 PIPE SCH.10 1
LOT
640"
ESTIMATED PIPE LENGTH
r r
2
4" SS. 304 PIPE SCH.10 1
LOT
789"
ESTIMATED PIPE LENGTH
3
6" SS. 304 ELBOW 90 DEG., LONG RADIUS BUTT WELD
5
-
4
4" SS. 304 ELBOW 90 DEG., LONG RADIUS BUTT WELD
3
-
5
4" SS. 304 TEE BUTT WELD
1
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MONTROSE ENVIRONMENTAL
GROUP
6
6"X4" SS. 304 CONCENTRIC REDUCER BUTT WELD
1
-
1 PARK PLAZA #1000
7
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Appendix C
List of Acceptable Wastes
hart hickman
SMAKtER ENVIRONMENTAL SOLUTIONS

List of Acceptable Wastes
Revision 2
Acceptable Materials
Unacceptable Materials
• Fresh cut flowers, spent plants
Plastic bags (pretreatment)
• Grass clippings
• Silage
Styrofoam
• Stall Waste
Medicine
• Vegetables, fruits, salads
• Chemicals
• Sausages, meats, fish
• Dyes, Printing ink
• Breads, Pasta, flour, grains
• Glass
• Coffee grinds/Tea
• Plastic bottles (pretreatment)
• Eggs
• Metal
• Pasta, flour, grains
• Aluminum
• Restaurant food waste
Treated wood
• Grease and Fats
• Potatoes, fries, chips, etc.
• Paper (pretreatment)
• Dairy products
• Cardboard (pretreatment)
• Foodstuff
• Rocks, sand
• Oils, vinegars
• Batteries
• Animal fats and meat renderings
• Fabrics
• Leaves
• Motor oil
• Seaweed
• Construction waste
• Aquatic plants
• Clay pots
• Bakery waste
• Brewery waste
• Human waste Fertilizers
• Potting soil from Lawn and Garden
• Fertilizers
• Pet Food
PET Products
• Liquids such as soda, syrup, milk, other liquid
• Cut hair
foods
• Other hazardous or toxic organic &
• Dissolved Air Flotation (DAF) waste
inorganic materials
• Other organic waste as approved by Project
Owner and DEQ (see Note 1)
Note:
If additional types of feedstocks other than those listed are proposed, a permit mod request will need to
be submitted and approved by the Project Owner and DEQ.

Appendix D
Flood Plain Map
hart hickman
SMARTER ENVIRONMENTAL SOLUTION5

Mecklenburg County Polaris GIS Floodplain Map
Date Printed: 9/4/2020 8:27:57 AM
Overlay Legend
FEMA Floodway
Community Floodway
FEMA Floodplain
Community Floodplain
CIO
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U
0 0.01251.025 0. 5 Miles
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W+
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This map or report is prepared for the inventory of real property within Mecklenburg County and is compiled from recorded deeds, plats, tax maps, surveys, planimetric maps, and other public records and data.
Usersofthis map or report are hereby notified that mew rem«Gned
public primary information sources should be consulted for verification. Mecklenburg County and its mapping contractors assume no legal
responsibility for the information contained herein.

Appendix E
Signature Page
hart hickman
SMARTER ENVIRONMENTAL SOLUTION5

Signature page of applicant —
Name of facility Orbit Energy Charlotte, LLC
I certify under penalty of law that this document and all attachments were prepared under my
direction or supervision and that the information provided in this application is true, accurate, and
complete to the best of my knowledge.
I understand that North Carolina General Statute 130A-22 provides for administrative penalties of up
to fifteen thousand dollars ($15,000.00) per day per each violation of the Solid Waste Management
Rules. I further understand that the Solid Waste Management Rules may be revised or amended in
the future and that the facility siting and operations of this solid waste management facility will be
required to comply with all such revisions or amendments.
'41nature
Chief Operating Officer
Title
Orbit Energy Charlotte, LLC
Business or organization name
Zachary D. Morgan
Print Name
11/19/2020
Date

Appendix F
Environmental Permits
hart hickman
SMARTER ENVIRONMENTAL SOLUTION5

AIR QUALITY TITLE Y PERMIT
Permit No.
Effective Date
Expiration Date
Moditicatian Dates
Replaces Permit No s
19-01 V-021
May 30, 2019
May 30, 2024
18-085-021 11
In accordance with the provisions of the Mecklenburg County Air Pollution Control Ordinance, and by the authority granted under the North Carolina General Statute
(NCGS) Chapter 143, Article 215, and until such time as this permit expires or is modified or revoked, the Pernuttee is hereby authorized to construct/operate
emission sources and control devices as outlined in Parts 1 and 2 of this permit. The purpose of this permit is to assure compliance with the requirements of 'Title V
of the Clean Air Act (CAA) and 40 CFR Part 70.
Permittee Name:
Site Name (if different):
Permitted Facility Location:
City, State, Zip:
Facility Mailing Address:
City, State, Zip:
Primary SIC Code:
Renewal Application Due:
Orbit Energy Charlotte, LLC
600 Johnson Road
Charlotte, NC 28206
600 Johnson Road
Charlotte, NC 28206
4931
May 30, 2023
S - 3c t.
Program Manager, Air Quality Program
2145 Suttle Avenue + Charlotte, N.C. 28208-5237

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No. 19-01 V-021
Facility and Emission Source Conditions and Limitations Page 2
PEWMT CONTENTS
PART I - FACLLITY CONDITIONS AND LIMITATIONS
A. LOCAL AND FEDERAL REQUIREMENTS
ADMINISTRATIVE PROVISIONS
A-1 Applicability
A-2 Permit Application
A-3 General Duties and Powers of the Director
A-4 Confidential Information
A-5 retention of Permit
A-6 Property Rights
A-7 Annual Fee Payment
A-8 Inspection and Entry
PERMIT CHANGES
A-9 Changes Not Requiring A Permit
A-10 Permit Modifications and Administrative Amendments
A-11 Reopening for Cause
A-12 Termination, Modification, Revocation of Permits
A-13 Permit Renewal and Expiration
NOTIFICATIONS AND REPORTS
A-14 Commencement of Operation
A-1 S Malfunction and Excess Emissions Provisions
A-16 Monitoring Data Recordkeeping and Reporting
A-17 Annual Emissions Reporting
A-18 Duty to Provide Information
A-19 Submissions
A-20Information Submittal
OPERATIONAL REQUIREIIIENTSISTANDARDS
A-21 Equipment and Control Device Operation
A-22 National Emission Standards for Hazardous Air Pollutants
A-23 Visible Emissions
A-24 Dust and Related Material

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No. 19-0 I V-021
Facility and Etnission Source Conditions and Limitations Page 3
A-25 Fugitive Dust Emission Sources
A-26 Protection of Stratospheric Ozone
A-27 Chemical Accident Prevention Provisions
A-28 Insignificant Activities
COMPLIANCE PROVISIONS
A-29 Duty to Comply with this Permit
A-30 EnforcementlVariance/Judicial Review
A-31 Duty to Comply with Other Regulations
A-32 Determination of Compliance
A-33 Compliance Certification
A-34 Permit Shield
A-35 Severability Clause
A-3 6 Enforcement Clause
B. LOCAL ONLY REQUIREMENTS
B-1
Incorrect Information and Facility Operation
B-2
Violations Prior to Effective Permit Date
B-3
Operation and Maintenance Reports
B-4
Violation of Terms or Conditions
B-5
Toxic Air Pollutants
B-6
Nuisance
B-7 Odorous Emissions
B-8 Start-up and Shut -down Excess Emissions Provisions
C. FEDERAL ONLY REQUIREMENTS
PART 2 - EMISSION SOURCE CONDITIONS AND LIMITATIONS
D. LOCAL AND FEDERAL REQUIREMENTS
D-1 Particulates from Miscellaneous Industrial Processes
D-2 Sulfur Dioxide Emissions from Combustion Sources
D-3 40 CFR 63 Subpart DDDDD - Industrial, Cormnercial, and Institutional Bailers and Process Heaters
D-4 40 CFR 63 Subpart ZZZZ - Stationary Reciprocating Internal Combustion Engines
D-5 Stationary Internal Combustion Engines

Orbit Energy Charlotte, LLC
Permit to ConstructlOperate No. 19-OIV-021
Facility and Emission Source Conditions and Limitations Page 4
D-6 New Electric Generating Units, Large Boilers, and Large UC Engines/Large Internal Combustion Engines
D-7 NSPS Subpart JJJJ - Stationary Spark Ignition Internal Combustion Engines
D-8 General Recordkeeping, Reporting and Monitoring Requirements
D-9 Excess Emissions Reporting and Malfunctions
D-10 Performance Testing Requirements
D-1 1 Noti8cation and Reporting Requirements
E. LOCAL ONLY REQU][REME,NTS
E-1 Previous Permit No.
E-2 Air Toxics Requirements
E-3 Local Notification and Reporting Requirements
F. FEDERAL ONLY REQUIREMENTS
done
Appendix A Toxic Air Pollutant Review
ATTACHMENTS
Attachment 1 Commonly Used Abbreviations and Acronyms
Attachment 2 Operational Parameters

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No. 19-0 l V-021
Facility and Emission Source Conditions and Limitations Page 5
PART 1
Facility° Conditions and Limitations

Orbit Energy Charlotte, LLC
Permit to Construct/operate No. 19-01 V-621
Facility and Emission Source Conditions and Limitations Page 6
PART 1
Facility Conditions and Limitations
The entire facility is subject to the conditions and limitations contained in Pail 1 (below). The facility skull comply with all applicable Air
Quality rules and regulations whether or not these regulations are specifically identified in the permit.
A. LOCAL AND FEDERAL REQUIREMENTS
Mecklenburg County Air Quality (MCAQ) and the United States Environmental Protection Agency (EPA) have the authority to enforce the
terms, conditions, and limitations contained in this section.
ADMIMST1tATIVE PROVISIONS
A-1. Applicability
The facility shall be operated in accordance with the Mecklenburg County Air Pollution Control Ordinance (MCAPCO) Regulations
1.5211 - "Applicability" and 1.5502 - "Applicability". An owner or operator shall have received a permit from the Department and
shall comply with the conditions of such permit before constructing, modifying or operating any air pollution source or entering into a
contract to construct or install any air cleaning device. This permit does not relieve the facility from the responsibility of acquiring any
other permits that may be required.
A-2. Permit Application
In accordance with MCAPCO Regulation 1.5548 - "Permit Content" Subparagraph (i)(16), the construction and operation of
emission sources and control devices listed in this permit shall be in accordance with all plans, specifications, operating parameters,
and other information submitted and which is the basis for the issuance of this permit. The facility shall comply with all applicable Air
Quality rules and regulations whether or not these rules and regulations are included as part of the permit.
Applications shall be submitted in accordance with MCAPCO Regulations 1.5212 - "Applications",1.5505 - "Application
Submittal Content", and 1.5507 - "Applications" and shalt be accompanied by the appropriate fee as listed in MCAPCO Regulation
1.5231 - "Air Quality Fees". The owner or operator of anew or modified facility may choose to obtain a construction and operation
permit pursuant to MCAPCO Regulation 1.5504 - "Option for Obtaining Construction and Operation Permit".
The Permittee, upon becoming aware that any relevant facts were omitted or incorrect information was submitted in the permit
application, shall promptly submit such supplementary facts or corrected information. The Permittee shall also provide additional
information as necessary to address any requirements that become applicable to the source abet the date a complete renewal
application was submitted but prior to release of draft permit.

Orbit Energy Charlotte, LLC
Permit to ConstructlCperate .No. 19-01 V-021
Facility and Emission Source Conditions and Limitations Page 7
A-3. General Duties and Powers of the Director
In accordance with MCAPCO Regulation 1.5104 - "General Duties and Powers of the Director, with Approval of the Board", the
Director or his authorized representative may request performance testing of any emission source to ensure compliance.
A4. Confidential Worrnation
In accordance with MCAPCO Regulation 1.5217 - "Confidential Information", the Permittee may request that submitted
information be treated as confidential. The Permittee must make this request at the time of submittal and include both confidential and
public copies of the information for MCAQ files.
A-5. Retention of Permit
In accordance with MCAPCO Regulation 1.5219 - "Retention of Permit at Permitted Facility", a copy of this permit shall be
retained at the facility.
A-6. Property Rights
In accordance with MCAPCO Regulation 1.5508 - "Permit Content" Subparagraph (i)(8), this permit does not convey property
rights of any sort, or any exclusive privileges.
A-7. Annual Fee Payment
In accordance with MCAPCO Regulation 1.5508 - "Permit Content" Subparagraph (i)(10), the Permittee shall pay fees required
by MCAPCO Regulation 1.5231 - "Air Quality Fees".
A-8. Inspection and Entry
In accordance with MCAPCO Regulation 1.5508 - "Permit Content" Paragraph (1), the Permittee shall allow authorized
representatives of MCAQ and the EPA to:
a, enter the Permittee's premises where the permitted facility is located or emissions -related activity is conducted, or where records
are kept by the conditions of the permit;
b. have access to and copy any records that are required to be kept by the conditions of the permit;
c. inspect any source, equipment (including monitoring and air pollution control equipment), practices, or operations regulated or
required by the permit; and
d. sample or monitor substances or parameters for the purpose of assuring compliance with the permit or applicable requirements,

Orbit Energy Charlotte, L.LC
Permit to Construct/Operate No. 19-01 V-021
Facility and Emission Source Conditions and Limitations Page 8
PERMIT CHANGES
A-9. Changes Not Requiring a Permit Modification
a. Section 502(b)(10) Changes:
Changes allowed under Section 502(b)(l 0) of the federal CIean Air Act are changes that contravene an express permit term. Such
changes do not include changes that would violate applicable requirements or contravene federally enforceable permit terms and
conditions that are monitoring (including test methods), recordkeeping, reporting, or compliance certification requirements. In
accordance with MCAPCO Regulation 1.5523 - "Changes Not Requiring Permit Revisions" Paragraph (a), the Permittee may
make changes without having this permit revised if:
1, the changes are not a modification as defined pursuant to MCAPCO Article 2.0000 or Title I of the federal Clean Air Act;
2. the changes do not cause the allowable emissions in the permit to be exceeded;
3. the Pem-i ttee notifies the Director and EPA in writing as described in MCAPCO Regulation 1.5523- "Changes Not
Requiring Permit Revisions" Subparagraph (a)(2) at least seven days before the change is made; and;
4. the Permittee shall attach the notice to the relevant permit.
b. Off -Permit Changes:
In accordance with MCAPCO Regulation 1.5523 - "Changes Not Requiring Permit Revisions" Paragraph (b), the Permittee
may make changes in his operation or emissions without revising the permit if:
1. the change affects only insignificant activities and the activities remain insignificant after the change,
2. the change is not covered by any applicable requirement, and,
3, the change would not render existing permit compliance terms and conditions irrelevant.
c. Emissions Trading:
To the extent that emissions trading is allowed pursuant to MCAPCO Article 2.0000, emissions trading shall be allowed without
permit revisions provided that:
1. all applicable requirements are met,
2. the Permittee complies with all terms and conditions of the permit in making the emissions trade, and,
3. the Permittee notifies the Director and EPA with written notification as described in. MCAPCO Regulation 1.5523 -
"Changes Not Requiring Permit Revisions" Subparagraph (c)(3) at least seven days before making the emissions trade.
A-10. Permit Modifications and Administrative Amendments
a. Administrative Permit Amendments shall be made in accordance with MCAPCO Regulation 1.5514 - "Administrative Permit
Amendments".
b. Transfer of Ownership or Operation:
Transfer of ownership or operations shall be made in accordance with MCAPCO Regulation 1.5524 - "Ownership Change"
which states that applications for ownership change shall contain information as required in MCAPCO Regulation 1.5505 -
"Applieation Submittal Content" Paragraph (4) and shall follow the procedures described in MCAPCD Regulation 1.5212 -
"Applications" Paragraph (e).

Orbit Energy Charlotte, LLC
Permit to Construct/OperateNo. 19-01V-021
Facility and Emission Source Conditions and Limitations Page 9
c. Minor Permit Modifications shall be made in accordance with MCAPCO Regulation 1.5515 - "Minor Permit Modifications".
d. Significant Permit Modifications shall be made in accordance with MCAPCO Regulation 1.5516 - "Significant Permit
Modification".
A-11. Reopening for Cause
In accordance with MCAPCO Regulation 1.5517 - "Reopening for Cause", Paragraph (a), a permit shall be reopened and revised
under the following circumstances:
a. additional requirements become applicable to a facility with a remaining permit term of three or more years. Such a reopening
shall be completed no later than 18 months after promulgation of the applicable requirement, and no such reopening is required if
the effective date of requirement is later than the expiration date of this permit;
b. MCAQ or EPA finds that the permit contains a material mistake or that inaccurate statements were made in establishing the
emissions standards or other terms or conditions of the permit; or
c. MCAQ or EPA determines that the permit roust be revised or revoked to assure compliance with the applicable requirements.
A-12. Termination, Modification, Revocation of Permits
A permit may be terminated, revoked, or modified as outlined in MCAPCO Regulations 1.5232 - "Issuance, Revocation, and
Enforcement of Permits", 1.5231 - "Air Quality Fees", and/or 1.5519 - "Termination, Modification, Revocation of Permits".
In accordance with the above -referenced regulations, MCAQ may terminate, modify, or revoke and reissue a permit if:
a. the information contained in the application or presented in support thereof is determined to be incorrect;
b. the regulations or conditions under which the permit or permit renewal was granted have changed,
c. permit conditions have been violated;
d. construction of the permitted equipment does not commence within t8 months of permit issuance or, once construction has
begun, it ceases prior to completion for a period of 18 consecutive months;
e. operation of a permitted facility or process ceases permitted activities for aperiod of 19 consecutive months;
f. the permit holder fails to pay fees required within 30 days after being billed;
g. the Permittee refuses to allow the Director or authorized representative to enter the premises where a source of emissions is
located, have access to records required to be kept by the terms and conditions of the permit, inspect any source of emissions,
control equipment, and monitoring equipment or methods required in the permit, or collect samples from any emission source; or,
h. the EPA requests that the permit be revoked pursuant to 40 CFR Part 70.7 (g) or 70.8(d).
A-13. Permit Renewal and Expiration
In accordance with MCAPCO Regulation 1.5513 - "Permit Renewal and Expiration", permit expiration shall terminate the
facility's right to operate unless a complete renewal application has been submitted at least six months before the date of permit
expiration. To ensure the application is timely and complete, the renewal application shall be submitted one year prim' to the permit
expiration date. The renewal application should include the complete application forms for all permitted equipment and any

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No. 19-01 V-021
Facility and Emission Source Conditions and Limitations Page 10
modifications. Permits being renewed are subject to the procedural requirements of MCAPCO Section 1.5500 - "Title V
Procedures", including those for public participation and affected States and EPA review. Upon receipt of a timely and complete
application for renewal, the Perrnittee may continue to operate under the conditions of this permit, subject to final action by MCAQ on
the renewal application. If a complete renewal application is not received as required, the permit will expire: at the end of its term.
NOTIRCATIONS AND REPORTS
A-14. Commencement of Operation
The facility shall be operated in accordance with MCAPCO Regulation 1.5214 - "Commencement of Operation". Upon
completion of construction, alteration or installation pursuant to this permit, the permit holder shall notify the Director in writing of
such completion and of the holder's intent to commence operation.
A-15. Malfunction and Excess Emissions Provisions:
In accordance with MCAPCO Regulation 1.5508 - "Permit Content" Subparagraph (f)(2), the Permittee shall report malfunctions,
emergencies, and other upset conditions promptly as prescribed in MCAPCO Regulations 2.0524 - "New Source Performance
Standards", 2.0535 - "Excess Emissions Reporting and Malfunctions" (except Paragraph (g)), 2.1110 - "National Emission
Standards for Hazardous Air Pollutants", or 2.1111- "Maximum Achievable Control Technology".
The permittee shall report to the Director within two business days after becoming aware of any deviation not covered by MCAPCO
Regulations 2.0524 - "blew Source Performance Standards", 2.0535 - "Excess Emissions Reporting and Malfunctions" (except
Paragraph (g)), 2.1110 - "National Emission Standards for Hazardous Air Pollutannts", or 2.1111 - "Maximum Achievable
Control Technology"
All reports of deviations and excess emissions shall be certified by a responsible official. After a malfunction or breakdown has been
corrected, the Director may require the source to conduct a performance test to demonstrate compliance.
MCAPCO Regulation 105.35 — "Excess Emissions Reporting and Ma ylunetions" Paragraph (g) is not a SIP enforceable provision
and therefore the conditions and allowances allowed therein are considered as Local only requirements (see Facility Condition
and Limitation No. P-8).
A-16. Monitoring Data Recordkeeping and Reporting
In accordance with MCAPCO Regulation 1.5508 - "Permit Content" Paragraph (f):
a. The Permittce shall retain records of all required monitoring data and supporting information for a period of at least five years
from the date of the monitoring sample, measurement, report, or application. (Supporting information includes all calibration anal
maintenance records and all original strip -chart recordings for continuous monitoring instrumentation and copies of all reports
required by the permit.)

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No. 19-01V-021
Facility and Emission Source Conditions and Limitations Page 11
b. The Permittee shall submit Teports of any required monitoring as listed in Part 2 of this Permit to MCAQ at least every six
months. The reports should include a summary of data and observations, identification of any deviations from normal operating
parameters, and any corrective action taken to return the monitored emission source to normal operating conditions. Formal
operating parameters shall be determined from information on file and any operating ranges listed in Part 2 of this permit.
A-17. Annual Emissions Reporting
In accordance with MCAPCO Regulation 1.5508 - "Permit Content" Subparagraph (i)(14), the Permittee shall submit amival
reports of actual and potential emissions as required pursuant to MCAPCO Regulation 1.5.111 - "General Recordkeeping,
Reporting and Monitoring Requirements" and as specified in the Permit.
A-18. Duty to Provide Information
In accordance with MCAPCO Regulation 1.5508 - "Permit Content" Subparagraph (i)(9), the Permittee shall furnish to MCAQ,
in a timely manner, any information that MCAQ may request in writing to determine whether cause exists for modifying, revoking
and reissuing, or terminating the permit or to determine compliance with the permit. The Permittee shall furnish to MCAQ copies of
records required to be kept by the permit when such copies are requested by the Director.
A-19. Submissions
In accordance with MCAPCO Section 1.5500 - "Title V Procedures", any document submitted shall be certified by a responsible
corporate official as being true, accurate and complete. Reports, test data, monitoring data, notifications and requests for renewal shall
be submitted to:
Director
Mecklenburg County Air Quality
2145 Suttle Avenue
Charlotte, NC 28208-5237
A-20. Information Submittal
The owner- or operator shall submit all reports or information as may be required by MCAQ.
OPERATIONAL REOUIREMENTSISTANDARDS
A-21. Equipment and Control Device Operation
Unless otherwise specified by this permit, no equipment may be operated without the concurrent operation of the permitted air
emissions control devices.
A-22. National Emission Standards for Hazardous Air Pollutants

Orbit Energy Charlotte, LLC
Permit to Constnict/Operate Flo. 19-a1V-021
Facility and Emission Source Conditions and Limitations Page 12
The facility shall be operated in accordance with MCAPCO Regulation 2.1110 - "National Emission Standards for Hazardous
Air Pollutants", which refers to Title 40 of the Code of Federal Regulations Part 61.140 to 61.157, Subpart M, National Emission
Standard for Asbestos, when conducting any renovation or demolition activities.
A-23. Visible Emissions
The facility shall be operated in accordance with MCAPCO Regulation 1.5107 - "Control and Prohibition of Visible Emissions",
such that visible emissions shal l not be more than 20% opacity for an aggregate of more than six (6) minutes in any one hour or more
than twenty (20) minutes in any 24-hour period.
Facilities subject to a visible emission standard as specified by applicability to MCAPCO Regulations 2.0524 - "New Source
Performance Standards", or 2.1110 - "National Emission Standards for Hazardous Air Pollutants", shall comply with the more
stringent standard, but, in no case shall the source's visible emissions exceed 20% opacity.
A-24. Dust and Related Material
The facility shall be operated in accordance with MCAPCO Regulation 1.5108 - "Dust and Related Material", such that dust shall
not be discharged into the atmosphere in such quantities that the arnbient air quality standards are exceeded at the property line or in
such quantities or of such toxic or corrosive nature that may be injurious to humans or animals or may cause damage to the property of
others.
A-25. Fugitive Dust Emission Sources
As required by MCAPCO Regulation 2.0540 - "Particulates from Fugitive Dust Emission Sources", the permittee shall not cause
or allow fugitive dust emissions to cause or contribute to substantive complaints.
a, If fugitive dust emissions cause or contribute to substantive complaints, the permittee shall:
1. within 30 days upon receipt of written notification from the Director of a second substantive complaint in a 12-month
period, submit to the Director a written report that includes the identification of the probable source(s) of the fugitive dust
emissions causing complaints and what immediate measures can be made to abate the fugitive emissions;
2. within 60 days of the initial report submitted under Subparagraph (1) of this Paragraph, submit to the Director a control
plan as described in Paragraph (f)-of this Regulation; and
3, within 30 days after the Director approves the plan, be in compliance with the plan.
b. The Director may require that the permittee develop and submit a fugitive dust control plan as described in MCAPCO 2.0540(0
if..
1. ambient air quality measurements or dispersion modeling as provided in Paragraph (e) of MCAPCO Regulation 2.1106 —
"Determination of Ambient Air Concentrations" show violation or potential for a violation of an ambient air quality
standard for particulates in MCAPCO Section 2.0400 - "Ambient Air Quality Standards"; or

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No. l 9-U 1 V-021
Facility and Emission Source Conditions and Limitations Page 13
2. if MCAQ observes excessive fugitive dust emissions from the facility beyond the property boundaries for six minutes in
any one hour using Reference Method 22 in 40 CFR 60, Appendix A.
A-26. Protection of Stratospheric Ozone
In accordance with MCAPCO Regulation 1.5501- "Purpose of Section and Requirement for a Permit" Paragraph (d), the
Peimittee is subject to all the applicable requirements and standards for recycling and emissions reduction pursuant to:
a. 40 CFR Part 82, Subpart F - "Recycling and Emissions Reduction" including the following:
1. persons opening appliances for maintenance, service, repair, or disposal must comply with the required practices pursuant 40
CFR 82.156;
2. equipment used during the maintenance, service, repair, or disposal of appliances must comply with the standards for
recycling and recovery equipment pursuant to 40 CFR 82.158;
3. persons performing maintenance, service, repair, or disposal of appliances must be certified by an approved technician
certification program pursuant to 40 CFR 82.161;
4. persons disposing of small appliances, motor vehicle air conditioners (ivlVACs), and MVAC-like appliances (as defined in
40 CFR 82.152) must comply with recordkeeping requirements pursuant to 40 CFR 82.166;
5. persons owning commercial or industrial process refrigeration equipment must comply with the leak repair requirements
pursuant to 40 CFR 82.156; and
6. owners/operators of appliances normally containing 50 or more pounds of refrigerant must keep records cfreffigerant
purchased and added to such appliances pursuant to 40 CFR 82.166; and,
b. 40 CFR Part 82, Subpart B -"Servicing of Motor Vehicle Air Conditioners", if the facility maintains, services, repairs, or
disposes of 1v1VACs.
A-27. Chemical Accident Prevention Provisions
In accordance with 40 CFR Part 68.215 - "Permit Content and Air Permitting Authority or Designated Agency Requirements",
any stationary source subject to the Cherical Accident Prevention Provisions of 40 CFR Part 68 shall comply with such provisions,
including but not limited to the submittal of a Risk Management Plan (Subpart G) .
A-28. Insignificant Activities
The facility shall be operated in accordance with MCAPCO Regulation 1.5508 -`Permit Content', Smbparagrapbs (i)(15) and
(i)(16) such that all insignificant activities as defined in MCAPCO Regulation 1.5503 - "Definitions" shall be included in the permit
and shall comply with any applicable requirement in MCAPCO.
COMPLIANCE PROVISIONS
A-29. Duty to Comply with this Permit

Orbit Energy Charlotte, LLC
Permit to Construct/operate No. 19-01 V-021
Facility and Emission Source Conditions and Limitations Page 14
In accordance with MCAPCO Regulation 1.5508 - "Permit Content" Subparagraph (i)(3), noncompliance with any term,
condition, or limitation of this permit is grounds for enforcement action; for permit termination, revocation and reissuance or
modification; or for denial of a permit renewal application.
In accordance with MCAPCO Regulation 1.5508 - "Permit Content" Subparagraph (i)(4), a Permittee shall not claim that it
would have been necessary to halt or reduce the pein-litted activity in order to maintain compliance with the conditions of this permit
as a defense in an enforcement action.
A-30. Enforcement/Variances/Judicial Review
Violation of any applicable MCAPCO regulation or condition listed herein could result in administrative fines and/or legal action as
prescribed in MCAPCO Section 1.5300 - "Enforcement; Variances; Judicial Review".
A-31. Duty to Comply with Other Regulations
This permit does not relieve the Permittee of the responsibility of complying with all applicable requirements of any Federal, State, or
local water quality or land quality control authority.
A-3.2. Determination of Compliance
This permit contains provisions which require a specific test method, monitoring, or recordkeeping to he used as a demonstration of
compliance with permit limits, but are not intended as the only means of demonstration or certifying compliance with permit limits.
Unless otherwise specified, the averaging times for all specified emission standards are tied to or based on the rLm time of the test
method(s) used for determining compliance. Compliance with MCAPCO, including the specific conditions herein, shall be
deterniined by source testing, surveillance, visual observations, data review, plant inspections, and any other credible evidence.
A-33. Compliance Certification
In accordance with MCAPCO Regulation 15508 - "Permit Content" Paragraph (n), the Permittee shall submit to MCAQ and
EPA by April 30 of each year, a compliance certification by -a responsible official with all terms and conditions in the permit,
including emissions limitations, standards, and work practices. The certification shall specify:
a. the identification of each term or condition of the permit that is the basis of the certification;
b. the compliance status as shown by monitoring data and other information reasonably available to the Permittee;
c, whether compliance was continuous or intermittent;
d. the methods used for determining the compliance status of the source, currently and over the reporting period; and,
e. such other facts as the permit may specify to determine the compliance status of the source.
The compliance certification shall identify each deviation and take it into account in the compliance certification. The compliance
certification shall comply with additional requirements as may be specified under Sections 114(a)(3) or 504(b) of the federal Clean
Air Act.

Orbit Energy Charlotte, LLC
Permit to Canstruc#ICperate No. 19-UIV-021
Facility and Emission Source Conditions and Limitatioas Page 15
All compliance certifications shall be submitted to MCAQ and the EPA at the following addresses:
Director and
Mecklenburg County Air Quality
2145 Suttle Avenue
Charlotte, NC 28208-5237
Environmental Protection Agency
Attn: APTMD Air & EPCRA Enforcement Branch
Atlanta Federal Center
51 Forsyth Street, SW
Atlanta, GA 30303-3104
In accordance with MCAPCO Regulation 1.5520 - "Certification by Responsible Official", a responsible official shall certify the
truth, accuracy, and completeness of the compliance certification. The certification shall state that, based on information and belief
formed after reasonable inquiry, statements and information in the document are true, accurate. and complete.
A-34. Permit Shield
In accordance with MCAPCO Regulation 1.5512 - "Permit Shield and Application Shield", and pursuant to the terms, conditions,
and limitations of this pennit, the facility shall be deemed in compliance with all applicable requirements as of the date of permit
issuance except as follows:
a. This permit shield shall not apply to any change made at this facility that does not require a permit revision.
b. This permit shield shall not extend to minor permit modifications made pursuant to MCAPCO Regulation 1.5515 - "Minor
Permit Modifications".
c. Nothing in this permit shall alter or affect:
1. the power of the Director, Mecklenburg County Air Quality under NCGS 143-215.112 or MCAPCO or EPA under Section
303 of the federal Clean Air Act;
2. the liability of an owner or operator of a facility for any violation of applicable requirements prior to or at the time or permit
issuance;
3. the applicable requirements under Title IV; or
4. the ability ofMCAQ (or EPA pursuant to Section 114 of the federal Clean Air Act) to obtain information to determine
compliance of the facility with its permit.
A-35. Severability Clause
In accordance with MCAPCO Regulation 1.5508 - "Permit Content" Subparagraph (i)(2), the provisions of this permit are
severable, Upon any administrative or judicial challenge, or if any provision of this permit is held invalid, all permit requirements,
except those being challenged, will remain valid and enforceable.

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No. 19-0 l V-02l
Facility and Emission Source Conditions and Limitations Page 16
A-36. Enforcement Clause
In accordance with MCAPCO Regulation 1.5508 - "Permit Content" Subparagraph (i)(3), noncompliance with any condition of
the permit is grounds for enforcement action. In addition, noncompliance with any condition may result in permit termination,
revocation and reissuance, modification, or denial of a permit renewal application.
In accordance with MCAPCO Regulation 1.5508 - "Permit Content" Subparagraph (i)(4), the Permittee may not use as a defense
in an enforcement action that it would have been necessary to halt or reduce the permitted activity in order to maintain compliance
with the conditions of this permit.
B. LOCAL, ONLY REQUIREMENTS
Only Mecklenburg County Air Quality (CAQ) has the authority to enforce the terms, conditions, and limitations contained in this section.
The EPA does not have the authority to enforce the terms. conditions, and limitations contained in this section.
B-1. Incorrect Information and Facility Operation
This permit is subject to revocation or modification by MCAQ upon a determination that information contained in the application or
presented in the support thereof is incorrect, conditions under which this permit was granted have changed, or violations of conditions
contained in this permit have occurred. The facility shall be properly operated and maintained at all times in a manner that will effect
an overall reduction in air pollution. Unless otherwise specified by this permit, no emission source may be operated without the
conc►arrent operation of its associated air pollution control device(s) and appurtenances.
B-2. Violations Prior to Effective Permit Date
This issuance of this permit in no way absolves the Permittee of liability for any potential legal action and/or penalties which may be
assessed for violations of local regulations which have occurred prier to the effective date of this permit.
B-3. Operation and Maintenance Reports
Reports on the operation and maintenance of the facility shall be submitted by the Permittee to the Director, Mecklenburg County Air
Quality at such intervals and in such form and detail as may be required by MCAQ, Information required in such reports may include,
but is not limited to, process weight rates, firing rates, hours of operation, and preventive maintenance schedules.
B4. Violation of Terms or Conditions
A violation of any Locally enforceable term or co»dition of this permit shall subject the Permittee to enforcement pursuant to
MCAPCO Section 1.5300 - "Enforcement; Variances; Judicial Review", including assessment of civil penalties.

Orbit Energy Charlotte, LLC
Permit to Consrwt/Operate No. 19-01V-021
Facility and Emission Source Conditions and Unitations Page 17
B-5. Toxic Air Pollutants
In accordance with MCAPCO Section 1.5700 - "Toxic Air Pollutant Procedures" and/or MCAPCO Regulation 2.1104 - "Toxic
Air Pollutant Guidelines", the toxic air pollutants (TAP) emitted by existing processes have been reviewed for regulatory
applicability by MCAQ. If applicable, Appendix A lists the relevant permits and associated TAPS.
In accordance with MCAPCO Regulations 1.5111 - "General Recordkeeping, Reporting and Monitoring Requirements", 2.0605
— "General Recordkeeping and Reporting Requirements", and/or 2.0903 - "Recordkeeping: Reporting: Monitoring", the
facility shall report any process additions, modifications or deletions which affect the emissions of any TAP listed in MCAPCO
Section 1.5700 - "Toxic Air Pollutant Procedures" as prescribed by the following:
a. If the process modifications will result in a facility -wide TAP emission rate that exceeds the rate listed in MCAPCO Regulation
1,5711— "Emission Rates Requiring a Permit" for any TAP, apply and receive an air toxics permit before the process
modification occurs; or
b. If the process modifications will result in facility -wide TAP emission rates that are below the rates listed. in MCAPCO
Regulation 1.5711- "Emission Rates Requiring a Permit", submit the new emission rates to MCAQ 15 days prior to the initial
change; or
c. If the process modifications will not result in a net TAP emission increase, provide MCAQ with demonstration (15 days prior to
the initial change) that the proposed modification will not result in a net TAP emission increase a# the facility.
The facility is required to maintain documentation such that upon request by MCAQ, the facility can make a demonstration that
facility -wide emissions of TAPS have or have not exceeded the rates listed in MCAPCO Regulation 1.5711.
E-6. Nuisance
The facility shall be operated in accordance with MCAPCO Regulation 1.5109 - "Nuisance". The source shall not discharge any air
contaminants or other material to cause injury, detriment, nuisance, annoyance, or endanger the comfort, repose, health or safety of the
public or property.
B-7. Odorous Emissions
The facility shall be operated in accordance with MCAPCO Regulation 1.5110 - "Control and Prohibition of Odorous
Emissions". The owner or operator of a facility shall not operate the facility without implementing management practices or
installing and operating odor control equipment sufficient to prevent odorous emissions from the facility from causing or
contributing to objectionable odors beyond the facility's boundary.
If the Director determines that a source or facility is emitting an objectionable odor, the owner or operator shall be responsible for:
providing the maximum feasible control determination according to the procedures in MCAPCO Regulation 1.5113 -
"Determinatioo of Maximum Feasible Controls for Odorous Emissio s", and
implementing maximum feasible controls for the control of odorous emissions.

Orbit Energy Charlotte, LLC
Permit to Construct/Operate Na. 19-01 V-021
Facility and Emission Source Conditions and Limitations Page 18
B-8. Start-up and Shut -down Excess Emissions Provisions
In accordance with 1NCAPCO Regulation 2.0535 — "Excess Emissions Reporting and Malfunctions" Paragraph (g), excess
emissions during start-up and shut -down shall be considered a violation, if the owner or operator cannot demonstrate that the excess
emissions are unavoidable. The Director shall determine if excess emissions are unavoidable considering the items listed in this
Regulation. The owner or operator shall operate the source and control and monitoring equipment in a manner to minimize emissions
during start-up and shut -dawn.
C. FEDERAL ONLY REQUIItEMENTS
Only the EPA has the authority to enforce the terms, conditions, and limitations contained in this section. Mecklenburg County Air Quality
does not have the authority to enforce the terms, conditions, and Iimitations contained in this section.
THERE ARE NO FEDERAL ONLY REQUIREMENTS FOR THIS PERMIT -

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No. 19-01 V-021
Facility and Emission Source Conditions and Limitations Page 19
PART 2
Emission Source Conditions and Limitations

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No, 19-01V-021
Facility and Emission Solace Conditions and Limitations Page 20
PANT 2
Emission Source
Conditions and Limitations
In accordance with MCAPCO Section 1.5500 27itle V Procedures", the facility shall comply with all applicable rules and regulations whether or not
these tiles and regulations are specifically identified in the permit. The emission sources and control devices listed in the following table are subject to
the Emission Source Conditions and Limitations contained in Part 2 as referenced in the table.
Installation
Control Device
Emission Source Conditions and Limitations
Emission
(1)
Control
Unit or Method
Source
Emission Source Description
(type, manufacturer and capacity)
Modification
Devise
(type, model,
Local and
Federal
Local Only
Federal Only
)
ID
manufacturer,
installutian I
Requirements
Requirements
Requirements
Dates
mod iFicatton
Three (3) Combined Heat and Power units
each with a Lean Burn, Spark Ignition, Internal
Cornbustion Engine burning digester gas
including;
- CHINI : One (1 ) 2,000 kW (2,682 BHP)
D-4, D-5, D-6,
1= 2014
None
None
13-7, D-8, D-10,
E-1
None
ES-1
engine.
- CHP-2: One (1) 2,000 kW (2,682 B11P)
D-1 l
engine.
- CHP-3: One (1) 1200 kW (1,09 BHP)
engine.
Two (2) safety torches to flare residual gas
1= 2014
from the digesters during CHP maintenance.
M = 2017
None
None
D-2, D-11
E-1
None
Two (2) two-
CD-DBDI
stage Spray
ES-2
Two (2) Solid Fraction Digestate Belt Dryers
1= 2015
& .
Scrubbers for
D-I, D-8, D-9,
E-1, E-2, E-3
None
CD-DBD2:
Ammonia, PM
D-I I
and VOC control
IA ES-3
One (1) 4.12 mrnBtulhr boiler burning biogas
I = 2018
Norse
None
D-3, D-8D-10
E-1
None
and natural as,
,
IA
Biosqueezer with biGEher and wet scrubber for
I = 2014
None
None
None
E-1
None
odor control
IA
Wastewater Treatment
1-2014
None
None
None
E-1
None

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No. 19-D1 V-021
Facility and Emission Source Conditions and Limitations Page 21
ALTERNATIVE OPERATING SCENARIOS
The following alternative operating scenarios (AOS) may he implemented by the facility without providing notification to MCAQ.
Emission
Source
Emission Source
Description
Alternative
Operating
AOS Description
Emission Source Conditions and Limitations
Local and
Local
Federal
ID
Scenario No.
Federal
Requirements
Requirements
Requirements
None
NOTE: if au alternative operating scenario ineiudes construction or installation of new equipment (equipment not currently un-site), the new equipment will be subject to MCA PCO Regulation
1.5232- "Issuauce, Revocalion, and Enforcement of Permits" Subparagraph tnl(5) which states is part. if "construction of the permi[fed equipment does not commence within 18 months of pit
issuance of ranee construction has begun, it ceases prior to completion For a period of 18 consecutive mouths", the permit may be revoked or modified.

Orbit Energy Charlotte, LLC
Permit to Construc;UOperate No. 19-01 V-021
Facility and Emission Source Conditions and Limitations Page 22
EMISSION SOURCE CONDITIONS AND LEMTATIONS
D. LOCAL AND FEDERAL REQUIREMENTS
Mecklenburg County Air Quality ("MCAQ") and the United States )gin'vironmental Protection Agency ("EPA") have the authority to enforce
the terms, conditions, and limitations contained in this section.
D-L The facility shall be operated in accordance with MCAPCO Regulation 2.0515 - "Particulates from Miscellancous Industrial Processes'*,
such that particulate emissions from any stack, vent or outlet shall not exceed the allowable emission rate. The allowable emission rate shall be
UCLUJILLncu UNIRV, uIc aunraur14LC rUrinura ueiow:
E=4.10*post
For process weight rates greater than 30 torWhr the following formula shall be used:
E=55.0*post-40
E = rnaxiinum allowable emission rate for particulate rnatter In Ibs/hr
P— process rate in tonslhr
D-2. The facility shall be operated in accordance with MCAPCO Regulation 2.0516 - "Sulfur Dioxide Emissions from Combustion Sources",
such that sulfur dioxide emissions from any venf stack or chimney shal I not exceed 2.3 pounds per million Btu input.
D-3. The facility shall be operated in accordance with MCAPCO Regulation 2.I111 - "Maximum Achievable Control Technology" and 40 CFR
Part 63 - "National Emission Standards For Hazardous Air Pollutants For Source Categories". The requirements are stated in 40 CFR
63.1 to 63.15 Subpart A - "General Provisions", and 40 CFR 63.7480 to 63.7575 (including Tables) Subpart DDDDD - "NationaI Emission
Standards for Hazardous Air Pollutants for Major Sources: Industrial, Commercial, and Institutional Boilers and Process Heaters",
which includes the following pertinent sections:
A. 63.7480 — "What is the purpose of this subpart?"
B. 63.7485 — "Am I subject to this subpart?"
This section states in part that you are subject to this subpar) if you own or operate a mi industrial commercial, or institutional boiler or
process heater that is located at a major source of HAP emissions.
C. 63.7490 — "What is the affected source of this subpart?"
D. 63.7491 — "Are any boilers or process heaters not subject to this subpart?"
E. 63.7495 — "When do I have to comply with this subpart?"
The compliance date for existing boilers or process heaters is January 31, 2016 New boilers or process heaters (commenced construction
after .fame 4, 2010) must demonstrate compliance by January 31, 2013 or upon startup, whichever is later.
F, 63,7499 — "What are the subcategories of boilers and process heaters?"
& 63.7500 — "What emission limitations, work practice standards, and operating limits must I meet?"
Tables 1, 2, 3, 4, 12 and 13 outline emission limits, work practice standards, and operating limits.
H. 63.7501— "Haw can I assert an affirmative defense if I exceed and emission limitation during a malfunction?"
1. 63.7505 — "What are my general requirements for complying with this subpart?"

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No. 14-01V-021
Facility and Emission Source Conditions and Limitations Page 23
J. 63.75tO — "What are my initial compliance requirements and by what date must I conduct them?"
K. 63.7515 — "When must I conduct subsequent performance tests, fuel analyses, or tune-ups?"
L. 63.7520 — "What stack tests and procedures must I use?"
M_ 63.7521—"What fuel analyses, fuel specification, and procedures must I use?"
N. 63.7522 — "Can I use emissions averaging to comply with this subpart?"
Q. 63.7525 — "What are my mouitoring, installation, operation, and maintenance requirements?"
P. 63.7530 — "How do I demonstrate initial compliance with the emissions limitations, fuel specifications, and work practice
standards?"
Q. 63.7533— "Can I use emission credits earned from implementation of energy conservation measures to comply with this subpart?"
R, 63.7535 —"How do I monitor and collect data to demonstrate continuous compliance?"
S. 63.7540 — "How do I demonstrate continuous compliance with the emissions limitations, fuel specifications, and work practice
standards?"
T. 63.7541— "How do I demonstrate continuous compliance under the emissions averaging provision?"
U. 63.7545 — "What notifications roust I submit and when?"
V. 63.7550 — "What reports must I submit and when?"
W. 63.7555 — "What records must I keep?"
X. 63.7560 -- "In what form and how long ;oust I keep my records?"
Y. 63.7565 — "What parts of the General Provisions apply to the?"
Z. 63.7570 — "Who implements and enforces this subpart?"
AA. 63.7575 — `°What definitions apply to this subpart?"
D4. The facility shall be operated in accordance with MCAPCO Regulation 2.1111 -"Maximum Achievable Control Technology" and 44 CFR
Part 63 - "National Emission Standards For Hazardous Air Pollutants For Source Categories." The requirements are stated in 40 CFR
63.1 to 63.15 Subpart A - "General Provisions", and 40 CFR 63.6580 to 63.6675 Subpart ZZZZ - "National Emission Standards from
Stationary Reciprocating Internal Combustion Engines" (RICE), inducting but not limited to:
A. 63.6580 — "What is the purpose of subpart ZZZZ?"
B. 63.6585 - "Am I subject to this subpart?"
This section states in part that you are subject to this subpart if you own or operate a stationary RICE at a major or area source of HAP
emissions.
C. 63.6590 — "What parts of my plant does this subpart cover?"
Portions of this section define existing, nov, and reconstructed stationary RICE for the purpose of determining emission control
requirements, An a ected source that is anew or reconstructed stationary RICE located at an area source must meet the requiremenis of
this subpart by meeting the requirements of 40 CFR 60 Subpart IHI,, for compression ignition engines, or 40 CFR 60 Subpart JJJJ,, for
spark ignition engine.
D. 63.65" — "Wbeu do I have to comply with this subpart?"
Porlions of this section require that the owner or operator of a new or reconstructed source comply with the requirements of this subpart
by January 18, 2008 if .startup of the source is before that date, and on stw-tup if startup of the source is after flint date. An owner or
operator of a souvee that is an existing non -emergency stationary RICE with a site rating of `afore than 500 brake HP located at a major

Orbit Energy Charlotte, LLC
Permit to ConstruW0perate No, 19-01 V-021
Facility and Emission Source Conditions and Limitations Page 24
sow-ce, an existing stationary RICE with a site rating of less than or equal to SOD brake BP located at a majorsource, or are existing
stationary RICE located at an area source must comply u4h the requiremems of this subpard no later than May 3, 2013.
E. 63.6600 — "What emission limitations and operating limitations m ust I meet if I own or operate a stationary RICE with a site
rating of more than 500 brake HP located at a major source of HAP emissions?"
F. 63.6601 — "What emission limitations must I meet if I own or operate a 4SLB stationary RICE with a site rating of greater than or
equal to 250 brake HP and less than 500 brake HP Iocated at a major source of HAP emissions?"
G, 63.6602. —"What emission limitations must I meet if I own or operate an existing stationary CI RICE with a site rating of equal to
or less than 500 brake HP located at a major source of HAP emissions?"
H. 63.6603 — "What emission limitations and operating limitations must I meet if I own or operate an existing stationary CI RICE
located at an area source of HAP emissions?"
1. 63.6604 — "What fuel requirements must I meet if I own a operate an existing stationary CI RICE?"
J. 63.6605 — "What are my general requirements for complying with this subpart?"
K. 63.6610 — "By what date must I conduct the initial performance tests or other initial compliance demonstrations if I own or operate
a stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions?"
L. 63.6611— "By what date must I conduct the initial performance tests or other initial compliance demonstrations if I own or
operate a 4SLB SI stationary RICE with a site rating of greater than or equal to 250 and less than or equal to 500 brake HP located
at a major source of HAP emissions?"
M, 63.6612 — `By what date must I conduct the initial performance tests or other initial compliance demonstrations if I own or
operate an existing stationary RICE with a site rating of less than or equal to 500 brake HP located at a major source of HAP
emissions or an existing stationary RICE located at an area source of HAP emissions?"
N. 63.6615 — "When must I conduct subsequent performance tests?"
O. 63.6620 — "What performance tests and other procedures must I use?"
P. 63.6625 — "What are my monitoring, installadion, operation, and maintenance requirements?"
Q. 63.6630 — "How do I demonstrate initial compliance with the emission limitations and operating limitations?"
R. 63.6635 — "How do I monitor and collect data to demonstrate continuous compliance?"
& 63.6640 — "Howe do I demonstrate continuous compliance with the emission limitations and operating limitations?"
T. 63.6645 — "What notifications must I submit and when?"
U. 63.6650 — "What reports must I submit and when?"
V. 63.6655 — "What records must I keep?"
W. 63.6660 — `°In what form and how long must 1 keep my records?"
X. 63.6665 -- "What parts of the General Provisions apply to me?"
Y. 63.6670 —"Who implements and enforces this subpart?"
Z. 63.6675 — "What definitions apply to this subpart?"
D-5. Tile 1200 kW CHP shall be operated in accordance witty MCAPC4 Regulation 2.1409 - "Stationary Internal Combustion Engines," which
includes the following:
The owner or operator shall not allow emission of NO, from the stationary internal combustion engine to exrseed the following limitations:

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No. 19-01 V-021
Facility and Emission Source Conditions and Limitations Page 25
MAXINfUM ALLOWABLE NOx EAUSSION RATES FOR STATIONARY INTERNAL COMBUSTION ENGINES
(GRAMS PER HORSEPOWER HOUR)
Endue Type
Fuel Type
Limitation
Rich -burn
Gaseous
2.5
Lean -burn
Gaseous
2.5
Compression Ignition
Liquid
8.0
Compliance shall be demonstrated based on MCAPCO Regulation 11409, Paragraph (f) which states in part:
(f) If a stationary internal combustion engine is permitted to operate more than 475 hours during the ozone season, compliance with the
limitation established for a stationary internal combustion engine under Paragraph (b) of this Reguiation shall be determined using annual
source testing according to MCAPCO Regulation 2.1415 -"Test Methods and Procedures".
D-6. The 2000 kW CHPs shall be operated in accordance with MCAPCO Regulation 2.1418 - "New Electric Generating Units, Large Boilers,
and Large VC Engines" and MCAPCO Regulation 2.1423 — "Large Internal Combustion Engines," which include the following:
A. The owner/operator shall not cause, allow, or permit nitrogen dioxide emissions to exceed the appropriate standard beginning May 1 and
ending September 30 of each year:
Engine Type
Nitrogen Dioxide limitation in parts per million corrected to 15% parts permillivn by volurne (ppmv) stack gas
ox en on a dry basis averaged over a rolling 30-dayeriod, as may be adjusted based on engine efficiency
Rich -burn
110
Lean -burn
125
Diesel
175
Dual fuel
125
Except during periods of start-up, shut -down, and malfunctions, not to exceed thirty-six (36) consecutive hours, or during regularly
scheduled maintenance activities.
In accordance with MCAPCO Regulation 2,1423, Subparagraph (d)(2), compliance shall be demonstrated by using an alternate calculated
and recordkeeping procedure based on actual emissions testing and correlation with operating parameters.
B. The facility shall monitor and record the following information for the subject internal combustion engines for each day the engines operate:
- Identification and location of the engine;
- Time and date of the record;
- Number of hours the engine operated during each day, including start-ups, shut -downs, and malfunctions, and the type and duration of
maintenance and repairs;
- Date and results of each emissions inspection;
A summary of any erissions corrective maintenance taken; and,
- Results of all compliance tests.

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No. 19-01 V-021
Facility and Emission Source Conditions and Limitations Page 26
The owner or operator of a stationary internal combustion engine subject to this Regulation shal l maintain all records necessary to demonstrate
compliance with the Regulation for two calendar years at the facility at which the engine is located. The accords shall be made available to the
Director upon request.
D-7. The facility shall be operated in accordance with MCAPCQ Regulation 2.0524 - "New Source Performance Standards". The requirements
are stated in 40 CFR 60.t to 60.19, Subpart A- "General Provisions", and 40 CFR 60.4230 to 60.4248, Subpart 3JJJ - "Standards of
Performance for Stationary Spark Ignition Internal Combustion Engines" ("S1 ICE") which includes the following pertinent sections:
A. 60.4230- "Am I subject to this subpart?"
B. 60.4233 - "What emission standards must I meet if I am an owner or operator of a stationary SI internal combustion engine?"
Portions of this Section require that the owner or operator of air affected source coinpTy with the emission standards specified in this
subpart depending on model year acid size of the non -emergency enginelgenerator.
C, 60.4234 - "How long mast I meet the emission standards if I am a owner or operator of a stationary SI ICE?„
Portions of this Section require that the owner or operator of an affected source moist comply with the emission standards of this subpart
over the entire life of the engine.
D. 60.4235 - "What fuel requirements must I meet if I am an owner or operator of a stationary SI gasoline fired internal combustion
engine subject to this subpart?"
E. 60.4236 — "What is the deadline for importing or installing stationary SI ICE produced in the previous model years?"
Portions of this Section establish the deadline by which ar previous model year SLICE array be installed for each year. for which an emission
standard in established in this subpart.
F. 60.4237 - "What are the monitoring requirements if I am an owner or operator of a stationary SI internal combustion engine?"
Refer to 60.423 i and Condition cmd Linriiation No. D-8 of this permit for all monitoring requirements,
G, 60.4243 - "What are my compliance requirements if I am an owner or operator of a stationary SI internal combustion engine?"
Portions o, f this section specify the compliance opl ons. for an owner or operator of an affected source depending on model year and size of
Ike engine.
I. 60.4244 - "What test methods and other procedures must I use if I am and owner or operator of a stationary SI internal
combustion engine?"
Defer to 60,4244 and Condition and Linihation No, D-10 of this permit for all testing requirements.
J. 60.4245 - "What are my notification, reporting, and recordkeeping requirements if I am art owner or operator of a stationary SI
internal combustion engine?"
Refer to 60,4245 and Condition anrd Limitation No(s), D-8 and S-II of this permit for all reporting wid recordkeeping requirements,

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No. 19-01V-021
Facility and Emission Source Conditions and Limitations Page 27
D-8. In accordance with MCAPCO Regulations 1.5111- "General Recordkeeping, Reporting and Monitoring Requirements" and 2.0605 —
"General Recordkeeping and Reporting Requirements" the facility shall monitor and record the following operating parameters for the
emission sources 1 control devices as listed below:
EMISSION SOURCE/ CONTROL
OPERATING PARAMETER
PARAMETER RANGE
NIIl41MUM MONITORING
DEVICE
FREQUENCY (Once per...
1. Static pressure drop across scrubber
Scrubbers CD-DBDI and CD-DBD2
2. Total liquid flow rate to scrubber
See Attachment 2
Week
3. Recirculation liquid pH
1. Identification and location of the engine;
2. Time and date of the record;
ES -I Internal Combustion Engines
3. Number of hours the engine operated during each day, including start-
(CHP-1, CHIP-2)
ups, shut -downs, and malfunctions, and the type and duration of
Day
(MCAPCO Regulation 2.1423)
maintenance and repairs;
4, Date and results of each emissions inspection;
5. A summary of any emissions corrective maintenance taken; and,
6. Results of all compliance tests.
Refer to 40 CFR 63.8, 63.10, 63.6635, and Condition and Limitation D-4
40 CFR 63 Subpart ZZZZ emission
of this permit for specific monitoring and recordiceeping requirements
Refer to 40 CFR 63.1 D and
sources
related to 40 CFR 63 emission sources
63.6635
Refer to 40 CFR 63.8, 63.10, 63.7525, 63.7555, and Condition and
40 CFR 63 Subpart DDDDD emission
Limitation D-3 of this permit for specific monitoring and recordkeeping
Refer to 40 CFR 63.10, 63.7525,
sources
requirements related to 44 CFR 63 emission sources
and 63.7555
40 CFR 60 Subpart JJJJ emission
Refer to 40 CFR 60.7, 60.13, 60.4237 and Condition and Limitation D-7
Refer to 40 CFR 60.7 and
sources
of this permit for specific monitoring and recordkeeping requirements
60.4237
related to 40 CFR 60 emission sources
The facility shall maintain the above -specified operating records as well as any maintenance records for activity conducted on the equipment for
a period of not less than 5 years, unless otherwise specified by the permit. The records shall be available for inspection by 1v1CAQ persomvI
upon request.
D-9. The digestate belt dryers (ES-2) shall be operated concurrently with the associated control device(s) specified in this Permit to Construct/Operate
except when:
► subject to the provisions of MCAPCO Regulation 2,0535 - `°Excess Emissions Reporting and Malfunctions".
The facility shall be properly operated and maintained at all times in a manner that will effect aii overall reduction in air pollution.

Orbit Energy Charlotte, LLC
Permit to ConstructfOperate No. 19-0 1 V-021
Facility and Emission Source Conditions and Limitations Page 28
D-10. The facility shall, at its own expense and using the most recent versions of the performance test methods contained in 40 CFR Part 60 (Appendix
A) or Part 63 or as approved by the Administrator of the USEPA or MCAQ, demonstrate compliance with the appropriate regulatory
r uirernent as follows:
EMISSION SOURCE/ COKTROL
DEMONSTRATE
DEVICE DESCRIPTION AND ID
COMPLIANCE WITH...
SCHEDULED TESTING FREQUENCY
tnitial Test: within 180 days after initial startup of
the emission source or following any
modification to the emission source or
control device
MCAPCO regulations:
■ 2.1423 — "Large Internal Combustion Engines"; and,
Additional Tests: upon written request by MCAQ,
lnteniai Combustion S-i Engines
g � )
' 2.1409 — "Stationary Internal Combustion Engines"
or as required by the regulation,
or as requested by Permittee
and determination of pollutant ernission rates and normal
Additional Tests: every years in conjunction with
operating parameters.
the request for renewal
applications for this Title V
permit. The test shall be
completed prior to submittal of
the renewal application.
40 CFR 60 Subpart JJJJ emission
Refer to 40 CFR 60.8, 60.4244 and Condition and
Limitation D-7 of this permit for specific testing
Refer to 40 CFR 60.8 and 60.4244
sources
requirements related to 40 CFR 64 emission sources
40 CFR 63 Subpart ZZZZ
Refer to 40 CFR 63.7, 63.6620 and Condition and
Limitation D-4 of this permit for specific testing
Refer to 40 CFR 63.7 and 63.6620
emission sources
requirements related to 40 CFR 63 emission sources
40 CFR 63 Subpart DDDDD
Refer to 40 CFR 63.7, 63.7515, 63.7520, and Condition and
emission sources
(imitation D-3 of this permit for specific testing
Refer to 40 CFR 63.7,63.7515 and 63.7528
requirements related to 40 CFR 63 emission sources
All performance tests shall be made by, or under the direction of, a person qualified by training and/or experience in the field of air pollution
testing. MCAQ shall be notified at least 30 days in advance of the proposed performance test so that it may have a representative present to
observe the test at its option, The notification shall include a detailed description of the performance test procedures so that MCAQ may review
and approve them. The final performance test results shall be submitted to MCAQ for review within 60 calendar days after completion of on -
site testing. The performance test(s) specified in this condition do not preclude MCAQ from requesting performance testing for other emission
sources or for other purposes as defined in MCAPCO Regulation 1.5104 - "General Duties and Powers of the Director, With the Approval
of the Board", and referenced in General Condition and Limitation No. G-6 of this Permit,

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No. l 9-01 V-021
Facility and Emission Source Conditions and Limitations Page 29
D-11. The facility shall be operated in accordance with MCAPCO Regulation 1.5111- "General Recordkeeping: Reporting: Monitoring
Requirements", 2.0605 — "General Recordkeeping and Reporting Requirements", and/or 2.0903 - "Recordkeeping: Reporting:
Monitoring" and 1MCAPCO Regulation 1.5508 - "Permit Content", such that the fallowing specific reports and/or notifications shall be
submitted to MCAQ by the specified dates:
(I) NOTIFICATIONS TO MCAQ
POLLUTANT/
NOTIFICATION
SUBMITTAL
PARAMETER
(REQUIREMENT
DATE
Performance test notification report
Lhe., iled description of the proposed test procedures to be used.
30 days prior to proposed test slate
40 CFR 60 Subpart JJJJ emission
Refer to 40 CFR 60.7, 60.4245 and Condition and Limitation No.
Refer to 40 CFR 60.7 and 60.4245.
sources
D-7 of this permit for all specific notification requirements.
40 CFR 63 Subpart ZZZZ emission
Refer to 40 CFR 63.9, 63.6645 and Condition and Limitation No.
Refer to 40 CFR 63.9 and 63.6645.
sources
D-4 of this permit for all specific notification requirements.
40 CFR 63 Subpart DDDDD
Reefer to 40 CFR 63.9, 63.7545 and Condition and Limitation No.
Refer to 40 CFR 63.9 and 63.7545.
emission sources
D-3 of this permit for all specific notification requirements.
ES-1, and ES-2
Submit a notification of the construction, alteration or installation
Upon completion of construction, alteration
Commencement of Operation Notice
completion date and intent to commence operation.
or installation
(2) REPORTS TO MCAQ
POLLUTANT/
PARAMETER
REPORTING
REQUMEMENT
EMISSION PERIOD
(For previous)
SUBMITTAL DATES
(Postmarked by)
A report of facility -wide emissions (in tons) emanating from the
CO
emission sources listed on this permit to include, at a minimum,
NO,
the following information:
PM1PM1n1PMn
1. Emission calculations including al supporting
Calendar year
April 30 of following
S02
documentation, (Catcalalrans for pr,-vrov,0y submined periods do ao!
(roust truck 12-month
voc
!reed to be re-srr6rrrilred)
rolling periods)
year
HAP
2. Amount of digester gas used by each CHP Engine,
3. Amount of solids processed by belt dryers.
4. Hours ofoperation for each emission source.

Orbit Energy Charlotte, LLC
Permit to Construct/Operate No. 19-01 V-021
Facility and Emission Source Conditions and Limitations Page 30
POLLUTANT/
REPORTING
EMISSION PERIOD
SUBMITTAL DATES
PARAMETER
REQUIREMENT
(For previous)
(Postmarked by)
Submit a report, certified by a responsible company official, of all
Title V Monitoring Reports
required monitoring parameters as found in Facility Condition
Aril 30
p
(MCAPCO 1.5508)
and Limitation No. A-16 and Emission Source Condition and
6 months
October 30
Limitation No. D-8. The report should include a discussion of
monitoring excursions
NO,
A report documenting each engine's total nitrogen oxide
(MCAPCO Regulations 2.1409
emissions beginning May 1 and ending September 30 of each
Ozone Season
October 31 of each year
and 2.1423)
year.
Performance Test Report
Results of Performance Test Conducted
Not applicable
Within 60 days after
test
40 CFR 60 Subpart JJJJ
Refer to 40 CFR 60.7, 60.4245 and Condition and Limitation
emission sources.
No. D-7 of this permit for all specific reporting requirements
Refer #0 40 CFR 60,7 and 60.4245
40 CFR 63 Subpart ZZZZ
Refer to 40 CFR 63.10, 63.6650 and Condition and Limitation
Refer to 40 CF`R 63.10 and 63.6650
emission sources
No. D-4 of this permit for all specific reporting requirements
` Annual Report due January 31 of following
year
40 CFR 63 Subpart DDDD➢
Refer to 40 CFR 63.10, 63.7554E and Condition and Limitation
emission sources
No. D-3 of this permit for ali specific reporting requirements
Refer to 40 CFR 63.10 and 63.7550
(3) COWLIANCE CERTE ICATION TO BOTH EPA AND MCAQ
REPORTING REQUIREMENT
EMISSION PERIOD
SUBMITTAL DATE
(For previous)
(Postmarked by)
Identify each term and condition of the Permit and the facility's compliance
status for each as described in Condition and Limitation No. A 33.
Calendar year
April 30 of the following year

Orbit Energy Charlotte, LLC
Permit to ConstructlOperate No. 19-01 V-021
Facility and Emission Source Conditions and Limitations Page 31
E. LOCAL ONLY RE UIREIV)lI1NTS
Only Mecklenburg County Air Quality has the authority to enforce the terms, conditions and limitations contained in this section. The EPA
does not have the authority to enforce the terms, conditions and limitations contained in this Section.
E-1. Permit No. 1 S-09a-02] shall be void upon issuance of this Permit.
1,2. In accordance with MCAPCO Regulations 1.5711 - "Emission Rates Requiring a Permit" and/or 2.1104 - "Toxic Air Pollutant
Guidelines", the facility shall not emit any of the following toxic air pollutants in such quantities that may cause or contribute beyond the
premises to any significant ambient air concentration that may adversely affect human health:
Ammonia
Parameters of the air dispersion modeling demonstration:
Modeled Emission Rate
Stack Height
Stack Diameter
Emission Source 1T)
9/9
lb/hr
M
R
m
ft
Stack Orientation
ES-2 I CD-DBD1
3.16
25.04
8.76
28,75
L28
4.21
Vertical no rain cap
ES-2 I CD-DBD2
3.16
25.04
8.76
28.75
1.28
4.21
Vertical no rain cap
Total:
6.32
50.08
Upon written request fi-om MCAQ, the facility shall verify compliance with the above -specified modeling parameters and operating conditions.
E-3. The facility shall be operated in accordance with MCA-PCO Regulation 1.5111- "General Recordkeeping: Reporting: Monitoring
Requirements", 2.0605 — "General Recordkeeping and Reporting Requirements", and/or 2.0903 - "Reco rd keeping: Reporting:
Monitoring", such that the following specific reports and/or notifications shall be submitted to MCAQ by the specified dates:
POLLUTANTI
REPORTING
EMISSION PERIOD
SUBMITTAL DATES
PARAMETER
REQUIREMENT
(For previous)
(Postmarked by)
Ammonia
Worst case hourly emission (lblhr) from dryers
Calendar Year
April 30 of following year
ES-2 I CD-DBDI & CD-DBD2
Ammonia
Submit
Submit notification upon exceedance oftaxics emission
2 business days of the exceedance discovery
limitations specified in Condition and Limitation No. E-2.

Orbit Energy Charlotte, LLC
Permit to ConstructlOperate No. I 9-01 V-021
Facility and Emission Source Conditions and Limitations Page 32
F. FEDERAL ONLY REQUIREMENTS
Only the EPA has the authority to enforce the terms, conditions, and limitations contained in this section. Mecklenburg County Air Quality
does not have the authority to enforce the tenons, conditions, and limitations contained in this Section.
- THERE ARE NO FEDERAL ONLY REQUIREMENTS FOR THIS PERMIT

e4nuw C
p S
APPENDIX A: TOXIC AIR POLLUTANT REVIEW
Facility Name: Orbit Energy Charlotte, LLC
Facility Address: 600 Johnson Road, Chartofte, NC
Date Issued: Mcry30,2019
The facility has been reviewed for toxic air pollutant emissions under MCAPCO Regulation 1.5700 - "'Toxic Air Pollutant Procedures" and been
found to emit the following substances:
Reviewed Toxic Air
CAS No
Is TAP also a
Hazardous
us Air
Last Reviewed
Compliance Demonstration
Are Actual
Model or
Pollutant (TAP)
?
Pollutant (FIAP).
(Permit Number)
Emissions Above
Avoidance
TPER?'I
Limit?
ammonia
7664-41-7
N
l 5-079-021
Y
Model
*The toxic air pollutant permitting emission rates ('TPER) for each TAP can be found in MCAPCO Regulation 1.5711— "Emission Rates Requiring a Perrnit' .
The applicable TPER values depend on release point type and stack characteristics.

ATTACHMENTI
COMMONLY USED ABBREVIATIONS AND ACRONYMS
BACT
Best Available Control Technology
Btu
British Thermal Unit
CAAA
Clean Air Act Amendments
CANT
Compliance Assurance Monitoring
CEM
Continuous Emission Monitor
CFR
Code of Federal Regulations
CO
Carbon Monoxide
EPA
Environmental Protection Agency
14AP
Hazardous Air Pollutant
HCFC
Halogenated ChlnroFiuoroCarbon
MALT
Maximum Achievable Control Technology
MCAPCO
Mecldenburg County Air Pollution Control Ordinance
MCAQ
Mecklenburg County Air Quality
million Btu
Million British Thermal Units
VAC
Motor Vehicle Air Conditioner
MW
Megawatt
NCGS
North Carolina General Statute
NOx
Nitrogen Oxides
LISPS
New Source Performance Standards
NSR
New Source Review
PM
Particulate Matter
PM] 0
Particulate Matter less than 10 micrometers
PM2,5
Particulate Matter less than 2,5 micrometers
PSD
Prevention of Significant Deterioration
RACT
Reasonable Available Control Technology
RP
Risk Management Plan
SIC
Standard Industrial Classification
SIP
State Implementation Plan
S02
Sulftw Dioxide
TAP
Toxic Air Pollutant
VOC
Volatile Organic Compound

ATTACHMENT 2: Operational Parameters
Facility Narne; Orbit Energy Charlotte, LLC
Facility Address, 600 Johnson Road Charlotte, NC
Date Issued. May 30, 2019
The facility shall be operated in accordance with MCAPC0 Regulation 15111 — "General Recordkeeping, Reporting, And Monitoring Requirements" and
Specific Condition and Limitation No. S-9 of this permit which requires the facility to maintain the following operating parameters:
Control Device
Operating Parameter
Parameter Value'
Applicable
Revision Date
Scrubbers
1. Static pressure drop across scrubber
CD-DBD 1 and CD-DBD2
2, Total liquid flow rate to scrubber
To be deternnined
3. Recirculation Liquid pH
Notes:
1. Established upon facility startup, operation, and/or testing
2. The "Applicable Revision Date" reflects the date the operating parameter was established.

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF ENERGY, MINERAL, AND LAND RESOURCES
GENERAL PERMIT NO. NCG060000
TO DISCHARGE STORMWATER UNDER THE
]NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
far establishments primarily engaged in the following activities:
Food and Kindred
In compliance with the provisions of North Carolina General Statute 143-215,1, other lawful standards and
regulations promulgated and adopted by the North Carolina Environmental Management Commission and
the Federal Water Pollution Control Act, as amended, this permit is hereby issued to all owners or operators,
hereinafter permittees, which are covered by this permit as evidenced by receipt of a Certificate of Coverage
by the Environmental Management Commission to allow the discharge of stormwater to the surface
waters of North Carolina or to a separate storm sewer system conveying discharges to surface waters in
accordance with the terms and conditions set forth herein.
Coverage under this General Permit is applicable to:
All owners or operators of stormwater point source discharges associated with activities classified as
establishments primarily engaged in:
■ Food and Kindred Products [standard industrial classification (SIC) 20],
■ Tobacco Products (SIC 21),
■ Soaps, Detergents and Cleaning Preparations, Perfumes, Cosmetics and Other Toilet
Preparations (SIC 284),
• Drugs (SIC 283), and
■ Public Warehousing and Storage (SIC 4221-4225).
♦ stormwater point source discharges from like industrial activities deemed by The Division of Energy,
Mineral, and Land Resources (DEMLR) to be similar to these operations in the process, or the
discharges, or the exposure of raw materials, intermediate products, by-products, products, or waste
products.
The General Permit shall become effective on November 1, 2018.
The General Permit shall expire at midnight on May 31, 2021.
Signed this 2901 day of October 201
William E."(Toby) Vinson, Jr., P.E., CPM '
Interim Director, Division of Energy, Mineral and Land Resources
By the Authority of the Environmental Management Commission

Permit No. NCG060000
TABLE OF CONTENTS
PART I INTRODUCTION
Section A: General Permit Coverage
Section B: Permitted Activities
PART II MONITORING, CONTROLS, AND LIMITATIONS FOR PERMITTED DISCHARGES
Section A: Stormwater Pollution Prevention Plan
Section B: Analytical Monitoring Requirements
Section C: Qualitative Monitoring Requirements
Section D: Special Conditions
PART III STANDARD CONDITIONS FOR NPDES STORMWATER GENERAL PERMITS
Section A: Compliance and Liability
1.
Compliance Schedule
2.
Duty to Comply
3.
Duty to Mitigate
4.
Civil and Criminal Liability
5.
Oil and Hazardous Substance Liability
6.
Property Rights
7.
Severability
8.
Duty to Provide Information
9.
Penalties for Tampering
10.
Penalties for Falsification of Reports
11.
Onshore or Offshore Construction
12.
Duty to Reapply
Section B: General
Conditions
1.
General Permit Expiration
2.
Transfers
3.
When an Individual Permit Maybe Required
4.
When an Individual Permit May be Requested
S.
Signatory Requirements
6.
General Permit Modification, Revocation and Reissuance, or
Termination
i

Permit No. NCG060000
7. Certificate of Coverage Actions
8. Annual Administering and Compliance Monitoring Fee Requirements
Section C: Operation and Maintenance of Pollution Controls
1.
Proper Operation and Maintenance
2.
Need to Halt or Reduce not a Defense
3.
Bypassing of Stormwater Control Facilities
4.
Upsets
Section D: Monitoring and Records
1.
Representative Sampling
2.
Recording Results
3.
Flow Measurements
4.
Test Procedures
S.
Representative Outfall
6.
Records Retention
7.
Inspection and Entry
Section E: Reporting
Requirements
1.
Discharge Monitoring Reports
2.
Submitting Reports
3.
Availability of Reports
4.
Non-Stormwater Discharges
S.
Planned Changes
6.
Anticipated Noncompliance
7.
Spills
8.
Bypass
9.
Twenty-four Hour Reporting
10.
Other Noncompliance
11.
Other Information
PART IV DEFINITIONS

Permit No. NCG060000
PART I - INTRODUCTION
SECTION A: GENERAL PERMIT COVERAGE
All persons desiring to have facilities covered by this General Permit must register with the Division
of Energy, Mineral, and Land Resources (DEMLR) by the filing of a Notice of Intent (NOI) and
applicable fees. The NOI shall be submitted and a Certificate of Coverage issued prior to any point
source discharge of stormwater associated with industrial activity to the surface waters of the state.
Any owner or operator not wishing to be covered or limited by this General Permit may make
application for an individual NPDES permit in accordance with NPDES procedures in 15A NCAC 2H
.0100, stating the reasons supporting the request. Any application for an individual permit should
be made at least 180 days prior to commencement of discharge.
This General Permit does not cover activities or discharges covered by an individual NPDES permit
until the individual permit has expired or has been revoked. Any person conducting an activity
covered by an individual permit but which could be covered by this General Permit may request
that the individual permit be revoked and coverage under this General Permit be provided.
If industrial materials and activities are not exposed to precipitation or runoff as described in 40
CFR §122.26(g), the facility may qualify for a No Exposure Exclusion from NPDES stormwater
discharge permit requirements. Any owner or operator wishing to obtain a No Exposure Exclusion
must submit a No Exposure Certification Notice of Intent (NOI) form to the Division; must receive
approval by the Division; must maintain no exposure conditions unless authorized to discharge
under a valid NPDES stormwater permit; and must recertify the No Exposure Exclusion annually.
Any facility may apply for new or continued coverage under this permit until a Total Maximum
Daily Load (TMDL) for pollutants for stormwater is established. A TMDL sets a pollutant -loading
limit that affects a watershed, or portion of a watershed, draining to a specific impaired water. For
discharges to watersheds affected by a TMDL, coverage under this permit may depend on the
facility demonstrating it does not have reasonable potential to violate applicable water
quality standards for those pollutants as a result of discharges. If the Division determines that
discharges have reasonable potential to cause water quality standard violations, the facility shall
apply for an individual permit 180 days prior to the expiration date of this General Permit. Once
that individual permit is effective, the facility will no longer have coverage under this General
Permit. Note that the permittee must identify impaired waters (scheduled for TMDL development)
and waters already subject to a TMDL in the Site Plan, as outlined in the Stormwater Pollution
Prevention Plan, Part II, Section A. A list of approved TMDLs for the state of North Carolina can be
found at https://deq.nc.gov/about/divisions/water-resources/planning/modeling-
assessment/tmdls/draft-and-approved-tmdls.
Page 1 of 29

Permit No. NCG060000
SECTION B: PERMITTED ACTIVITIES
Until coverage under this permit expires or is modified or revoked, the permittee is authorized to
discharge stormwater to the surface waters of North Carolina, or to a separate storm sewer system,
which has been adequately treated and managed in accordance with the terms and conditions of
this General Permit and the requirements of the permittee's Certificate of Coverage (COC). The
permittee's COC is hereby incorporated by reference into this General Permit. Any violation
of the COC is a violation of this General Permit and subject to enforcement action as provided
in the General Permit.
Any other point source discharge to surface waters of the state is prohibited unless it is an
allowable non-stormwater discharge or is covered by another permit, authorization, or approval.
The discharges allowed by this General Permit shall not cause or contribute to violations of
Water Quality Standards. Discharges allowed by this permit must meet applicable wetland
standards as outlined in 15A NCAC 213.0230 and .0231 and water quality certification requirements
as outlined in 15A NCAC 2H .0500.
This permit does not relieve the permittee's responsibility for compliance with any other applicable
federal, state, or local law, rule, standard, ordinance, order, or decree.
Page 2 of 29

Permit No. NCG060000
PART II - MONITORING, CONTROLS, AND LIMITATIONS FOR PERMITTED
DISCHARGES
SECTION A: STORMWATER POLLUTION PREVENTION PLAN
The permittee shall develop and implement a Stormwater Pollution Prevention Plan (SPPP). The
SPPP shall be maintained on site unless exempted from this requirement by the Division. The SPPP
is public information in accordance with Part III, Standard Conditions, Section E, paragraph 3 of this
permit. The SPPP shall include, at a minimum, the following items:
Site Overview. The Site Overview shall provide a description of the physical facility and the
potential pollutant sources that may be expected to contribute to contamination of stormwater
discharges. The Site Overview shall contain the following:
(a) A general location map (USGS quadrangle map or appropriately drafted equivalent map),
showing the facility's location in relation to transportation routes and surface waters; the
name of the receiving waters to which the stormwater outfalls discharge, or if the discharge
is to a municipal separate storm sewer system, the name of the municipality and the
ultimate receiving waters; and accurate latitude and longitude of the points of stormwater
discharge associated with industrial activity. The general location map (or alternatively the
site map) shall identify whether any receiving waters are impaired (on the state's 303 (d)
list of impaired waters) or if the site is located in a watershed for which a TMDL has been
established, and what the parameters of concern are.
(b) A narrative description of storage practices, loading and unloading activities, outdoor
process areas, dust or particulate generating or control processes, and waste disposal
practices. A narrative description of the potential pollutants that could be expected to be
present in the stormwater discharge from each outfall.
(c) A site map drawn at a scale sufficient to clearly depict: the site property boundary; the
stormwater discharge outfalls; all on -site and adjacent surface waters and wetlands;
industrial activity areas (including storage of materials, disposal areas, process areas,
loading and unloading areas, and haul roads); site topography and finished grade; all
drainage features and structures; drainage area boundaries and total contributing area for
each outfall; direction of flow in each drainage area; industrial activities occurring in each
drainage area; buildings; stormwater Best Management Practices (BMPs); and impervious
surfaces. The site map must indicate the percentage of each drainage area that is
impervious, and the site map must include a graphic scale indication and north arrow.
(d) A list of significant spills or leaks of pollutants during the previous three (3) years and
any corrective actions taken to mitigate spill impacts.
(e) Certification that the stormwater outfalls have been evaluated for the presence of non-
stormwater discharges. The permittee shall re -certify annually that the stormwater
outfalls have been evaluated for the presence of non-stormwater discharges. The
certification statement will be signed in accordance with the requirements found in Part III,
Standard Conditions, Section B, Paragraph 5.
Page 3 of 29

Permit No. NCG060000
2. Stormwater Management Strategy. The Stormwater Management Strategy shall contain a
narrative description of the materials management practices employed which control or
minimize the stormwater exposure of significant materials, including structural and
nonstructural measures. The Stormwater Management Strategy, at a minimum, shall
incorporate the following:
(a) Feasibility Study. A review of the technical and economic feasibility of changing the
methods of operations and/or storage practices to eliminate or reduce exposure of
materials and processes to rainfall and run-on flows. Wherever practical, the permittee
shall prevent exposure of all storage areas, material handling operations, and
manufacturing or fueling operations. In areas where elimination of exposure is not
practical, this review shall document the feasibility of diverting the Stormwater run-on
away from areas of potential contamination.
(b) Secondary Containment Requirements and Records. Secondary containment is
required for: bulk storage of liquid materials including petroleum products; storage in au
amount of Section 313 of Title III of the Superfund Amendments and Reauthorization Act
(SARA) water priority chemicals; and storage in any amount of hazardous substancesin
order to prevent leaks and spills from contaminating stormwater runoff.
i. A table or summary of all such tanks and stored materials and their associated
secondary containment areas shall be maintained.
ii. If the secondary containment devices are connected to stormwater conveyance
systems, the connection shall be controlled by manually activated valves or other
similar devices (which shall be securely closed with a locking mechanism).
iii. Any stormwater that accumulates in the containment area shall be, at a minimum,
visually observed for color, foam, outfall staining, visible sheens and dry weather
flow, prior to release.
iv. Accumulated stormwater shall be released if found to be uncontaminated by any
material.
v. Records documenting the individual making the observation, the description of the
accumulated stormwater, and the date and time of the release shall be kept for a
period of five (5) years.
For facilities subject to a federal oil Spill Prevention, Control, and Countermeasure Plan
(SPCC), any portion of the SPCC plan fully compliant with the requirements of this permit
may be used to demonstrate compliance with this permit. The Division may allow
exceptions to secondary containment requirements for mobile refuelers, as with the
exemption provided by amendments to federal SPCC regulations, as long as appropriate
spill containment and/or diversionary structures or equipment is used to prevent discharge
to surface waters. Exceptions do not apply to refuelers or other mobile tankage used
primarily as bulk liquid material storage in a fixed location in place of stationary containers.
(c) BMP Summary. A listing of site structural and non-structural Best Management Practices
(BMPs) shall be provided. The installation and implementation of BMPs shall be based on
the assessment of the potential for sources to contribute significant quantities of pollutants
to stormwater discharges and on data collected through monitoring of stormwater
discharges. The BMP Summary shall include a written record of the specific rationale for
installation and implementation of the selected site BMPs. The BMP Summary shall be
reviewed and updated annually.
Page 4 of 29

Permit No. NCG060000
3. Spill Prevention and Response Procedures. The Spill Prevention and Response Procedures
(SPRP) shall incorporate an assessment of potential pollutant sources based on a materials
inventory of the facility. Facility personnel responsible for implementing the SPRP shall be
identified in a written list incorporated into the SPRP and signed and dated by each individual
acknowledging their responsibilities for the plan. A responsible person shall be on -site at all
times during facility operations that have the potential to contaminate stormwater runoff
through spills or exposure of materials associated with the facility operations. The SPRP must
be site stormwater specific. Therefore, an oil Spill Prevention Control and Countermeasure
plan (SPCC) may be a component of the SPRP, but may not be sufficient to completely address
the stormwater aspects of the SPRP. The common elements of the SPCC with the SPRP may be
incorporated by reference into the SPRP.
4. Preventative Maintenance and Good Housekeeping Program. A preventative maintenance
and good housekeeping program shall be developed and implemented. The program shall
address all stormwater control systems (if applicable), stormwater discharge outfalls, all on -site
and adjacent surface waters and wetlands, industrial activity areas (including material storage
areas, material handling areas, disposal areas, process areas, loading and unloading areas, and
haul roads), all drainage features and structures, and existing structural BMPs. The program
shall establish schedules of inspections, maintenance, and housekeeping activities of
stormwater control systems, as well as facility equipment, facility areas, and facility systems
that present a potential for stormwater exposure or stormwater pollution where not already
addressed under another element of the SPPP. Inspection of material handling areas and
regular cleaning schedules of these areas shall be incorporated into the program. Timely
compliance with the established schedules for inspections, maintenance, and housekeeping
shall be recorded and maintained in the SPPP.
Facility Inspections. Inspections of the facility and all stormwater systems shall occur as part
of the Preventative Maintenance and Good Housekeeping Program at a minimum on a semi-
annual schedule, once during the first half of the year (January to June), and once during the
second half (July to December), with at least 60 days separating inspection dates (unless
performed more frequently than semi-annually). These facility inspections are different from,
and in addition to, the stormwater discharge characteristic monitoring at the outfalls required
in Part II, Sections B and C of this permit.
6. Employee Training. Training programs shall be developed and training provided at a
minimum on an annual basis for facility personnel with responsibilities for: spill response and
cleanup, preventative maintenance activities, and for any of the facility's operations that have
the potential to contaminate stormwater runoff. The facility personnel responsible for
implementing the training shall be identified, and their annual training shall be documented by
the signature of each employee trained.
7. Responsible Party. The SPPP shall identify a specific position or positions responsible for the
overall coordination, development, implementation, and revision of the SPPP. Responsibilities
for all components of the SPPP shall be documented and position assignments provided.
8. SPPP Amendment and Annual Update. The permittee shall amend the SPPP whenever there
is a change in design, construction, operation, site drainage, maintenance, or configuration of
the physical features which may have a significant effect on the potential for the discharge of
pollutants to surface waters. All aspects of the SPPP shall be reviewed and updated on an
annual basis. The annual update shall include:
Page 5 of 29

Permit No. NCG060000
(a) an updated list of significant spills or leaks of pollutants for the previous three (3)
years, or the notation that no spills have occurred (element of the Site Overview);
(b) a written re -certification that the stormwater outfalls have been evaluated for the
presence of non-stormwater discharges (element of the Site Overview);
(c) a documented re-evaluation of the effectiveness of the on -site stormwater BMPs
(BMP Summary element of the Stormwater Management Strategy);
(d) a statement that annual training requirements were met in the pastyear;
(e) a review and comparison of sample analytical data to benchmark values (if
applicable) over the past year, including a discussion about Tiered Response status.
The permittee shall use the Division's Annual Summary Data Monitoring Report
(DMR) form, available from the Stormwater Permitting Unit's website (See:
https: / Ideq.nc.gov/about/divisions/energy-mineral-land-resources/npdes-
stormwater-gps).
The Director may notify the permittee when the SPPP does not meet one or more of the
minimum requirements of the permit. Within 30 days of such notice, the permittee shall submit
a time schedule to the Director for modifying the SPPP to meet minimum requirements. The
permittee shall provide certification in writing (in accordance with Part III, Standard
Conditions, Section B, Paragraph 5) to the Director that the changes have been made.
9. SPPP Implementation. The permittee shall implement the Stormwater Pollution Prevention
Plan and all appropriate BMPs to prevent contaminants from entering surface waters via
stormwater. Implementation of the SPPP shall include documentation of all monitoring,
measurements, inspections, maintenance activities, and training provided to employees,
including the log of the sampling data and of actions taken to implement BMPs associated with
the industrial activities, including vehicle maintenance activities. Such documentation shall be
kept on -site for a period of five (5) years and made available to the Director or the Director's
authorized representative immediately upon request.
SECTION B: ANALYTICAL MONITORING REQUIREMENTS
Analytical monitoring of stormwater discharges shall be performed as specified in Table 1. All
analytical monitoring shall be performed during a measurable storm event at each stormwater
discharge outfall (SDO). Only SDOs discharging stormwater associated with industrial activity must
be sampled (See Definitions).
A measurable storm event is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a
shorter interval is representative for local storm events during the sampling period, and the
permittee obtains approval from the local DEMLR Regional Office. See Definitions.
The permittee shall compare monitoring results to the benchmark values in Table 1. Exceedances
of benchmark values require the permittee to increase monitoring, increase management actions,
increase record keeping, and/or install Stormwater Control Measures (SCM) in a tiered program.
See below for the descriptions of Tier One, Tier Two, and Tier Three response actions below. In
the event that the Division releases the permittee from continued monthly monitoring and
reporting under Tiers Two or Three, the Division's release letter may remain in effect through
subsequent reissuance of this permit, unless the release letter provides for other conditions or
duration.
Page 6 of 29

Permit No. NCG060000
The benchmark values in Table 1 are not permit limits but should be used as guidelines for
implementation of the permittee's SPPP. An exceedance of a stormwater benchmark value is not a
permit violation; however, failure to respond to the exceedance as outlined in this permit is a
violation of permit conditions.
Please note the parameters in the last two rows of Table 1 (Non -polar Oil & Grease and New Motor
Oil or Hydraulic Oil Usage) are only required for outfalls that discharge runoff from vehicle or
equipment maintenance areas in which more than 55 gallons of new motor oil and/or hydraulic oil
are used per month when averaged over the calendar year.
Table 1. Analytical Monitoring Requirements for Outfalls with Industrial Activities'
Parameter
Discharge
Units
Measurement
Sample
Sample
Bench -
Code
Characteristics
Fre uenc 2
Type3
Location4
mark
00400
pH7
standard
semi-annual
Grab
SDO
6-9
C0530
Total Suspended Solids (TSS)
mg/L
semi-annual
Grab
SDO
100
Total Suspended Solids (TSS)
C0530
HQW, ORW, Tr and PNA
mg/L
semi-annual
Grab
SDO
50
00556
Oil & Grease
mg/L
semi-annual
Grab
SDO
30
31616
Fecal Coliform6
Per 100 ml of
semi-annual
Grab
SDO
1000
freshwater
61211
Enterococci6
Per 100 ml of
semi-annual
Grab
SDO
500
saltwater
00340
Chemical Oxygen Demand
mg/L
semi-annual
Grab
SDO
120
46529
Total Rainfalls
inches
semi-annual
Rain gauge
-
-
Additional parameters for vehicle or equipment maintenance areas in which more than 55 gallons of motor oil
and/or hydraulic oil are used per month:
00552
Non -Polar Oil & Grease by
mg/L
semi-annual
Grab
SDO
15
EPA Method 1664 (SGT-HEM)
NCOIL
New Motor Oil or Hydraulic
gal/month
semi-annual
Estimate
-
-
Oil Usage
Footnotes:
1 Outfalls that have only Vehicle Maintenance Areas with no industrial activities shall monitor for: Total
Rainfall, TSS, Non -Polar Oil & Grease, and New Motor/Hydraulic Oil Usage. The measurement frequencies,
sample types, sample locations, and benchmarks shall be in accordance with the above table.
2 Measurement Frequency: Twice per year during a measureable storm event (unless other provisions of
the permit prompt monthly sampling), until either another permit is issued for this facility or until this
permit is revoked or rescinded. See Table 2 for schedule of monitoring periods through the end of this
permitting cycle. If the facility is monitoring monthly because of Tier Two or Three response actions under
the previous permit, the facility shall continue a monthly monitoring and reporting schedule in Tier
Two or Tier Three status until relieved by the provisions of this permit or the Division.
Page 7 of 29

Permit No. NCG060000
3 Grab samples shall be collected within the first 30 minutes of discharge. When physical separation between
outfalls prevents collecting all samples within the first 30 minutes, sampling shall be begun within the first
30 minutes, and shall continue until completed.
4 Sample Location: Samples shall be collected at each stormwater discharge outfall (SDO) unless
representative outfall status (ROS) has been granted. A copy of the letter granting ROS shall be kept on
site.
5 For each sampled measureable storm event the total precipitation must be recorded. An on -site rain
gauge is required. Where isolated sites are unmanned for extended periods of time, a local rain gauge may
be substituted for an on -site reading.
6 Fecal coliform sampling applicable only to facilities that process meats and discharge to freshwaters.
Enterococci sampling applicable only to facilities that process meats and discharge to saltwaters.
7 If pH values outside this range are recorded in sampled stormwater discharges, but ambient precipitation
pH levels are lower, then the lower threshold of this benchmark range is the pH of the precipitation
instead of 6 standard units. Readings from an on -site or local rain gauge must be documented to
demonstrate background concentrations were below the benchmark pH range.
The permittee shall complete the analytical samplings in accordance with the schedule specified
below in Table 2, unless adverse weather conditions prevent sample collection (see Adverse
Weather in Definitions). A minimum of 60 days must separate Period 1 and Period 2 sample
dates, unless monthly monitoring has been instituted as part of other requirements of this permit.
Inability to sample because of adverse weather conditions must be documented in the SPPP and
recorded on the DMR. The permittee must report the results from each sample taken within the
monitoring period (see Part III, Section E). However, for purposes of benchmark comparison and
Tiered response actions, the permittee shall use the analytical results from the first sample with
valid results within the monitoring period.
Table 2. Monitoring Schedule
Semi-annual
Monitoring Events1,2
Start Date
(All Years)3
End Date
(All Years)3
Period 1
January 1
June 30
Period 2
July 1
December 31
Footnotes:
1. Maintain semi-annual monitoring during the General Permit renewal process (unless other provisions of
this permit require monthly sampling). The applicant must continue monitoring until the renewed
Certificate of Coverage (COC) is issued.
2. If no discharge occurs during the sampling period, the permittee must record "No Flow" or "No
Discharge" within 30 days of the end of the sampling period.
3. Monitoring periods remain constant throughout the five-year term of the General Permit. For permittees
continuing with renewed coverage under this General Permit, Year 1 begins in Period 1 on January 1,
2019.
Failure to monitor semi-annually per permit terms may result in the Division requiring monthly
monitoring for all parameters for a specified time period. "No discharge" from an outfall or
inability to collect a sample because of adverse weather conditions during a monitoring period, for
example, does not constitute failure to monitor, as long as it is properly reported.
Page 8 of 29

Permit No. NCG060000
Tier One
If. The first valid sampling results are above a benchmark value, or outside of the benchmark range, for any
parameter at any outfall;
Then: The permittee shall:
1. Conduct a stormwater management inspection of the facility within two weeks of receiving sampling
results.
2. Identify and evaluate possible causes of the benchmark value exceedance.
3. Identify potential, and select the specific feasible: source controls, operational controls, or physical
improvements to reduce concentrations of the parameters of concern, and/or to bring concentrations
within the benchmark range.
4. Implement the selected feasible actions within two months of the inspection.
S. Record each instance of a Tier One response in the SPPP. Include the date and value of the benchmark
exceedance, the inspection date, the personnel conducting the inspection, the selected actions, and the date
the selected actions were implemented.
6. Note: Benchmark exceedances for a different parameter separately trigger a tiered response.
Tier Two
If. The first valid sampling results from two consecutive monitoring periods (omitting periods with no discharge)
are above the benchmark values, or outside of the benchmark range, for any specific parameter at a specific
discharge outfall;
Then: The permittee shall:
1. Repeat all the required actions outlined above in Tier One.
2. Immediately institute monthly monitoring and reporting for all parameters. The permittee shall conduct
monthly monitoring at every outfall where a sampling result exceeded the benchmark value for two
consecutive samples. Monthly (analytical and qualitative) monitoring shall continue until three
consecutive sample results are below the benchmark values or within benchmark range.
3. If no discharge occurs during the sampling period, the permittee is required to submit a monthly
monitoring report indicating "No Flow" to comply with reporting requirements.
4. Alternatively, in lieu of steps 2 and 3, the permittee may, after two consecutive exceedances, exercise the
option of contacting the DEMLR Regional Engineer as provided below in Tier Three. The Regional Engineer
may direct the response actions on the part of the permittee as provided in Tier Three, including reduced or
additional sampling parameters or frequency.
S. Maintain a record of the Tier Two response in the SPPP.
6. Continue Tier Two response obligations throughout the permit renewal process.
Tier Three
If. The valid sampling results required for the permit monitoring periods exceed the benchmark value, or are
outside the benchmark range, for any specific parameter at any specific outfall on four occasions, the permittee
shall notify the DEMLR Regional Engineer in writing within 30 days of receipt of the fourth analytical results;
Then: The Division may but is not limited to:
• require that the permittee revise, increase, or decrease the monitoring and reporting frequency for some
or all of the parameters herein;
• require sampling of additional or substitute parameters;
• require the permittee to install structural stormwater control measures;
• require the permittee to implement other best management practices;
• require the permittee to perform upstream and downstream monitoring to characterize impacts on
receiving waters; or
• require the permittee implement site modifications to qualify for a No Exposure Exclusion;
• require the permittee to continue Tier Three obligations through the permit renewal process.
Page 9 of 29

Permit No. NCG060000
SECTION C: QUALITATIVE MONITORING REQUIREMENTS
The purpose of qualitative monitoring is to evaluate the effectiveness of the Stormwater Pollution
Prevention Plan (SPPP) and assess new sources of stormwater pollution. Qualitative monitoring of
stormwater outfalls must be performed during a measurable storm event.
Qualitative monitoring requires a visual inspection of each stormwater outfall, regardless of
representative outfall status. Qualitative monitoring shall be performed semi-annually as specified
in Table 3, and during required analytical monitoring events if applicable (unless the permittee is
required to perform further qualitative sampling per the Qualitative Monitoring Response
below). Inability to sample because of adverse weather conditions must be documented in the
SPPP and recorded on the DMR (see Adverse Weather in Definitions). Only SDOs discharging
stormwater associated with industrial activity must be monitored (See Definitions).
In the event an atypical condition is noted at a stormwater discharge outfall, the permittee shall
document the suspected cause of the condition and any actions taken in response to the discovery.
This documentation will be maintained with the SPPP.
Table 3. Qualitative Monitoring Requirements
Discharge Characteristics
Frequencyl
Monitoring
Location2
Color
semi-annual
SDO
Odor
semi-annual
SDO
Clarity
semi-annual
SDO
Floating Solids
semi-annual
SDO
Suspended Solids
semi-annual
SDO
Foam
semi-annual
SDO
Oil Sheen
semi-annual
SDO
Erosion or deposition at the outfall
semi-annual
SDO
Other obvious indicators of stormwater pollution
I semi-annual
SDO
Footnotes:
1 Measurement Frequency: Twice per year (unless other provisions of this permit prompt monthly
sampling) during a measureable storm event. See Table 2 for schedule of monitoring periods. The
permittee must continue qualitative monitoring throughout the permit renewal process.
2 Monitoring Location: Qualitative monitoring shall be performed at each stormwater discharge outfall
(SDO) associated with industrial activity, regardless of representative outfall status.
A minimum of 60 days must separate monitoring dates, unless additional sampling has been
instituted as part of other analytical monitoring requirements in this permit.
If the permittee's qualitative monitoring indicates that existing stormwater BMPs are ineffective, or
that significant stormwater contamination is present, the permittee shall investigate potential
causes, evaluate the feasibility of corrective actions, and implement those corrective actions within
60 days, per the Qualitative Monitoring Response, below. A written record of the permittee's
investigation, evaluation, and response actions shall be kept in the Stormwater Pollution Prevention
Plan.
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Permit No. NCG060000
Qualitative Monitoring Response
Qualitative monitoring is for the purposes of evaluating SPPP effectiveness, assessing new sources of
stormwater pollution, and prompting the permittee's response to pollution. If the permittee
repeatedly fails to respond effectively to correct problems identified by qualitative monitoring, or if
the discharge causes or contributes to a water quality standard violation, DEMLR may but is not
limited to:
• require that the permittee revise, increase, or decrease monitoring frequency for some or
all parameters (analytical or qualitative);
• require the permittee to install structural stormwater control measures;
• require the permittee to implement other best management practices;
• require the permittee to perform upstream and downstream monitoring to characterize
impacts on receiving waters; or
• require the permittee implement site modifications to qualify for a No Exposure Exclusion.
SECTION D: SPECIAL CONDITIONS
A (1.) ELECTRONIC REPORTING OF MONITORING REPORTS [G.S. 143-215.1(b)]
Federal regulations require electronic submittal of all discharge monitoring reports (DMRs) and
program reports. The final NPDES Electronic Reporting Rule was adopted and became effective on
December 21, 2015.
NOTE: This special condition supplements or supersedes the following sections within Part III of
this permit (Standard Conditions for NPDES Permits):
• Section B. (5.) Signatory Requirements
• Section D. (6.) Records Retention
• Section E. (1.) Discharge Monitoring Reports
• Section E. (2.) Submitting Reports
1. Reporting Requirements [Supplements Section E. (1.) and Supersedes Section E.
t)
Effective December 21, 2016 or when the agency's electronic reporting system is able to
accept NPDES stormwater permit monitoring data, the permittee shall report discharge
monitoring data electronically using the NC DWR's Electronic Discharge Monitoring Report
(eDMR) internet application. NC DEMLR will notify permittees when eDMR is ready to accept
stormwater monitoring data.
Monitoring results obtained during the previous month(s) shall be summarized for each month
and submitted electronically using eDMR. The eDMR system allows permitted facilities to enter
monitoring data and submit DMRs electronically using the internet. Until such time that the
state's eDMR application is compliant with EPA's Cross -Media Electronic Reporting Regulation
(CROMERR), permittees will be required to submit all discharge monitoring data to the state
electronically using eDMR and also will be required to complete the eDMR submission by
printing, signing, and submitting one signed original of the eDMR to the following address:
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Permit No. NCG060000
NC DEQ / Division of Water Resources
ATTENTION: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
If a permittee is unable to use the eDMR system due to a demonstrated hardship or due to the
facility being physically located in an area where less than 10 percent of the households have
broadband access, then a temporary waiver from the NPDES electronic reporting requirements
may be granted and discharge monitoring data may be submitted on paper DMR forms or
alternative forms approved by the Director. See "How to Request a Waiver from Electronic
Reporting" section below.
Regardless of the submission method, the first DMR is due no later than 30 days from the
date the facility receives the sampling results from the laboratory.
2. How to Request a Waiver from Electronic Reporting
The permittee may seek a temporary electronic reporting waiver from the Division. To obtain
an electronic reporting waiver, a permittee must first submit an electronic reporting waiver
request to the Division. Requests for temporary electronic reporting waivers must be
submitted in writing to the Division for written approval at least sixty (60) days prior to the
date the facility would be required under this permit to begin submitting monitoring data and
reports. The duration of a temporary waiver shall not exceed 5 years and shall thereupon
expire. At such time, monitoring data and reports shall be submitted electronically to the
Division unless the permittee re -applies for and is granted a new temporary electronic
reporting waiver by the Division. Approved electronic reporting waivers are not transferrable.
Only permittees with an approved reporting waiver request may submit monitoring data and
reports on paper to the Division for the period that the approved reporting waiver request is
effective.
Information on eDMR and the application for a temporary electronic reporting waiver are found
on the following web page:
https://deq..nc.gov/about/divisions/water-resources/edmr
3. Signatory Requirements [Supplements Section B. (5.)(b) and Supersedes Section
B. (5.)(d)l
All eDMRs submitted to the permit issuing authority shall be signed by a person described in
Part III, Section B. (5.) (a) or by a duly authorized representative of that person as described in
Part III, Section B. (5.) (b). A person, and not a position, must be delegated signatory authority
for eDMR reporting purposes.
For eDMR submissions, the person signing and submitting the DMR must obtain an eDMR user
account and login credentials to access the eDMR system. For more information on North
Carolina's eDMR system, registering for eDMR and obtaining an eDMR user account, please visit
the following web page:
https: I Ideq.nc.gov/about/divisions/water-resources/edmr
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Permit No. NCG060000
Certification. Any person submitting an electronic DMR using the state's eDMR system shall
make the following certification [40 CFR 122.22]. NO OTHER STATEMENTS OF
CERTIFICATION WILL BE ACCEPTED:
"1 certify, under penalty of law, that this document and all attachments were prepared under my
direction or supervision in accordance with a system designed to assure that qualified personnel
properly gather and evaluate the information submitted. Based on my inquiry of the person or
persons who manage the system, or those persons directly responsible forgathering the
information, the information submitted is, to the best of my knowledge and belief, true, accurate,
and complete. I am aware that there are significant penalties for submitting false information,
including the possibility of fines and imprisonment for knowing violations. "
4. Records Retention [Supplements Section D. (6.)]
The permittee shall retain records of all Discharge Monitoring Reports, including eDMR
submissions. These records or copies shall be maintained for a period of at least 3 years from
the date of the report. This period may be extended by request of the Director at any time [40
CFR 122.41].
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Permit No. NCG060000
PART III STANDARD CONDITIONS FOR NPDES STORMWATER GENERAL PERMITS
SECTION A: COMPLIANCE AND LIABILITY
Compliance Schedule
The permittee shall comply with Limitations and Controls specified for stormwater
discharges in accordance with the following schedule [40 CFR 122.41]:
Existing Facilities already operating but applying for permit coverage for the first
time: The Stormwater Pollution Prevention Plan shall be developed and implemented
within 12 months of the effective date of the Certificate of Coverage (COC) and updated
thereafter on an annual basis. Secondary containment, as specified in Part II, Section A,
Paragraph 2 (b) of this general permit, shall be accomplished within 12 months of the
effective date of the issuance of the COC, or as otherwise specified in the special conditions
of the COC.
New Facilities applying for coverage for the first time: The Stormwater Pollution
Prevention Plan shall be developed and implemented prior to the beginning of discharges
from the operation of the industrial activity and be updated thereafter on an annual basis.
Secondary containment, as specified in Part II, Section A, Paragraph 2 (b) of this general
permit shall be accomplished prior to the beginning of discharges from the operation of the
industrial activity.
Existing facilities previously permitted and applying for renewal under this General
Permit: All requirements, conditions, limitations, and controls contained in this permit
(except new SPPP elements in this permit renewal) shall become effective immediately
upon issuance of the Certificate of Coverage. New elements of the Stormwater Pollution
Prevention Plan for this permit renewal shall be developed and implemented within 6
months of the effective date of this general permit and updated thereafter on an annual
basis. Secondary containment, as specified in Part II, Section A, Paragraph 2 (b) of this
general permit shall be accomplished prior to the beginning of discharges from the
operation of the industrial activity.
2. Duty to Comply
The permittee must comply with all conditions of this general permit. Any permit
noncompliance constitutes a violation of the Clean Water Act (CWA) and is grounds for
enforcement action; for permit termination, revocation and reissuance, or modification; or
denial of a permit upon renewal application. [40 CFR 122.41]
a. The permittee shall comply with standards or prohibitions established under section
307(a) of the CWA for toxic pollutants within the time provided in the regulations that
establish these standards or prohibitions, even if the general permit has not yet been
modified to incorporate the requirement. [40 CFR 122.41]
b. The CWA provides that any person who violates section[s] 301, 302, 306, 307, 308, 318
or 405 of the Act, or any permit condition or limitation implementing any such sections
in a permit issued under section 402, or any requirement imposed in a pretreatment
program approved under sections 402(a)(3) or 402(b)(8) of the Act, is subject to a civil
penalty not to exceed $37,500 per day for each violation. [33 USC 1319(d) and 40 CFR
122.41(a)(2)]
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Permit No. NCG060000
c. The CWA provides that any person who negligently violates sections 301, 302, 306, 307,
308, 318, or 405 of the Act, or any condition or limitation implementing any of such
sections in a permit issued under section 402 of the Act, or any requirement imposed in
a pretreatment program approved under section 402(a)(3) or 402(b)(8) of the Act, is
subject to criminal penalties of $2,500 to $25,000 per day of violation, or imprisonment
of not more than 1 year, or both. In the case of a second or subsequent conviction for a
negligent violation, a person shall be subject to criminal penalties of not more than
$50,000 per day of violation, or by imprisonment of not more than 2 years, or both. [33
USC 1319(c)(1) and 40 CFR 122.41(a)(2)]
d. Any person who knowingly violates such sections, or such conditions or limitations is
subject to criminal penalties of $5,000 to $50,000 per day of violation, or imprisonment
for not more than 3 years, or both. In the case of a second or subsequent conviction for a
knowing violation, a person shall be subject to criminal penalties of not more than
$100,000 per day of violation, or imprisonment of not more than 6 years, or both. [33
USC 1319(c)(2) and 40 CFR 122.41(a)(2)]
e. Any person who knowingly violates section 301, 302, 303, 306, 307, 308, 318 or 405 of
the Act, or any permit condition or limitation implementing any of such sections in a
permit issued under section 402 of the Act, and who knows at that time that he thereby
places another person in imminent danger of death or serious bodily injury, shall, upon
conviction, be subject to a fine of not more than $250,000 or imprisonment of not more
than 15 years, or both. In the case of a second or subsequent conviction for a knowing
endangerment violation, a person shall be subject to a fine of not more than $500,000 or
by imprisonment of not more than 30 years, or both. An organization, as defined in
section 309(c)(3)(B)(iii) of the CWA, shall, upon conviction of violating the imminent
danger provision, be subject to a fine of not more than $1,000,000 and can be fined up
to $2,000,000 for second or subsequent convictions. [40 CFR 122.41(a)(2)]
f. Under state law, a civil penalty of not more than $25,000 per violation may be assessed
against any person who violates or fails to act in accordance with the terms, conditions,
or requirements of a permit. [North Carolina General Statutes § 143-215.6A]
g. Any person may be assessed an administrative penalty by the Administrator for
violating section 301, 302, 306, 307, 308, 318 or 405 of this Act, or any permit condition
or limitation implementing any of such sections in a permit issued under section 402 of
this Act. Administrative penalties for Class I violations are not to exceed $20,628 per
violation, with the maximum amount of any Class I penalty assessed not to exceed
$51,570. Penalties for Class II violations are not to exceed $20,628 per day for each day
during which the violation continues, with the maximum amount of any Class II penalty
not to exceed $257,848. [33 USC 1319(g)(2) and 40 CFR 122.41(a)(3)]
Duty to Mitigate
The permittee shall take all reasonable steps to minimize or prevent any discharge in
violation of this general permit which has a reasonable likelihood of adversely affecting
human health or the environment. [40 CFR 122.41(d)]
4. Civil and Criminal Liability
Except as provided in Part III, Section C of this general permit regarding bypassing of
stormwater control facilities, nothing in this permit shall be construed to relieve the
permittee from any responsibilities, liabilities, or penalties for noncompliance pursuant to
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Permit No. NCG060000
NCGS 143-215.3,143-215.6, or Section 309 of the Federal Act, 33 USC 1319. Furthermore, the
permittee is responsible for consequential damages, such as fish kills, even though the
responsibility for effective compliance may be temporarily suspended.
Oil and Hazardous Substance Liabilitv
Nothing in this general permit shall be construed to preclude the institution of any legal
action or relieve the permittee from any responsibilities, liabilities, or penalties to which the
permittee is or may be subject to under NCGS 143-215.75 et seq. or Section 311 of the
Federal Act, 33 USC 1321.
Property Rights
The issuance of this general permit does not convey any property rights in either real or
personal property, or any exclusive privileges, nor does it authorize any injury to private
property or any invasion of personal rights, nor any infringement of Federal, State or local
laws or regulations [40 CFR 122.41(g)].
Severabilitv
The provisions of this general permit are severable, and if any provision of this general
permit, or the application of any provision of this general permit to any circumstances, is
held invalid, the application of such provision to other circumstances, and the remainder of
this general permit, shall not be affected thereby [NCGS 15013-23].
8. Duty to Provide Information
The permittee shall furnish to the Permit Issuing Authority, within a reasonable time, any
information which the Permit Issuing Authority may request to determine whether cause
exists for modifying, revoking and reissuing, or terminating the general permit issued
pursuant to this general permit or to determine compliance with this general permit. The
permittee shall also furnish to the Permit Issuing Authority upon request, copies of records
required to be kept by this general permit [40 CFR 122.41(h)].
9. Penalties for Tampering
The Clean Water Act provides that any person who falsifies, tampers with, or knowingly
renders inaccurate, any monitoring device or method required to be maintained under this
general permit shall, upon conviction, be punished by a fine of not more than $10,000 per
violation, or by imprisonment for not more than two years per violation, or by both. If a
conviction of a person is for a violation committed after a first conviction of such person
under this paragraph, punishment is a fine of not more than $20,000 per day of violation, or
by imprisonment of not more than 4 years, or both [40 CFR 122.41].
10. Penalties for Falsification of Reports
The Clean Water Act provides that any person who knowingly makes any false statement,
representation, or certification in any record or other document submitted or required to
be maintained under this general permit, including monitoring reports or reports of
compliance or noncompliance shall, upon conviction, be punished by a fine of not more than
$10,000 per violation, or by imprisonment for not more than two years per violation, or by
both [40 CFR 122.41].
11. Onshore or Offshore Construction
This general permit does not authorize or approve the construction of any onshore or
offshore physical structures or facilities or the undertaking of any work in any navigable
waters.
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Permit No. NCG060000
12. Duty to Reapply
Dischargers covered by this general permit need not submit a new Notice of Intent (NOI) or
renewal request unless so directed by the Division. If the Division chooses not to renew this
general permit, the permittee will be notified to submit an application for an individual
permit. [15A NCAC 02H .0127(e)]
SECTION B: GENERAL CONDITIONS
General Permit Expiration
General permits will be effective for a term not to exceed five years, at the end of which the
Division may renew them after all public notice requirements have been satisfied. If a
general permit is renewed, existing permittees do not need to submit a renewal request or
pay a renewal fee unless directed by the Division. New applicants seeking coverage under a
renewed general permit must submit a Notice of Intent to be covered and obtain a
Certificate of Coverage under the renewed general permit. [15A NCAC 02H .0127(e)]
2. Transfers
This general permit is not transferable to any person without prior written notice to and
approval from the Director in accordance with 40 CFR 122.61. The Director may condition
approval in accordance with NCGS 143-215.1, in particular NCGS 143-215.1(b)(4) b.2., and
may require modification or revocation and reissuance of the Certificate of Coverage, or a
minor modification, to identify the new permittee and incorporate such other requirements
as may be necessary under the CWA [40 CFR 122.41(1)(3), 122.61] or state statute. The
Permittee is required to notify the Division in writing in the event the permitted
facility is sold or closed.
When an Individual Permit May be Required
The Director may require any owner/operator authorized to discharge under a certificate of
coverage issued pursuant to this general permit to apply for and obtain an individual permit
or an alternative general permit. Any interested person may petition the Director to take
action under this paragraph. [15A NCAC 02H .0127(i)-(j)] Cases where an individual permit
may be required include, but are not limited to, the following:
a. The discharger is a significant contributor of pollutants;
b. Conditions at the permitted site change, altering the constituents and/or
characteristics of the discharge such that the discharge no longer qualifies for a
general permit;
C. The discharge violates the terms or conditions of this general permit;
d. A change has occurred in the availability of demonstrated technology or practices
for the control or abatement of pollutants applicable to the point source;
e. Effluent limitations are promulgated for the point sources covered by this general
permit;
f. A water quality management plan containing requirements applicable to such point
sources is approved after the issuance of this general permit;
g. The Director determines at his or her own discretion that an individual permit is
required.
Page 17 of 29

Permit No. NCG060000
4. When an Individual Permit May be Requested
Any permittee operating under this general permit may request to be excluded from the
coverage of this general permit by applying for an individual permit. When an individual
permit is issued to an owner/operator the applicability of this general permit is
automatically terminated on the effective date of the individual permit. [15A NCAC 02H
.0127(h)]
5. Signatory Requirements
All applications, reports, or information submitted to the Permitting Issuing Authority shall
be signed and certified. [40 CFR 122.41(k)]
a. All Notices of Intent to be covered under this general permit shall be signed as follows:
(1) For a corporation: by a responsible corporate officer. For the purpose of this
Section, a responsible corporate officer means: (a) a president, secretary, treasurer
or vice president of the corporation in charge of a principal business function, or any
other person who performs similar policy or decision making functions for the
corporation, or (b) the manager of one or more manufacturing, production, or
operating facilities, provided, the manager is authorized to make management
decisions which govern the operation of the regulated facility including having the
explicit or implicit duty of making major capital investment recommendations, and
initiating and directing other comprehensive measures to assure long term
environmental compliance with environmental laws and regulations; the manager
can ensure that the necessary systems are established or actions taken to gather
complete and accurate information for permit application requirements; and where
authority to sign documents has been assigned or delegated to the manager in
accordance with corporate procedures.
(2) For a partnership or sole proprietorship: by a general partner or the proprietor,
respectively; or
(3) For a municipality, State, Federal, or other public agency: by either a principal
executive officer or ranking elected official. [40 CFR 122.22]
b. All reports required by the general permit and other information requested by the
Permit Issuing Authority shall be signed by a person described in paragraph a. above or
by a duly authorized representative of that person. A person is a duly authorized
representative only if:
(1) The authorization is made in writing by a person described above;
(2) The authorization specified either an individual or a position having responsibility
for the overall operation of the regulated facility or activity, such as the position of plant
manager, operator of a well or well field, superintendent, a position of equivalent
responsibility, or an individual or position having overall responsibility for
environmental matters for the company. (A duly authorized representative may thus be
either a named individual or any individual occupying a named position.); and
(3) The written authorization is submitted to the Permit Issuing Authority [40 CFR
122.22]
c. Changes to authorization: If an authorization under paragraph (b) of this section is no
longer accurate because a different individual or position has responsibility for the
overall operation of the facility, a new authorization satisfying the requirements of
Page 18 of 29

Permit No. NCG060000
paragraph (b) of this section must be submitted to the Director prior to or together with
any reports, information, or applications to be signed by an authorized representative
[40 CFR 122.22]
d. Certification. Any person signing a document under paragraphs a. or b. of this section
shall make the following certification [40 CFR 122.22]. NO OTHER STATEMENTS OF
CERTIFICATION WILL BE ACCEPTED:
"1 certify, under penalty of law, that this document and all attachments were prepared
under my direction or supervision in accordance with a system designed to assure that
qualified personnel properly gather and evaluate the information submitted. Based on my
inquiry of the person or persons who manage the system, or those persons directly
responsible forgathering the information, the information submitted is, to the best of my
knowledge and belief, true, accurate, and complete. I am aware that there are significant
penalties for submitting false information, including the possibility of fines and
imprisonment for knowing violations. "
General Permit Modification. Revocation and Reissuance, or Termination
The issuance of this general permit does not prohibit the Permit Issuing Authority from
reopening and modifying the general permit, revoking and reissuing the general permit, or
terminating the general permit as allowed by the laws, rules, and regulations contained in
Title 40, Code of Federal Regulations, Parts 122 and 123; Title 15A of the North Carolina
Administrative Code, Subchapter 2H .0100; and North Carolina General Statute 143-215.1 et
al.
After public notice and opportunity for a hearing, the general permit may be terminated for
cause. The filing of a request for a general permit modification, revocation and reissuance,
or termination does not stay any general permit condition. The Certificate of Coverage
shall expire when the general permit is terminated.
Certificate of Coverage Actions
The general permit may be modified, revoked and reissued, or terminated for cause. The
notification of planned changes or anticipated noncompliance does not stay any general
permit condition [40 CFR 122.41(0].
8. Annual Administering and Compliance Monitoring Fee Requirements
The permittee must pay the administering and compliance monitoring fee within 30 (thirty)
days after being billed by the Division. Failure to pay the fee in timely manner in
accordance with 15A NCAC 2H .0105(b)(2) may cause this Division to initiate action to
revoke coverage under the general permit.
SECTION C: OPERATION AND MAINTENANCE OF POLLUTION CONTROLS
Proper Operation and Maintenance
The permittee shall at all times properly operate and maintain all facilities and systems of
treatment and control (and related appurtenances) which are installed or used by the
permittee to achieve compliance with the conditions of this permit. Proper operation and
maintenance also includes adequate laboratory controls and appropriate quality assurance
procedures. This provision requires the operation of back-up or auxiliary facilities or
Page 19 of 29

Permit No. NCG060000
similar systems which are installed by a permittee only when the operation is necessary to
achieve compliance with the conditions of this permit. [40 CFR 122.41(e)]
2. Need to Halt or Reduce Not a Defense
It shall not be a defense for a permittee in an enforcement action that it would have been
necessary to halt or reduce the permitted activity in order to maintain compliance with the
condition of this general permit. [40 CFR 122.41(c)]
Bypassing of Stormwater Control Facilities
Bypass is prohibited, and the Director may take enforcement action against a permittee for
bypass unless:
a. Bypass was unavoidable to prevent loss of life, personal injury or severe property
damage; and
b. There were no feasible alternatives to the bypass, such as the use of auxiliary control
facilities, retention of stormwater or maintenance during normal periods of equipment
downtime or dry weather. This condition is not satisfied if adequate backup controls
should have been installed in the exercise of reasonable engineering judgment to
prevent a bypass which occurred during normal periods of equipment downtime or
preventive maintenance; and
c. The permittee submitted notices as required under, Part III, Section E of this general
permit.
If the Director determines that it will meet the three conditions listed above, the Director
may approve an anticipated bypass after considering its adverse effects.
4. Upsets
Effect of an upset [40 CFR 122.41(n)(2)]: An upset constitutes an affirmative defense to an
action brought for excursion from permit benchmark concentrations and/or
noncompliance with monitoring requirements if the requirements of this condition are
met. No determination made during administrative review of claims that
noncompliance was caused by upset, and before an action for noncompliance, is final
administrative action subject to judicial review.
b. Conditions necessary for a demonstration of upset: Any Permittee who wishes to
establish the affirmative defense of upset shall demonstrate, through properly signed,
contemporaneous operating logs, or other relevant evidence that:
(1) An upset occurred and that the Permittee can identify the cause(s) of the upset;
(2) The Permitted facility was at the time being properly operated;
(3) The Permittee submitted notice of the upset as required in Part III, Section E, Item
(9) of this general permit; and
(4) The Permittee complied with any remedial measures required Part III, Section E,
Item (9) of this permit.
c. Burden of proof [40 CFR 122.41(n)(4)]: The Permittee seeking to establish the
occurrence of an upset has the burden of proof in any enforcement proceeding.
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Permit No. NCG060000
SECTION D: MONITORING AND RECORDS
Representative Sampling
Samples collected and measurements taken, as required herein, shall be characteristic of
the volume and nature of the permitted discharge. Analytical sampling shall be performed
during a measureable storm event. Samples shall be taken on a day and time that is
characteristic of the discharge. All samples shall be taken before the discharge joins or is
diluted by any other waste stream, body of water, or substance. Monitoring points as
specified in this general permit shall not be changed without notification to and approval of
the Permit Issuing Authority. [40 CFR 122.41(j)]
2. Recording Results
For each measurement or sample taken pursuant to the requirements of this general
permit, the permittee shall record the following information [40 CFR 122.41]:
a. The date, exact place, and time of sampling or measurements,-
b. The individual(s) who performed the sampling or measurements;
c. The date(s) analyses were performed;
d. The individual(s) who performed the analyses;
e. The analytical techniques or methods used; and
f. The results of such analyses.
Flow Measurements
Where required, appropriate flow measurement devices and methods consistent with
accepted scientific practices shall be selected and used to ensure the accuracy and reliability
of measurements of the volume of monitored discharges.
4. Test Procedures
Test procedures for the analysis of pollutants shall conform to the EMC regulations
published pursuant to NCGS 143-215.63 et. seq, the Water and Air Quality Reporting Acts,
and to regulations published pursuant to Section 304(g), 33 USC 1314, of the Federal Water
Pollution Control Act, as Amended, and Regulation 40 CFR 136.
To meet the intent of the monitoring required by this general permit, all test procedures
must produce minimum detection and reporting levels and all data generated must be
reported down to the minimum detection or lower reporting level of the procedure. If no
approved methods are determined capable of achieving minimum detection and reporting
levels below general permit discharge requirements, then the most sensitive (method with
the lowest possible detection and reporting level) approved method must be used.
Representative Outfall
If a facility has multiple discharge locations with substantially identical stormwater
discharges that are required to be sampled, the permittee may petition the Director for
representative outfall status. If it is established that the stormwater discharges are
substantially identical and the permittee is granted representative outfall status, then
sampling requirements may be performed at a reduced number of outfalls.
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Permit No. NCG060000
6. Records Retention
Qualitative monitoring shall be documented and records maintained at the facility along
with the Stormwater Pollution Prevention Plan (SPPP). Copies of analytical monitoring
results shall also be maintained on -site or be available electronically to a DEMLR inspector
upon request. The permittee shall retain records of all monitoring information, including
o all calibration and maintenance records,
o all original strip chart recordings for continuous monitoring instrumentation,
o copies of all reports required by this general permit,
o copies of all data used to complete the Notice of Intent to be covered by this general
permit.
These records or copies shall be maintained for a period of at least 5 years from the date of
the sample, measurement, report or Notice of Intent application. This period may be
extended by request of the Director at any time. [40 CFR 122.41] If this volume of records
cannot be maintained on -site, the documents must be made available to an inspector upon
request as immediately as possible.
Inspection and Entry
The permittee shall allow the Director, or an authorized representative (including an
authorized contractor acting as a representative of the Director), or in the case of a facility
which discharges through a municipal separate storm sewer system, an authorized
representative of a municipal operator or the separate storm sewer system receiving the
discharge, upon the presentation of credentials and other documents as may be required by
law, to:
a. Enter upon the permittee's premises where a regulated facility or activity is located or
conducted, or where records must be kept under the conditions of this general permit;
b. Have access to and copy, at reasonable times, any records that must be kept under the
conditions of this general permit;
c. Inspect at reasonable times any facilities, equipment (including monitoring and control
equipment), practices, or operations regulated or required under this general permit;
and
d. Sample or monitor at reasonable times, for the purposes of assuring permit compliance
or as otherwise authorized by the Clean Water Act, any substances or parameters at any
location. [40 CFR 122.41(i)]
SECTION E: REPORTING REQUIREMENTS
Discharge Monitoring Reports
Samples analyzed in accordance with the terms of this general permit shall be submitted to
the Division on Discharge Monitoring Report (DMR) forms provided by the Director. DMR
forms are available on the Division's website (https://deq.nc.gov/about/divisionslenergy-
mineral-land-resources/npdes-industrial-stormwater). Submittals shall be delivered to the
Division no later than 30 days from the date the facility receives the sampling results
from the laboratory.
When no discharge has occurred from the facility during the report period, the permittee is
required to submit a discharge monitoring report, within 30 days of the end of the
specified sampling period, giving all required information and indicating "NO FLOW" as
per NCAC T15A 0213 .0506.
Page 22 of 29

Permit No. NCG060000
If the permittee monitors any pollutant more frequently than required by this general
permit using test procedures approved under 40 CFR Part 136 and at a sampling location
specified in this general permit or other appropriate instrument governing the discharge,
the results of such monitoring shall be included in the data submitted on the DMR. [40 CFR
§122.41(1)]
The permittee shall record the required qualitative monitoring observations on the SDO
Qualitative Monitoring Report form provided by the Division and shall retain the completed
forms on site. Qualitative monitoring results should not be submitted to the Division,
except upon DEMLR's specific requirement to do so. Qualitative Monitoring Report forms
are available at the website above.
2. Submitting Reports
One signed copy of Discharge Monitoring Reports (DMRs) shall be submitted to DWR
Central Files (not DEMLR):
Central Files
Division of Water Resources (DWR)
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
The Permit Issuing Authority may require the permittee to begin reporting monitoring data
electronically during the term of this permit. The permittee may be required to use North
Carolina's eDMR internet application for that purpose. Until such time that the state's eDMR
application is compliant with EPA's Cross -Media Electronic Reporting Regulation
(CROMERR), permittees will be required to submit all discharge monitoring data to the
state electronically using eDMR and will be required to complete the eDMR submission by
printing, signing, and submitting one signed original of the eDMR to the address above.
3. Availability of Reports
Except for data determined to be confidential under NCGS 143-215.3(a)(2) or Section 308
of the Federal Act, 33 USC 1318, all reports prepared in accordance with the terms shall be
available for public inspection at the offices of the Division. As required by the Act,
analytical data shall not be considered confidential. Knowingly making any false statement
on any such report may result in the imposition of criminal penalties as provided for in
NCGS 143-215.613 or in Section 309 of the Federal Act.
4. Non-Stormwater Discharges
If the storm event monitored in accordance with this general permit coincides with a non-
stormwater discharge, the permittee shall separately monitor all parameters as required
under all other applicable discharge permits and provide this information with the
stormwater discharge monitoring report.
Planned Changes
The permittee shall give notice to the Director as soon as possible of any planned changes at
the permitted facility which could significantly alter the nature or quantity of pollutants
discharged [40 CFR 122.41(1)]. This notification requirement includes pollutants which are
not specifically listed in the general permit or subject to notification requirements under 40
CFR Part 122.42(a).
Page 23 of 29

Permit No. NCG060000
6. Anticipated Noncompliance
The permittee shall give advance notice to the Director of any planned changes at the
permitted facility which may result in noncompliance with the general permit. [40 CFR
122.41(1)(2)]
7. Spills
The permittee shall report to the local DEMLR Regional Office, within 24 hours, all
significant spills as defined in Part IV of this general permit. Additionally, the permittee
shall report spills including: any oil spill of 25 gallons or more, any spill regardless of
amount that causes a sheen on surface waters, any oil spill regardless of amount occurring
within 100 feet of surface waters, and any oil spill less than 25 gallons that cannot be
cleaned up within 24 hours.
8. Bypass
Notice [40 CFR 122.41(m)(3)]:
a. Anticipated bypass. If the permittee knows in advance of the need for a bypass, it shall
submit prior notice, if possible at least ten days before the date of the bypass; including
an evaluation of the anticipated quality and effect of the bypass.
b. Unanticipated bypass. The permittee shall submit notice within 24 hours of becoming
aware of an unanticipated bypass.
9. Twenty-four Hour Reporting
a. The permittee shall report to the central office or the appropriate regional office any
noncompliance which may endanger health or the environment. Any information shall
be provided orally within 24 hours from the time the permittee became aware of the
circumstances. A written submission shall also be provided within 5 days of the time
the permittee becomes aware of the circumstances.
The written submission shall contain a description of the noncompliance, and its causes;
the period of noncompliance, including exact dates and times, and if the noncompliance
has not been corrected, the anticipated time compliance is expected to continue; and
steps taken or planned to reduce, eliminate, and prevent reoccurrence of the
noncompliance. [40 CFR 122.41(1)(6)]
b. The Director may waive the written report on a case -by -case basis for reports under
this section if the oral report has been received within 24 hours.
c. Occurrences outside normal business hours may also be reported to the Division's
Emergency Response personnel at [phone], [phone] or [phone].
10. Other Noncompliance
The permittee shall report all instances of noncompliance not reported under 24-hour
reporting at the time monitoring reports are submitted. [40 CFR 122.41(1)(7)]
11. Other Information
Where the Permittee becomes aware that it failed to submit any relevant facts in a Notice of
Intent to be covered under this general permit, or submitted incorrect information in that
Notice of Intent application or in any report to the Director, it shall promptly submit such
facts or information. [40 CFR 122.41(1)(8)]
Page 24 of 29

Permit No. NCG060000
PART IV DEFINITIONS
Act
See Clean Water Act.
2. Adverse Weather
Adverse conditions are those that are dangerous or create inaccessibility for personnel,
such as local flooding, high winds, or electrical storms, or situations that otherwise make
sampling impractical. When adverse weather conditions prevent the collection of samples
during the sample period, the permittee must take a substitute sample or perform a visual
assessment during the next qualifying storm event. Documentation of an adverse event
(with date, time and written narrative) and the rationale must be included with your SPPP
records. Adverse weather does not exempt the permittee from having to file a monitoring
report in accordance with the sampling schedule. Adverse events and failures to monitor
must also be explained and reported on the relevant DMR.
Allowable Non-Stormwater Discharges
This general permit regulates stormwater discharges. Non-stormwater discharges which
shall be allowed in the stormwater conveyance system are:
a. All other discharges that are authorized by a non-stormwater NPDES permit.
b. Uncontaminated groundwater, foundation drains, air -conditioner condensate without
added chemicals, springs, discharges of uncontaminated potable water, waterline and
fire hydrant flushings, water from footing drains, irrigation waters, flows from riparian
habitats and wetlands.
c. Discharges resulting from fire -fighting or fire -fighting training, or emergency shower or
eye wash as a result of use in the event of an emergency.
4. Best Management Practices (BMPs
Measures or practices used to reduce the amount of pollution entering surface waters.
BMPs may take the form of a process, activity, or physical structure. More information on
BMPs can be found at: htW://www.epa.gov/npdes/national-menu-best-management-
practices-bmps-stormwater#edu.
5. Bypass
A bypass is the known diversion of stormwater from any portion of a stormwater control
facility including the collection system, which is not a designed or established operating
mode for the facility.
6. Bulk Storage of Liquid Products
Liquid raw materials, manufactured products, waste materials or by-products with a single
above ground storage container having a capacity of greater than 660 gallons or with
multiple above ground storage containers having a total combined storage capacity of
greater than 1,320 gallons.
Certificate of Coverage
The Certificate of Coverage (COC) is the cover sheet which accompanies a general permit
upon issuance and lists the facility name, location, receiving stream, river basin, effective
date of coverage under the general permit and is signed by the Director.
Page 25 of 29

Permit No. NCG060000
8. Clean Water Act
The Federal Water Pollution Control Act, also known as the Clean Water Act (CWA), as
amended, 33 USC 1251, et. seq.
9. Division or DEMLR
The Division of Energy, Mineral, and Land Resources, Department of Environmental Quality
(DEQ), formerly the Department of Environment and Natural Resources.
10. Director
The Director of the Division of Energy, Mineral, and Land Resources, and the permit issuing
authority.
11. EMC
The North Carolina Environmental Management Commission.
12. Grab Sample
An individual sample collected instantaneously. Grab samples that will be analyzed
(quantitatively or qualitatively) must be taken within the first 30 minutes of discharge.
13. Hazardous Substance
Any substance designated under 40 CFR Part 116 pursuant to Section 311 of the Clean
Water Act.
14. Landfill
A disposal facility or part of a disposal facility where waste is placed in or on land and which
is not a land treatment facility, a surface impoundment, an injection well, a hazardous waste
long-term storage facility or a surface storage facility.
15. Measureable Storm Event
A storm event that results in an actual discharge from the permitted site outfall. The
previous measurable storm event must have been at least 72 hours prior. The 72-hour
storm interval may not apply if the permittee is able to document that a shorter interval is
representative for local storm events during the sampling period, and obtains approval
from the local DEMLR Regional Office. Two copies of this information and a written request
letter shall be sent to the local DEMLR Regional Office. After authorization by the DEMLR
Regional Office, a written approval letter must be kept on site in the permittee's SPPP.
16. Municipal Separate Storm Sewer System (MS4)
A stormwater collection system within an incorporated area of local self-government such
as a city or town.
17. No Exposure
A condition of no exposure means that all industrial materials and activities are protected
by a storm -resistant shelter or acceptable storage containers to prevent exposure to rain,
snow, snowmelt, or runoff. Industrial materials or activities include, but are not limited to,
material handling equipment or activities, industrial machinery, raw materials,
intermediate products, by-products, final products, or waste products. DEMLR may grant a
No Exposure Exclusion from NPDES stormwater permitting requirements only if a facility
complies with the terms and conditions described in 40 CFR 122.26(g).
Page 26 of 29

Permit No. NCG060000
18. Notice of Intent
The state application form which, when submitted to the Division, officially indicates the
facility's notice of intent to seek coverage under a general permit.
19. Permit Issuing Authority
The Director of the Division of Energy, Mineral, and Land Resources (see "Director" above).
20. Permittee
The owner or operator issued a Certificate of Coverage pursuant to this general permit.
21. Point Source Discharge of Stormwater
Any discernible, confined and discrete conveyance including, but not specifically limited to,
any pipe, ditch, channel, tunnel, conduit, well, or discrete fissure from which stormwater
associated with industrial activity is or may be discharged to waters of the state.
22. Representative Outfall Status (RCS
When it is established that the discharge of stormwater runoff from a single outfall is
representative of the discharges at multiple outfalls, the DEMLR may grant representative outfall
status. Representative outfall status allows the permittee to perform analytical monitoring at a
reduced number of outfalls.
23. Secondary Containment
Spill containment for the contents of the single largest tank within the containment
structure plus sufficient freeboard to allow for the 25-year, 24-hour storm event.
24. Section 313 Water Priority Chemical
A chemical or chemical category which:
b. Is listed in 40 CFR 372.65 pursuant to Section 313 of Title III of the Superfund
Amendments and Reauthorization Act (SARA) of 1986, also titled the Emergency
Planning and Community Right -to -Know Act of 1986;
c. Is present at or above threshold levels at a facility subject to SARA title III, Section 313
reporting requirements; and
d. Meets at least one of the following criteria:
i. Is listed in appendix D of 40 CFR part 122 on Table II (organic priority pollutants),
Table III (certain metals, cyanides, and phenols) or Table IV (certain toxic
pollutants and hazardous substances);
ii. Is listed as a hazardous substance pursuant to section 311(b)(2)(A) of the CWA at
40 CFR 116.4; or
iii. Is a pollutant for which EPA has published acute or chronic water quality criteria.
25. Severe Property Damage
Substantial physical damage to property, damage to the control facilities which causes them
to become inoperable, or substantial and permanent loss of natural resources which can
reasonably be expected to occur in the absence of a bypass. Severe property damage does
not mean economic loss caused by delays in production.
26. Significant Materials
Includes, but is not limited to: raw materials; fuels; materials such as solvents, detergents,
and plastic pellets; finished materials such as metallic products; raw materials used in food
processing or production; hazardous substances designated under section 101(14) of
Page 27 of 29

Permit No. NCG060000
CERCLA; any chemical the facility is required to report pursuant to section 313 of Title III of
SARA; fertilizers; pesticides; and waste products such as ashes, slag and sludge that have
the potential to be released with stormwater discharges.
27. Significant Spills
Includes, but is not limited to: releases of oil or hazardous substances in excess of
reportable quantities under section 311 of the Clean Water Act (Ref: 40 CFR 110.3and 40
CFR 117.3) or section 102 of CERCLA (Ref: 40 CFR 302.4).
28. Stormwater Discharge Outfall (SDO)
The point of departure of stormwater from a discernible, confined, or discrete conveyance,
including but not limited to, storm sewer pipes, drainage ditches, channels, spillways, or
channelized collection areas, from which Stormwater flows directly or indirectly into waters
of the State of North Carolina.
29. Stormwater Runoff
The flow of water which results from precipitation and which occurs immediately following
rainfall or as a result of snowmelt.
30. Stormwater Associated with Industrial Activitv
The discharge from any point source which is used for collecting and conveying stormwater
and which is directly related to manufacturing, processing or raw material storage areas at
an industrial site. Facilities considered to be engaged in "industrial activities" include those
activities defined in 40 CFR 122.26(b)(14). The term does not include discharges from
facilities or activities excluded from the NPDES program.
31. Stormwater Control Measure (SCM)
A permanent structural device that is designed, constructed, and maintained to remove
pollutants from Stormwater runoff by promoting settling or filtration or mimic the natural
hydrologic cycle by promoting infiltration, evapo-transpiration, post -filtration discharge,
reuse of stormwater, or a combination thereof.
32. Stormwater Pollution Prevention Plan (SPPPI
A comprehensive site -specific plan which details measures and practices to reduce
stormwater pollution and is based on an evaluation of the pollution potential of the site.
33. Total Maximum Dailv Load (TMDL
TMDLs are written plans for attaining and maintaining water quality standards, in all
seasons, for a specific water body and pollutant. A list of approved TMDLs for the state of
North Carolina can be found at http://deg.nc.gov/about/divisions/water-
resources [planning/modeling-assessment/tmdls.
34. Toxic Pollutant
Any pollutant listed as toxic under Section 307(a)(1) of the Clean Water Act.
35. Upset
An exceptional incident in which there is an unintentional and temporary excursion from
permit benchmark concentrations and/or noncompliance with monitoring requirements
beyond the reasonable control of the permittee. An upset does not include noncompliance
to the extent caused by operational error, improperly designed treatment or control
Page 28 of 29

Permit No. NCG060000
facilities, lack of preventative maintenance, or careless or improper operation. Benchmark
exceedances during an upset condition shall not trigger tier response actions.
36. Vehicle Maintenance Activity
Vehicle rehabilitation, mechanical repairs, painting, fueling, lubrication, vehicle cleaning
operations, or airport deicing operations. For the purposes of this permit, vehicle
maintenance activity includes equipment maintenance that uses hydraulic oil and that is
stored or used outside, or otherwise exposed to stormwater.
37. Visible Sedimentation
Solid particulate matter, both mineral and organic, that has been or is being transported by
water, air, gravity, or ice from its site of origin which can be seen with the unaided eye.
38. 25-year, 24-hour Storm Event
The maximum 24-hour precipitation event expected to be equaled or exceeded, on the
average, once in 25 years.
Page 29 of 29

CITY OF CHARLOTTE
CHARLOTTE WATER
CHARLOI-rE, NORTH CAROLINA
PERMIT
To Discharge Wastewater Cinder The
Industrial Pretreatment Program
Permit Number 5016
In compliance with the provisions of Chapter 23 of the Charlotte City Code, North Carolina General Statute 143-215.1, 40 CFR403, and
other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission and the
City of Charlotte, the following industry,
Orbit Energy Charlotte LLC
hereafter referred to by name or as the Permittee, is hereby authorized to:
i . Operate a pretreatment facility, consisting of an eq ualization tank bioIo ical treatment with activated stud a settlin g tank
and a DAF system for clarification and recovery of sludge, located at 600 Johnson Road, Charlotte, NC 28206:
2. After receiving authorization to construct from the Control Authority, construct and operate additional pretreatment units
as needed to meet final effluent limitations, monitoring requirements and all other conditions set forth in Parts 1, II, and I II
hereof; and
3. Discharge wastewater from the pretreatment facility into the Sugar Creek Wastewater Treatment Plant, NPDES Number
NCO024937 in accordance with effluent limitations, monitoring requirements and all other conditions set forth in Parts I, lI
and III hereof.
This permit shall become effective June 1, 2019.
This permit and the authorization to discharge shall expire on May 31.2024.
Bill Gintert
Environmental Compliance Manager
Charlotte Water - System Protection
4222 Westmont Drive
Charlotte, North Carolina 28217

Part I - Page 2
Permit # 5016
PART 1. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
A. Description of Discharges
Pipe Description
001 Wastewater is generated from the pretreatment of liquid digestate that comes from the anaerobic digestion of organic food
waste. Pretreatment wastewater includes process wastewater, air -pollution control wastewater, equipment washdown, facility
washdown, and chiller condensate. Pipe 001 is the intake to and/or outlet from the approved primary measuring device.

Part 1- Page 3
Permit # 5016
B. Effluent Limits and Monitoring Requirements - Final
Effective June 1.2019 and lasting until May 31, 2024, the Permittee
is authorized to discharge from Pipe 00I to the City of Charlotte's
POTW, Sugar Creek Wastewater Treatment Plant,
NPDES Number NC0024937, This discharge shall be limited and monitored as
specified below. Parameters and prohibitions not included below
shall be regulated and limited in compliance with the sewer use
ordinance and 40 CFR 403.
Effluent Limitations
[lbs/day]
Monitoring
Frequency
unless otherwise noted
Limited
Daily
Sample
Parameter
Maximum
Tvpe
Citv
Permittee
Flow (1)
0.180 MGD
Metered
4**13 months
Continuous
Ammonia as N
400
Comp.
4**/3 months
4**/month
CBODs
1700
Camp.
4**/3 months
4**/3 months
COD
* * *
Comp.
4 * */3 months
4**/3 months
Cr,T
* * *
Comp.
4 * */3 months
4**/3 months
Cu,T
***
Comp.
4**/3 months
4**/3 months
Hg, T
***
Camp.
4**/3 months
4**/3 months
Cyanide
***
Grab
4**/3 months
4**/3 months
Oil & Grease,T
100 mall
Grab
4**13 months
4**13 months
Ni,T
* �*
Camp.
4**13 months
4**/3 months
N, T
* * *
Comp.
4 * */3 months
4**/3 months
Ag,T
***
Camp.
4**/3 months
4**13 months
TSS
1800
Camp.
4**13 months
4**/ month
Mo, T
***
Comp.
4**/3 months
4**13 months
Se, T
***
Comp.
4**13 months
4**/3 months
Zn,T
2.50
Comp.
4**13 months
4**/3 months
pH
* S.U.
Grab
4**/3 months
4**/3 months
Phosphorus, T
75
Comp.
4**/3 months
4**/month
PCB (2) <0.003 m&J Comp. l **/3 months 1* */3 months
Total Toxic 5.0 mg! Comp/Grab 1 **/12 months 1 **13 months
Organics (3)
* pH must be greater than or equal to 6.0 and less than or equal to 12.0 at all times.
** Grab or 24-hour flow proportional composite samples collected for four consecutive discharge days or the given number
on the monitoring frequency
*** No limits at this time, only monitoring.
(1) Wastewater meter.
(2) See Part 111, F
(3) Total Toxic Organics ("TTOs") is defined as all purgeable, base/neutral, and acid organic compounds specified in the "scope
and application" portions of 40 CFR, Part 136. Please see Part III, E.

Part I - Page 4
Permit # 5016
C. Monitoring and Reporting
I . Representative Sampling
Samples and measurements taken as required herein shall be representative of the volume and nature of the monitored
discharge. All samples shall he taken at the monitoring points specified in this permit and, unless otherwise specified, before
the effluent joins or is diluted by any other wastestream, body of water or substance. Monitoring points shall not be changed
without notification to, and approval by, .the pen -nit issuing authority.
2. Reporting
a. The Pennittee shall monitor February, May, August, and November for parameters listed in Part I, B., with the
exception of Ammonia, Phosphorus, and TSS which shall be monitored monthly per Chapter 23 of the
Charlotte City Code. Monitoring information documented on the CLTWater-SP developed forms along with a
completed Periodic Self -Monitoring Report ("PSMR") Certification form shall be delivered to the Control
Authority no later than the twentieth day of the month following the month in which the samples were taken. If no
discharge occurs during the reporting period, "no discharge" shall be reported. Copies of these and all other
reports required herein shall be delivered to the Control Authority at the following address. Electronic reporting
and the use of electronic signatures are also permissible, see Si_1D Section 23-91 (p).
Charlotte Water
System Protection
4222 Westmont Drive
Charlotte, North Carolina 28217
b. If sampling performed by the Pennittee indicates a violation(s), the Permittee shall notify the Control Authority
within 24 hours of becoming aware of the violation(s). The Permittee shall also repeat the sampling(four
consecutive discharge days) and analysis for the parameters) in violation and deliver the required monitoring
information, documented on the CLTWater-SP developed forms, along with a completed PSMR Certification
form to the Control Authority within thirty(30) days of becoming aware of the violation(s). A TTO violation
shall require repeat sampling for only one (1) discharge day. All other parameter violations shall require
repeat sampling for four (4) consecutive discharge days.
3. Definitions
In addition to the definitions in the City Code, the following definitions and requirements apply:
a. A "comp." sample for monitoring requirements shall be defined as:
A 24 hour flow proportional composite sample which consists of a series of aliquots of equal volume collected from a
representative point in the discharge stream over a 24 hour period with the time intervals between aliquots determined
by a preset number of gallons passing through Pipe 001. Flow measurement between aliquot intervals shall be
determined by the approved flow measurement device and wastewater flow meter, and the preset gallon interval
between aliquot collection fixed at no greater than 1 /24 of the expected total daily flow through Pipe 001.
b. A "grab" sample for monitoring requirements is defined as a single "dip and take" sample collected at a representative
point in the actively flowing discharge stream.
c, "4**/3 months" is defined as monitoring for four consecutive discharge days every three months. "1 **/3 months" is
defined as monitoring for one discharge day every three months. "4**/month" is defined as monitoring for four
consecutive discharge days every month.
d. "Continuous" far the purpose of flow monitoring is defined as the measure of discharge flow from the facility which is
documented in the form of a strip chart and occurs without interruption.
e. "Daily" or "day" is defined as any 24(twenty-four) hour period.
f "Control Authority" is defined as the City of Charlotte's Charlotte Water- System Protection ("CLTWater-SP").
g. "POTW" is the abbreviation for publicly owned treatment works.

Part I - Page 5
Permit # 5016
h. The City of Charlotte Sewer Use Ordinance is contained in the Charlotte, North Carolina, City Code chapter 23,
article III.
4. Test Procedures
Test procedures for the analysis of pollutants shall be performed in accordance with the methods prescribed in 44 CFR Part 136
and amendments thereto (unless specified otherwise in the monitoring conditions of this permit) by a laboratory certified by the
State of North Carolina to perform the analyses required on pretreatment program samples.
5. Additional Monitoring by Permittee
If the Penn ittee monitors any pollutant at the €ocation(s) designated herein more frequently than required by this permit, using
approved analytical methods as specified above, the results of such monitoring shall be delivered to the Control Authority. The
Control Authority may require more frequent monitoring or the monitoring of other pollutants not required in this permit by
written notification.
6. Reporting Requirements
a. Required analytical information shall be documented on the form prescribed by the CLTWater-SP known as the City
of Charlotte Industrial User CLTWater-SP Periodic Self -Monitoring Report("PSMR") Form by the laboratory
performing the analyses. Required information may include, but shall not be limited to, the following:
I . permit number and name of the industrial user(Pertnittee);
2. date sample(s) collected, interval flow volume and corresponding COC number;
3. lab sample id, laboratory name, N.C.W.W. Laboratory Certification number, name and signature of
laboratory supervisor, and date signed; and
4. prep and analytical methods, prep and analysis start date(s) and times, prep and analyst's initials, the
detection limit of the analysis and the analytical result in mg/1 and/or parameter specific units.
b. Required sample handling and collection information shall be documented on the form prescribed by the CLTWater-
SP known as the City of Charlotte Industrial User CLTWater-SP Chain of Custody ("COC") Record Form. Required
information may include, but shall not be limited to, the following:
l . COC number, permit number, permit effective dates, name of the industrial user (Permittee), and physical
facility address of the industrial user(Permittee);
2. sample type(composite or grab), composite type(flow, time or hand), and composite start and stop date(s)
and times;
3. name and signature of sample collector;
4. date sample(s) collected, time(s) grab(s) collected and time composite poured into individual sample bottles,
and sample(s)' description and location;
5. container type(plastic or glass) and volume, as well as number of containers, chemical preservative, and
analyses requested;
6. lab use only sections requiring documentation of lab sample id number(s), if samples were received on ice
and properly field preserved, if volatile organic samples had zero headspace and Teflon septa, and if samples
were in proper containers upon receipt into the lab; and
7. date(s) and times samples relinquished and received prior to and upon receipt into the lab, the signatures and
affiliation of all individuals handling the samples prior to and upon receipt into the lab, and the N.C. W. W.
Certification Number of the lab receiving the samples(documented as the affiliation of the individual
receiving the samples for the lab).
c. Required composite sampling details, flow readings, and field pH information shall be documented on the form
prescribed by the CLTWater-SP known as the City of Charlotte Industrial User CLTWater-SP Field Measurement
Record ("FMR") Form. Required information may include, but shall not be limited to, the following:
name of industrial user(permittee), physical address of the facility, sampling location, and corresponding
COC number;
automatic composite sampler information such as composite type(flow or time), the identity of the individual
who programmed the sampler, programmed start collection date and time, actual sampler end collection date
and time, number of aliquots comprising the composite, programmed pulse or time interval, sampler flow
pulse equivalent, and documentation as to whether or not the composite sample was iced during collection;

Part I - Page 6
Permit # 5016
3. hand composite information such as process wastewater start and stop discharge date(s) and times, aliquot
collection times, identity of the individual collecting the aliquots, and documentation as to whether or not the
aliquots were chilled upon collection;
4. flow measurement information such as meter type(s)(i.e. wastewater, water, in -product, etc.), meter reporting
units, dates and times non-resettable totalizers read initially and finally, final and initial non-resettable
totalizer readings, interval flow volume in gallons, and the identity of the individual(s) obtaining the non-
resettable totalizer readings;
5. field pH measurement information such as date and time pH sample collected, time field pH analysis
performed if different from the collection time, identity of the individual(s) collecting and analyzing the pH
sample, the pH result in S.U. as well as the sample temperature(in Celsius); and
6. miscellaneous information such as whether or not "upon set up of the automatic sampling equipment for day
1, the sample collection bottle and tubing were clean and if not, why?".
d. The Permittee shall certify to the accuracy of the self -monitoring submittal by properly completing the form
prescribed by the CLTWater-SP known as the City of Charlotte Industrial User CLTWater-SP Periodic Self -
Monitoring Report("PSMR") Certification Form, and having the appropriate company official(see Part I1, I. of this
permit) sign where specified. Required information may include, but shall not be limited to, the following;
L permit number and name of the industrial user(permittee);
2. sample date(s) and monitoring event type(s);
3. documentation ofviolations(ifany) as well as when and how the CLTWater-SP was notified ofthe violations
to comply with Part 1, C. 2. b. of this permit; and
4. the name, signature, and title of the company official making the certification as well as the date signed.
D. Flow Measurement & Monitoring Point
1. The Permittee shall provide and operate monitoring facilities for the inspection, sampling and flow measurement of the
Permittee's process wastewater discharges.
2. The approved wastewater teeter shall be calibrated, at a minimum, once every six months by the manufacturer's authorized
service representative.
3. The Pen-nittee is responsible for the periodic maintenance and calibration ofthe approved measurement device and wastewater
flow meter to assure accuracy. The Permittee shall, upon request of the Control Authority, furnish maintenance and calibration
records.
4. There shall be interface capability with an lsco model composite sampler (contact closure); the interface line shall be purchased
by the Permittee. The Control Authority monitoring shall take precedence; therefore, a splitter cable, purchased by the
Permittee, will enable both the Control Authority and the Permittee to monitor at the same time and insure no interruption
occurs in the Permittee's self -monitoring event.
5. The wastewater meter must have a non-resettable mechanical totalizer that reads in cubic feet or gallons.
6. The wastewater meter must have permanent flow records (i.e. strip chart recordings) that include the following basic
information: date, time, totalizer reading (with units), interval flow volume (with units), maximum flow rate (with units),
primary measuring device type, and scale of the chart printout (with units). Any interruption in such records is a violation of
this permit and may result in a fine of at least S 10 0. 00 each day the interruption is allowed to continue.
T. Flow monitoring equipment and the sampling point shall be located in an area accessible to the Control Authority personnel
without prior notification. The Control Authority must be supplied with any keys and/or other tools necessary to perform the
aforementioned.
S. There shall be no by-pass capability ofthe wastewater metering devices and monitoring point(s). Bypass is prohibited and the
Control Authority may take enforcement action against a user for an unauthorized bypass. The Permittee is required, within
thirty days after receipt ofthis permit, to deliver to the Control Authority certification that all process wastewaters discharged
into the City of Charlotte's POTW, flow through pipe 001 as specified in Part 1, A. of this permit.
9. The wastewater meter shall have a back-up power source (battery or generator) to insure uninterrupted measurement of the
discharge flow in the event of a power failure. The back-up source shall provide power to the wastewater meter's sensor and
strip chart for a minimum of 12 hours.
10. The Permittee shall maintain strip charts and maintenance and calibration records for a minimum of three years.

Part I I — Page I
Permit #5016
GENERAL CONDITIONS
A. Duty to Comply
The Permittee must comply with all conditions of this permit. Any permit noncompliance constitutes a violation of the City Code
and is grounds for possible enforcement action including, but not limited to, $25,000,00 Civil Penalty per occurrence.
B. Duty to Mitigate - Prevention of Adverse Impact
The Permittee shal I take all reasonable steps to minimize or prevent any discharge in violation of this permit which has a reasonable
likelihood of adversely affecting human health, the PCTW, the waters receiving the POTW's discharge, or the environment.
C. Facilities Operation
The Permittee shall at all times maintain in good working order and operate as efficiently as possible, all control facilities or systems
installed or used by the Permittee to achieve compliance with the terns and conditions of this permit. Bypass of treatment facilities
is prohibited except when approved in advance by the Control Authority. Bypass approval shall be given only when such bypass is
in compliance with 40 CFR 403.17.
D. Removed Substances
Solids, sludges, filter backwash, or other pollutants removed in the course of treatment or control of wastewaters shall be disposed
of in a manner such as to prevent any pollutants from such materials from entering the POTW. The Permittee is responsible for
assuring its compliance with any requirements regardingthe generation, treatment, storage, and/ordisposal of"Hazardous Waste" as
defined under the Federal Resource Conservation and Recovery Act.
E. Upset Conditions
An "upset" means an exceptional incident in which there is an unintentional and temporary noncompliance with the effluent
limitations of this permit because of factors beyond the reasonable control of the Permittee. An upset does not include
noncompliance to the extent caused by operationa€ error, improperly designed or inadequate treatment facilities, lack of preventative
maintenance, or careless or improper operations.
An upset may constitute an affirmative defense for action brought for the noncompliance. The Permittee has the burden of proof to
provide evidence and demonstrate that none of the factors specifically listed above were responsible for the noncompliance.
F. Right of Entry
The Permittee shall allow the staff of the State of North Carolina Department of Environmental Quality, Division of Water
Resources, the Regional Administrator of the Environmental Protection Agency, the City of Charlotte, and/or their authorized
representatives, upon the presentation of credentials:
1. to enter upon the Permittee's premises where areal or potential discharge is located or in which records are required to be
kept under the terms and conditions of this permit; and
2. at reasonable times to have access to and copy records required to be kept under the terms and conditions of this permit; to
inspect any monitoring equipment or monitoring method required in this permit; and to sample any discharge ofpollutants.
G. Availability of Records and Reports
The Permittee shall retain records of all monitoring information, including all calibration and maintenance records as well as copies
of reports and information used to complete the application for this permit for at least three years. All records that pertain to matters
that are subject to any type of enforcement action shall be retained and preserved by the Permittee until all enforcement activities
have concluded and all periods of limitation with respect to any and all appeals have expired.
Except for data determined to be confidential under the City Code, all reports prepared in accordance with terms of this permit shall
be available for public inspection at the City of Charlotte. As required by the Code, effluent data shall not be considered
confidential.

Part 11— Page 2
Permit 45016
H. Duty to Provide Information
The Permittee shall furnish to the Control Authority or his designee, within a reasonable time, any information which the Director,
his designee, or the Division of Water Resources may request to determine whether cause exists for modifying, revoking and
reissuing, or terminating this permit or to determine compliance with this permit. The Permittee shall also furnish, upon request,
copies of records required to be kept by this hermit.
1. Signatory Requirements
All reports or information delivered pursuant to the requirements of this permit must be signed and certified by the Authorized
Representative as defined in Chapter 23 of the City Code. If the designation of an Authorized Representative is no longer accurate
because a different individual or position has responsibility for the overall operation of the facility, or overall responsibility for
company related environmental matters, a new authorization satisfying the requirements of this section must be submitted to the
Control Authority prior to or together with any reports to be signed by an authorized representative.
J. Toxic Pollutants
If a toxic effluent standard or prohibition (including any schedule of compliance specified in such effluent standard or prohibition) is
established under Section 307(a) of the Federal Clean Water Act for a toxic pollutant which is present in the discharge and such
standard or prohibition is more stringent than any limitation for such pollutant in this permit, this permit may be revised or modified
in accordance with the toxic effluent standard or prohibition and the Permittee so notified.
K. Civil and Criminal Liability
Nothing in this permit shall be construed to relieve the Permittee from civil or criminal penalties for noncompliance.
L. Federal and/or State Laws
Nothing in this permit shall be construed to preclude the institution of any legal action or relieve the Permittee from any
responsibilities, liabilities, or penalties established pursuant to any applicable Federal and/or State law or regulation.
M. Penalties
Chapter 23 of the City Code provides that any person who violates a permit condition is subject to a civil penalty not to exceed
$25,000 per violation per day for as long as the violation(s) continues.
The District Attorney for the applicable Judicial District may, at the request ofthe Control Authority, prosecute non -compliant users
who violate the provisions of N.C.G.S. 143-215.613.
N. Need to Halt or Reduce not a Defense
It shall not be a defense for a Permittee in an enforcement action that it would have been necessary to halt or reduce the permitted
activity to maintain compliance with the conditions of the permit.
D. Transferability
This permit shall not be reassigned or transferred or sold to a new owner, new user, different premises, or a new or changed
operation without approval of the Control Authority.
P. Property Rights
This permit does not convey any property rights in either real or personal property, or any exclusive privileges, nor does it authorize
any injury to private property or any invasion of personal rights, nor any infringement of Federal, State or local laws or regulations.
Q. Severability
The provisions of this permit are severable and, if any provision of this permit or the application of any provision of this permit to
any circumstances is held invalid, the application of such provision to other circumstances and the remainder ofthis permit shall not
be affected thereby.

Part I I — Page 3
Permit #501 G
R. Pen -nit Modification, Revocation, Termination
This permit may be modified, revoked and reissued or terminated with cause in accordance to the requirements ofthe City Code and
North Carolina General Statute or implementing regulations.
S. Reapplication for Permit Renewal
The Penn ittee is responsible for filing a complete and accurate application for reIssuance of this permit at least 180 days prior to its
expiration date.
T. Dilution Prohibition
The Penn Ittee shall not increase the use of potable or process water or in any other way attempt to dilute the discharge as a partial or
complete substitute for adequate treatment to achieve compliance with the limitations contained in this permit.
U. Notification of Changed Conditions
The Permittee shall give notice to the Control Authority 90 days prior to any planned facility expansion, production increase or
decrease, or process modification which has the potential to result in new or substantially increased or decreased discharges or a
change in the nature or quality of the discharge. This shall also apply to any substantial changes in the relative proportions or
dilution flow and regulated flow, whether increases or decreases. The Permittee shall not proceed with that facility expansion,
production increase, or process modification until receiving written approval from the Control Authority.
V. Construction
No construction of pretreatment facilities or additions thereto shall begin until Final Plans and Specifications have been delivered to
the Control Authority and written approval and an Authorization to Construct have been issued.
W. Sludge Management Plan
Ninety days prior to the initial disposal of sludge generated by any pretreatment facility, the Permittee shall deliver a sludge
management plan to the Control Authority.
X. Categorical Standard Reopener
This permit shall be modified, or alternatively, revoked and reissued, to comply with any applicable effluent standard or limitation
issued or approved under Sections 302(b)(2)(C), and (D), 304(b)(2), and 307(a)(2) of the Clean Water Act, if the effluent standard
or limitation so issued or approved:
(1) contains different conditions or is otherwise more stringent than any effluent limitation in this permit; or
(2) controls any pollutant not limited in this permit.
The permit as modified or reissued under this paragraph shall also contain any other requirements of the Act then applicable.
Y. Accidental Discharges and Slug Loads
The Permittee shall provide protection from accidental and slug discharges ofprohibited materials and other substances regulated by
this permit. The Permittee shall also notify the PDTW immediately of any changes at its facility affecting the potential for spills and
other accidental discharge, discharge of a non -routine, episodic nature, a non -customary batch discharge, or slug load as defined in
Section 23-77 of the City Code. The Pennittee shall develop and implement a written slug/spill control plan and submit it to the
Control Authority within 120 days of receipt of this permit for approval by the Control Authority. The plan shal I include, but is not
limited to: description of discharge practices, including non -routine batch discharges; description of stored chemicals; procedures
for immediately notifying the POTW of slug discharges that would cause a violation of 40 CFR 403.5(b), with procedures for
notification within 5 days; and if necessary, procedures to prevent adverse impact from accidental spills, including inspection and
maintenance of storage areas, handling and transfer of materials, loading and unloading operations, control of plant site run-off,
worker training, building of containment structures or equipment, measures for containing toxic organic pollutants (including
solvents), and/or measures and equipment for emergency response. A copy of this plan shall be delivered to the Control Authority
by the implementation date.

Part II — Page 4
Permit #5416
The Permittee shall notify the Control Authority immediately of all discharges that could cause problems to the POTW
including any slug loadings as defined by 40 CFR 403.5(b) and Section 23-77 of the City Code. If the Pennittee experiences
such a discharge, they shall speak with the Operator -in -Charge at the Sugar Creek W WTP, telephone number [phone]
and with an individual of the Control Authority, telephone number 7( 04) 336-4407 immediately upon the first awareness of the
commencement of the discharge. Should the Permittee be unable to speak with the Operator -in -Charge and with the Control
Authority personnel upon calling the specified numbers, a message or the phone number where the Permittee can be reached
shall be left on the Control Authority's emergency phone by calling [phone].
A written follow-up report describing the cause of the discharge and measures taken to prevent similar future occurrences shall be
filed with the Control Authority by the Permittee within five (5) days of the discharge. Such written notification shall not relieve the
Permittee from any liability which may be incurred as a result of the discharge.
Z. General Prohibitive Standards
The Permittee shall comply with the general prohibitive discharge standards in 40 CFR 403.5(a) and (b) ofthe Federal pretreatment
regulations.

Part III —Page I
Permit #5016
SPECIAL CONDITIONS
A. The permit shall be reopened and modified or revoked and reissued to comply with any applicable effluent standard or limitation for
the control of any pollutant shown through he ad works analysis to contribute to interference, inhibition, pass through and/or toxicity
at the POTW. Similarly, permit modification or reissuance shall be made for any pollutant that is otherwise limited by or appears on
the POTW's NPDES discharge permit and/or is limited by 503 sludge regulations. The permit as modified or reissued under this
paragraph may also contain any other requirements of local, State or Federal pretreatment regulations then applicable.
B. The Penn ittee was responsible for filing complete and accurate information for issuance of this renewed permit. Said information
consisted of an application dated November 28 201$ with corrections submitted on March 8 2019 and Mpay 3,2019, and an
inspection on May 3, 2019. Should the Permittee determine that said information was incomplete and/or inaccurate in any manner;
the Permittee shall notify the Control Authority immediately in writing. Such notice shall identify the information which was
incomplete and/or inaccurate and shall include the new complete and accurate information as well as an explanation ofthe impact of
the new complete and accurate information on the existing permit,
C. The Permittee is responsible for communicating all requirements and conditions of this permit to all applicable persons.
D. Within one hundred and eighty days of the issuance of this permit, the permittee shall develop and de liver to the Control Authority a
waste minimization plan.
E. Total Toxic Organics ("TTO"). The following shall be summed and the total evaluated against the imposed limit, if any:
- Al] volatile compounds (specified in the Scope and Application portion of40 CFR 136- Method 624) detected or reported as
undetected above 0.010 mg/l.
- Al] semi -volatile compounds (specified in the ,Scope and Application portion of 40 CFR 136- Method 625) detected or
reported as undetected above 0.100 mg/l.
F. All PCB compounds (specified in the Scope and Application portion of40 CFR 136- Method 608) shall be summed, and the
total evaluated against the imposed limit, if detected or reported as undetected above 0.001 mg/l.
G. Any concentration of PCB greater than or equal to 0.003 ppm, as may be detected during Permittee or CLTWater monitoring at
effluent pipe 00I, shall require an investigation into the cause of the presence of the PCB. A detailed report shall be submitted
to the Control Authority within five business days of first learning of the presence of PCBs greater than or equal to 0.003 ppm
in the Permittee's effluent as measured at Pipe 001. If PCB concentration is greater than 10 ppm, the Penn ittee shall
immediately cease discharge until the Control Authority grants permission to resume discharge in writing,
H. ShouId the Permittee plan to accept grease trap waste directly, they shall notify CLTWater in writing at least 90 days prior to
receiving such waste. Permit will be modified upon such a request to include, but not limited to, the following;
- Retaining of grease hauler manifests
- Samples retained from each truck received
- Onsite testing to screen for PCBs
1. The Permittee may receive recycled grease product from any recycled grease product supplier which screens al incoming loads
to the supplier's facility daily using the Magnetic Particle Enzyme -Linked Immunosorbent Assay (ELISA) analysis. The
following conditions apply:
I . No PCB's were detected, in the supplier's tests, above l Oppm (parts per million) using the ELISA analysis for any
product which is to be received by the Permittee.
2. Certification by the supplier that ELISA analysis was run and log records from ELISA analysis must be received from
recycled grease product supplier for each load received by the Penn ittee. Records shall be retained by the Penn ittee
for a minimum of 3 years and provided to CLTWater upon request,
3. Manifest records for each load shipped to the Permittee shall be delivered by the supplier to the Permittee. Records
shall be retained by the Permittee for a minimum of 3 years and provided to CLTWater upon request.

Part IV— Page I
Permit#5016
PFRMIT MOD1FICATtot4 HISrroRY
June 1. 2019 — Permit Renewal. Flow was increased at the request of the industry, and there was available capacity for the PQTW.
Ammonia limit was added since the industry has had high loadings. Phosphorus was reduced due to available allocation at the PQTW,
but is still about 45% of the MAIL due to industry need. Zinc limit was added due to loadings. TSS limit was added and monitoring
changed to monthly due to high loadings. Selenium and Molybdenum were added for monitoring only due to being detected during POC
testing. Cadmium monitoring was removed due to low levels consistently in the effluent. Reduced the city's TTO monitoring to yearly.
Updated the map and Pipe 001 description in Part I. A. Edited the language in Special Condition F. Update language in Part I. C. 2. b.
for single day compliance monitoring for TTO violations.
May 2. 2018 — Permit modification. Changed Phosphorus from a concentration based limit to pounds per day limit and increased
allocation due to industry need and available allocation. Increased the sampling frequency for Phosphorus and Ammonia due to the high
loading. Added "4**/month" to definitions. Updated the sampling month language in Part]. D. 2. a. Updated Part I. C. "Schedule of
Compliance". Sugar Creek W WTP phone number updated.
June 1, 2017 — Permit modification for the Permittee to accept recycled grease product. Special condition H added "directly" to the
language. Special Condition I was added. The permit end date was extended from September 30, 2019 to May 31, 2019 to allow for 2
years of monitoring prior to permit renewal.
October 12016 — New Industrial User Permit issued. Most sampling parameters are set for monitoring only in order to establish
baseline data for the new industry. CBOD and Phosphorus limits have been set below 5% of the MAHL of Sugar Creek W WTP. Oil
and Grease limit set to limit the buildup of FOG in the collection system.

Appendix G
Fire Inspection Report
hart hickman
SMARTER ENVIRONMENTAL SOLUTION5

N
Charlotte Fire Department
Fire Inspection Report
Prepare for your next inspection at: http:llFirePrevention.CharlotteFire.org
40
Inspector: Basham, Timothy Inspection Date: 8/1/2017 Insp Phone Num-. 7049953249
BUSINESS INFORMATION Contact Name: Mike
Business Name: CEP - Chadotte Anaerobic Digestion Power Plant - OFW Occ Use: Miscellaneous Inspection Type: General Inspection
Tank
Address: 600 JOHNSON RD, Charlotte NC, 28262 Unit:00013
Permit Due Date: Inspection District: HIT - Basham
(Office Use Only)
No Violations
Property Use: 900, Outside or special property, other
Frequency Days: 365
VIOLATIONS
ADDITIONAL NOTES 0000000000
Emergency Contacts ISee Facility
ORBIT ENERGY CHARLOTTE LLC
14120 BALLANTYNE CORPORATE PL. STE 400
Charlotte, NC. 28277
**YOU WILL RECEIVE AN INVOICE FOR THE FIRE INSPECTION FROM THE CITY OF CHARLOTTE*"
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