NCG140381_COMPLETE FILE - HISTORICAL_20160712

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STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT NO.
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DOC TYPE
LO HISTORICAL FILE
❑ MONITORING REPORTS
DOC DATE
❑
YYYYM M DD

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is
Energy, Mineral
and Land Resources
ENVIRONMENTAL QUALITY
July 12, 2016
Mr. James F. Lochren
Capital Ready Mix Concrete
512 Three Sisters Road
Knightdale, NC 27545
PAT MCCRORY
Governor
DONALD R. VAN DER VAART
Secretary
TRACY DAVIS
Director
Subject: NPDES Stormwater Permit NCG140381
Capital Ready Mix Concrete
Formerly Jenco Associates
Wake County
Dear Mr. Lochren:
Division personnel received your request to revise your stormwater permit Certificate of
Coverage to accurately reflect your new company and/or facility name.
Please find enclosed the revised Certificate of Coverage. The terms and conditions contained
in the General Permit remain unchanged and in full effect. This revised Certificate of
Coverage is issued under the requirements of North Carolina General Statutes 143-215.1 and
the Memorandum of Agreement between North Carolina and the U.S. Environmental
Protection Agency.
If you have any questions or need further information, please contact the Stormwater
Permitting Program at [phone].
cc: Raleigh Regional Office
Stormwater Permitting Program Files
Central Files
Mr. Andrew Jones, Kimley Horn
.Wake County Environmental Services
Sincerely,
ORIGINAL SIGNED BY
BETHANY GEORGOULIAS
for Tracy E. Davis, P.E., CPM, Director
Division of Energy, Mineral and Land
Resources
AUG 16 2016
NG DENR Raleigh Regional Office
State of Noah Carolina I Environmental Quality I Energy, Mineral and Land Resources
1612 Mail Service Center 1512 North Salisbury Street I Raleigh, North Carolina 27699-1612
919 707 9220 T

STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF ENERGY, MINERAL, AND LAND RESOURCES
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE No. NCG140381
STORMWATER AND PROCESS WASTEWATER DISCHARGES
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision 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,
Capital Ready Mix Concrete
is hereby authorized to operate approved wastewater treatment system(s) and discharge
stormwater and/or wastewater, as approved in the original permit/application or subsequent
permit modification, from a facility located:
Capital Ready Mix Concrete
512 Three Sisters Road
Knightdale
Wake County
to receiving waters designated as an unnamed tributary (UT) to Marks Creek, a class C; NSW
water in the Neuse River Basin in accordance with the effluent limitations, monitoring
requirements, and other conditions set forth in Parts I, II, III, and IV of General Permit No.
NCG140000 as attached.
This certificate of coverage shall become effective July 12, 2016.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day July 12, 2016.
ORIGINAL SIGNED BY
BETHANY GEORGOULIAS
for Tracy E. Davis, P.E., Director
Division of Energy, Mineral, and Land Resources
By the Authority of the Environmental Management Commission

Kimley>>)Horn
Transmittal
3001 Weston Parkway
Cary, North Carolina 27513
TEL [phone]
FAX [phone]
Date: September 2, 2015 Job Number: 012858001
Project Name: Capital Ready Mix Concrete
To: Cory Larsen
NCDENR
1628 Mail Service Center
Raliegh, NC 27699
Teleohone No. [phone]
We are sending these by
❑ U.S. Mail 0 FedEx ❑ Hand Delivery
❑ Other
We are sending you
❑ Attached ❑ Under separate cover via
❑ Shop drawings ® PrintslPlans ❑ Samples
❑ Other
Conies Date No. Description
the following items:
❑ Specifications Cl Change Orders
Z
1
9/2/2015
1
Updated Stormwater Pollution Prevention Plan
t t,
rh
to v+ "n
These are transmitted as checked below:
® For your use ❑ Approved as submitted
❑
Resubmit ❑
Copies for approval
❑ As requested ❑ Approved as noted
❑
Submit ❑
Copies for distribution
❑ For review and comment ❑ Returned for corrections
❑
Return ❑
Corrected prints
Copy to: Jim Lochren, File Signed:

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Stormwater Pollutions
Da
Prevention Plan 2
Prepared for
Capital Ready Mix Concrete Plant
512 Three Sisters Road
Wake County, NC
Prepared by
Kimley-Horn and Associates, Inc.
3001 Weston Parkway
Cary, NC 27513
July 1, 2008
Revised May, 2014
Revised August, 2015

TABLE OF CONTENTS
1.0 INTRODUCTION
1.1 Background
1.2 SPPP Content
2.0 SPPP COORDINATOR AND DUTIES
3.0 FACILITY DESCRIPTION
3.1 Facility Location
3.2 Site Activities
3.3 Site Description
3.4 Storm Water Drainage System
4.0 IDENTIFICATION OF POTENTIAL STORM WATER CONTAMINANTS
4.1 Significant Material Inventory
4.2 Historic Spill and Leak Record
4.3 Potential Areas for Storm Water Contamination
4.4 A Summary of Available Storm Water Sampling Data
5.0 STORM WATER MANAGEMENT CONTROLS
5.1 Compliance with Other Programs
5.2 Storm Water Management Practices
5.3 Storm Water Treatment
6.0 FACILITY MONITORING PLAN
6.1 Outfall 1 (SDO)
6.2 Outfall 2 (PWD)
6.3 Analytical Response Actions
6.4 Annual Inspection
7.0 COMPLIANCE AND REPORTING REQUIREMENTS
7.1 SPPP and SPPP Summary
7.2 Employee Training
7.3 Implementation Schedule
7.4 Record Retention Requirements
7.5 Principal Executive Officer Signature
7.6 Provisions for Amendment of the Plan
7.7 Corporate Certification
Appendix A: INSPECTION LOGS AND FORMS
Appendix B: SPILL PREVENTION AND RESPONSE PLAN
2-

LIST OF TABLES
I Stormwater Drainage Areas
2 Significant Materials Used
3 Locations of Potential Sources of Stormwater Contamination
4 Analytical Monitoring Requirements Summary for Outfall I (SDO)
5 Sampling Schedule for Outfall 2 (PWD)
6 Analytical Monitoring Requirements Summary for Outfall 2 (PWD)
7 Implementation Schedule
8 BMP Implementation Schedule
LIST OF FIGURES
1 Facility Location
2 Site Map
3 Drainage Map
4 USGS Quad Map
- 3 -

1.0 INTRODUCTION
1.1 Background
1n 1972, Congress passed the Federal Water Pollution Control Act (FWPCA), also known
as the Clean Water Act (C WA), to restore and maintain the quality of the nation's
waterways. The ultimate goal was to make sure that rivers and streams were fishable,
swimmable, and drinkable. In 1987, the Water Quality Act (WQA) added provisions to
the CWA that allowed the EPA to govern storm water discharges from industrial
activities. EPA published the final notice for Phase I of the Multi -Sector General Storm
Water Permit program (Federal Register Volume 60 No. 189, September 20, 1995, page
50804) in 1995 which included provisions for the development of a Stone Water
Pollution Prevention Plan (SPPP) by each industrial facility discharging storm water,
including ready mix concrete facilities.
Development, implementation, and maintenance ofthe SPPP will equip Capital Ready
Mix Concrete with the tools to reduce pollutants contained in storm water discharges and
comply with the requirements of the General Storm Water Permit issued by the State of
North Carolina (Permit No. NCG 140000). The primary goals of the SPPP will be to:
i Identify potential sources of pollutants that affect storm water discharges from the
site;
Describe the practices that will be implemented to prevent or control the release of
pollutants in storm water discharges; and
Create an implementation schedule to ensure that the practices described in this SPPP
are in fact implemented and to evaluate the plan's effectiveness in reducing the
pollutant levels in storm water discharges.
➢ Create a Spill Prevention and Response Plan outlining the stormwater specific actions
to be taken in the event of a pollutant spill onsite.
-4-

1..2 SPPP Content
This SPPP includes all of the following
➢ Identification of the SPPP coordinator with a description of this person's duties;
9 Identification of the SPPP implementation team members;
➢ Description of the facility including information regarding the facility's location and
activities as well as a site description, site maps, and a summary of the storm water
drainage system;
> Identification of potential storm water contaminants;
➢ Description of storm water management controls and various Best Management
Practices (BMPs) necessary to reduce pollutants in storm water discharge;
Description of the facility monitoring plan; and a
I Description of the implementation schedule and provisions for plan amendments.
1.3 Revisions to SPPP Content
This SPPP was approved and the NTCG140000 permit was received on November 21,
2008. After the approval, additional construction took place on the site. The additional
construction does not violate the original NCG 140000 permit, but will require the
following updates to the SPPP:
➢ Change all references from Jenco Concrete to Capital Ready Mix Concrete
Updated all site, drainage area, and impervious numbers to reflect the new
construction.
9 Attach an additional figure showing updated site plan (Figure 2b)
In addition, the Original NCG140000 permit expired and a renewal application for
coverage under the NCG140000 effective from July 1, 2011 to June 30, 2016 was
submitted in June of 2015. The SPPP has been updated to reflect the requirements under
the new NCG140000:
Added a USGS Map
➢ Added a Spill Prevention and Response Plan
�> Updated Site and Drainage Maps to reflect con struction/improvements to the site
➢ Added Analytical Monitoring to Facility Monitoring Plan
-5-

2.0 SPPP COORDINATOR AND DUTIES
The SPPP coordinator for the facility is Mr. Vincent Washington (Phone # 919-995-
0522). Mr. Washington's duties include the following:
➢ Create a SPPP team to aid in the implementation of the SPPP plan;
➢ Implement the SPPP plan;
➢ Oversee maintenance practices identified as BMPs in the SPPP;
➢ Implement and oversee employee training;
➢ Conduct or provide for inspection or monitoring activities;
➢ Identify other potential pollutant sources and make sure they are added to the plan;
➢ Identify any deficiencies in the SPPP and make sure they are corrected;
➢ Prepare and submit reports; and
➢ Ensure that any changes in facility operation are addressed in the SPPP.
To aid in the implementation of the SPPP plan; the members of the SPPP team are;
Vincent Washington and Tim Brown. They will ensure that all housekeeping and
monitoring procedures are implemented and will ensure the integrity of the structural
BMPs.
-6-

I
3.0 FACILITY DESCRIPTION
3.1 Facility Location
The Capital Ready Mix Concrete Plant is a 6.10-acre site located at 512 Three Sisters
Road in Wake County, North Carolina. Figure l presents a map showing the location of
the site. The facility is bound to the north by an undeveloped industrial parcel, to the
west by Three Sisters Road, to the south by a railroad track, and to the east by a railroad
track and undeveloped residential property adjacent to US 64.
3.2 Site Activities
The Capital Ready Mix Concrete Plant consists of a maintenance area where maintenance
activities are performed on ready mix trucks, an office, a maintenance garage, a sand and
gravel truck unloading area, a truck washout area, a ready nix truck loading area and a
mix plant. Based on site activities, the Capital Ready Mix Concrete falls under the
Standard Industrial Classification code of 3273. Typically, the facility operates 10 hours
per day, 6 days per week, and maintains a staff of approximately 15 people.
3.3 Site Description
The total area of the site is approximately 6.1 acres and approximately 3.1 acres, or 51
percent, is impervious (i.e., pavement, buildings). The impervious area consists of a 0.8-
acre concrete maintenance area with operations building, a 1.8-acre compacted sand and
gravel truck unloading area, ready mix truck loading area and truck washout area, and a
0.5 acre secondary driveway and storage area. The remainder of the site consists of a I -
acre area for stormwater management and septic and approximately 2 acres of
undeveloped wooded area. Storm drainage and process wastewater sheet flows north to
south across the site. Figure 2 is a facility Site Map showing the major site features.
-7-

3.4 Storm Water Drainage System
The site can be divided into 3 major drainage areas. Table 1 describes the significant
characteristics of each drainage area. Figure 3 shows the locations of the drainage areas
and the apparent storm water drainage patterns. Drainage area DA-03 located along the
perimeter of the property is undeveloped wooded area and generally covered by
vegetation. Because of the absence of site activities in this area, this drainage is not
significant and will not be addressed further in this SPPP. Paved parking areas are
affected by plant operations and therefore are included in this SPPP.
Drainage areas DA-01 (parking lot and roof drains from the office/maintenance building),
DA-02 (sand and gravel truck unloading area, truck washout area, fueling station, and
ready mix manufacturing area), and DA-03 (undeveloped wooded and grassed areas)
ultimately discharge to Marks Creek through a 30-inch CMP culvert under the railroad
tracks at the south end of the site. Marks Creek empties into the Neuse River
approximately 8 miles downstream. The Neuse River is a major tributary of Pamlico
Sound.
Table 1
Stormwater Drainage Areas
Total
Impervious
Runoff
Drainage
Drainage
Storm water Flow
Surface
Coefficient
AreaM
Description
Size
Area
(2)
Discharge
(s9 R)
Pointg
s . ft.
Parking Area and
Office/Maintenance
DA-01
Building: Sheet flow across
99,317
33,977
Low
POI — A
the paved area to a vegetated
Swale.
Sand and Gravel Truck
Unloading Area, Truck
DA-02
Washout Area, Fueling
(Including
Station, and Ready Mix
78 408
77,537
High
POI —A
Wash Down
Manufacturing Area:
Area)
Overland flow across the
compacted gravel area to
aggregate it
Undeveloped
Wooded/Grassed Area: All
DA-03
vegetated areas located along
79 279
13,504
Low
POI —A
the perimeter of the property.
Flow from this area bypasses
the site stonnwater system.
(1) See Figure 3 for drainage areas
(2) Runoff Coefficient:
High: 70-100% impervious (example: asphalt, buildings, paved surfaces) 3-5
Medium: 40-70% impervious (example: packed soils)
Low: 0-40% impervious (example: grassy areas)

4.0 IDENTIFICATION OF POTENTIAL STORM
WATER CONTAMINANTS
This section identifies significant materials located at the facility that may potentially
contaminate storm water. Additionally, the section presents a record of past spills and
leaks, identifies potential areas for storm water contamination, and suiinnarizes available
storm water sampling data.
4.1 Significant Material Inventory
Materials used by the facility that have the potential to be present in storm water runoff
are listed in Table 2. This table includes information regarding material type, chemical
and physical description, and the specific regulated storm water pollutants associated
with each material.
4.2 Historic Spill and Leak Record
The facility has no records of spills in uncovered areas.
4.3 Potential Areas for Storm Water Contamination
The following potential source areas of stoma water contamination were identified and
evaluated:
➢ Parking and Office/Maintenance Building area: Employees park their vehicles and
concrete trucks park overnight in the parking lot area. Storm water from this area can
be potentially contaminated by leaking fluids from the parked vehicles. These
contaminants may contain mineral oil, petroleum distillates, benzene, ethyl benzene,
toluene, xylene, and MTBE.
Sand and Gravel Truck Unloading area: Trucks unload sand and gravel in the sand
and gravel truck unloading area. Stone water from this area can be potentially
contaminated by fluids leaking on to the gravel surface from the trucks and by sand
and gravel spills. These contaminants may contain mineral oil, benzene, toluene,
xylene, MTBE, silicon, dissolved solids, suspended solids, calcium sulfate, tricalcium
aluminate, and tetracalcium ahi nnroferrite.
i Truck Washout area: Truck drums and the exterior of trucks are cleaned in the truck
washout area. Storm water from this area can be potentially contaminated by waste
water from truck cleaning operations and by leaking fluids from trucks. These
contaminants may contain mineral oil, benzene, MTBE, silicon, suspended solids,
calcium sulfate, calcium oxide sulfonated melamine -formaldehyde, alkyl benzene
sulfonates, methyl -ester -derived cocamide diethanolamine, and hydrochloric acid.
-9-

i Fueling Station: Maintenance and fueling activities are performed on ready mix
concrete trucks in the maintenance area. Storm water from this area can be potentially
contaminated by fluids leaking from the trucks during the maintenance activities and
spills and leaks at the fueling station. These contaminants may contain mineral oil,
petroleum distillates, benzene, ethyl benzene, toluene, xylene, and MTBE.
➢ Ready Mix Manufacturing area: Cement is loaded into the ready mix trucks at the
ready mix truck loading area. Storm water from this area can be potentially
contaminated by leaking fluids from trucks and cement spills or leaks during loading
activities. These contaminants may contain benzene, MTBE, calcium oxide,
sulfonated melamine -formaldehyde, calcium chloride, ethanol amine, fungicides, and
insecticides
Table 3 presents site specific information regarding storm water pollution potential from
each of these areas.
4.4 Summary of Available Storm Water Sampling Data
Capital Ready Mix Concrete has no available sampling data because the facility is new
and sampling has not been conducted at the site to date.
Table 2
Significant Materials Used
Trade Name
Chemical/Physical
Storm WaterPollutantsu)
Material
Description(')
Limestone, marl, chalk
White solid
Calcium carbonate. turbidity
Lime
White to slightly yellowish
Calcium Oxide
solid
Clay, sand, shale
Solid
Silicon, suspended solids, turbidity
Bauxite, iron ore, recycled metals
Solid
Aluminum, iron, tricalcium aluminate,
tetracalcium ahuninofer'ite
Silicates
Fine powder
Dicalcium and tricalcium silicates
Gypsum (calcium and sulfur
White solid
Calcium sulfate
based mineral)
Waste fuel (motor oil, spent
Various colored liquids,
Mineral oil, petroleum distillates
solvents, printing inks, paint
pastes, and solids, petroleum
residues, cleaning fluids, scrap
hydrocarbons
tires
Workability agents,
Solid or aqueous solutions
Sulfonated melamine -formaldehyde,
sulfonated naphthalene formaldehyde
-superplasticizers
Air -entraining admixtures
Liquid
Alkyl benzene sulfonates, methylester-
derived cocamide diethanolamire
Admixtures
Free flowing granules, gases,
Calcium chloride, ethanol amine,
solids, liquids
diethanolamiite, fungicides,
germicides, insecticides
Wastewater recovered from truck
Water
Oil & grease, solids, hydrochloric acid
cleaning
Gasoline
Colorless, pale brown or
Benzene, ethyl benzene, toluene,
pink petroleum hydrocarbon
xylene, MTBE
(1) Data obtained from MSDSs when available
10-

Table 3
Locations of Potential Sources of Storm Water Contamination
Drainage
Potential Storm
Potential Pollutant
Potential Problem
Arealtl
Water Contamination
Point
DA-01
Parking Lot and
Gasoline, waste fuel
Leaking fluids from parked vehicles
Office/Maintenance
in the parking lot.
Building Area
DA-02
Sand and Gravel Truck
All materials in "Fable 2
All materials in Table 2 Leaking
Unloading Area, Truck
fluids from trucks and wastewater
Washout Area, Fueling
from cleaning and washout
Station, and Ready -Mix
activities, fluid spills and leaks
Manufacturing Area
during fueling, maintenance and
loading operations activities
DA-03
Undeveloped Wooded
None
None
Area
(1) See Figure 3 for drainage areas
-11-

5.0 STORM WATER MANAGEMENT CONTROLS
This section discusses the storm water management controls required by the pennit and
describes the management practices selected to address the areas of concern identified in
Section 4 of this SPPP.
5.1 Compliance with Other Programs
Storage of waste petroleum products and spent cleaning solvents complies with the
requirements of the Resource Conservation and Recovery Act (RCRA). Under RCRA,
Capital Ready Mix Concrete conducts weekly inspections of the area storing the fluids to
verify placarding, storage times, and the integrity of storage containers. During the
RCRA inspection, leaks or spills which may impact storm water are noted and cleaned
immediately. The BMPs included in this SPPP are also intended to prevent soil and
ground water contamination which could lead to a CERCLA enforcement action.
Capital Ready Mix Concrete has also developed a Spill Prevention and Response Plan
(SPRP) which outlines response measures to be taken in the event of a spill.
5.2 Storm Water Management Practices
Upon reviewing the potential pollutants at the facility and the facility operations, Capital
Ready Mix Concrete prepared a list of planned Best Management Practices (BMPs).
When implemented, these BMPs will control the discharge of potential pollutants in
storm water runoff for each area of concern. Active and passive treatment BMPs were
developed with a goal to remove 85% of all storm water pollutants. The list of BMPs
was reviewed by the operations manager for applicability and feasibility. Figure 2 shows
the structural BMPs that will be implemented to prevent storm water contamination.
-12-

DA-01
To prevent storm water impacts in the parking and office/maintenance building area (DA-
01), the following BMP will be implemented:
➢ All maintenance activities will take place inside the maintenance garage and drip pans
will be used at all times to collect leaking fluids.
➢ All fluid containers stored in the maintenance garage will be placed on pallets with
secondary containment (a plastic grate on top of a tub approximately nine inches deep
to contain any spills or leaks).
➢ The fluid containers will be inspected weekly for leaks and deterioration. Any leaks
identified during the inspection will be immediately cleaned using a dry absorbent.
➢ An emergency spill kit and telephone will be placed inside the maintenance garage.
➢ All spills which reach the storm system will be reported to the National Response
Center at 1-800-424-8802.
DA-02
To prevent storm water impacts in the sand and gravel truck unloading, truck washout,
fueling station; and ready -mix concrete manufacturing areas (DA-02), the following
BMPs will be implemented:
➢ The area will be sloped to an aggregate pit to contain possible fluid spills and
sand/gravel spills.
➢ Curbing will be placed along the perimeter of the area to provide for easier cleanup of
contaminants.
➢ A spray wash rather than a hose wash system will be employed to clean the exterior
of the trucks.
➢ To minimize the waste water generated from truck drum washing, chemical
stabilizing admixture systems will be used. The use of chemical admixtures will
bypass the need to remove the wash water from the drums because the cement in the
wash water will not be able to harden. The wash water can then remain in the drum
and be calculated into the next mix of concrete.
➢ The fuel storage tank will be inspected weekly for leaks and deterioration. Any leaks
identified during the inspection will be immediately cleaned using a dry absorbent.
➢ The fuel pump nozzles at the fueling station will be equipped with automatic back
pressure shut-off to prevent overfilling of fuel tanks.
➢ The supplies necessary to clean a fuel spill (a broom, a shovel, kitty litter, saw dust, a
55-gallon drum) will be stored in close proximity to the fueling station to be
inunediately available in the event of a spill.

Site Wide Control Measures
In order to prevent contaminated storm water from entering the Neuse River, the
following site wide control measures will be implemented within two years of the date of
this plan:
9 An aggregate pit and detention pond will be constructed in the south portion of the
property to slow the flow of water from the process areas (DA-02) and allow the
heavier suspended matter to settle out. Overflow from the pond will drain to an
existing 30-inch diameter CMP under the adjacent railroad. The aggregate pit and
pond will be designed to limit the discharge of effluent to 30 mg/1 suspended solids
and 5 ml/l settleable solids.
➢ A water quality monitoring system will be constructed in the south portion of the
property to adjust the pH of the flow of water entering the pond from the process area
to be within the acceptable range of 6 — 9 SU.
The aggregate pit will discharge to the detention pond.
5.3 Storm Water Treatment
New storm water treatment measures will be implemented at the facility. As discussed in
Section 5.2, an aggregate pit and detention pond will be installed to control discharge of
solids from the process area portions of the site.
-14-

6.0 FACILITY MONITORING PLAN
The site contains two stormwater outfalls requiring monitoring. Outfall I is considered a
Stormwater Discharge Outfall (SDO), Outfall 2 is considered a Process Wastewater
Discharge (PWD). The analytical and qualitative monitoring samples listed in this
section shall be completed unless adverse weather conditions prevent sample collection.
Inability to sample due to adverse weather conditions must be documented in the Record
of Adverse Weather Conditions form in Appendix A.
6.1 Outfall 1 (SDO)
Analytical Monitoring
Samples will be collected from Outfall 1 twice per year by an employee under the SPPP
Coordinator's direction. The first monitoring event shall occur during a measurable
storm event between January 151 and June 30`s of the given year and the second
monitoring event shall occur during a measurable storm event between July I" and
December 3151. Note that a minimum of 60 days should separate each monitoring event.
A measurable storm event is a rainfall event that results in flow from the permitted site
outfall. The measurable storm event during sampling must be at least 72 hours after the
previous measurable storm event.
An employee under the SPPP Coordinator's direction will go to Outfall 1 and collect at
least % liter of stormwater in a plastic container during the first 30 minutes of a
measureable storm event. Within 15 minutes staff will measure pH of sample with
Litmus paper and record in the Stormwater Discharge Ou fall (SDO) — Semi -Annual
Monitoring Form in Appendix A. The sample will then be placed on ice and transported
to an NCDENR certified laboratory for TSS analysis within 48 hours.
At the end of the rainfall event, an employee under the SPPP Coordinator's direction will
read the onsite rain gauge and record the total rainfall depth (in inches) and the event
duration (in minutes) in the Stormwater Discharge Outfall (SDO) — Semi -Annual
Monitoring Form in Appendix A. Finally, an employee under the SPPP Coordinator's
direction will record the TSS results when provided by the lab in the Stormwater
Discharge Outfall (SDO) — Semi -Annual Monitoring Form in Appendix A. Table 4
summarizes the required sampling for Outfall 1.
- 15 -

Table 4
Analytical MonitorinIZ Requirements Summary for Outfall 1 (SDO)
Discharge
Units
Measurement
Sample Type
Sample
Benchmark
Characteristics
Frequency
Location
Values
Semi-annual
pH
Standard
Grab
Outfall1
6.0-9.0
twice per ear
Total Suspended
Semi-annual
mg/L
Grab (>0.5 L)
Outfall 1
t00
Solids
(twice per car
Semi-annual
Event Duration
Minutes
Site
twice per car
Semi-annual
Total Rainfall
Inches
Onsite Gauge
Site
twiceper ear
All records shall be maintained on site for at least 5 years from the date of the sample. If
sampling results are above a benchmark value, or outside of the benchmark range, for any
stormwater parameter at any outfall; then the SPPP Coordinator shall implement the
Analytical Response Actions described in Section 6.3.
Qualitative Monitoring
Qualitative monitoring of the stormwater outfall will be conducted twice per year
during the analytical monitoring event. The qualitative monitoring will be completed
by an employee under the SPPP Coordinator's direction. Blank Stormwater Discharge
Outfall (SDO) Qualitative Monitoring Reports can be found in Appendix A of this SPPP.
Information recorded during the qualitative monitoring will include:
➢ Color
➢ Odor
➢ Clarity
➢ Floating Solids
➢ Suspended Solids
➢ Foam
➢ Oil Sheen
➢ Erosion or Deposition at the outfall
➢ Other Indicators of stormwater pollution
If the permittee's qualitative monitoring indicates that existing stormwater BMPs are
ineffective, or that significant stormwater contamination is present, the SPPP Coordinator
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.
IQI

6.2 Outfall 2 (PWD)
Analytical Monitoring
Samples will be collected from Outfall 2 four times per year during a discharge in
accordance with the schedule described in Table 5.
Table 5
Sampling Schedule for Outfall 2 (PWD)
Quarterly
Monitoring Events
Start Date
(All Years)
End Date (All
Years)
1
January 1
March 31
2
Aril 1
June 30
3
July 1
September 30
4
October I
December 31
Discharges will likely occur following the washdown of several trucks or during a
rainfall event. An employee under the SPPP Coordinator's direction will record the
duration of the discharge event and measure the flowrate at Outfall 2 in units of gallons
per day. In addition, an employee under the SPPP Coordinator's direction will collect at
least 3 liters of stormwater from Outfall 2 in plastic containers during the first 30 minutes
of the discharge event. Within 15 minutes an employee under the SPPP Coordinator's
direction will measure the PH of the sample with Litmus paper. The discharge duration,
the flowrate, and the pH value will be recorded in the Process Wastewater — Quarterly
Discharge Monitoring Report for Outfall 2 in Appendix A. The sample will then be
placed on ice and transported to an NCDENR certified laboratory for TSS, SS, and TPH
analysis within 48 hours. Finally, the an employee under the SPPP Coordinator's
direction will record the TSS, SS, and TPH results when provided by the lab in the
Process Wastewater — Quarterly Discharge Monitoring Report for Outfall 2 in Appendix
A and retain the analytical monitoring results onsite for at least 5 years from the date of
the sample. Table 6 summarizes the required sampling for Outfall 2.
Table 6
Analytical Monitoring Requirements Summary for Outfall 2 (PWD)
Discharge
Measurement
Sample
Sample
Effluent
Characteristics
Units
Frequency
Type
Location
Limitations
H
Standard
Quarterly
Grab
Outfall2
6.0-9.0
Total Suspended
mg/L
Quarterly
Grab
Outfall 2
30
Solids
>0.5 L
Settleable Solids
mUL
Quarterly
Q y
Grab
Outfall 2
5
>0.5 L
Total Petroleum
Grab
Hydrocarbons (TPH)
mg/1
Quarterly
Outfall 2
-
EPA Method 1664
(>2L)
Discharge Duration
Minutes
Quarterly
Flowrate
I Gallons/day
Quarterly
Outfall 2-
- 17-

If sampling results are above a benchmark value, or outside of the benchmark range, for
any stormwater parameter at any outfall; then the SPPP Coordinator shall implement the
Analytical Response Actions described in Section 6.3.
6.3 Analytical Response Actions
Tier One — If the first valid sampling results are above a benchmark value, or outside of
the benchmark range, for any stormwater parameter at any outfall; then the SPPP
Coordinator shall:
(1) Conduct a stormwater management inspection of the facility within two weeks of
receiving the sampling results.
(2) Identify and evaluate possible causes of the benchmark value exceedance.
(3) Identify potential and select the specific: source controls, operational controls, or
physical improvements to reduce concentrations of the stormwater parameters of
concern, and/or to bring concentrations within the benchmark range.
(4) Implement the selected actions within two months of inspection.
(5) Record each instance of a Tier One Response Appendix A of the Stormwater
Pollution Prevention Plan. 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.
Tier Two — During the term of this permit, the first valid sampling results from two
consecutive monitoring periods are above the benchmark values, or outside of the
benchmark range, for any specific stormwater parameter at a specific discharge outfall;
then the SPPP Coordinator shall:
(1) Repeat all the required action outlined in Tier One.
(2) Immediately institute monthly monitoring for all stormwater parameters 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 the 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. "No flow" reports will not be considered as one of the
three consecutive sample results under the benchmark.
(4) Maintain a record of the Tier Two response in Appendix A of the SPPP.
-18-

Tier Three — During the term of this permit, if the valid sampling results required for the
permit monitoring periods exceed the benchmark value, or are outside the benchmark
range, for any specific stormwater parameter at any specific outfall on four occasions,
then permittee shall notify the DWR Regional Office Supervisor in writing within 30
days of receipt of the fourth analytical results. DWR may but is not limited to:
(1) Require that the permittee revise, increase, or decrease the monitoring frequency
for the remainder of the permit;
(2) Rescind coverage under the General Permit, and require that the permittee apply
for an individual stormwater discharge permit;
(3) Require the permittee to install structural stormwater controls;
(4) Require the permittee to implement other stormwater control measures; or
(5) Require the permittee to perform upstream and downstream monitoring to
characterize impacts on receiving waterbodies.
6.4 Annual Inspection
An annual storm water compliance inspection will be conducted approximately one year
following implementation of this SPPP and annually thereafter. The inspection will
determine if the BMPs have been implemented and will assess their effectiveness. The
inspection will also determine if site operations have changed since development of this
SPPP. If operational changes have been made, the SPPP Coordinator will determine if
those changes have impacted storm water quality and develop new BMPs to address the
changes. All operational changes and new BMPs will be recorded in this SPPP.
Additionally, the inspection date, the inspection personnel, the scope of the inspection,
major observations, and any needed revisions will be recorded. Revisions to the plan will
occur within 14 days after the annual inspection. Blank annual compliance inspections
forms can be found in Appendix A of this SPPP.
-19-

7.0 COMPLIANCE AND REPORTING
REQUIREMENTS
7.1 SPPP and SPPP Summary
As per the requirements of Capital Ready Mix Concrete general permit number
NCG140000, Capital Ready Mix Concrete is required to prepare a SPPP by the effective
date of July 1, 2008. The SPPP was updated in August, 2015 and will be kept at the
facility and will be made available to the state or federal compliance inspection officer
upon request.
7.2 Employee Training
An employee training program will be developed and implemented to educate employees
about the requirements of the SPPP. This education program will include background on
the components and goals of the SPPP and hands-on training in spill prevention and
response, good housekeeping, proper material handling, disposal and control of waste,
container filling and transfer, and proper storage, washing, and inspection procedures.
All new employees will be trained within one week of their start date. Additionally, all
employees will be required to participate in an annual refresher training course. An
employee sign -in sheet for the refresher course can be found in Appendix A of this
document. The training program will be reviewed annually by the SPPP coordinator to
determine its effectiveness and to make any necessary changes to the program.
7.3 Implementation Schedule
In accordance with the State of North Carolina, the SPPP implementation schedule is
presented in Table 7. Table 8 presents the implementation schedule for the individual
BMPs. This schedule corresponds to the Judy 1, 2008 effective date of the SPPP.
Table 7
Implementation Schedule
Stormwater Pollution Prevention
Action Items
Implementation Date
Implement employee training
Immediate
Semi -Annual Stormwater Discharge Outfall
Qualitative and 'Analytical Monitoring
September I, 2008; February 1, 2009; and
biannually thereafter
Quarterly Process Wastewater Analytical
Monitoring
August 1, 2008; November 1, 2008, February I,
2009; May I, 2009; and quarterly thereafter
Implementation of DMPs
See Table 5
Annual facility site compliance inspection
February I, 2009 and annually thereafter
-20-

Table 8
BMP Implementation Schedule
Drainage
Best Management Practices
Implementation
Area0)
Date
DA-01
All maintenance activities will take place inside the maintenance
Immediately
garage.
Drip pans will be used during all maintenance activities.
Immediately
All fluid containers in the maintenance garage will be stored on
Containers will be
pallets with secondary containment.
inspected weekly.
An emergency spill kit and telephone will be placed inside the
Immediately
maintenance garage.
DA-02
The process area will be sloped and curbing will be placed along the
Immediately
perimeter.
Fuel pump nozzles will be equipped with automatic back pressure
Within 30 days
shut-off.
A spill prevention plan will be prepared.
Within 30 days
An emergency fuel spill kit will be placed at the fueling station.
Within 30 days
A spray wash system with flow controls will be implemented to clean
Immediately
the exterior of trucks.
Chemical stabilizing admixtures will be used to minimize drum waste
Within 6 months
water.
An aggregate pit will be installed at the low point of the process area
Immediately
to collect stormwater run-off.
The aggregate pit will overflow into the new detention pond.
Immediately
A detention pond will be installed to control solids from stormwater
Immediately
run-off from the process area.
A water quality monitoring system will be installed to control the pH
Immediately
of stormwater entering the new detention pond.
(1) See Figure 3 for drainage areas.
-21-

7.4 Record Retention Requirements
Records described in the SPPP must be retained on site for 5 years beyond the date of the
cover letter notifying the facility of coverage under a storm water permit, and shall be
made available to the state or federal compliance inspection officer upon request.
Additionally, employee training records and waste and recycling receipts or vouchers
shall also be maintained.
7.5 Principal Executive Officer Signature
In accordance with the State of North Carolina, this plan has been approved and signed
by Mr. James Lochren, the authorized representative responsible for the operation of the
facility.
7.6 Provisions for Amendment of the Plan
If the facility expands, experiences any significant production increases or process
modifications, or changes any significant material handling or storage practices which
could impact storm water, the SPPP will be amended appropriately. The amended SPPP
will have a description of the new activities that contribute to the increased pollutant
loading and planned source control activities. The SPPP will also be amended if the state
or federal compliance inspection officer determines that it is ineffective in controlling
storm water pollutants discharged to waters.
7.7 Corporate Certification
I certify under penalty of law that this document and all attachments we're prepared under
my direction or supervision in accordance with a system designed to assure that qualified
personnel properly gathered and evaluated the information submitted. Based on my
inquiry of the person or persons who manages the system, or those persons directly
responsible for gathering 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 fine and
imprisonment for knowing violations.
Name:
Title: V 6 ctJW
Date: 57_ILL
_22_

Refresher Course
Employee Sign -In Sheet
Date Employee Name Employee Signature
-24-

Annual Facility Site Compliance Inspection Log (1)
Date
Drainage
Potential
Changes in
BMP
Current
Implementation
Area
Pollutants
Drainage
Effective
and
Schedule for
and Source
Conditions or
(Y/N)
Proposed
proposed BMPs
Operations
BMPs
Since Last
Inspection(2)
DA-0I
Leaking fluids
from parked
vehicles in the
parking lot and
fluid spills
during
maintenance
activities
DA-02 — Sand
Fluid spills
and gravel
during
unloading area
maintenance
activities and
fuel leaks
durin fuelin .
DA-02 —
Leaking fluids
Truck washout
from trucks
areas
and sand and
gravel spills
during
unloading
operations.
DA-02 —
Leaking fluids
Fueling station
from trucks
and
wastewater
from cleaning
and washout
DA-02 —
Leaking fluids
Ready Mix
from trucks
manufacturing
and cement
area
spills and leaks
during loading
o erations.
(1) Scope of this inspection is to verify that BMPs are properly operated and are adjusted if operational or
site changes require new BMPs to prevent storm water contamination
(2) Changes in drainage conditions or operations require revisions to the SPPP
Inspector's Name:
-25-

Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report Supplement SWU-242A:
Guidance for Rating Stormwater Discharge
This supplement is intended only as a guide for rating visually observed parameters on a scale of
1-5. The inspector should use best professional judgment when characterizing the quality of
stormwater discharge. Also, the pictures included here do not necessarily show stormwater
discharges but serve to illustrate the characteristics described.
Clarity
(1 is clear, and 5 is very opaque or cloudy)
1 3
Floating Solids
(1 is no solids, and 5 is the surface covered
with floating solids or significant trash/debris)
1 3
5
Ptur I ,dl(i
SWU-242A-061808

1
Tannic Water
Suspended Solids
(1 is no solids, and 5 is extremely muddy or clouded with other
3
5
Water naturally high in tannins in the eastern part of North Carolina may still have low amounts
of suspended solids and high clarity but not appear "clear" because of coloration. The examples
below will help rate discharges that must be observed in tannic waters.
Clear tannic water may look like tea or coffee, but waters that look more "milky" or like
"chocolate milk" have less clarity and higher suspended solids.
Suspended Solids / Clarity in waterbodies naturally high in tannins
1/1 3/3
5/5
Page 2 of 10
SWU-242A-061808

h-Vample l
1. Outfall Description: Example 1 of 4
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream:
Describe the industrial activities that occur within the outfall drainage area:
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: light brown
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak
chlorine odor, etc.): none
4. Clarity: Choose the number which best describes the clarity of the discharge, where I is clear
and 5 is very cloudy:
I O 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in the
stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 2 3 O 5
6. Suspended Solids: Choose the number which best describes the amount of suspended solids in
the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 O 4 5
Page 3 of 10
SWU-242A-061808

Example 1 of 4, cont.
Possibly small amount of
7.
Is there any foam in the stormwater discharge?
Yes No
foam near pipe outlet.
8.
Is there an oil sheen in the stormwater discharge?
Yes No
9.
Is there evidence of erosion or deposition at the outfall?
Yes No
Deposition of sand to the
right of pipe outlet.
10.
Other Obvious Indicators of Stormwater Pollution:
List and describe N/A
Page 4 of 10
SWU-242A-061808

I-ka pic ,
1. Outfall Description: Example 2 of 4
Outfall No. 001 Structure (pipe, ditch, etc.) Ditch
Receiving Stream:
Describe the industrial activities that occur within the outfall drainage area:
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: medium gray -preen
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak
chlorine odor, etc.): none
4. Clarity: Choose the number which best describes the clarity of the discharge, where I is clear
and 5 is very cloudy:
1 O 3 4 5 Note in lower right comer of picture, leaf
shadow is visible on the bottom of outlet.
Clarity decreases beyond outlet.
5. Floating Solids: Choose the number which best describes the amount of floating solids in the
stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 O 3 4 5 Floating solids observed here are mostly
tree debris that fell in after discharge.
6. Suspended Solids: Choose the number which best describes the amount of suspended solids in
the stotmwater discharge, where I is no solids and 5 is extremely muddy:
Solids have settled out near outfall and are
1 O 3 4 5 more "dissolved" out in the water near the
top of the picture (where water appears
more gray). At the outlet, there are not any
swirls, clouds, or suspended particles.
Page 5 of 10
SWU-242A-061808

Example 2 of 4, cont.
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution:
List and describe Some displacement of gravel and sediment observed at the outfall. Also, lots of solids
that have settled. The water becomes more turbid/cloudy beyond the outfall (i.e., clarity decreases).
Evidence of excessive solids being carried into receiving water.
This example illustrates how additional information in number 10. can be
important to characterizing stormwater discharge impacts.
Page 6 of 10
SWU-242A-061908

Example 3
1. Outfall Description: Example 3 of 4
Outfall No. 001 Structure (pipe, ditch, etc.) Pice
Receiving Stream:
Describe the industrial activities that occur within the outfall drainage area:
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: medium brown/tan
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak
chlorine odor, etc.): oily smell
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear
and 5 is very cloudy:
1 2 3 O 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in the
stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 2 3 O 5 Rating based on amount of scumtoil
covering surface, not tree debris.
6. Suspended Solids: Choose the number which best describes the amount of suspended solids in
the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 O 4 5
Page 7 of 10
SWU-242A-061808

Example 3 of 4, cont.
7. Is there any foam in the stormwater discharge?
Yes No
8. Is there an oil sheen in the stormwater discharge?
Yes No
9. Is there evidence of erosion or deposition at the outfall?
Yes No
10. Other Obvious Indicators of Stormwater Pollution:
List and describe Oil and scummy substance floating on top. Dead duck found.
Page 8 of 10
SWU-242A-061808

Example 4
1. Outfall Description: Example 4 of 4
Outfall No. 001 Structure (pipe, ditch, etc.) Pine
Receiving Stream:
Describe the industrial activities that occur within the outfall drainage area:
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: clear
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak
chlorine odor, etc.): none
4. Clarity: Choose the number which best describes the clarity of the discharge, where I is clear
and 5 is very cloudy:
O 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in the
stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
Ol 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended solids in
the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
Ol 2 3 4 5
Page 9 of 10
SWU-242A-061808

Example 4 of 4, cont.
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution:
List and describe N/A
Page 10 of 10
S W U-242A-061808

1
�g,��
f:
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Jenco Redl-Mix Concrete Plant
512 Three Sisters Rd, Wake County, NC
m\�
ow qIz, a'�
Figure 1: Site Location
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Qro �� d �. Qq Son=Pond°Rd � III �M
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64
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/(-s
Co rih102005 UidiosoRCoi .u lien. Al l.ii-hb rneire d.
scale = 1:100

SITE/DRAINAGE AREA
BOUNDARY
BUILDING
PARKI
NG LOT
T
41
WATER QUALITY
MONITORING
SYSTEM AND PH€IjSTOCKPILE AREA
ADJUSTMENT
READY MIX
h MANUFACTURING
AREA
-TRUCK WASHDOWN AREA
AGGREGATE PIT
1.0
WET DETENTION POND
OUTFALL 2 (PWD)
POI -A
EXISTING 30" CMP
I (SDO)
10
Capital Ready Mix Concrete Plant
512 Three Sisters Rd, Wake County, NC
Site Map
scale = 1:100

DA-01
TOTAL = 2.28 AC
IMPERVIOUS-- 0.78 AC
PERVIOUS = 1.50 AC
REVISED POST-600
OFFSITE DRAINAGE AREA
VIA EXISTING 24" RCP
TOTAL AREA = 38.60 AC
i
1
1
1
I
I
1
REVISED POST-500
OFFSITE DRAINAGE AREA I 91P'
VIA EXISTING STREAM FEATURE. i II
/ TOTAL AREA = 58.31 AC
/
II1 �I11111111
U11,Iri1�\ �, c SITEIDRAINAGE AREA
BOUNDARY
FIX
ills \ y /
v 1 --- I 1 ---
It
I \\ 1 _
I
s jhl TOTAL = 1.82 AC
y „ It // r .III \ / \ \ \ �„ .. IMPERVIOUS=0.31 AC
PERVIOUS =1.51 AC
DA-02
TOTAL =1.67AC
IMPERVIOUS= 1.65 AC
PERVIOUS = 0.02 AC
WASN f]AWIJ
r
n
I
I r
POI -A
EXISTING 30° CMP
TOTAL = 0.13 AC
IMPERVIOUS=0.13 AC
PERVIOUS = 0.00 AC
Capital Ready Mix Concrete Plant
512 Three Sisters Rd, Wake County, NC
Drainage Map
scale = 1:100

0
34
`mil any n
ect
0
Name: KNIGHTDALE Location: 035" 48' 00.5" N 078' 25' 53.1" W
Date: 12/4/2006
Scale: 1 inch equals 2000 feet

CAPITAL READY MIX CONCRETE
PLANT
Spill Prevention and Response Plan
CITAZ - r
AIX CONCRETE
SEPTEMBER 2015
Prepared By:
Kimley»)Horn

1.0 ASSESSMENT OF POLLUTANT SOURCES ................................. ......,.,.:,................3
2.0 FACILITY PERSONNEL RESPONSIBILITIES .... .............................................................. ..:.4
3.0 POTENTIAL FOR STORMWATER CONTAMINATION......._........................_.......................4
4.0 SPILL PREVENTION AND RESPONSE PROCEDURES .................. _.,................................ 6
DrainageArea 1 - Prevention ................................. .......................... .................. ............................. 6
DrainageArea 1 - Response........._......................................................................................._.......6
DrainageArea 2 - Prevention .......... ..............._,.__.......................,...................._.......................6
DrainageArea 2 - Response........................................................................................................... 7
24-Hour Notification of Discharge Report
FIGURE 1
Capital Ready Mix Concrete Plant I Spill Prevention and Response Plan
August, 2015

Materials used by the facility that have the potential to be present in storm water runoff are listed in Table
1. This table includes information regarding material type, chemical and physical description, and the
specific regulated storm water pollutants associated with each material.
Table 1 - Significant Materials Used
Trade Name Material
Chemical/Physical
Storm Water Pollutants
Description
Limestone, marl, chalk
White solid
Calcium carbonate, turbidity
Lime
White to slightly
Calcium Oxide
yellowish solid
Clay, sand, shale
Solid
Silicon, suspended solids, turbidity
Bauxite, iron ore, recycled
Solid
Aluminum, iron, tricalcium aluminate,
metals
tetracalcium aluminoferrite
Silicates
Fine powder
Dicalcium and tricalcium silicates
Gypsum (calcium and
White solid
Calcium sulfate
sulfur based mineral)
Waste fuel (motor oil,
Various colored
Mineral oil, petroleum distillates
spent solvents, printing
liquids, pastes, and
inks, paint residues,
solids, petroleum
cleaning fluids, scrap tires)
hydrocarbons
Workability agents,
Solid or aqueous
Sulfonated melamine -formaldehyde,
solutions
sulfonated naphthalene formaldehyde
superplasticizers
Air -entraining admixtures
Liquid
Alkyl benzene sulfonates, methylester-
derived cocamide diethanolamine
Admixtures
Free flowing granules,
Calcium chloride, ethanol amine,
gases, solids, liquids
diethanolamine, fungicides, germicides,
insecticides
Wastewater recovered
Water
Oil & grease, solids, hydrochloric acid
from truck cleaning
Gasoline
Colorless, pale brown
Benzene, ethyl benzene, toluene,
or pink petroleum
hydrocarbon
xylene, MTBE
Capital Ready Mix Concrete Plant I Spill Prevention and Response Plan
June, 2015

This individual is responsible for the
Response Procedures.
UI ti
Print name
This individual is responsible for the
and Response Procedures..
measures outlined in Section 4.0 Spill Prevention and
Signature
Date
response to spills outlined in Section 4.0 Spill Prevention
i
Print name
Signature
Date
The following potential source areas of storm water contamination were identified and evaluated:
• Parking and Office/Maintenance Building area: Employees park their vehicles and concrete
trucks park overnight in the parking lot area. Storm water from this area can be potentially
contaminated by leaking fluids from the parked vehicles. These contaminants may contain
mineral oil, petroleum distillates, benzene, ethyl benzene, toluene, xylene, and MTBE.
• Sand and Gravel Truck Unloading area: Trucks unload sand and gravel in the sand and gravel
truck unloading area. Storm water from this area can be potentially contaminated by fluids
leaking on to the gravel surface from the trucks and by sand and gravel spills. These
contaminants may contain mineral oil, benzene, toluene, xylene, MTBE, silicon, dissolved solids,
suspended solids, calcium sulfate, tricalcium aluminate, and tetracalcium aluminoferrite.
• Truck Washout area: Truck drums and the exterior of trucks are cleaned in the truck washout
area. Storm water from this area can be potentially contaminated by waste water from truck
cleaning operations and by leaking fluids from trucks. These contaminants may contain mineral
oil, benzene, MTBE, silicon, suspended solids, calcium sulfate, calcium oxide sulfonated
melamine -formaldehyde, alkyl benzene sulfonates, methyl -ester -derived cocamide
diethanolamine, and hydrochloric acid.
• Fueling Station: Maintenance and fueling activities are performed on ready mix concrete trucks in
the maintenance area. Storm water from this area can be potentially contaminated by fluids
leaking from the trucks during the maintenance activities and spills and leaks at the fueling
station. These contaminants may contain mineral oil, petroleum distillates, benzene, ethyl
benzene, toluene, xylene, and MTBE.
• Ready Mix Manufacturing area: Cement is loaded into the ready mix trucks at the ready mix truck
loading area. Storm water from this area can be potentially contaminated by leaking fluids from
trucks and cement spills or leaks during loading activities. These contaminants may contain
benzene, MTBE, calcium oxide, sulfonated melamine -formaldehyde, calcium chloride, ethanol
amine, fungicides, and insecticides
Capital Ready Mix Concrete Plant I Spill Prevention and Response Plan
August, 2015

Table 2 presents site specific information regarding storm water pollution potential from each of these
areas.
Table 2 - Locations of Potential Sources of Stormwater Contamination
Drainage
Potential Storm
Potential Pollutant
Potential Problem
Area0)
Water
Contamination
Point
DA-01
Parking Lot and
Gasoline, waste fuel
Leaking fluids from parked
Office/Maintenance
vehicles in the parking lot.
Building Area
DA-02
Sand and Gravel Truck
All materials in Table 2
All materials in Table 2 Leaking
Unloading Area, Truck
fluids from trucks and
Washout Area, Fueling
wastewater from cleaning and
Station, and Ready -Mix
washout activities, fluid spills
Manufacturing Area
and leaks during fueling,
maintenance and loading
operations activities
DA-03
Undeveloped Wooded
None
None
Area
(1) See Figure 1 for drainage areas
Capital Ready Mix Concrete Plant I Spill Prevention and Response Plan
June, 2015

The following procedures describe the regular preventative measures to be taken as well as additional
measures in the event of a contaminant spill.
DRAINAGE AREA 1 - PREVENTION
Vincent Washington is responsible for ensuring the preventative measures described for Drainage Area
1.
• All maintenance activities will take place inside the maintenance garage and drip pans will be
used at all times to collect leaking fluids.
• All fluid containers stored in the maintenance garage will be placed on pallets with secondary
containment (a plastic grate on top of a tub approximately nine inches deep to contain any spills
or leaks).
• The fluid containers will be inspected weekly for leaks and deterioration. Any leaks identified
during the inspection will be immediately cleaned using a dry absorbent.
• An emergency spill kit and telephone will be placed inside the maintenance garage.
DRAINAGE AREA 1 - RESPONSE
Vincent Washington is responsible for ensuring the immediate response measures for Drainage Area a.
Should leaking vehicle fluids be observed in Revised Post-101 and 400, act to stop discharge and
prevent further release.
• Implement emergency spill kit to immediately clean up discharge and prevent infiltration.
• If discharge is less than 25 gallons and is cleaned up within 24 hours, then no further action is
required.
• If spill is greater than 25 gallons, is not cleaned up within 24 hours, or reaches the storm system,
report spill to the NCDENR at 1-800-858-0368 and submit Notification of Discharge Form
(Attached) to:
NCDENR Raleigh Regional Office
3800 Barrett Drive
Raleigh, NC 27609
Phone: [phone]
Fax: [phone]
Capital Ready Mix Concrete Plant I Spill Prevention and Response Plan
August, 2015

DRAINAGE AREA 2 - PREVENTION
Vincent Washington is responsible for ensuring the preventative measures described for Drainage Area
2.
• The area has been sloped to an aggregate pit to contain possible fluid spills and sand/gravel
spills.
• Curbing has been placed along the perimeter of the area to provide for easier cleanup of
contaminants.
• A spray wash rather than a hose wash system will be employed to clean the exterior of the trucks.
• To minimize the waste water generated from truck drum washing, chemical stabilizing admixture
systems will be used. The use of chemical admixtures will bypass the need to remove the wash
water from the drums because the cement in the wash water will not be able to harden. The
wash water can then remain in the drum and be calculated into the next mix of concrete.
• The fuel storage tank will be inspected weekly for leaks and deterioration. Any leaks identified
during the inspection will be immediately cleaned using a dry absorbent.
• The fuel pump nozzles at the fueling station will be equipped with automatic back pressure shut-
off to prevent overfilling of fuel tanks.
• An emergency spill kit including a broom, a shovel, kitty litter, saw dust, a 55-gallon drum will be
stored in close proximity to the fueling station to be immediately available in the event of a spill.
DRAINAGE AREA 2 - RESPONSE
The nearest employee of Capital Ready Mix Concrete Plant is responsible for ensuring the immediate
response measures for Drainage Area 2.
• Should wastewater from any source be observed outside of the designed treatment facility, act to
stop.discharge and prevent further release.
• Implement emergency spill kit to immediately clean up discharge and prevent infiltration.
• If discharge is less than 25 gallons and is cleaned up within 24 hours, then no further action is
required.
• If spill is greater than 25 gallons, is not cleaned up within 24 hours, or reaches the storm system,
report spill to the NCDENR at 1-800-858-0368 and submit Notification of Discharge Form
(Attached)to:
NCDENR Raleigh Regional Office
3800 Barrett Drive
Raleigh, NC 27609
Phone: [phone]
Fax: [phone]
Capital Ready Mix Concrete Plant I Spill Prevention and Response Plan
June,2015

DA-01
TOTAL = 2.28 AC
IMPERVIOUS-- 0.78 AC
PERVIOUS = 1.50 AC
REVISED POST-600
OFFSITE DRAINAGE AREA
VIA EXISTING 24' RCP
TOTAL AREA = 38.60 AC
REVISED POST500
OFFSITE DRAINAGE AREA
VIA EXISTING STREAM FEATURE. j t
TOTAL AREA =58.31 AC
POI -A
EXISTING 30° CMP
SITEIDRAINAGE AREA
BOUNDARY
R- /
`DA-03
TOTAL = 1.82 AC
IMPERVIOUS= 0.31 AC
PERVIOUS =1.51 AC
\\-\-DA-02
TOTAL = 1.67 AC
IMPERVIOUS= 1.65 AC
PERVIOUS = 0.02 AC
WASH DOWN
TOTAL = 0.13 AC
IMPERVIOUS= 0.13 AC
PERVIOUS = 0.00 AC
Capital Ready Mix Concrete Plant
512 Three Sisters Rd, Wake County, NC
Drainage Map
scale = 1:100

Pat McCrory
Governor
y
NCDENR
North Carolina Department of Environment and Natural Resources
June 4, 2015
MR. JAMES LOCHREN — OWNER
CAPITAL READY Mix CONCRETE (FORMERLY JENCO ASSOCIATES)
512 THREE SISTERS ROAD
KNIGHTDALE, NORTH CAROLINA 27545
Donald R. van der Vaart
Secretary
---------- — - -Subject: — Multimedia Compliance -Inspection
Capital Ready Mix Concrete (Jerl
Wake County
Dear Perri
Department of Environment and Natural Resources staff from the Raleigh Regional Office conducted a
multimedia compliance inspection of Capital Ready Mix Concrete (formerly Jenco Concrete Plant) on
May 28, 2015 for permits and programs administered by the following Divisions:
Division of Air Quality
Division of Energy,
Division of Water
Division of Waste
Mineral, and Land
Resources
Management
Resources
We appreciate your. cooperation during the inspection and hope that you have enjoyed the benefit of our
initiative to provide a single inspector capable of handling multiple areas of environmental compliance at
your facility. The results of each applicable inspection and any associated response actions or necessary
corrective measures are detailed in the inspection letters/reports attached to this transmittal sheet. If a
Division report is not attached, you may assume compliance with that particular Division's rules and
regulations at the time of inspection.
If you have any questions regarding this multimedia inspection or the results of each program inspection,
please contact the Raleigh Regional Office at [phone] and ask to speak with the appropriate
Division staff. Thank you for your cooperation.
encl: Air Quality Inspection Report
Stormwater Inspection Report
cc: DAQ RRO Files
DEMLR RRO Files
NCDENR Raleigh Regional office
1628 Mail Service Center, Raleigh, North Carolina 27699-1617
Location: 3800 Barrett Drive, Raleigh North Carolina.27609
Phone:919-791A2001 Fax:[phone]
An Equal Opportunity 1 Affirmative Action Employer - Made in part with recycled paper

NORTH CAROLINA DIVISION OF
AIR QUALITY
Inspection Report
Date: 05/29/2015
Facility Data
Capital Ready Mix Concrete - Knightdale Plant
512 Three Sisters Road
Knightdale, NC 27545
Lat:. 35d 47.8166m Long: 78d 26.0500m
SIC: 3273 / Ready -Mixed Concrete
NAICS: 32732 / Ready -Mix Concrete Manufacturing
Contact Data
Facility Contact
James Lochren James Lochren
Owner Owner
[phone] [phone]
Technical Contact
James Lochren
Owner
[phone]
Raleigh Regional Office
Capital Ready Mix Concrete - Knightdale Plant
NC Facility ID 9200803
County/FIPS: Wake/183
Permit Data
Permit 09887 / G02
Issued 3/5/2013
Expires 2/28/2018
Classification Small
Permit Status Active
Current Permit Application(s) None
SIP
Program Applicability
_ Compliance Data
Comments: �.D/,1 �' � I1An cQ
r l.n � y2t✓_J, Inspection Date 05/28/2015
n Inspector's Name Lori Ann Phillips
Inspector's Signature: / /- Operating Status Operating
V/ �- t/ i� Compliance Code Compliance - inspection
Action Code FCE
Date of Signature: _ 3 _a0/S On -Site Inspection Result Compliance
TA!,iC NC A D
TSP
S02
NOX
VOC
CO
PM10
*HAP
2011
5.10
1 ---
I ---
2.34
0.3046
Five Year Violation Historv:
Date Letter Type
04/04/2014 NOV
03/18/2013 NOV
Date Test Results
Rule Violated
Permit Late Report (excluding ACC)
Permit Late Report (excluding ACC)
None
Test Method(s)
* Highest HAP
Violation Resolution Date
04/01/2014
03/25/2013
Source(s) Tested
I. DIRECTIONS: From the RRO go east on the inner belt line to US 64 Bypass (US 264). Take US 64
Bypass (US 264) to exit 429, and exit. This is US 64 Alt (Knightdale Blvd), turn left (west) and cross over
US 64 Bypass (US 264). Three Sister Road is right after the over pass and to the left, take Three Sister
Road and go a little over a half mile. The batch plant is on left.

II. FACILITY DESCRIPTION: Capital Ready Mix is a batch concrete plant.
Inspectors should come prepared with safety shoes, a hat hard, safety vest, and safety glasses.
III. INSPECTION SUMMARY: On May 28, 2015, Cory Larsen (DWR), John Holley (DEMLR), Maureen
Conner (DAQ), Ray Williams (DWM) and I (Lori Ann Phillips) inspected Capital Ready Mix — Knightdale
Plant. At the time of the inspection, the facility was operating and the loading of concrete trucks was
observed.
We arrived on site at approximately,12:50PM to conduct a multimedia compliance inspection and met with
facility owner, James Lochren, as well as the facility's consultant, Daniel Bula (Kimley-Home). We
reviewed the facility's current air permit and recordkeeping requirements prior to conducting a facility tour.
During the tour, multiple cement trucks were observed being loaded with 0% VE. All permitted sources
were viewed in operation during the inspection. Multiple insignificant/exemot sources in addition to those
already listed on the insignificant/exempt
below. From an air quality standpoint, the
IV. PERMITTED EQUIPMENT:
mt list were viewed and are described in greater
appeared to be well maintained.
1. One (1) cement mixing weigh hopper and loading operation; and,
2. Silos for cement and flyash storage.
In compliance. The equipment on site at the time of the inspection is the same as when the plant was
first permitted to operate in 2008. No additions or modifications have been made. The facility has one
weigh hopper and truck loadout, cement and flyash silos, and one central baghouse system that
controls all emission sources.
V. SPECIFIC CONDITION AND LIMITATIONS:
A. 1. The facility shall comply with 2D .0202, 2D .0515, 2D .0521, 2D .0535, 2D .0540, 2D .0611, 2D
.1100, 2Q .0310 and 2Q .0711.
In compliance. Further details found below.
A.2 2D .0202 Permit Renewal and Emission Inventory Requirement - The facility shall request permit
renewal at least 90 days prior to permit expiration. An air emissions inventory for calendar year 2015 shall
be required if renewal is request.
In compliance. The facility's permit was last renewed in 2013 and is valid until 2018.
A.3 2D .0515 Particulate Control Requirement - particulate matter emissions from the affected
emission sources listed in the permit shall not exceed allowable emission rates which are determined based
on process throughput rates using the equations provided in the permit.
In compliance. Compliance is demonstrated through the permit review process and is expected as
long as the facility maintains their baghouse.
A.4 2D .0521 Control of Visible Emissions - VE from the permitted sources at the facility shall not
exceed 20% opacity when averaged over a 6-minute period.
In compliance. VE from truck loading was 0% opacity. No other VE associated with the concrete
hatching process was observed during the inspection.
A.5 2D .0535 Notification Requirement — DAQ shall be notified in the event that the facility has a
malfunction or breakdown that results in excess emissions lasting for more than four hours.
In compliance. The facility contact stated that no periods of excess emissions have occurred since the
last inspection.

A.6 2D .0540 Fugitive Dust Control Requirement — The Permittee shall not allow or cause fugitive
dust emissions to cause or contribute to substantive complaints or excess visible emission beyond the
property boundary.
In compliance. Clouds of fugitive dust were observed on the property as cement trucks moved
around. Some of the fugitives appeared to leave the property towards the access road, as this was the
direction that the wind was blowing. The facility was reminded of the rules regarding fugitive dusts
and it was suggested that wet suppression be used to alleviate fugitive dusts on dry and/or windy
days.
A.7 2D .0611 Fabric Filter Requirement - The permittee is to maintain, inspect, and record the results
of all maintenance activities regarding the baghouse. At least one annual internal inspection is required.
In compliance. The facility keeps inspection checklists for the baghouse. The most recent inspection
was completed on May 11, 2015. The facility contact was instructed to begin including any
maintenance items on the checklist or in a separate logbook.
A.8 2D .1104 Toxic Air Pollutant Control Requirements -The facility shall not emit arsenic in such
quantities that may cause an exceedance of the acceptable ambient level (AAL).
To demonstrate compliance with this requirement, the Permittee shall limit the quantity of concrete
processed to less than the applicable "Maximum Concrete Production Rate", as listed below, based on the
facility's "Minimum Distance to Property Line." Per the facility's most recent annual report, the
shortest distance from the weigh hopper to the property line is 165 feet, which allows the Company to
produce a maximum of 120,000 cubic yards of concrete per year.
a. Property Line Identification - The Permittee shall maintain a physical marker at the point on the
property line used to establish the "Minimum Distance to Property Line", as defined above. The
physical marker may consist of any fixture, including (but not limited to) a property line fence or a
pole or stake installed at the point for the specific purpose ofineeting this requirement.
In compliance. The facility has a painted mark on their block wall.
b. Monitoring/Recordkeening Requirements - The Permittee shall maintain the following records in a
logbook. The logbook (in written or electronic form) shall be kept on -site and made available to
DAQ personnel upon request.
In compliance. The facility has produced 41,596 cubic yards of concrete through May 27,
2015.
c. Notification Requirement - The Permittee shall submit a notification to the Regional Supervisor
within 15 days of installing an additional cement silo and/or flyash silo.
In compliance. No additional equipment has been installed since the facility was first
constructed in 2008.
A.9 2Q .0310, for a facility to qualify for a General Air Permit for Concrete Batch Plants, it shall meet.
EACH of the following criteria:
a. Only operate equipment that requires a permit, at this site which comes from the approved
equipment list. In compliance. All equipment at the facility is listed on the permit.
b. The facility is not subject to any 15A NCAC 2D or 2Q regulation not addressed in Specific
Condition No. 1. In compliance.
c. The facility is located in an approve county. In compliance. The facility is in Wake County.
d. The maximum hourly throughput at the truck loadout does not exceed 138 yd3/how. In
compliance. The hourly production rate at the time of the inspection was around 50 cubic
yards per hour.

e. The facility is a truck mix concrete batch plant that does not process more concrete during any
calendar year than the maximum production rate, as listed below, applicable to the facility based
on its "minimum distance to property line". "Minimum distance to property line" is the distance
from the cement mixing weigh hopper to closest point of the facility's property line. In
compliance. The minimum distance to the property line is 165 feet. Annual concrete
production for 2014 was 90,629 cubic yards from the annual report submitted to the RRO
on February 2, 2015.
A.10 2Q .0711 Toxic Air Pollutant Emission Limitation - This is a list of pollutants the facility has
triggered for toxic review. Potential emissions have been found to not exceed the NC TPERs.
In compliance. Compliance was demonstrated through the permitting process. No new equipment
has been added to the facility.
-__ VL_ GENERAL -PERMIT -CONDITIONS:
B.2 - Records Retention Requirement - Any records required by the conditions of this permit shall be kept on site
for at least 2 yr and made available to DAQ personnel for inspection upon request.
In compliance. All required records are kept onsite and readily available. The facility has multiple years of
reports and data available.
B.5 Reporting Requirement - Any of the following that would result in previously unpermitted, new, or
increased emissions must be reported to the Regional Supervisor, DAQ.
In compliance. No new equipment has been added to the facility since start-up.
B.14 Permit Retention Requirement - The Permittee shall retain a current copy of the air permit at the site. The
Permittee must make available to personnel of the DAQ, upon request, the current copy of the air permit for the site.
In compliance. Mr. Lochren presented a copy of the current air permit, 09887G02, during the
inspection.
B.15 Clean Air Act Section 112(r) Requirements - If the Permittee is required to develop and register a risk
management plan pursuant to Section 112(r) of the Federal Clean Air Act, then the Permittee is required to register
this plan in accordance with 40 CFR Part 68.
Not Applicable — This program does not apply to this facility.
VII. INSIGNICANT / EXEMPT SOURCES: The facility has four small water heaters listed on their
insignificant/exempt equipment list. During the inspection, the following exempt equipment was observed
and should be added to the permit during the next renewal/modification:
• Two liquefied petroleum gas -fired instant hot water heaters (19,900 But per hour each)
• Small waste oil heater (used for comfort heat in the shop area)
• 275kW diesel -fired emergency generator — this generator is tested once a month for approximately
one hour.
VIII. 112(r) PROGRAM REVIEW: The facility has not triggered this set of rules.
IX. COMPLIANCE HISTORY: A review of DAQ files revealed the following permit violations by the facility:
• 3/16/2010, NOV, for not filing an annual report by the deadline.
• 3/18/2013, NOV, for not filing an annual report by the deadline.
• 4/4/2014, NOV, for not filing an annual report by the deadline.
X. STACK TEST REVIEW: There are no stacks tests on file for this facility.
XI. EMISSIONS INVENTORY REVIEW: This is only one emissions inventory in the system for this facility. The
submitted data appears to be consistent with what would be expected for this type of facility.

XII. CONCLUSIONSIRECOMMENDATIONS: At the time of the inspection, Capital Ready Mix Concrete
appeared to be in compliance with all air permitting requirements. It is recommended that the facility be
re -inspected in two years. The exempt equipment listed above in Section VII should be added to the
insignificant/exempt equipment list during the next permit renewal or modification.

4
NCDENR
North Carolina Department of Environment and Natural Resources
Pat McCrory Donald R: van der Vaart .
Governor Secretary
June 3, 2015
MR. JAMES LOCHREN — OWNER
CAPITALREADYMIX CONCRETE (FORMERLY JENCO ASSOCIATES)
512 THREE SISTERS ROAD ..
KNIGHTDALE, NORTH CAROLINA 27545 -
---Subject: NPDES-Stormwater Compliance Evaluation Inspection
COC Number NCG140381
Jenco Concrete Plant
NCG14000 General Permit for. Ready -Mixed Concrete
Wake County
Dear Mr. Lochren:
Staff from the Department of Environment and Natural Resources conducted a stormwater compliance
inspection on May 28, 2015 for permit no. NCG140381 as part of a multimedia inspection of your
facility. We appreciate the assistance provided by you and Daniel Bula of Kimley Horn during the
inspection.. Please reference the attached inspection report checklist and summary in addition to the
comments provided below.
The facility appeared relatively clean and well -managed and a stormwater management program has been
implemented, however, a number of items do require your attention as follows:
1. The stormwater pollution prevention plan (SPPP) appeared to be last modified in 2008 and is no
longer up-to-date due to recent construction activities: The SPPP requires thorough updating to
include all relevant information as required in Part III of the general permit and shall be Updated
on an annual basis going forward to account for any physical or, operational changes at the
facility. An updated site plan is required as part of the SPPP revisions.
2. Secondary containment is required on all above ground bulk storage of liquid materials in excess
of 660 gallons (single tank) or 1,320 gallons (multiple tanks) in accordance with Part III 2.
(b) and Part VIII.6 of the general permit. This requirement applies to the 1,000, gal waste oil tank
near the maintenance garage and process chemical tanks in the plant area, and must be
implemented as soon as practicable.
3. Analytical and qualitative monitoring of process wastewater discharges has not been conducted as
required. In addition to pH control practices in place, the permit requires quarterly analytical
monitoring for process water discharges at the stormwater discharge outfall location (identified
during the inspection by Division staff) for parameters listed in Table 7 of the permit to be
compared against effluent limitations listed in Table 8. Qualitative monitoring (Table 6) shall be
performed on a semi-annual basis. The.monitoring program above must be initiated immediately
to be compliant with the.permit.
Division of Water Resources, Raleigh Regional Office, Water Quality Operations. Section http://portal.ncdenr.org/web/wq/aps
1628 Mail Service Center, Raleigh, NC 27699-1628 Phone: [phone]
Location: 3800 Barrett Drive, Raleigh, NC 27609 Fax: [phone]
An Equal Opportunity \ Affirmative Action Employer— Made in part by recycled paper

June 3. 2015
Page 2 of 2
4. A final engineering certification shall be submitted following completion of construction
activities and improvements to process wastewater treatment facilities (wash pit expansion) in
accordance with Part II Section A 5. of the.permit. The Division also.recommends that residuals _
accumulated in the stormwater basin be cleaned out and properly disposed of at this time to
enhance effluent quality and minimize solids deposition in the outfall channel.
5. The facility's Certificate of Coverage expired June 30, 2011. Please submit the enclosed renewal
application and provide a payment of $300.00 to the address on the enclosed invoice to cover
permit annual fees for 2012, 2013, and 2014.
Please_provide_your written confirmation and response to the above items within 30 days of receipt _
of this letter. If you have any questions regarding these matters, please contact me at
[e-mail] or 919-791-4200.
Sincerely,
Cory Larsen, PE
Environmental Engineer
Raleigh Regional Office
Encl: Compliance Inspection Report
Renewal Application Form
Permit Fee Invoice
cc: RRO/SWP Files

Permit: NCG140381
SOC:
County: Wake
Region: Raleigh
Contact Person: Jim Lochren
Directions to Facility:
Primary ORC:
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
Compliance Inspection Report
Effective: 11/21/08 Expiration: 06/30/11 Owner: Jenco Associates
Effective: Expiration: Facility: Jenco Concrete Plant
512 Three Sisters Rd
Inspection Date: 05/28/2015
Primary Inspector: Cory Larsen
Secondary Inspector(s):
Title:
Entry Time: 01:OOPM
Certification:
Knightdale NC 27545
Phone: [phone]
Phone:
Exit Time: 03:45PM
Phone: [phone]
Reason for Inspection: Routine Inspection Type: Compliance Evaluation
Permit Inspection Type: Ready Mix Concrete StormwaterM/astewater Discharge COC
Facility Status: ❑ Compliant ❑ Not Compliant
Question Areas:
Storm water
(See attachment summary)
Page: 1

Permit: NCG140381 Owner- Facility: Jenco Associates
Inspection Date: 05/28/2015 Inspection Type : Compliance Evaluation Reason for Visit: Routine
Inspection Summary:
A multi -media pilot program inspection was conducted by Division staff from Water Resources, Energy, Mineral and Land
Resources, Air Quality, and Solid Waste on May 28, 2015 to evaluate compliance with NPDES stormwater and air quality
permits issued to the facility. The stormwater inspection results for NCG140381 are presented below.
The stormwater pollution prevention plan (SPPP) was reviewed and contained most of the required components however, it
was missing some sections and requires updating to reflect current activities and construction occurring at the facility. This
document should continue to be updated annually as necessary. Likewise, the site plan must be updated and monitoring
outfall locations identified per discussions with facility personnel. Secondary containment must be provided for all bulk
storage of liquid products with single above ground storage containers greater than 660 gallons in accordance with Part III 2.
-----(b) of the general permit Onesinglewall-1-000 waste oil tank-and-3-polyethylene-process chemical tanks appear to be out--- --- - - -
of compliance with this requirement.
Qualitative monitoring has not been performed in semi-annually but is observed at the pH control point regularly. Vehicle
maintenance is conducted in a garage with no discernable discharge point. Analytical monitoring for process wastewater
has not been conducted but will be going forward (quarterly) and will capture vehicle maintenance parameters as well. This
matter was discussed with facility personnel. Current construction activities and cleanout of accumulated solids in the
treatment basin will result in improvements to the wastewater treatment facilities and enhance effluent quality. An
engineering certification following completion of the upgrades will be required.
Overall the site was clean and well -kept and is managed in such a way to meet the overall intent of the stormwater permit,
despite multiple deficiencies as noted above. Once these are corrected, the permittee applies for renewal of their expired
permit, and past due fees are paid, the facility should achieve full permit compliance.
Air quality inspection results are covered under separate report. No solid waste or land resource program violations were
observed.
Page: 2

Permit: NCG140381 Owner- Facility: Jenco Associates
Inspection Data: 05/28/2015 Inspection Type : Compliance Evaluation
Stormwater Pollution Prevention Plan
Does the site have a Stormwater Pollution Prevention Plan?
# Does the Plan Include a General Location (USGS) map?
# Does the Plan include a "Narrative Description of Practices'?
# Does the Plan include a detailed site map including outfall locations and drainage areas?
# Does the Plan include a list of significant spills occurring during the past 3 years?
# Has the facility evaluated feasible alternatives to current practices?
# Does the facility provide all necessary secondary containment?
# Does the Plan include a BMP summary?
# Does the Plan include a Spill Prevention and Response Plan (SPRP)?
# Does the Plan include a Preventative Maintenance and Good Housekeeping Plan?
# Does the facility provide and document Employee Training?
# Does the Plan include a list of Responsible Party(s)?
Reason for Visit Routine
Yes No NA NE
■❑❑❑
❑ E ❑ ❑
❑ ❑ ❑
INr ■ ■
■❑❑❑
❑■❑❑
❑ ❑ ❑
❑ ❑ ❑
❑ ❑ ❑
# Is the Plan reviewed and updated annually? ❑ ! ❑ ❑
# Does the Plan include a Stormwater Facility Inspection Program? 0 ❑ ❑ ❑
Has the Stormwater Pollution Prevention Plan been implemented? 0 ❑ ❑ ❑
Comment: Need to see USGS map secondary containment for 1,000 used oil tank and bulk storage of
process chemicals format a proper SPRP document employee stormwater training update
SPPPP and site map due to construction/improvements at facility.
Qualitative Monitoring Yes No NA NE
Has the facility conducted its Qualitative Monitoring semi-annually? ❑ E ❑ ❑
Comment: Not currently performed at basin outfall.
Analytical Monitoring Yes No NA NE
Has the facility conducted its Analytical monitoring? ❑ E ❑ ❑
# Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas? ❑ ❑ ■ ❑
Comment: PH is adjusted at wash pit and regularly monitored No other analytical monitoring has been
performed for wastewater discharges VIM conducted in garage with no discernable point of
discharge and applicable VMA monitoing will be captured under process wastewater monitoring
Permit and Outfalls Yes No NA NE
# Is a copy of the Permit and the Certificate of Coverage available at the site? 0 ❑ ❑ ❑
# Were all outfalls observed during the inspection? 0 ❑ ❑ ❑
# If the facility has representative outfall status, is it properly documented by the Division? ❑ ❑ ■ ❑
# Has the facility evaluated all illicit (non stormwater) discharges? N ❑ ❑ ❑
Comment: Need ATC engineering certification for treatment facilities (wash pit and pond)
Need to submit renewal applicaiton and three years past due fees.
Page: 3

rcnnu wvci aye
Renewal Application Form
National Pollutant Discharge Elimination System
Stormwater General Permit NCG140000
Certificate of Coverage Number
NCG140381
Please complete the information in the space provided and return the completed renewal form to the address indicated
below.
Owner Information
Owner / Organization Name:
Owner Contact:
Mailing Address:
Phone Number:
Fax Number:
E-mail address:
Facility Information
Facility -Name:— —
Facility Physical Address:
Facility Contact:
Mailing Address:
Phone Number:
Fax Number:
E-mail address:
Permit Information
Permit Contact:
Mailing Address:
Phone Number:
Fax Number:
E-mail address:
Discharge Information
Receiving Stream:
Stream Class:
Basin:
Sub -Basin:
Number of Outfalls:
* Address to which permit correspondence wi/l be mailed
Facility/Activity Changes Please describe below any changes to your facility or activities since issuance of your permit. Attached a
separate sheet if necessary.
CERTIFICATION
I certify that I am familiar with the information contained in the application and that to the best of my knowledge and belief
such information is true, complete and accurate.
Signature
Date
Print or type name of person signing above
Title
SW General Permit Coverage Renewal
Please return this completed application form to: Stormwater Permitting Program
1612 Mail Service Center
Raleigh, North Carolina 27699-1612

NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES II I I III II I II I I II IIII I I I I II II
INVOICE
* 2 0 1 5 P R 0 0 3 5 4 7
Annual Permit Fee Overdue
This annual fee is required by the North Carolina Administrative Code. It covers the administrative costs associated with
your permit. It is required of any person holding a permit for any time during the annual fee period, regardless of the facility's
operating status. Failure to pay the fee by the due date will subject the permit to revocation. Operating without a valid
permit is a violation and is subject to a $10,000 per day fine. If the permit is revoked and you later decide a permit is
needed, you must reapply, with the understanding the permit request may be denied due to changes in environmental,
regulatory, or modeling conditions.
Invoice Number: 2015PR003547 Annual Fee Period: 2015-11-01 to 2016-10-31
Permit Number: NCG140381 Invoice Date: 04/16/2015
Wake County
Jenco Concrete Plant Due Date: 05/16/2015
Jim Lochren Annual Fee: $300.00
Jenco Associates
45 S Fourth St Ste 1
Bay Shore, NY 11706
Notes:
1. You may pay either by checklmoney order OR by electronic payment. -
2. If payment is by check/moneyorder, please remit payment to:
NCDENR - Division of Energy, Mineral and Land Resources
Attn: Stormwater Billing
1612 Mall service Center
Raleigh, NC 27699-1612 .
3. If payment is electronic, see http //oortal.nrdenr.org/web/wci/hot-topics/ei)avment for additional details. See
http,//oortal.ncdenr.org/web/wa/eoavment to pay electronically. Only eCheck transactions are allowed at this time. Credit card
transactions are not accepted.
4. Please Include your Permit Number and Invoice Number on all correspondence.
5. A $25.00 processing fee will be charged for returned checks in accordance with North Carolina General Statute 25-3-512.
6. Non -Payment of this fee by the payment due date vnll initiate the permit revocation process.
7. Should you have any questions regarding this invoice, please contact the Annual Administering and Compliance Fee
Coordinator at 919-707-9220.
(Return This Portion With Check)
ANNUAL PERMIT INVOICE
Invoice Number: 2015PR003547
Permit Number: NCG140381
Wake County
Jenco Concrete Plant
Jim Lochren
Jenco Associates
45 S Fourth St Ste 1
Bay Shore, NY 11706
II 121111111 I it I I II II II I I I I II II
Overdue
Annual Fee Period; 2015-11-01 to 2016-10-31
Invoice Date: 4/16/2015
Due Date: 5/16/2015
Annual Fee: $300.00
Check Number:

STATE OF NORTH CAROLINA
DEPARTNIENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL PERMiC NO. NCG140000
CERTIFICATE OF COVERAGE No. NCG140381
STORri1WATER AND PROCESS WASTEWATER DISCHARGES
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision 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,
Jim Lochren
is hereby authorized to construct and operate a process wastewater treatment system, and is
hereby authorized to discharge process wastewater and stonmvater from a facility located at
Jenco Concrete Plant
512 Three Sisters Road
Knightdale
Wake County
to receiving waters designated as an unnamed tributary (UT) to Marks Creek, a class C; NSW
water in the Neuse River Basin, in accordance with the effluent limitations, monitoring
requirements, and other conditions set forth in Parts 1, 11, lll,1V, V, and VI of General Permit No.
NCG140000 as attached.
This certificate of coverage shall become effective November 21, 2008.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day November 21.2008.
for Colcen H. Sullins, Director
Division of Water Quality
By the Authority of the Environmental Management Commission

M
Map Scale 1:24,000
Jenco Concrete Plant -
Knightdale, NC
Latitude: 350 4745" N
Longitude: 780 25' 57" W
County: Wake
Receiving Stream: UT to Marks Creek
Stream Class: C; NSW
Sub -basin: 03-04-02 (Neuse River Basin)
Jenco Concrete Plant -
Knightdale, NC
V
0
c�
j4ai�id► MEA
h_
Facility Location

Michael F. Easley. Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Coleen 11. Sullins. Director
Division of Water Quality
November2t; 2008 --- - — —
Mr. Jim Lochren
45 South 4th Street. Suite 1
Bay Shore, NY 11706
Subject: General Permit No. NCG 140000
Jenco Concrete Plant
COC No. NCG140381
Wake County
Dear Mr. Lochren:
In accordance with your application for a discharge permit received on March 17, 2008,
we are forwarding herewith the subject certificate of coverage (CDC) to discharge under the
subject state — NPDES general permit. This permit is issued pursuant to the requirements of.
North Carolina General Statute 143-215.1 and the Memorandum of Agreement between North
Carolina and the US Environmental Protection Agency dated October 15, 2007 (or as
subsequently amended).
Please take notice that this certificate of coverage is not transferable except after notice to
the Division of Water Quality. The Division of Water Quality may require modification or
revocation and reissuance of the certificate of coverage. This permit does not affect the legal
requirements to obtain other permits which may be required by the Division of Water Quality or
permits required by the Division of Land Resources, Coastal Area Management Act or any other
federal or local governmental permit that maybe required.
An Authorization to Construct treatment facilities has been issued concurrently with
this COC. The Raleigh Regional Office, telephone number (919) 7914200, shall be notified at
least forty-eight (48) hours in advance of operation of the installed facilities so that an in -place
inspection -can be made.--Suchhnotification to_ the- regional_supervisor shall be trade during the
normal office hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State —
Holidays.
Upon completion of construction and prior to operation of this permitted facility, a
certification must be received from a professional engineer certifying that the permitted
facility has been installed in accordance with the NPDES Permit, the associated
Authorization to Construct, and the approved plans and specifications. Please mail the
certification (attached) to the Stormwater Permitting unit, 1617 Mail Service Center, Raleigh,
NC 27699-1617. Nonhcamlina
✓I WUM11Y
North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-! 617 Phone [phone] Ctrtomer Service
Internet: wmw.nmviterqualit.o Location: 512 N. Salisbury St. Raleigh. NC 27604 Fix [phone] 1-877-623-6748
An Equal cpportunitylAffihmative Action Employer-50%RecycledA rN Post consumer Paper
�x

'Or. Jim Lochren
Jenco Concrete Plant
NCG 140381
November 21, 2008
Please note that any future construction, installation, or modification of wastewater
treatment facilities (including process wastewater recycle systems) will also require an
Authorization to Construct (ATC) prior to construction per 15A NCAC 2H .0138 & .0139. You
must submit, in triplicate, plans/specifications and design calculations, stamped and sealed by a
professional engineer, with a letter requesting an ATC to the Stormwater Permitting Unit, 1617
Mail Service Center, Raleigh, NC 27699-I617.]
One (1) set of approved plans and specifications is being forwarded to you. The
Permittee shall maintain a copy of the approved plans and specifications on file for the life of the
facility. If you have any questions concerning this permit or Authorization to Construct, please
contact Bethany Gcorgoulias at telephone number [phone].
Sincerely,
� o
for Coleen H. Sullins
cc: Raleigh Regional Office
Central Files
Stormwater Permitting Unit Files
Wake County
R.T. Lewis/ Kimley-Horn and Assoc., Inc./ P.O. Box 33068/ Raleigh, NC 27636-3068
enclosure

Larsen, Cory
From:
Bennett, Bradley
Sent:
Tuesday, June 02, 2015 5:10 PM
To:
Larsen, Cory
Subject:
RE: NCG140381
Attachments:
Blank Renewal Form for NCG140000.doc; NCG140381 Invoice.pdf
Cory,
Jenn had already generated the invoice for the fees for this one. It covers three years. That is as far is we were going
back on these. Anyway, here is the invoice and the blank form. Note that the invoice will be to the old facility name if
they have had a name change.
Bradley Bennett
Stormwater Permitting Program
NC Division of Energy, Mineral and Land Resources
1612 Mail Service Center
Raleigh, NC 27699-1612
Phone: [phone]
Fax: [phone]
Email: braday.bennett(a)ncdenr.gov
Web: http://portal.ncdenr.org/web/Ir/stormwater
Email correspondence to and from this address may be subject to public records laws
From: Bennett, Bradley
Sent: Wednesday, May 27, 2015 1:48 PM
To: Larsen, Cory
Subject: RE: NCG140381
Cory,
Here is some info from the stormwater file here. I didn't include a view items —for example a return letter when the
package was returned in March 2008. Hope it is helpful.
1:34
Bradley Bennett
Stormwater Permitting Program
NC Division of Energy, Mineral and Land Resources
1612 Mail Service Center
Raleigh, NC 27699-1612
Phone: [phone]
Fax: [phone]
Email: bradley.bennett(a),ncdenr.gov
Web: hftp://portal.ncdenr.org/web/Ir/stormwater
Email correspondence to and from this address may be subject to public records laws
From: Bennett, Bradley
Sent: Wednesday, May 27, 2015 1:35 PM
To: Larsen, Cory
Subject: RE: NCG140381
Cory;

I think it will be helpful to see what, if anything, they have been doing under the NCG14 and then determine the course
of action to get them covered appropriately. If they show that they have been abiding by the permit then I think we can
more easily go with paying some of the back fees (we were going back three years) and doing a renewal.
m
Bradley Bennett
Stormwater Permitting Program
NC Division of Energy, Mineral and Land Resources
1612 Mail Service Center
Raleigh, NC 27699-1612
Phone: [phone]
Fax: [phone]
Email: bradlev.bennett(v)ncdenr.gov
Web: http://portal.ncdenr.ora/web4r/stormwater
Email correspondence to and from this address may be subject to public records laws
From: Larsen, Cory
Sent: Wednesday, May 27, 2015 1:17 PM
To: Bennett, Bradley
Subject: RE: NCG140381
Yes please email me the COC if you have it. I still plan to do a regular inspection (since they've never had one that I can
tell) and just want to be able to communicate to the owner what needs to happen to get back into compliance whether
that's a new application, renewal application, pay prior year fees, etc. Thanks.
Cory Larsen, PE
Environmental Engineer 1I
NCDENR I DWR I Raleigh Regional Office
3800 Barrett Drive, Raleigh, NC 27609
T:[phone]
Note: E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties.
From: Bennett, Bradley
Sent: Wednesday, May 27, 2015 12:52 PM
To: Larsen, Cory
Subject: NCG140381
Cory,
It doesn't appear that this permit was renewed in 2011. Just a little background on this one. It was issued in 2008. The
NCG14 general permit was extended for two years while we reviewed things through 2011 (which is when their
coverage expired). This permit is one of a number of permits that the BIMS folks recently found had never been billed
(not sure of the reason). So since 2008 we never sent them a bill. Jenn Smith has recently created invoices for the last
three years for all of these, including this one. So, they haven't paid fees, but were never billed by us. I checked goggle
dots and didn't find any data submitted for the facility either. It would be good at the inspection to check and see if
they have any data.
I can scan in and email you the original COC for this one.
I:i7
Bradley Bennett

Stormwater Permitting Program
NC Division of Energy, Mineral and Land Resources
1612 Mail Service Center
Raleigh, NC 27699-1612
Phone: [phone]
Fax: [phone]
Email: bradlev.bennett(@,ncdenr.gov
Web: http://portal.ncdenr.org/web/Ir/stormwater
Email correspondence to and from this address may be subject to public records laws

Material Safety Data Sheet
I
EUa1D OIEMIfAL
ACCELGUARD NCA - BULK GALLONS
Version 4.1
Print Date 03/03/2015
REVISION DATE: 02/03/2015
SECTION 1 - PRODUCT IDENTIFICATION
Trade name ACCELGUARD NCA - BULK GALLONS
Product code 019N 99
COMPANY Euclid Chemical Company
19218 Redwood Road
Cleveland, OH 44110
Telephone [phone]
Emergency Phone U.S. only: 1-800-424-9300
International Users Call Collect: 1-703-527-3887
Product use Admixture
SECTION 2 - HAZARDS IDENTIFICATION
Emergency Overview
Light Yellow. Liquid. No serious effects anticipated under normal conditions of use. Leave
area to breathe
fresh air. Avoid further overexposure. If symptoms persist, get medical attention.
Acute Potential Health Effects/ Routes of Entry
Inhalation No serious effects anticipated under normal conditions of use.
Eyes Direct contact may cause mild irritation.
Ingestion May cause gastrointestinal irritation, nausea, and vomiting.
Skin May cause mild irritation.
Aggravated Medical Conditions
Pre-existing eye, skin and respiratory disorders may be aggravated by exposure.
Chronic Health Effects
Fillers are encapsulated and not expected to be released from product under normal conditions of use.
SECTION 3 - PRODUCT COMPOSITION
Chemical Name CAS -No. Weight %
Calcium nitrate 10124-37-5 40.0 - 70.0
Water 7732-18-5 40.0 - 70.0
Sodium thiocyanate 540-72-7 1.0 - 5.0
SECTION 4 - FIRST AID MEASURES
Get immediate medical attention for any significant overexposure.
Inhalation Leave area to breathe fresh air. Avoid further overexposure.
If symptoms persist, get
medical attention.
""rimC. 1/6
019N 99

Material Safety Data Sheet
_ EUCLID OIEMIC'AL
ACCELGUARD NCA - BULK GALLONS
Version 4.1 Print Date 03/03/2015
REVISION DATE: 02/03/2015
Eye contact Flush with water for 15 minutes. If irritation persists, get medical attention.
Skin contact Wash area of contact thoroughly with hand cleaner followed by soap and water. If
irritation, rash or other disorders develop, get medical attention immediately.
Ingestion Get medical attention. Do not induce vomiting.
Notes to physician Not applicable.
SECTION 5 - FIRE FIGHTING MEASURES
Flash point Not available.
Method Not available.
Lower explosion limit Not available.
Upper explosion limit Not available.
Autoignition temperature Not available.
Extinguishing media This product is not expected to burn under normal conditions of use.
Hazardous combustion Carbon monoxide and carbon dioxide can form.Smoke, fumes.
products
Protective equipment for Use accepted fire fighting techniques. Wear full firefighting protective
firefighters clothing, including self-contained breathing apparatus (SCBA).
Fire and explosion conditions This product not expected to ignite under normal conditions of use.
SECTION 6 -ACCIDENTAL RELEASE MEASURES
Stop flow. Contain spill. Keep out of water courses. Absorb spill in sand, earth or other suitable material.
Transfer to appropriate container for disposal. Use appropriate protective equipment. Avoid contact with
material.
SECTION 7 - HANDLING AND STORAGE
Handle in compliance with common hygienic practices. Clean hands thoroughly after handling. Keep from
freezing. Do not use in confined or poorly ventilated areas. Prevent inhalation of vapor, ingestion, and contact
with skin eyes and clothing. Keep container closed when not in use. Precautions also apply to emptied
containers. Store in sealed containers in a dry, ventilated warehouse location above freezing.
SECTION 8 - EXPOSURE CONTROLS / PERSONAL PROTECTION
Personal protection equipment
Respiratory protection Not required under normal conditions of use.
Hand protection Use suitable impervious rubber or vinyl gloves and protective apparel to
reduce exposure.
Eye protection Wear appropriate eye protection.Wear chemical safety goggles and/or face
shield to prevent eye contact. Do not wear contact lenses. Do not touch eyes
with contaminated body parts or materials. Have eye washing facilities readily
available.
a'FMc� 2/6 019N 99

Material Safety Data Sheet O
Euao UHEMMJC
ACCELGUARD STANDARD - BULK GALLONSACCELGUARD STANDARD -
BULK GALLONS
Version 2.0__Print Date 02/21/2015
REVISION DATE: 07/08/2012
SECTION 1 - PRODUCT IDENTIFICATION
Trade name ACCELGUARD STANDARD - BULK GALLONSACCELGUARD STANDARD -
BULK GALLONS
Product code 02299
COMPANY Euclid Chemical Company
19218 Redwood Road
Cleveland, OH 44110
Telephone [phone]
Emergency Phone: U.S. only: 1-800-424-9300
International Users Call Collect: 1-703-527-3887
Product use Admixture
SECTION 2 - HAZARDS IDENTIFICATION
Emergency Overview
Clear. Brown. Liquid. No serious effects anticipated under normal conditions of use. Leave area to breathe
fresh air. Avoid further overexposure. If symptoms persist, get medical attention.
Acute Potential Health Effects/ Routes of Entry
Inhalation No serious effects anticipated under normal conditions of use.
Eyes Direct contact may cause mild irritation.
Ingestion May cause gastrointestinal irritation, nausea, and vomiting.
Skin May cause mild irritation.
Aggravated Medical Conditions
Pre-existing eye, skin and respiratory disorders may be aggravated by exposure.
Chronic Health Effects
Fillers are encapsulated and not expected to be released from product under normal conditions of use.
SECTION 3 - PRODUCT COMPOSITION
Chemical Name CAS -No. Weight%
Water 7732-18-5 > 60.0
Calcium chloride 10043-52-4 15.0 - 40.0
SECTION 4 - FIRST AID MEASURES
Get immediate medical attention for any significant overexposure.
Inhalation Leave area to breathe fresh air. Avoid further overexposure. If symptoms persist, get
medical attention.
Eye contact Flush with water for 15 minutes. If irritation persists, get medical attention.
mFMc,� 1/5 02299

Material Safety Data Sheet O
EUMO OHMIC"
ACCELGUARD STANDARD - BULK GALLONSACCELGUARD STANDARD -
BULK_ GALLONS
Version 2.0 Print Date 02/21/2015
REVISION DATE: 07/08/2012
Skin contact Wash area of contact thoroughly with hand cleaner followed by soap and water. If
irritation, rash or other disorders develop, get medical attention immediately.
Ingestion Get medical attention. Do not induce vomiting.
Notes to physician Not applicable.
SECTION 5 - FIRE FIGHTING MEASURES
Flash point Not available.
Method Not available.
Lower explosion limit Not available.
Upper explosion limit Not available.
Autoignition temperature Not available.
Extinguishing media This product is not expected to burn under normal conditions of use.
Hazardous combustion Carbon monoxide and carbon dioxide can form.Smoke, fumes.
products
Protective equipment for Use accepted fire fighting techniques. Wear full firefighting protective
firefighters clothing, including self-contained breathing apparatus (SCBA).
Fire and explosion conditions This product not expected to ignite under normal conditions of use.
SECTION 6 - ACCIDENTAL RELEASE MEASURES
Stop flow. Contain spill. Keep out of water courses. Absorb spill in sand, earth or other suitable material.
Transfer to appropriate container for disposal. Use appropriate protective equipment. Avoid contact with
material.
SECTION 7 - HANDLING AND STORAGE
Handle in compliance with common hygienic practices. Clean hands thoroughly after handling. Keep from
freezing. Do not use in confined or poorly ventilated areas. Prevent inhalation of vapor, ingestion, and contact
with skin eyes and clothing. Keep container closed when not in use. Precautions also apply to emptied
containers. Store in sealed containers in a dry, ventilated warehouse location above freezing.
SECTION 8 - EXPOSURE CONTROLS / PERSONAL PROTECTION
Personal protection equipment
Respiratory protection Not required under normal conditions of use.
Hand protection Use suitable impervious rubber or vinyl gloves and protective apparel to
reduce exposure.
Eye protection Wear appropriate eye protection.Wear chemical safety goggles and/or face
shield to prevent eye contact. Do not wear contact lenses. Do not touch eyes
with contaminated body parts or materials. Have eye washing facilities readily
available.
Skin and body protection Prevent contact with shoes and clothing. Use rubber apron and overshoes.
mFMc.,P'v 2/5 02299

Material Safety Data Sheet
I
EUtLID OIEMII
EUCON AEA-92_ - BULK GALLONS
Version 9.1 Print Date 03/11/:
REVISION DATE: 12/02/2014
Components under California Proposition 65:
WARNING! Contains chemicals known to the State of California to cause cancer, birth defects and/or other
reproductive harm
ISECTION 16 - OTHER INFORMATION I
HMIS Rating:
Health
1
Flammability
0
Reactivity
0
PPE
Further information:
0 = Minimum
1 = Slight
2 = Moderate
3 = Serious
4 = Severe
For Industrial Use Only. Keep out of Reach of Children. The hazard information herein is offered solely for the
consideration of the user, subject to their own investigation of compliance with applicable regulations, including
the safe use of the product under every foreseeable condition.
Prepared by: Rich Mikol
Legend
ACGIH -American Conference of Governmental Hygienists
CERCLA- Comprehensive Environmental Response, Compensation, and
Liability Act
DOT - Department of Transportation
DSL - Domestic Substance List
EPA - Environmental Protection Agency
HMIS - Hazardous Materials Information System
IARC - International Agency for Research on Cancer
MSHA - Mine Safety Health Administration
NDSL - Non -Domestic Substance List
NIOSH - National Institute for Occupational Safety and Health
NTP - National Toxicology Program
OSHA - Occupational Safety and Health Administration
PEL - Permissible Exposure Limit
RCR4 - Resource Conservation and Recovery Act
RTK - Right To Know
SARA - Superfund Amendments and Reauthorization Act
STEL - Short Term Exposure Limit
TLV - Threshold Limit Value
TSCA - Toxic Substances Control Act
TWA - Time Weighted Average
V - Volume
VOC - Volatile Organic Compound
WHMIS - Workplace Hazardous Materials Information
System
011A 99

Material Safety Data Sheet O
EDQID MEMIGL
PL_AS_T_OL_ 6420 - B_ U_LK_PLASTOL_6_420 - B_U_LK
Version 4.0 Print Date 03/11/2015
REVISION DATE: 02/14/2013
SECTION 12 - ECOLOGICAL INFORMATION
No Data Available
SECTION 13 - DISPOSAL CONSIDERATIONS
Disposal Method Waste not regulated under RCRA. Dispose of in compliance with state and local
regulations.
r
SECTION 14 - TRANSPORTATION / SHIPPING DATA
CFR/DOT:
Not Regulated
TDG:
Not Regulated
IMDG:
Not Regulated
SECTION 15 - REGULATORY INFORMATION
North American Inventories:
All components are listed or exempt from the TSCA inventory.
This product or its components are listed on, or exempt from the Canadian Domestic Substances List.
U.S. Federal Regulations:
SARA 313 Components None present or none present in regulated quantities.
SARA 311/312 Hazards Based on an evaluation of the components used, this product does not
contain hazardous ingredients identified as per 29 CFR 1910.1200
OSHA Hazardous Components:
Glutaraldehyde 111-30-8
OSHA Flammability Not Regulated
Regulatory VOC (less water and 0 g/I
exempt solvent)
VOC Method 310 0 %
U.S. State Regulations:
MASS RTK Components Propylene oxide 75-56-9
""FeMc.p.,v 415 866199

Material Safety Data Sheet
O
EUCUD OIEMIU
PLASTOL 6420-_BULKPLASTO_L 64_20 -_BULK__
Version 4.0
Print Date 03/11/2015
REVISION DATE: 02/14/2013
Engineering measures Not required under normal conditions of use.Use local exhaust when the
general ventilation is inadequate.
Exposure Limits
No known components with exposure limits.
SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES
Form Liquid
Color Amber
pH 5
Vapour pressure Not available.
Vapor density Heavier than air
Melting point/range Not available.
Freezing point Not available.
Boiling point/range Not available.
Water solubility Soluble
Specific Gravity 1.045 +/- 0.01
% Volatile Weight 81.3 %
SECTION 10 - REACTIVITY / STABILITY
Substances to avoid Strong acids.Strong bases.
Stability Stable
Hazardous polymerization Will not occur.
SECTION 11 -TOXICOLOGICAL INFORMATION
Glutaraldehyde, CAS -No.: 111-30-8
Acute oral toxicity (LD-50 oral) 134 mg/kg ( Rat) 820 mg/kg
( Rat) 96.1 mg/kg ( Rat) 100
mg/kg ( Mouse ) 1,300 mg/kg
( Mouse ) 122 mg/kg ( Mouse
Acute inhalation toxicity (1-C-50) 5,000 mg/I for 4 In ( Rat ) 24 mg/I
for 4 h ( Rat ) 40 mg/I for 4
h ( Rat)
Acute dermal toxicity (LD-50 dermal) 2,560 mg/kg ( Rabbit )
"" P&O C. P.W 3/5
8661 99

Print - Maps
Page 1 of 2
P.9 bing Maps
A 3800 Barrett Dr, Raleigh, NC 27609
B 512 Three Sisters Rd, Knightdale, NC 27545
Route: 17.2 mi, 20 min
My Notes
(� On the go? Use m.bing.eom to find maps,
® directions, businesses, and more
A
3800 Barrett Dr, Raleigh, NC 27609
A—B: 17.2 mi
20 min
1.
Depart Barrett Dr toward Haworth Dr
0.1 mi
�► 2.
Turn right onto Six Forks Rd
0.4 mi
0 3.
Take ramp right and follow signs for 1-440 East
5.0 mi
4.
At exit 14, take ramp right for US-264 East / US-64 East toward Rocky
Mount / Wilson / Greenville
9.9 mi
I 5.
At exit 429, take ramp right and follow signs for US-64-BR
0.5 mi
41 6.
Turn left onto US-64 W Branch / Wendell Blvd
0.7 mi
h 7.
Turn left onto Three Sisters Rd
151 ft
8.
Keep left to stay on Three Sisters Rd
0.6 mi
---------------------------
B 9.
-------------
Arrive at 512 Three Sisters Rd, Knightdale, NC 27545
These directions are subject to the Microsoft® Service Agreement and for informational purposes only. No guarantee is made regarding their completeness or accuracy.
Construction projects, traffic, or other events may cause actual conditions to differ from these results. Map and traffic data 02015 NAVTEQTM.
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FOR AGENCY USE ONLY
Dm Rattivd
yca I mi A I Da
Division of Water Quality / Surface Water Protection
061 17
MC
NC®ENR National Pollutant Discharge Elimination System
mo
_ _
NCG140000
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NOTICE OF INTENT
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National Pollutant Discharge Elimination System application for coverage under General Permit
m
�,
NCG140000:
STORMWATER AND PROCESS WASTEWATER DISCHARGES associated with activities classified as:
C
SIC (Standard Industrial Classification) Code - 3273 Ready Mixed Concrete
For new plant sites that will discharge or recycle process wastewater (even if commingled with
stormwater): This NOi is also an APPLICATION FOR Authorization to Construct (ATC) wastewater
treatment facilities. ATC requests must be submitted at least 90 days prior to construction'.
For xis in plant sites discharging or recycling process wastewater (even M commingled with
stormwater): This NOI is also an APPLICATION FOR Authorization to continue to operate wastewater
treatment facilities in place. Construction, modification, or Installation of any new treatment components
at an existing site requires an ATC.
Treatment facilities used to treat or recycle process wastewater (including stormwater BMP structures
treating process wastewater flows commingled with stormwater) require an ATC prior to construction
per 15A NCAC 211.0138. The authorization to construct or continue to operate will be issued at the
same time as the Certificate of Coverage (COC) for the NCG14 permit. Design of treatment facilities
must comply with requirements of 15A NCAC 2H .0138 & .0139.
Construction of wastewater treatment facilities (this Includes recycle systems) at new or existing plant
sites requires submission of three (3) sets of plans and specifications signed and sealed by a
Professional Engineer (P.E.) or qualified staff2 along with this application. A copy of the design
calculations should be Included. Please see questions 14 & 15.
For questions, please contact the OWO Regional Office for your area. {See page 5)
(Please print or type)
1) Mailing address of ownerloperator (address to which all permit correspondence will be mailed):
Name
Street Address
City
Telephone No.
2) Location of facility producing discharge:
Facility Name
Facility Contact
Street Address
City
County
Telephone No.
Page 1 of 5
'As per 15A NCAC 2H .010a.
rUrJess treatment factiidas are designed, constructed, and put into operation by employees internal to the company who are qualified to
perform such work for their respective companies in accordance with General Statutes, BSC-25 (7), plans and specifications must be signed
and sealed by a P.E.
SWU-229-091007 „ . Last revised 09/10/07

NCG140000 N.O.I.
3) Physical location Information:
Please provide a narrative description of how to get to the
distance and direction from a roadway intersection). Fee
(use street names, state road numbers, and
lr:c G. U.5-(o4 Ai 3;i _5s
(A copy of a county map a USGS quad sheet with facNry cleady located an the map is a required part of this appikaaon.)
4) Latitude ,aS 47r57 88rrLongitude 78z5 513g W (deg,min,sec)
5) This NPDES Permit Application applies to which of the following:
A New or Proposed Facility Date operation is to begin A v iba 5 I- Z 008
0 Existing
6) Standard Industrial Classification:
Provide the 4 digit Standard Industrial Classification Code (SIC Code) that describes the primary Industrial
activity at this facility
SIC Code: 3 2 '7 3
7) Provide a brief description of the types of industrial activities and products produced at this facility:
(Include a site diagram showing the process areai present at this facility.)
8) Discharge points / Receiving waters:
How many discharge points (ditches, pipes, channels, etc.) convey stormwater and/or wastewater from the
property? Ooi C
What is the Hama of the body or bodies of water (creek, stream, river, lake, etc.) that the facility stormwater
and/or wastewater discharges end up in? A 1 -r 5 C CC k-
it the site stormwater discharges to a separate storm sewer system, name the operator of the separate storm
sewer system (e.g. City of Raleigh municipal storm sewer). iv/A
Receiving water classification (if known): NSW
Note: Discharge of process wastewater to receiving waters classified as WS-11 to WS-V or SA must
be approved by the N.C. Dept. of Environmental Health. If DEH does not approve, coverage
under NCG140000 cannot be granted. No now discharges of process wastewater are
permitted in receiving waters classified as WS4 or freshwater ORW.
9) Does this facility have any other NPDES permits?
% NO
.❑ Yes
If yes, list the permit numbers for all current NPDES permits for this facility: _
10) Does this facility have any Non -Discharge permits (ex: recycle permits)?
,K No
❑ Yes
If yes, list the permit numbers for all current Non -Discharge permits for this facility:
1 1) Does this facility employ any best management practices for stormwater control?
❑ No
'M Yes
If yes, please briefly
Page 2 of 5
SW U-229-09t007 Last revised 09/07/2007

NCG14000O N.O.I.
12) Does this facility have a Stormwater Pollution Prevention Plan?
❑ No
)KYes
If yes, when was it implemented? W
13) Are vehicle maintenance activities occurring or planned at this facility?
❑ No
Xyes
Wastewater Treatment Deslan information
wrrLn WIWI
o?a e-,; i-i � n i
14) Are discharges occurring or planned from any of the following process wastewater generating activities?
Vehicle and equipment cleaning
19 Yes
❑ No
Watling of raw material stockpiles
Yes
❑ No
Mixing drum cleaning
Yes
❑ No
it yes to any of the above, please describe the type of process used to treat and/or recycle the process
wastewater.
For a sufficient application, you must provide design specifics (e.g., design volume, retention time, surface
area, etc.) and calculations to demonstrate compliance with permit effluent limits (pH — 6-9 SU, Total
Suspended Solids (TSS) — 30 mgA, and Settleable Solids (SS) — 5 mill.) [Use separate sheet(s)].
it all these discharges are recycled, please refer to Question 15.
For plants that recycle and/or discharge Process wastewater
When applying for this permit, you are also applying for an authorization to construct (new
treatment factlities) or authorization to continue to operate (existing treatment facilities) a$
part of the Not. For new safes. you must submit three (3) sets of design plans and
specifications with this application and provide supporting calculations that predict
compliance of final discharge with permit limits. For existing sites. applicants should submit
three (3) sets of plans and specs for facilitles as -built and provide as many design details as
possible, or submit a detailed diagram of treatment systems In p/arm that Includes Information
such as tank volumes, dimensions, retention time, piping, settling basin details, etc. -
Please note: if new treatment systems are Planned for an existing $ite an ATC will be required
prior to construction of those facilities. Plans/specs/calculations prepared by a P.E. and the
request for an ATC may be -submitted with this NOI, or separately at a later date. DWO may
request the status of your plans /or requesting an ATC upon issuance of the COC.
15) Does the facility use or plan to use a recycle system?
No
❑ Yes
if yes, what size storm event is the system designed to hold before overflowing? (for example, 10-yr, 24-hr)
year, 24-hr rainfall event
For a recycle system (regardless of when it overflows), please provide plans, calculations, and design
specifics (e.g., throughput assumptions/water balance, design volume, retention time, surface area, amount of
freeboard in design storm event, etc.). (Use separate sheet(s)).
For a sufficient application, the information must demonstrate compliance of final discharge with permit
effluent limits (pH — 6-9 SU, Total Suspended Solids (TSS) — 30 mgA, and Settleable Solids (SS) — 5 mill), or
must demonstrate that the recycle system has sufficient capacity to contain runoff from a 25-year, 24-hr
rainfall event plus one foot of freeboard under design operating conditions.
Page 3 of 5
SwU-229-091007
Last revisod 0e107J2007

NCG140000 N.O.I.
16) Are wastewater treatment facilities (including recycle systems) planned In the 100-year flood plain?
A No ❑ Yes If so, include information to demonstrate protection from flooding. (Minimum design
requirements for treatment works include protection from the 100-year flood, per ISA NCAC 2H .0219.)
'• I
17) Hazardous Waste:
a) Is this facility a Hazardous Waste Treatment, Storage, or Disposal Facility?
)E(No
0 Yes
b) is this facility a Small Quantity Generator (less than 1000 kg. of hazardous waste generated per month) of
hazardous waste?
XNo
❑ Yes
c) Is this facility a Large Quantity Generator (1000 kg, or more of hazardous waste generated per month) of
hazardous waste?
�No
❑ Yes
d) If you answered yes to questions b. or c., please provide the following information:
Type(s) of waste:
How is material stored:
Where is material stored:
How many disposal shipments per year:
Name of transport ldisposal vendor:
Vendor address:
16) Certification:
North Carolina General Statute 143-215.6 e(i) provides that:
Any person who knowingly makes any false statement, representation, or certification in any application, record, report, plan, or other
document filed or required to be maintained under this Article or a rule Implementing this Article; or who knowingly makes a false
statement of a material fact in a mlemaking proceeding or contested case under this Article; or who falsifies, tampers with, or knowingly
renders inaccurate any recording or monitoring device or method required to be operated or maintained under this Article or rules of the
(Environmental Management) Commission implementing this Article shall be guilty of a Class 2 misdemeanor which may Include a fine
not to exceed ten thousand dollars ($10,000).
I hereby request coverage under the referenced General Permit. I understand that coverage under this permit
will constitute the permit requirements for the discharge(s) and is enforceable in the same manner as an
individual permit.
I certify that I am familiar with the information contained in this application and that to the best of my
knowledge and belief such information is true, complete, and accurate.
Printed Name of Person S(anina/ Sp,\)NC<j
of
.z r co,
(Date Signed)
Notice of Intent must be accompanied by a check or money order for $100.00 made payable to:
NCDENR
Page 4 of 5
SW U-229-N I007 Last revised 09/07/2007

NCG140000 N.O.I.
Final Checklist
This application will be returned as Incomplete unless all of the following items have been Included:
Check for $100 made payable to NCDENR.
This completed application and all supporting documentation (including design details and calculations for
treatment systems).
If an Erosion & Sedimentation Control (E&SC) Plan is required from Division of Land Resources (DLR)
or local designee: documentation verifying applicant has developed and submitted that Plan to the governing
agency (required per 15A NCAO 02H .0138). ev`d -%C' �
For new sites (or sites that will install new treatment facilities): Three (3) copies of plans and
specifications for wastewater treatment facilities (including recycle systems), signed and sealed by a
1 Professional Engineer or qualified staff meeting requirements of G.S. 89C-25 (7).
Q yNi1H For existing sites: three (3) copies of plans and specifications for wastewater treatment facilities (including
eS recycle systems) as bui , stamped and sealed by a Professional Engineer, or (only if plans not available) a
detailed diagram of treatment systems in place that includes information such as tank volumes, dimensions,
retentlon time, piping, settling basin details, etc.
A site map showing, at a minimum, (existing or proposed):
(a) outline of drainage areas, (b) stormwaterAvastewater treatment structures, (c) location of
stonnwater/wastewater outfalls (corresponding to which drainage areas), (d) runoff conveyance structures,
(a) areas where materials are stored, (f) impervious areas, and (g) site property lines.
A county map or USGS quad sheet with location of facility clearly marked.
C=-n6lodCd'n c4lwl�.t�o.,5�
Mail the entire package to:
Stormwater Permitting Unit
Division of Water Quality
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Note
The submission of this document does not guarantee the issuance of an NPDES permit.
For questions, please contact the DWO Regional Office for yourarea.
DWQ Regional Office Contact Information:
Asheville Office ...... [phone]
Fayetteville Office ... [phone]
Mooresville Office ... [phone]
Raleigh Office ........ [phone]
Washington Office ...[phone]
Wilmington Office ... [phone]
Winston-Salem ...... [phone]
Central Office ......... [phone]
Page 5 of 5
SW U-229-091D07 Last revised 09/0712007

NCG140381 June 20, 2008
B. Georgoulias
rev 11/21/08
Jenco Concrete Plant (Knightdale)
Summary
This facility submitted a Notice of Intent to be covered under General Permit NCG140000
(Ready-rni_ied Concrete). The stormwarter discharge drains to a UT to Marks Creek (Class
C; NSW), in the Neuse River Basin. This facility is located in Wake County, handled by
the Raleigh Regional Office.
Application review
a) The permit application has been signed and sufficiently completed. Yes, but
additional information on wastewater treatment system design needed
to complete ATC review. Application first received in March 2008 and
returned as incomplete on 3/20/08 (Return #1178). See correspondence.
b) The SIC code accurately describes this facility's activities and is covered by this
general permit.Yes, SIC 3273 (Ready -mixed Concrete).
c) Does the facility propose anew or expanding wastewater discharge to ORW
waters (not allowed), or waters upstream of ORW (special limits may apply)?
No.
d) DEH or Shellfish Sanitation Approval Required? N/A
c) Does this facility have other permits? Yes. Neuse NSW Stormwater Post -
Construction controls reviewed by Wake County.
f) I Hazardous Waste Activities? No.
g) DLR Mining Permit status: N/A
h) Regional Office input requested_ 10/16/08 (J. Garrett, RRO)
RO Approval received: No uhjuci;ion received by 1 U21108 (see e-mail).
i) Is an ATC/ATO Required (NCG02 or NCGLi)? Yes. See Special Notes.
j) Erosion/Sedimentation Plan Applied for [NCG14 or NCG02 ATC only]?
Yes —application included.
k) Application approved? Yes.
1) In Mecklenburg or Wake County (If so, copy final COC there)? Yes - Wake.
m) Special Notes: An ATC is required; however, additional information
needed to demonstrate compliance with NCG14 limits. Applicant
proposes treating process wastewater at this site with a settlement
chamber and stormwater wet pond. See phone logs and review notes
below for discussions with Kimley-Horn consultant Ryan Lewis.

NCG140381
Phone logs
June 20, 2008
B. Georgoulia_
rev 11/21/08
6/24/2008: Phoned Ryan Lewis with Ivniley-Horn and Associates (919.678.4148.
ryon..lewis@la rnley-horn..conr) to discuss submitted design plans and calculations.
Requested additional information, particularly with regard to Stoke's Law calcs for the final
discharge (must include settling in pond, which is part of treatment train).
10122: Spoke with 11yan Lewis about additional information calculations.
ATC Plans and Calculations Review
• Drainage area does not include stornnvat.er pond surface area as impervious area
(will be important for wastewater treatment calculations because the pond receives
direct rainfall, and detention time won't account for that extra volume).
• What are assumptions for production water use and truck washdown? Does that
include runoff from that area or washout amount (or both)?
• Appears stockpile wetdown and some truck washout runoff could bypass settling
chamber and flow directly to the wet pond via concrete flumes: is that. intentional?
•. Calcs assert particles greater than 12 microns will be removed. but a significant
portion of cement particles (>46 percent) are typically smaller. Also, the calculation
is not carried out far enough to demonstrate compliance with TSS limit. [What are
the assumptions about mass in and out? How does end result comply with 30 mg/1
limit?]
• Also, stormwater pond is part of wastewater treatment — need to either carry cales
through pond with cement particle to demonstrate adequate treatment or meet
limits at end of settling chamber. Additionally, if pond receives aggregate pile
wetdown runoff, it is treating that wastewater (i.e.. ATC will apply to the pond as
well).
• Fortrans unit to adjust pH before pond — okay.
Additional Information Review (submitted 9119108)
• See 9/19 response letter from consultant for summary of issues addressed.
• Assumptions clearly outlined in calculations. Ten-year design storm basis.
• Stoke's Law calculations expanded to include pond (which was also resized since
original submittal; amendments submitted to Wake County as per requirement.)
• Design is conservative in several aspects: (1) no settling attributed to pH adjustment.
(but there will be some); (2) Stoke's Law calculations estimated removal efficiency
based on a ratio of the settling velocity to the critical velocity (rather than assuming
a certain percentage of the particles are distributed above and below weir in the
water column) —this approach attempts to account- for `suction' of some particles over
the weir even when they should settle below it); (3) settling chamber and retention
pond calculations allow for one foot of solids accumulation (volume not included in
calculations)
• Discussed orifice size and location in pond. Recommended turned down outlet —will
modify. (Should be especially mindful of potential clogging, given that this is a
concrete production facility.)
• Reviewer recommends approval.

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Kimley-Hom♦
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0 2015 KIMLEY-HORN AND ASSOCIATES, INC.
3001 WESTON PARKWAY, CARY, NO 27636
PHONE: [phone] FAX: 919-6»-2050
NC LICENSE XF-0102 WW W KIMLEY-HORN.COM
KHA PROJECT
01285800i
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CRMC SITE UPGRADES
PREPARED FOR`6
CAPITAL READY MIX CONCRETE, LLC
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WAKE GOUNTY GENERAL USE PERMIT RE -SUBMITTAL 3
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DOE
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WAKE COUNTY GENERAL USE PERMIT RE -SUBMITTAL 2
7-2-14
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WAKE COUNTY GENERAL USE PERMIT RE -SUBMITTAL 1
6-23-14
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192 AC
STREET ACpS4
SI2 THREE 951E1R ROAD
KNIGHTDAE. NC 2754S
PARCEL IOFNT IGTCN Numem (PIN)
1764-2Y7005
DESCRIPTION
LOT 11 TNOIPSW INWSTRAL PARK
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YAXIYUY A OF FW.-nYE EYRCYEES
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14 MMES T CONCRETE PRCOUCndI/IAST TON EYPLOIEES
DALY
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EXISTING 20NING
2
EXISTING USE
INDUSARA./CdIYENGAL (CW«ETE R.vlr OFRAMN)
LAW. LOT SIZE
MOOD 9' OR 033 AC
1EM INC IN1ENSTY
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.ME FCOTACE OF OPERATION. IIS.b2 S'
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FLNR AREA RATIO (FM)
TOTAL ROOT MEA 0.14 AC
TOTAL SITE AREA, 192 AC
FM: 0.024 (0.14 AC/197 AC)
EXISTING IMPEAMCAS COH AGE
TOTAL IYRANOXS AREA 101 AC
Y NQ S
pRCP03D IYPERNOIS COYpASE ®
LOiAL WPQiNOIS AREA: 112 AC
S IYRRNQIS SS1S
w9rE EA9YEErTs
ROADWAY INFORMATION
MAFFc IWACT MALYSS
NOT RECA EO
CWNEWAY ACCESS
T 9S"NO ROAD (YINOR MOiWO1EMS
PRENOIAY AP% .( NCOOT dR4£NAT PERAT NO.
DEI-4 0T-213 (WAY 20N)
OF-9TE IUPROWNFNTS
N/A
niAFFlc GENERATION DATA
DALY uAAYuu ENPL0KE5 32
DALT YA%IYVY CCNOtETE MICELC�ICN: 39
roTu DALT u.Aauvu: T1
UPUTY AVAILABILITY'
WAIEA
PIOVAIE YQL
SAATARY SEWER
I..m SEAT TAW(
Sidi" SEWER
%M SYBRYWATER OSCMARQS TO EXISTING w- OIP F4F UNDER WL
ANDOR.ACE CYCH ALONG THREE SISTERS ROAD,
NANRAL GS
N/A
ElE[MIC
OKRIEID (PRCGRESs ENERGY)
TELEPHONE/CASE
I OhN1EID
SITE DISTANCE
SITE OSTMQ LINES
6Bd
9LVtQ
NCDOT POLICY DN STREET AND MPo Ay ACCESS i0 NO WIGHWAr
1-
SHEET NUMBER
SITE AND GRADING PLAN 3
OF
4

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Permit: WC-(t 1 gO3Q I Owner- racillty: , C"IF ()7'L Yk-A-O? K%;x CJ"O A-Crec)
Inspection Date:, 5,7,6/l r Inspection Type: Compliance Evaluation Reason for Visit: Routine
Stormwater Pollution Prevention Plan Yes No NA NE
Does the site have a Stormwater Pollution Prevention Plan? ef '0 ❑ ❑
# Does the Plan include a General Location (USGS) map? L66 ❑ ❑ 4s , J�,._i
# Does the Plan include a "Narrative Description of Practices'? eb ❑ ❑
If Does the Plan include a detailed site map including outfall locations and drainage areas? L ❑ ❑ ❑
# Does the Plan include a list of significant spills occurring during the past 3 years?
# Has the facility evaluated feasible alternatives to current practices?
# Does the facility provide all necessary secondary containment?
# Does the Plan include a BMP summary?
# Does the Plan include a Spill Prevention and Response Plan (SPRP)?
# Does the Plan include a Preventative Maintenance and Good Housekeeping Plan?
# Does the facility provide and document Employee Training?
# Does the Plan include a list of Responsible Party(s)?
# Is the Plan reviewed and updated annually?
# Does the Plan include a Stormwater Facility Inspection Program?
Has the Stormwater Pollution Prevention Plan been implemented?
Comment:
Qualitative Monitoring
Has the facility conducted its Qualitative Monitoring semi-annually?
Comment:
Analytical Monitoring
Has the facility conducted its Analytical monitoring?
# Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas?
Comment:
Permit and Outfalls
# Is a copy of the Permit and the Certificate of Coverage available at the site?
# Were all outfalls observed during the inspection?
# If the facility has representative outfall status, is it properly documented by the Division?
# Has the facility evaluated all illicit (non stormwater) discharges?
Comment:
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