310239_Application - Digester Gen Permit_20240510

- R�ESLET _
May 10, 2024
Christine Lawson
NCDEQ Division of Water Resources
1601 Mail Service Center
Raleigh, NC 27699-1601
Subject: Melvin Bostic Farm
Facility # AWS310239
State Digester General Permit
Dear Ms. Lawson,
AFO Permit Application
Roeslein & Associates, on behalf of the farm owner, hereby submits the following application to NCDEQ Division of Water
Resources for review of the State Digester General Permit application package for Melvin Bostic Farm. The subject project is
located in Duplin County, North Carolina.
The digester constructed on this property will meet setback parameters as required per the Swine Farm Siting Act with the
exception of the 1500 ft. residence setback. The farm owner has obtained a signed waiver from Janice Bland as the digester is
approximately 1400 ft. from her residence. The digester is beyond 2500 ft. from any public building, beyond 500 ft. from property
lines, and beyond 500 ft. from any public water source.
Subsurface drain tile in the area of the new digester will be relocated according to NRCS standard to a minimum distance of 15
feet beyond the embankment toe.
Digester influent and effluent will be sampled from wet wells on site per the Sampling Protocol and Schedule document in this
package. The digester water level will be monitored by a level gauge installed in the digester -lagoon transfer wet well.
The digester will generate approximately 27,000 SCF of gas per day. This biogas will be used within 6 months of beginning to
collect gas. The biogas system will not have an emergency flare. Spares for the gas upgrading systems will be kept on the shelf
so readily available as needed. The digester cover will be provided with emergency vents which are strategically located away
from barns/public but still provide access for operators. Safety procedures for venting covers are called out in the 0&M
document. Off -spec product gas from the upgrading skid is recycled to the digester for reprocessing. Biogas which contains
excessive amounts of nitrogen may need to be vented.
Per the Air Permit Applicability Request for Register 1 cluster of farms, submitted to NCDEQ Division of Air Quality, the annual
emission rates from the gas upgrading system associated with this farm are below the thresholds indicated in 15A NCAC
02Q.0102(d) and therefore does require an air permit.
To facilitate your review of the enclosed documentation, the following is an itemized breakdown:
1. One (1) original "State Digester General Permit Application" application form.
2. One (1) copy of the engineering calculations.
3. One (1) copy of a detailed narrative of the Swine Digester Animal Waste Management System.
4. One (1) copy of the FEMA FIRM map labeled with the "proposed Digester Site".
5. One (1) copy of the permit form Section 3.6 components.
6. One (1) full-size set of the engineering plans, as well as one (1) 11x17" set.
Please note that the Surface Water Classification (Section 7 of the application) has been submitted to the appropriate regional
DWR office (or will be in the near future), and we expect to forward that approval to you in the next few weeks.
Please do not hesitate to contact me or my office if you have any questions, comments or require any additional information.
Page 1 of 2

Thank you,
6
Christopher Fey
Manager, Building Design & Construction
Roeslein & Associates
Attachments
Cc: Farm Owner
Page 2 of 2

State of North Carolina
Department of Environmental Quality
Division of Water Resources
Animal Feeding Operations Permit Application Form
(THIS FORM MAYBE PHOTOCOPIED FOR USE AS AN ORIGINAL)
State Digester General Permit — Farm Digester System
1. GENERAL INFORMATION:
1.1 Facility name: Melvin Bostic Farm
1.2 Print Owner's name: Mel Bostic
1.3 Mailing address: 163 Bostic Farm Ln
City, State: Magnolia, NC Zip: 28453
Telephone (include area code): (910) 271 - 9101 Fax: (_) -
Email:
1.4 Physical address: 163 Bostic Farm Ln
City, State: Magnolia, NC Zip: 28453
Telephone number (include area code): ( ) -
Latitude 34.909' Longitude-77.927' (Decimal Degrees from Google Earth)
1.5 County where facility is located: Duplin
1.6 Facility location (directions from nearest major highway, using SR numbers for state roads): From Exit 373 on I-40, head
east on NC-24 E for 4 miles, turn right onto D S Williamson Rd and go 0.9 miles, turn right onto NC-50 S and go 2.8 miles,
turn right on Bostic Farm Ln and follow ,gravel road to farm.
1.7 Farm Manager's name (if different from Landowner):
1.8 Lessee's / Integrator's name (if applicable; circle which type is listed):
1.9 Facility's original start-up date: Date(s) of facility expansion(s) (if applicable):
1.10 Design Contact name: Mike Kotovsky Phone (314) 270 - 8836 Email: [e-mail]
2. OPERATION INFORMATION:
2.1 Facility number: AWS310239
2.2 Operation Description:
Please enter the Design Capacity of the system. The "No. of Animals" should be the maximum number for which the
current swine waste management system is permitted.
Tyne of Swine No. of Animals Type of Poultry No. of Animals Type of Cattle No. of Animals
❑ Wean to Feeder ❑ Layer ❑ Beef Brood Cow
® Feeder to Finish 4800 ❑ Non -Layer
❑ Farrow to Wean (# sow)
❑ Farrow to Feeder (# sow)
❑ Farrow to Finish (# sow)
❑ Wean to Finish (# sow)
❑ Gilts
❑ Boar/Stud
❑ Other Type of Livestock on the farm:
❑ Turkey
❑ Turkey Poults
❑ Beef Feeder
❑ Beef Stocker Calf
❑ Dairy Calf
❑ Dairy Heifer
❑ Dry Cow
❑ Milk Cow
No. of Animals:
FORM: AWO-STATE-G-DIGESTER-7/15/2022 Page 1 of 6

2.3 Acreage cleared and available for application (excluding all required buffers and areas not covered by the application
system): See attached Waste Utilization Plan
Required Acreage (as listed in the CAWMP): See attached Waste Utilization Plan
Existing Application Area (pre -construction): See attached Waste Utilization Plan
Proposed Application Area (post -construction): See attached Waste Utilization Plan)
Is there a change to the existing WUP? YES or NO (circle one)
Is the Existing WUP attached? YES or NO (circle one)
Is the New (if applicable) WUP attached? YES or NO (circle one)
2.4 List and Describe all Storage/Treatment Structures Below:
a. DIGESTER or other PRIMARY TREATMENT: (double click on "Select" for drop -down menu box)
Treatment
Existing?
Name of
Treatment
Type of
Liner
Surface
Type of Cover
Ttl Capacity
Req'd Capacity
Unit Type
(Y/N)
Unit
Material
Area
Material
(cu. Ft.)
(cu.ft.)
Digester
N
Lagoon
Synthetic
39900
Synthetic (80 mil)
315,956
240,000
27000
Select
Select
Select
Select
Select
Select
a.l Are engineering designs, drawings, specifications, and details attached? YES or NO (circle one)
b. SECONDARY TREATMENT/STORAGE: (double click on "Select" for drop -down menu box)
Name of Storage Unit
Existing?
(Y/N)
Type of Liner
Material
Surface Area
Ttl Capacity
cu. Ft.)
Req'd Capacity
(cu.ft.)
Lagoon 27500A
Y
Full clay
77,000 sqft.
586,160
576,789
Lagoon 27500B
Y
Full clay
67,600 sqft.
575,472
562,092
Select
Select
2.5 Are KNOWN subsurface drains present within 100' of any application fields? YES or NO (circle one)
2.6 Are KNOWN subsurface drains in the vicinity or under the waste management system? YES or NO (circle one)
2.7 Does this facility meet all applicable siting requirements? YES or NO (circle one)
2.8 Describe Water Movement between Barns, Digesters, and Storage Ponds (double click on "Select" for drop -down menu
box)
Location
Pump Station or
Gravity
Pipe Size
Minimum Pump
Ca acit
Plan Sheet
Reference
GPM
TDH
Barns to Digester
Pump Station
6"
690
40.5
270-00-27000-5
Digester to Secondary
Gravity
12"
270-00-27000-5
Secondary to Tertiary
Gravity
12"
270-00-27000-5
Select
Select
Select
Select
Select
FORM: AWO-STATE-G-DIGESTER-7/15/2022 Page 2 of 6

3. REQUIRED ITEMS CHECKLIST:
Please indicate that you have included the following required items by signing your initials in the space provided next to each
item.
Applicant's Initials
3.1 One completed and signed original of the application for Digester Animal Waste Management
System Application Form. CF
3.2 A general location map indicating the location of the animal waste facilities and field locations
where animal waste is land applied and a county road map with the location of the facility
indicated. CF
3.3 Documentation that new digester structure(s) meets the Swine Farm Siting Act, for swine
operations. CF
3.3.1 Site Map. The scale of this map shall not exceed 1 inch = 400 feet.
3.3.2 All proposed digesters to occupied residences > 1500 feet OR no closer than existing setback.
Existing setback = 1,500 feet
3.3.3 All proposed digesters to schools, hospitals, churches, outdoor recreational facilities, national parks, state
parks, historic properties, or childcare centers > 2500 feet OR no closer than existing setback.
Existing setback = 2,500 feet
3.3.4 All proposed digesters to property boundaries > 500 feet OR no closer than existing setback.
Existing setback = 106 feet
3.3.5 All proposed digesters to Public Water supply wells > 500 feet.
3.3.6 The map shall show the location of any property boundaries and perennial streams, or rivers located
within 75 feet of waste application areas.
3.4 One copy of all engineering documents, including, but not limited to, calculations, CF
equipment specifications, plan and profile drawings to scale, construction materials,
supporting equations or justifications.
3.5 A detailed narrative of the Farm Digester Animal Waste Management System. CF
3.6 A copy of the CAWMP which must include the following components. Some of these
components may not have been required at the time the facility was initially certified but must
be added to the CAWMP for permitting purposes: CF
3.6.1 The Waste Utilization Plan (WUP) must include the amount of Plant Available Nitrogen (PAN)
produced and utilized by the facility
3.6.2 The method by which waste is applied to the disposal fields (e.g., irrigation, injection, etc.)
3.6.3 A map of every field used for land application
3.6.4 The soil series present on every land application field
3.6.5 The crops grown on every land application field
3.6.6 The Realistic Yield Expectation (RYE) for every crop shown in the WUP
3.6.7 The PAN applied to every application field
3.6.8 The waste application windows for every crop utilized in the WUP
3.6.9 The required NRCS Standard Specifications
3.6.10 A site schematic
3.6.11 Emergency Action Plan
3.6.12 Insect Control Checklist with chosen best management practices noted
3.6.13 Odor Control Checklist with chosen best management practices noted
3.6.14 Mortality Control Checklist with the selected method noted
3.6.15 Lagoon/storage pond capacity documentation (design, calculations, etc.); please be sure to include any
site evaluations, wetland determinations, or hazard classifications that may be applicable to your
facility
3.6.16 Site Specific Operation and Maintenance Plan
If your CAWMP includes any components not shown on this list, please include the additional components with your
submittal. (Composting, waste transfers, etc.)
FORM: AWO-STATE-G-DIGESTER-7/15/2022 Page 3 of 6

4. ENGINEER'S CERTIFICATION:
1, Patrick L. Kullberg (P.E. representing Owner's name listed in question 1.2), attest that this application for William Bostic Jr.
jFacility name listed in question 1.1) has been reviewed by me and is accurate and complete to the best of my knowledge. I
understand that if all required parts of this application are not completed and that if all required supporting information and
attachments are not ' laded, this applic lion package will be returned to me as incomplete.
Signature � L • �W Date 4-26-2024
Engineer's Seal

5. FARM ffOWNER/PERMITTEE CERTIFICATION:
E �i�!# AAA M ROfs G �J 9 . (Owner/Permittee name listed in question l .2), attest
that this application for William. Bostic Jr. Facility name listed in question 1.1) has been reviewed by me and is accurate and complete
to the best of my knowledge. I understand that if all required parts of this application are not completed and that if all required
supporting information and attachments are not included, this application package will be returned as incomplete.
Signature �( /�' t Bate �3 ��1' `r
6. MANAGER'S CERTIFICATION: (complete oxily if different from the Farm Owner)
I, (Manager's name listed in question 1,7), attest that this
application for (Facility name listed in question 1.1) has
been reviewed by me and is accurate and complete to the best of my knowledge. 1 understand that if all required parts of this
application are not completed and that if all required supporting information and attachments are not included, this application
package will be returned as incomplete.
Signature
Date
THE COMPLETED APPLICATION PACKAGE, INCLUDING ALL SUPPORTING INFORMATION AND MATERIALS,
SHOULD BE SENT TO THE FOLLOWING ADDRESS, -
NORTH CAROLINA DIVISION OF WATER RESOURCES
WATER QUALITY PERMITTING SECTION
ANIMAL FEEDING OPERATIONS PROGRAM
1636 MAIL SERVICE CENTER
RALEIGH, NORTH CAROLINA 27699-I636
TELEPHONE NUMBER: [phone]
ELECTRONIC SUBMISSION IS ENCOURAGED_ EMAIL TO: RAMESH.RAVELLArre:NCDENR.GUV
FORM: AWO-STATE-G-DIGESTER-71I512022 Page 4 of 6

This form must be completed by the appropriate DWR regional office and included as a part of the
project submittal information.
INSTRUCTIONS TO NC PROFESSIONALS:
The classification of the downslope surface waters (the surface waters that any overflow from the facility would flow toward) in
which this animal waste management system will be operated must be determined by the appropriate DWR regional office.
Therefore, you are required, prior to submittal of the application package, to submit this form, with items 1 through 6
completed, to the appropriate Division of Water Resources Regional Operations Supervisor (see page 6 of 6). At a minimum,
you must include an 8.5" by I V copy of the portion of a 7.5-minute USGS Topographic Map which shows the location of this
animal waste application system and the downslope surface waters in which they will be located. Identify the closest
downslope surface waters on the attached map copy. Once the regional office has completed the classification,
reincorporate this completed page and the topographic map into the complete application form and submit the
application package.
7.1 Facility Name & Number: Melvin Bostic Farm AWS310239
7.2 Name & complete address of engineering firm: McClure 2001 W. Broadway, Columbia, MO 65203
Telephone: ( 573 1 814 - 1568 Fax: ( )
Email:
7.3 Name of closest downslope surface waters: Stocking Head Creek
7.4 County(ies) where the animal waste management system and surface waters are located Duplin
7.5 Map name and date: Kenansville, NC 2022
7.6 NC Professional's Seal (If appropriate), Signature, and Date:
TO: REGIONAL OPERATIONS SUPERVISOR
Please provide me with the classification of the watershed where this animal waste management facility will be or has been
constructed or field located, as identified on the attached map segment(s):
Name of surface waters:
Classification (as established by the Environmental Management Commission):
Proposed classification, if applicable:
Signature of regional office personnel:
(All attachments must be signed)
Date:
FORM: AWO-STATE-G-DIGESTER-7/15/2022 Page 5 of 6

(1) STOCKING HEAD CREEK
EXISTING LAGOON
(TYP.) PROPOSED NEW COVERED
DIGESTER FOR MELVIN
BOSTIC FARM
s
c
N70� �O
ON G
TRUE NORT
NAME OF STREAM
STREAM CLASS
STREAM INDEX
1
STOCKING HEAD
C;SW
18-74-24
LATITUDE: 34.90500000
LONGITUDE:-077.92888890
BASIN: CAPE FEAR
MAP NAME & NO: KENANSVILLE, NC 2022
WATERSHED CLASSIFICATION MAP
ON -FARM BIOGAS SYSTEM
MELVIN BOSTIC FARM
OWNER: MELVIN BOSTIC
DUPLIN COUNTY
NORTH CAROLINA
IZ
LOCATION
NOT TO SCALE
PROJECT: REGISTER
CLUSTER: 1
SCALE: 1 "=700'
DATE: 2024-04-26

DIVISION OF WATER RESOURCES REGIONAL OFFICES (4/2020)
Asheville Regional WQROS Supervisor Washington Regional WQROS Supervisor Raleigh Regional WQROS Supervisor
2090 U.S. Highway 70
943 Washington Square Mall
1628 Mail Service Center
Swannanoa, NC
28778
Washington, NC 27889
Raleigh, NC 27699-1628
[phone]
[phone]
[phone]
Fax [phone]
Fax [phone]
Fax [phone]
Avery
Macon
Beaufort Jones
Chatham Nash
Buncombe
Madison
Bertie Lenoir
Durham Northampton
Burke
McDowell
Camden Martin
Edgecombe Orange
Caldwell
Mitchell
Chowan Pamlico
Franklin Person
Cherokee
Polk
Craven Pasquotank
Granville Vance
Clay
Rutherford
Currituck Perquimans
Halifax Wake
Graham
Swain
Dare Pitt
Johnston Warren
Haywood
Transylvania
Gates Tyrell
Lee Wilson
Henderson
Yancey
Greene Washington
Jackson
Hertford Wayne
Hyde
Fayetteville Regional WQROS SupervisorMooresville Regional WQROS Supervisor Wilmington Region WQROS Supervisor
225 Green Street, Suite 714
610 East Center Avenue
127 Cardinal Drive Extension
Fayetteville, NC 28301-5094
Mooresville, NC 28115
Wilmington, NC 28405-3845
[phone]
[phone]
[phone]
Fax [phone]
Fax [phone]
Fax [phone]
Anson Moore
Alexander Lincoln
Brunswick New Hanover
Bladen Richmond
Cabarrus Mecklenburg
Carteret Onslow
Cumberland Robeson
Catawba Rowan
Columbus Pender
Harnett Sampson
Cleveland Stanly
Duplin
Hoke Scotland
Gaston Union
Montgomery
Iredell
Winston-Salem Regional WQROS Supervisor
450 Hanes Mill Road, Suite 300
Winston-Salem, NC 27105
Phone [phone]
Fax [phone]
Alamance
Rockingham
Alleghany
Randolph
Ashe
Stokes
Caswell
Surry
Davidson
Watauga
Davie
Wilkes
Forsyth
Yadkin
Guilford
FORM: AWO-STATE-G-DIGESTER-7/15/2022 Page 6 of 6

ROESLEIN-
Digester - Volume Calculations
Project: IPTIC, MELVIN
Project No: RA270
Date: 2024-05-10
Rev: 0
Existing Configuration (For Reference)
Farm Information: Farm Population:
BOSTIC, MELVIN `
4800 GF
Total:
4800
Storm and Rainfall:
Storm (25-yr, 24-hr):
7.5 in.
"Heavy Rain":
7.5 in.
Proposed Configuration (Proposed Digester)
Flow Path: Barns -> Digester (Proposed) -> Existing Lagoon
Location:
Design By:
Checked By:
*Note: Roeslein Digesters are designed regarding Hydraulic Retention Time, not Minimum Treatment Volume for hog farms
*Note: New digester lagoon is not providing additional evaporative treatment storage capacity, but instead serves as a steady-state reservoir,
diverting additional water volume to existing evaporative treatment lagoons
*Note: Existing Melvin Bostic lagoons designed by Jimmy Vinson 4-11-1997
Volumes:
Total Capacity
4800
Capacity cf/head J=Total
Treatment Volume=1 48001 Sol 240000 cf
Capacity I Retention Time (days) J=Total
Volume for Retention Time=1 48nnl cf
Volume Required (cf)
Volume Provided (cf)
Lagoon Calculations
Lagoon Volumes
Desired Digester Treatment Volume
240000
241140
Sludge Storage
2152
32436
Storm Storage
0
0
"Heavy Rain"
0
Total
262152
273576
Note: "Heavy Rain" and "Storm Storage" are shown as 0 cf for the digester because the HDPE cover prevents rain from entering the wastewater
system and therefore doesn't need to be accounted for in these volume calculations. The rain water that falls on the cover is pumped off the
cover with rain water pumps.
Total Temorary Storage
Proposed Configuration (Proposed Digester)
Vol. (cf)
High Pump Elev. 249951
Low Pump Elev. 232479
Temorary Storage 17472
Digester (Proposed) Volume
Digester (Proposed) Berm Length (FT): 2�13
Digester (Proposed) Berm Width (FT): 1
Digester (Proposed) Berm Slope:
Digester(Proposed)Stage-Storage
Elevation (ft)
Area (sf)
Incr. Vol. (cf)
Cumul. Vol. (cf)
81.9
14484
-
0
82.9
16206
15339
15339
83.9
18000
17097
32436
84.9
19866
18927
51363
85.9
21804
20829
72192
86.9
23814
22803
94995
87.9
25896
24849
119844
88.9
28050
26967
146811
89.9
30276
29157
175968
90.9
32574
31419
207387
91.9
34944
33753
241140
92.9
37386
36159
277299
399001
386371
315936
Digester Treatment Volume:
at High Pump Elevation of:
at Operating Elevation of:
at Low Pump Elevation of:
Elevation (ft)
Cumul. Vol. (cf)
92.15
249951
91.9
241140
91.65
232479
Elevation Vol.
Top of Dike Elev. =
93.9
315936
Top of Storm Elev. =
92.84
274889
High Pump Elev. =
92.15
249951
Operating Elev. =
91.9
241140
Low Pump Elev. =
91.65
232479
Planned Sludge Elev. = 83.9 32436
Finished Bottom Elev. = 81.9 0
Historic Rainfall Event
Lagoon
Req'd Capacity*
Lagoon 27500A
5
Lagoon 275006
56209
Total
1138881
Lagoon Rainfall Volume (cuft)
Lagoon 27000 24937.5
Lagoon
Total Capacity*
Lagoon 27000
277299
Lagoon 27500A
60
Lagoon 27,00.
72
Total
1438931
Volume (cuft)
Required
1138881
Rainfall
24937.5
Total Capacity
1438931
Remaining
275112.5
Usage
81%
*Existing lagoon capacities gathered from previous farm permit documentation - designed and signed by Jimmy Vinson 4-11-1997
*Req'd Capacity from previous farm permit docs already includes volume from historic rainfall events
*Note: A 25-year storm creates 24937.5 cuft of water. Added to the High Pump Elevation, this raises the water elevation to 92.84 ft.
This provides 12.78 in. of freeboard, meeting the standard 12 in. required per the NRCS Anaerobic Digester standard.

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27000 - BOSTIC JR. WILLIAM M Puma Calc
Monarch Bioenergy LLC — Register, NC
Swine RNG Project
A1000 Pump Calc
R&A Project RA270-23
Issued 240405
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27000—BOSTIC, MELVIN Digester Narrative
Monarch Bioenergy LLC — Register, NC
Swine RNG Project
A1000 Digester Narrative
R&A Project RA270-23
Issued 240425
Farm will utilize existing barns with slotted floors over flushing pits to collect manure. The farm
operators use pull plug system and recycle water for flushing to manage the animal manure. As part of
this current project, a new anaerobic lagoon digester will be installed, and the animal manure will be
redirected to the new digester. After treatment in the in anaerobic digester, the effluent will flow into
the existing lagoon. There is no change to the existing farm operations, nor the volume of wastes
generated. The effluent water will be recycled back to the barn for pit recharge or irrigated in
accordance with the existing Waste Utilization Plan (WUP).
Upon flushing, the wastewater from the barns will be directed into a properly designed lift station
through a 12-inch diameter gravity pipe header. There will be two pumps in the lift station wet well and
each pump is designed for 100% of the design flow.
The lift station pump will be 20 HP GEA pump, designed for a flow of 689 gallons/minute, through 6-inch
diameter, HDPE SDR 17 force -main into the new anaerobic lagoon digester.
The approximate dimensions of the new anaerobic lagoon digester are 285 feet by 140 feet with a total
volume of 315,936 cubic feet and a treatment capacity of 241,140 cubic feet at operating level.
Before the excavation, the project area is stripped approximately 6 inches of topsoil and will be
stockpiled. Embankment material will be free of sod, roots, and other objectionable material. The
maximum thickness of each compacted layer will be 6-inches and compacted to 95% of Standard Proctor
at -1 to +3 percent of optimum moisture content per ASTM D698. Each lift shall be tested for moisture
and density. The stockpiled topsoil will be spread on the outside bank.
After the construction the lagoon, and all required pipe penetrations, the inside walls of the lagoon will
be smooth rolled prior to the installation of the baseliner. The baseliner will be 80-mil think HDPE
synthetic liner. After the liner is installed, it will be tested for leaks prior to filling the lagoon with
wastewater.
There will be an outlet structure with a weir (level control) that keeps the water level inside the digester
at a constant level. The effluent will gravity flow through a 12-inch diameter digester outlet pipe to the
level control wet well and gravity feed into the existing lagoon through a 12-inch diameter pipe.
Once the lagoon is within in 2 feet of the normal operating level, a floating cover will be installed to
capture the biogas produced by the anaerobic digestion of the organic wastes in the wastewater. The
captured biogas will be treated to produce renewable natural gas (RNG.

STATE
OF NORTH CAROLINA FIRM PANEL LOCATOR DIAGRAM
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DATUM INFORMATION
The projection used in the preparation of this -nap was the North Carolina
State Plane (FIPSZONE 3200). The horizontal datum was the North American
Datum of 1983, GRS80 ellipsoid. Differences in datum, ellipsoid, projection, or
Vniversal Transverse Mercator zones used ,n the production of FIRMs for adjacent
jurisdictions may result in slight positional differences in map features across
jurisdictional boundaries. Thoso differences do not affect the accuracy of this
FIRM. All coordinates on this map are in U.S. Survey Feet, where
1 V.S. Survey Foot = 1200/3937 Meters.
Flood elevations on this map arc referonced to the North American Vertical
Datum of 1988 (NAVD 881, These flood elevations must be compared to structure
and ground elevations referenced to the same vertical datum. An average
offset, between NAVD 88 and the National Geodetic Vertical Datum of 1929
(NGVD 29) has been computed for each North Carolina county. This offset was
then applied to the NGVD 29 flood elevations that were not revised during the
creation of this statewide format FIRM. The offsets for each county shown on
this FIRM panel are shown in the vertical datum offset table below. Where a
county boundary and a flooding source with unrevised NGVD 29 flood elevations
are coincident, an individual offset has been calculated and applied during the
creation of this statewide format FIRM. See Section 6.1 of the accompanying
Flood insurance Study report to obtain further information on the conversion
of elevations between NAVD 88 and NGVD 29. To obtain current elevation,
description, and/or location information for bench marks shown on this map.
please contact the North Carolina Geodetic Survey at the address shown below.
You may also contact the Information Services Branch of the National Geodetic
Survey at [phone], or visit its website at www.nas.noan.ace .
North Carolina Geodetic Survey County Average Vertical Datum Offset Table
121 West Jones Street County Vanical Datum offset Ift)
Raleigh, NC 27601 Duplin - 0.s4
[phone]
lvww. ncas. state.nc.us
i Exampsc: NAvO 88 - NGv13 29 1 ".94) 1
All streams listed in the Flood Hazard Data Table below were studied by
detailed methods using field survey. Other flood hazard data shown on this
map may have been derived using either a coastal analysis or limited detailed
riverine, analysis. More information on the flooding sources studied by these
analyses is contained in the Flood Insurance Study report.
w4Wtn ARF
Alm I
y G
0
..... �'� FEM i s (;WPLPAI Po EGHr+[:.a_ �KRT LR �'�. *yam•
►' aw •'r �NFI ,Fret
This digital Flood Insurance Rate Map (FIRM) was produced through a wriique
cooperative partnership between the Stale of North Carolina and the Federal
Emergency Management Agency (FEMA). 'The State of North Carolina has
implemented a long term approach of floodplain management to decrease
i with flooding. Thi • i n m--
the costs associated ths s demonstrated by the States cv
mitment to map floodplain areas at the local level_ As a part of this effort, the
State of NorthhC Carolina has fainod in a Cooperating Technical State
t3 agreement
with FEMA to produce and maintain this digital F'RM.
www.ncfloodmaps.com
2 320 000 FEET
440 000 FEET
34.57.00"
ZONE x
5 I _
aPAN
i f
FKiIRAVY
38M DW M
34.55, 00-
425 000 FEET `
77.55'oo-
234 Ox M
JOINS PANEL 3424
77.54' 00-
iti ': `^4' 4 �+i rid ' •-
�F101ems'
PROPOSED too
t DIGESTER SITE
ZONE AE ,
3M OCR(M
34.54'00" - -
420 000 FEET
2 32D 000 FEET 2 325 000 FEET 234 oao M
238 00o M
77.53'00•• IQNiF ][ rr•5�•00•
2 335 000 FEET 238 00o k 2 340 000 FEET
_ 440 000 FEET
34.57• o0`
Lv,r11. A
tea" ZONE, X
•�� • i4� -tom � .f �7
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I
W435 000 FEET
IKL 300 goo M
34,S6,00•
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34*54' 00"
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236 at' '' 1 238 goo w
77.55. 00• TT454• 00-
77.53.0011
77.52' 00"
JOINS PANEL 3420
2 U° OW FEET
NOTES TO
USERS
This map is for use in administering the National Flood Insurance Program. it does not
Certain areas not in Special Flood Hazard Areas may be protected by flood control
This map reflects more detailed and up-to-date stream channel configurations than
MAP REPOSITORY
necessarity identify all areas subject to flooding, particularly from local drainage sources
structures. Refer to Section 4.4 "Flood Protection Measures" of the Flood Insurance
those shown on the previous FIRM for this jurisdiction. The floodplains and floodways
Rater to listhg of Mac Repositories on Map Index orvish www.nclioodrnaps.ccm.
of small size. The community map repository should be consulted for possible
Study report for information on flood control structures in this jurisdiction.
that were transferred from the previous FIRM may have been adjusted to conform to
updated or additional flood hazard information.
these new stream channel configurations. As a result. the Flood Profiles and Floodway
To obtain more detailed inforrnation in areas where Base Flood Elevations (BFEsl
Base nap information and geospetial data used to develop this FIRM were obtained from
Data tables in the Flood Insurance Study report (which contains authoritative hydraulic
EFFECTIVE DATE OF FLOOD INSURANCE RATE MAP PANEL.
and/or floodways have been determined• users are encouraged to consult the Flood
various organizations, including the participating local community(ies), state and federal
data) may reflect stream channel distances that differ from what is shown on this map.
FEBRUARY 16, 2006
Profiles. Floodway Data, Limited Detailed Flood Hazard Data, and/or Summary of Stillwater
agencies• and/or other sources. The primary basis for this FIRM is aerial imagery acquired by
FlovDupl,n
tables contained within the Flood inSurgncC Study (FIS( report that accompaniesrounded
County. The time period of collection for the imagery ,s 1999. information and
Please refer to the separately printed map index for an overview map of the county
EFFECTIVE DATE(51 # REVISION(S)TO ViSr0Ni5) 70 7Hr5 PANEL
geospatial data supplied by the local community(ies) that met FFMA base map specificaforis
showing the layout of me p panels• community map repository addresses, said a Listing of
this FIRM,
this FIRM. Users should be aware that BF -Es shown on the 1=IRM represent rounded
were cons`dcted the preferred source for dcvclopmont of the base map. Soo goospatial
Communities table containing National Flood Insurance Program dates for each community
whole foot elevations. These BFEs are intended for flood insurance rating purposes
metadata for the a"ociated digital FIRM for additional information about base map
as well as a listing of tfae panels on which each community is located.
only and should not be used as the sole source of flood elevation information. Accordingly,
Reparation.
flood elevation data presented in the FIS report should be utilized in conjunction with
It you have questions about this nap. or questions conc0rning the National FTOod
the FIRM for purposes of construction and/or floodplain management.
BaSe map features shown on this map, such as corporate limits. are based on the
Insurance Program in general. please call1-877-FERA bLAP+i1- 877-33Fr2627)or visit the
Boundaries of regulatory floodways shown on the FIRM for flooding sources studied
mast up-to-date data available at the time of publication. Changes in the corporate
FEMA website at www.fema.00v.
For community map revision history prior to statewide mapping, refer to the Community Map
by detailed methods were computed at cross sections and interpolated between cross
limits may have occurred sine* this map published. Map users should
History Tsiialc located in the Flood (nsuranrc Study report for this jurisdiction.
sections The floodways were based on hydraulic co s•de auregard nsvri[hto
consuIt the appropriate oft'ess! or websito to verily current ofAn
accompann9 Flood insurance Study re Letter of Map { LOMR) or Letter
of the National Flood Insurance Program. Floodway widths and other pertinent flood"
jurisdictional boundaries and base map features. This map may contain roads that were
of Map Amendment (LOMA) revising portions of this panel, and digital versions of this
To determine if flood insurance is available in this community, contact your insurance agent the
data for flooding sources studied by detailed methods as well as non -encroachment widths
not considered in the hydraulic analysis of streams where no new hydraulic model was
FIRM may be available. Visit the North Carolina Floodplain (tapping Program website
North Carolina Division of Emergency ,Management or the National Flood insurance Program at the
for flooding sources studied by limited detailed methods are provided ir- the I -IS report
created during the production of this statewide format FIRM.
at www.ncfloodma s.com, or contact the FERA (tap Bervice Center at 1-800-35&-9616
following phone numbers or websites:
far this jurisdiction. The FIS report also provides instructions for determining a Foodway
for information on all related products associated with this FIRM. The FEMA Map Service
NC Mvisicm of Emcrrgcrncy Manag"nent National Flood Insurance ProW am
using non -encroachment widths for flooding sources studied by limited detailed methods.
Center may also be reached by Fax at 1 8(O 35S 9620 and its website at www.msc.feme.gov.
(919) 715--t" www.ncx:rimttxantral.org/nftp 1-8W--638--6620 www.ferrra.Rcn0hfiip
SPECIAL FLOOD t-(AZARD AREAS (SFI'tAs) SUBJECT TO
INUNDATION BY THE 1 % ANNUAI. CHANCE FI.00I.7
The 1 % annual chance flood (lo -year hood), also known as the taaw food, is the flood
that has a 1 % chance of being equaled or exceeded in any given year. The Special
d H:ra Ftooard Area is the area subject to flooding by the 1% annual chance flood. Areas
of Special Flood Hazard! include Zones A, AE, AH, AO, AR, A99, V, and VE. The Base
Mx -id Elevation ix the water surfac]c clavrticrn of thcr 1°/a annual ctranrr ficxxi.
ZONE A No Base M- ad Elevations determined.
zaNt: AF Baer Flaxxf F.Icwations rlc�rrminrxl.
ZONE: AH Flood depths of 1 to 3 fact (usually areas of pending); Base Flood
Elevations determined.
ZONE AO Flood depths of 1 to 3 feet (usually sheet flow on sloping terrain);
average depths determined. For areas of alluvial fan flooding, velocities
:atus dotermirwxf.
ZONE Alt Sppeedial Flood Hazard Area formerly protected from the 1% annual
eha ce flood by a flood control system that was subsequently
dcoertified. lone AR indicates that the former flood control system is
being restored to provide protection from the 1 % annual chance or
greater Flrxxl.
ZONE A" Are.', to be protected from I % annual cf+ance flood by a Federal
flood prote0on system under construction; no Base flood Elevations
determined.
ZONE VE Coastal Hood zone ►with vdmity hazard (wave action); Base Ficxxl Ek rations
determined.
® FI.0013WAY AREAS IN ZONE AF
The floodway is the- cNannel of a Stre-arn plus arty adl'amnt floodplain areas that must be
kejX free of encroachment so that the 1% annual chance flood can he carried without
substantial increases in flood heights.
OTHER FLOOD AREAS
ZONE X Areas ref 0.2% annual chance flcxA; arras of 1 % annual chance flcxxf
with average deptfts of less than 1 foot or with drainage areas less than
1 square mile; and areas protected by levees from 1 % annual chance
flood.
01 HER AREAS
ZONE X Areas delLwnined to be outskle the 0.2% annual rhancc (6odptain.
ZONE D Areas in which flood hazards are undetermined, but possible.
® COASTAL HARRIER RESOURCES SYSTEM (CBRS) AREAS
OTHERWISE PRO'( ECFED ARM( (OPAs)
CARS areas and OPAs are normally located within or adjacent to Special Flood Hamrd Areas.
1% annual thdri a flcxxfplain txxnxlary
0.2% annual charem floodptain boundary
Floodway boundary
"Lone ❑ Boundary
-------------------- CBRS and OPA bcxxrdary
W Boundary dividing Special I'tood Hazard Area Zones and
offi- _ - - - - - - - 4 boundary dividing Special Flood Hazard Arras of different
- Base Flood Elevations, flood depths or flood velocities.
—=�513----- Base Hood Elevation line and value; elevation in feet*
(EL 987) l;•'w' FIe:wA Ekwation value where uniform within zone;
elevation in feet'
-Referenced to the North American Vertical Datum of 1988
mx Cron section lime
23 - - - - - - 23 Transact line
97.47' 30', 32•E2 30• Geographic coordinates referenced to the North American
Datum of 1983 (NAD 83)
4278w*M 20OG-mete+ Univwsal 'Iransverse Mercator grid ticks, zone I
5000-Ieot grid values: North Camtina State Plane mordirsate
1477 50D FEET system (nFeSZONE 3200, Statle Planc NAD 83 fcxtl
BM5510 North Carolina Ceodedc Survey bench mark (.sec explanation
X in the Datum Information section of this FIRM panel),
BM5610 National Geodetic Survey bench mark (see explanation in
0 the Wtum information section of this FIRM panel).
• M1.5 Ri%*c Mile
Z&
GRID NORTH
MAP SCALE 1" - 1000' (1 : 12,000)
sae o 1000 2000
= — _1 FEET
METERS
goo 0 Soo 600
PANEL 3422)
FIRM
FLOOD INSURANCE RATE MAP
NORTH CAROLINA
PANEL 3422
(SLL LOCAT Oil DAGRAM OR MAP INDF_X FOR FIRM
PANEL LAYOUT)
CONTAINS:
COMMUWTY CD No. PANEL SUFFIX
:)UP04 COUNTY 370083 3422 J
noose to User The +trap Muabur shown Wow s�-ovd ba ,yid
wh n piweq map orders: Mo Cenwaity Number sheyAr
Above mould be used M ,nsitan_c apgrk_atbns fcr the .unxi:t
cor*murlq.
EFFECTIVE DATE MAP NUMBER
FEBRUARY 16, 2006 3720342200J
r,
r
J• 'cf
r
I � � r
ya .C4 4 •� ti
State of North Carolina
Federal Emergency Management Agency

ROESLEIN.
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Anaerobic Digester System O&M
Table of Contents
Register, NC RA270-22
Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
Definitions.............................................................................................................................................
Introduction...........................................................................................................................................
Description of the Operational Components.........................................................................................
GravityCollection Pipe.....................................................................................................................
Lift Pump Station (where necessary)................................................................................................
AnaerobicDigester...........................................................................................................................
MixingPump....................................................................................................................................
SecondaryLagoon............................................................................................................................
TransferPump...................................................................................................................................
RainwaterCover Pump.....................................................................................................................
OxygenInjection System..................................................................................................................
Description of Anticipated Maintenance...............................................................................................
Routine System Maintenance Instructions........................................................................................
Troubleshooting................................................................................................................................
Emergency Protocols, Repair, and Replacement..............................................................................
Safety....................................................................................................................................................
BiogasHazards.................................................................................................................................
EquipmentSupplies..........................................................................................................................
Proper Protective Equipment (PPE)..................................................................................................
Provisions for Safety Measures.........................................................................................................
Restrictionof Access.....................................................................................................................
EmergencyContacts.....................................................................................................................
Equipment Safety Guards, Warning Labels, & Alarms.................................................................
Clearances.....................................................................................................................................
Open Flames & Combustion Sources...........................................................................................
Spill Prevention & Control Provisions..................................................................................................
Response to Upsets and Bypasses Including Control Containment and Remediation ......................
Contact Information for Emergency Responders and Regulatory Agencies .....................................
FacilityControl Valves......................................................................................................................
Warranty............................................................................................................................................... .
Appendix A: Inflation Rating Guide.....................................................................................................
Appendix B: Digester Operation SOP..................................................................................................
.2
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Page 1 of 17

s1
ROESLEIN
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Register, NC RA270-22
Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
Definitions
Anerobic Digestion — The process of decomposing organic waste material through the use of bacteria in the
absence of oxygen to produce Biogas and Digestate.
Anerobic Digester- A sealed basin or tank designed contain the waste and capture the Biogas during
anerobic digestion.
Biogas- A product of Anerobic Digestion, produced by fermentation of organic materials. It typically has a
composition of mainly methane and carbon dioxide, with traces of nitrogen, oxygen, hydrogen sulfide, and
water.
Digestate — liquid/solid digester effluent.
Introduction
The Project uses anerobic digestion of swine waste to produce biogas. The biogas is captured, upgraded to
RNG, and combined with other swine site RNG before being ultimately injected into a utility's natural gas
pipeline.
The Project includes manure influent piping from the swine barns, an anerobic digester, biogas take -off
pipe going to the Micro Gas Cleaning System (µGCS), and digestate transfer system to open storage lagoon.
The barn waste stream contains two types of solids: organic and inorganic. A portion of the organic solids
are broken down (digested) to produce biogas. The digestion of organic solids occurs as a result of several
"types" of microbes, which exist in a symbiotic relationship. The naturally occurring microbes are one of
nature's ways of breaking down organic material. The digester provides an ideal environment for the
microbes to thrive. The inorganic solids either settle at the bottom of the digester or exit in the digestate
stream as a dissolved solids or suspended solids.
In addition to the information provided in the document, the operator should familiarize themselves with
the local, state, and federal laws that may apply to operation of this site.
Description of the Operational Components
Below are listed the major component operations.
Gravity Collection Pipe
The gravity collection pipe receives waste from the hog barns and directs that waste to either an
influent lift station or directly to the earthen lagoon digester. Typically, the diameter of the pipe is
8" (min) to 12 inches (max).
The gravity collection pipe includes several clean -outs that provide access to the gravity collection
pipe for removal of a clogs or blockage via use of a sewer snake or similar apparatus as needed.
Typically, there will be at least one cleanout every 200 feet. During normal operation, the pipe
should be free flowing, without obstructions, to transport waste to the lift pump station or directly
to the anaerobic digester.
Page 2 of 17

s1
ROESLEIN
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Register, NC RA270-22
Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
The barn operator is responsible for sending barn waste to the gravity collection pipe. The
digester/biogas operator should check weekly, each hog barn waste outlet to ensure that there are
no overflows, clogs, etc.
Lift Pump Station (where necessary)
The lift pump station receives wastewater from the gravity collection pipe and pumps that
wastewater to the anaerobic digester via buried forced main. The waste enters the digester at the
opposite end of the digester outlet. During normal operation, the pump station will automatically
cycle on and off based on the liquid level in the wet well, which is triggered by float switches.
The pipe from each of the two pumps goes through a check valve (which only allows the liquid to
travel in one direction) and a plug valve (normally open, but can be closed when needed, such as
when servicing the upstream pump). The two pipes join via a tee, and the downstream pipe leads
to the inlet of the digester.
During normal operation, the pumps may run several times an hour to pump waste to the anaerobic
digester. Only one pump will run at any given time, normally, where the pumps will alternate
between cycles (Pump 1 will run while Pump 2 is off, and in the next cycle Pump 2 will run while
Pump 1 is off, and so on). It is not uncommon, for both pumps to operate during higher inlet flows.
The pumps can also be controlled manually, if desired, or in times of troubleshooting, etc. The
control panel next to the pump station includes toggle switches for each pump, which can be set to
either (1) Auto (for normal float -based operation), (2) Off, or (3) "Hand" (i.e., manual operation).
In the event of a pipe clog or lift pump failure, the waste will flow through the gravity "digester
bypass" pipe connecting the interior of the pump station to the existing lagoon at an elevation below
the top of the wet well, which will avoid overflow of the pump station.
Note: Some farms do not have Influent Pump Stations; rather than using a Lift Pump Station, the
waste flows from the barns directly to the anaerobic digesters.
Anaerobic Di eg ster
The anaerobic lagoon is constructed outside of the 100-year flood plain and any wetlands. The
treatment volume is designed utilizing a minimum volume of 50 cubic feet/head and with a
minimum HRT of 40 days. The construction approach will be a cut and fill balance. The excavated
material will be utilized to build the embankments. The berm fill material for the lagoon will be
placed in 6-inch-thick lifts to a minimum of 95% of standard proctor at -1% to +3% of optimum
moisture. Each lift fill be tested for moisture and density. The excavated material used for the
lagoon berm construction will be free of sod, roots, and other objectionable materials. The
minimum top width of the lagoon digester will be 15 feet with a minimum inside and outside slope
of 3:1.
After the construction of the embankment and after the installation of all pipes penetrating the
berms, the inside of the lagoon will be smooth rolled and a 60-mil thick HDPE liner will be installed
as the baseliner. Edges of the baseliner will be secured in an anchor trench at the top of the berm.
Page 3 of 17

s1
ROESLEIN
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Register, NC RA270-22
Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
The anaerobic digester receives all raw waste from the hog barns. The complex organic wastes are
broken down to simpler compounds by the anaerobic digestion process. As a part of the anaerobic
process, biogases (including methane, carbon dioxide, and hydrogen sulfide) are produced. These
gases are captured under an impermeable cover (80-mil thick HDPE liner) and then directed to the
biogas cleaning system. biogas blower or biogas dehydration system.
Biogas captured and stored under the cover supplies the biogas draw off piping. All berm
penetrations (gravity sewer, forced main, effluent to wet well, sludge removal piping must always
remain submerged to create a liquid seal to prevent biogas from escaping. Perforated piping
underneath the cover connects all sections of the lagoon to the draw off connection. The liquid
waste is digested for a minimum of 40 days.
The digester liquid effluent is either pumped or gravity fed to an existing storage lagoon. The
lagoon digester cover should be supported by the lagoon liquid when not inflated. Dropping the
lagoon liquid level too low may lead to an unsupported cover and possible cover stretching and
cover damage. Recommended operation level is 3-4 ft below top of berm to ensure adequate
digester biomethane production and ensure that the level does not exceed 2 ft below top of berm at
any time during operational deviances. The digester liquid level should be monitored daily.
Any settleable solids and microbes (i.e. "Sludge") build up slowly over months/years at the bottom
of the digester. These solids can be periodically removed by connecting portable pipes and pumps
to the sludge removal pipes in the digester and disposed of through permitted means on the farm or
by a contract sludge hauler.
There will be a total of eight 6-inch diameter sludge removal pipes installed near the bottom
elevation the lagoon and terminated near the top of the berm. Four installed on each side of the
central ballast pipe, staggered every other lateral. These pipes will be utilized for the periodic
removal from the lagoon.
Ballast piping on top of the cover control the cover inflation and direct rainwater to center rainwater
trenches to be pumped to natural water shed (if uncontaminated). The cover should be free of
excessive accumulation of rainwater and should not show signs of any damage or leaks.
The effluent of the anaerobic digester flows from the anaerobic digester through an outlet structure
and flows by gravity into the secondary lagoon. The outlet structure is equipped with a level gauge
with 1-foot markings. The outlet structure has an overflow weir to keep a constant freeboard of 2'
inside the lagoon digester. The effluent overflowing the weir will be directed to the secondary
lagoon by gravity.
During normal operation, the digester cover will inflate like a balloon from the biogas trapped
beneath, an inflation guide can be found in Appendix A. Proper inflation of the digesters is critical
to the reliable operation of the plant. A low level of inflation ensures that ingress of air doesn't
occur into the biogas which would contaminate the gas with nitrogen and oxygen. 100% full
inflation ensures that the covers are in an optimal state for 24-hour net heat gain by the digester and
prepared for normal atmospheric wind conditions. The pressure under the cover will typically range
from 0-0.3" w.c., a pressure of 0.4" w.c. can be dangerous.
Page 4 of 17

y� Register, NC RA270-22
RO E S L E I N Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Typical digester operation can be found in Appendix B.
Mixing Pump
A dry well will house a mixing pump which draws the water from the lagoon near the bottom
elevation and discharges the water near the influent side of the digester. This pump will be operated
on a regular interval. This pump is typically operated for approximately 4 hours a day, five days a
week.
Secondary Lagoon
The effluent of the anaerobic digester flows from the anaerobic digester outlet pipe to the secondary
lagoon. The secondary lagoon is used to store the treated effluent after anaerobic digestion until it
can be land applied.
There is an ammonia reduction unit installed on these secondary lagoons.
The farm operator is responsible for the operation and maintenance of the secondary lagoons.
Digestate liquid stored in the secondary lagoon is used for pit pre -charge and flush tank recharge.
The secondary lagoon is a critical part of the integrated system, the Digester/Biogas Operator
should note any abnormal operation of the storage basin, such as leaks or excessive liquid level,
and communicate such observations to the farm owner.
During normal operation, the storage basin will most often appear to be inactive. Waste will
periodically flow from the anaerobic digester outlet pipe into the storage basin via gravity or pump.
The outlet pipe from the anaerobic digester into the storage lagoon must remain submerged in the
digester to provide a liquid seal and prevent biogas from escaping from beneath the digester cover.
As such, it is not uncommon for the pipe to turn down and follow the direction of the inner slope
of the lagoon to ensure submergence during times when the lagoon liquid level may be low due to
normal pumping and irrigation activities.
Transfer Pump
The transfer pump transfers accumulated effluent among available secondary lagoons as the farm
owner desires to optimize effluent storage. The transfer pumps are manually operated through the
local disconnect. Under normal circumstances, the transfer pump will only be used periodically by
the farm owner. Typically, the transfer pump is used to draw down the digester liquid level in the
fall to make room in the digester to store lagoon liquid during the colder winter months.
Rainwater Cover Pump
Two rainwater cover pumps are installed on end of the digester to remove accumulated rainwater
from the digester cover. There will be a 3-inch suction line to each of these stormwater removal
pumps. Erosion control measures, such as rip rap will be placed at the discharge point.
Oxygen Injection System
An oxygen injection system will be installed to limit the amount of hydrogen sulfide in the biogas.
The oxygen injection system consists of an oxygen generation unit which produces 95% purity
oxygen from air, and it will be injected under the cover at two locations. Calibrated Oxygen
Page 5 of 17

s1
ROESLEIN
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Register, NC RA270-22
Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
monitoring instrument continuously monitors the concentration of oxygen in the head space under
the cover. The maximum allowable oxygen concentration in the biogas will be 0.5%.
Description of Anticipated Maintenance
The system is designed to require as little maintenance as possible once it has been started up and is in
operation. Sample tests should be performed periodically and to permitting requirements, to allow
evaluation of the composition of the wastewater. System components should be visually inspected regularly
and as recommended by the equipment manufacturer. If the system is well operated, it will display the
following signs of being maintained properly:
• All pipes should be intact and watertight.
• The pumps should operate with little to no vibration and without excessive noise.
• The anaerobic digester should be free of excessive accumulation of rainwater on the cover. The
accumulated rainwater will be pumped off the cover via the Rainwater Pumps. The rainwater must
be tested to determine the discharge location for the pumps. If contaminated the rainwater must be
discharged back into the digester, otherwise it may be discharged safely on nearby vegetated areas.
• The anaerobic digester cover should be free of any tears, punctures, or failures.
• There should be no strong odors coming from the digester.
• The secondary lagoon should be clean and free of floating debris. The liquid should be clean an
clear.
Routine System Maintenance Instructions
For optimum operation and maximum efficiency maintenance should be performed daily.
mechanical equipment should be cleaned weekly and lubricated as required. Equipment cleaning
and lubrication should be done as specified in the O&M manuals provided by each equipment's
manufacturer.
Periodically, the sludge accumulated at the bottom of the digester will need to be removed, this will
be done by following the existing Waste Utilization Plan (WUP). The sludge may be removed
through the use of the sludge removal pipes utilizing a temporary pump. All application of the
removed sludge should be done in accordance with the farms approved WUP & Nutrient
Management Plan.
Typically, a portion of sludge will be removed from the digester every other year. Sludge
accumulation can be monitored by the site's operator through the use of inspections ports installed
on the top of the digester cover and should be assessed annually. When assessing the sludge
accumulation, the operator should aim to have as much biogas removed as possible prior to opening
the inspection port to limit release of biogas into the atmosphere. Due to biogas production
declining in cold weather, it is recommended to take sludge measurements during winter. To get a
measurement of the sludge depth, the site operator will use the inspection ports and insert a pipe or
gauge with graduated markings will be used to assess the depth of the sludge in the digester. When
inserting the pipe or gauge caution should be used to avoid applying excessive pressure or even
puncturing the liner of the digester. After sludge removal has been concluded, the operator should
reconnect all fittings from the sludge removal pipes and piping as it was prior to the sludge removal.
Page 6 of 17

y� Register, NC RA270-22
RO E S L E I N Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Safe
Troubleshooting
Refer to equipment O&M manuals as necessary, summarized below:
Emergency Protocols, Repair, and Replacement
The O&M Manuals provided by the equipment manufacturers should be kept onsite in a centralized
location, known to all who work around the equipment. The O&M manuals should provide
instructions for possible field repairs or how to secure a piece of equipment until qualified repair
personnel are able to arrive.
Biogas Hazards
Biogas and oxygen in air can potentially form a flammable mixture.
Methane (CH4) is an odorless, flammable gas. CH4 is lighter than air and tends to rise and dissipate
quickly outdoors.
In addition to being primarily comprised of methane (55 — 60%), biogas is also comprised of carbon
dioxide (35 — 40%), and trace amounts of hydrogen sulfide (H2S), nitrogen (< 2%), oxygen (< 1%),
and water vapor (<8%) which are hazardous.
Hydrogen Sulfide (H2S) has a distinct "rotten egg" odor at low concentrations. However, at higher
concentrations, it overwhelms the sense of smell and cannot be detected. At concentrations > 1000
ppm, it can cause immediate unconsciousness and death through respiratory paralysis. Hydrogen
Sulfide compositions in the biogas feed supply can be at 1500 to 2500 ppm/vol.
Carbon Dioxide (CO2) is a colorless, odorless, tasteless, non -irritating, non -toxic gas. However,
it can act as a simple asphyxiant by displacing oxygen present in air to levels below that required
to support life. In environments with low concentrations of oxygen, confusion and reduced mental
capacities can lead to poor judgement and increase the risk of safety events.
Nitrogen (N2) gas is a colorless, odorless, tasteless, non -irritating, non -toxic, inert gas. However,
it can act as a simple asphyxiant by displacing oxygen present in air to levels below that required
to support life. In environments with low concentrations of oxygen, confusion and reduced mental
capacities can lead to poor judgement and increase the risk of safety events.
Equipment Supplies
All equipment used around the digesters should be qualified to be used in Class Div2 areas.
Proper Protective Equipment (PPE)
All personel working around anerobic digesters should refer to local HSE officer for job specific
PPE requirements and need. At a minimum, the following PPE should be used whenever in the
vicinity of biogas.
0 4-gas personal monitor should be worn when in the vicinity of biogas
o Safety glasses, safety shoes, gloves.
o Personal Floatation Devices — when working on the cover.
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ROESLEIN
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Provisions for Safety Measures
Register, NC RA270-22
Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
Restriction of Access
No one should enter any section of the wastewater treatment system unless accompanied
by another person who is able to perform live -saving techniques and should only be done
to perform routine maintenance or a required repair. Before entering a waste collection pit,
lift station well, or any section of the anaerobic digester, all biogas should be removed and
sufficient airflow has been directed into the workplace. Proper airflow can be directed into
the workspace through fans, blowers, or other means. The responsibility of personal safety
is on the person or organization performing the work, and not on the farm owner, associated
equipment providers, or construction contractors.
Emergency Contacts
Emergency contact information is required to be posted at any gates and in the operation
control room.
Equipment Safety Guards, Warning Labels, & Alarms
All safety guards, warning labels, safeties, and alarms for all the equipment shall always
be operational and maintain their location.
Clearances
Keep and maintain all clearances as required by law and as recommended by the
equipment's manufacturers.
Open Flames & Combustion Sources
Ensure that all open flames and combustion sources are kept away from any location where
gas can accumulate. A minimum separation distance of 50 ft is recommended to keep
between any ignition point and the cover of the anaerobic digester. There will be no
smoking near any of the gas treatment systems.
Spill Prevention & Control Provisions
Response to Upsets and Bypasses Including Control Containment and Remediation
All control stations will be equipped with audible alarms. Remote alarms will be provided by a
control system to alert the operator of any problems should they occur.
Contact Information for Emergency Responders and RegulatoryAgencies
All phone numbers for Emergency Responders and Remediation Agencies will be located in an
unobstructed centralized location in the control room.
Facility Control Valves
Control valves installed will allow for operators to isolate sections of the system if a problem were
to occur.
Waffanjy
All Roeslein and its subcontractor/vendor-supplied equipment or parts are warranted to be free from
defective material and workmanship, under normal use and service. Roeslein is responsible for the
operation and maintenance of the treatment system. In the event of any defects developing during the
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ROESLEIN
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Register, NC RA270-22
Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
normal operation of the system, Roeslein will notify the supplier/vendor in writing, and upon receipt of
their written consent, the parts will be returned promptly to vendor's factory.
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ROESLEIN
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Register, NC RA270-22
Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
Appendix A: Inflation Rating Guide
Inflation Rating - Lagoon cover inflation should be rated on a scale from 0 to 10. The purpose of this guide
is to provide advice when grading inflation level. Levels that fall in between these defined ratings should
be interpolated.
0: Cover is completely flat, resting on the water.
1: Cover is mostly flat, with pillows around the outside or in some areas.
3: Cover is inflated but center rain trench and laterals are still on water.
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ROESLEIN
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Register, NC RA270-22
Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
5: Center rain trench is on water but laterals on one side are off the water.
w
7: Center rain trench is on water but all laterals are off the water.
9: All laterals and some parts of the center rain trench are off the water.
r
r
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ROESLEIN
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Appendix B: Digester Operation SOP
1. Overview:
Register, NC RA270-22
Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
A Standard Operating Procedure (SOP) is a set of written instructions that document a routine or repetitive
activity followed by an organization. The development and use of SOPS are an integral part of a successful
quality system as it provides individuals with the information to perform a job properly and facilitates
consistency in the quality and integrity of a product or end -result.
The Operations Team should follow the Digester Operation Procedure when operating equipment at the
digester and managing liquid level. For additional information refer to Cover Installer's Operations and
Maintenance Manual.
2. Purpose
The Digester Operation Procedure provides guidance on how to manage digester water level seasonally,
manage cover inflation, and perform surveillance of cover integrity.
3. Scope and Applicability
This procedure is applicable to the Digester Transfer pumps, Mixing Pumps, and digester covers installed
by Roeslein and Associates.
4. Procedure Summary
Transfer Pump Operation
Digester Cover Operation
Daily Checks
Weekly Checks
5. Guidelines/Authority
The Procedure does not strictly fall under any regulated authority.
6. Health/Safety
Refer to Site owners' safety requirements regarding PPE assessment for additional details.
OOF Biogas and oxygen in air can potentially form a flammable mixture.
Methane (CH4) is an odorless, flammable gas. CH4 is lighter than air and
tends to rise and dissipate quickly outdoors.
<+epw'+ Biogas contains primarily methane (55 — 60%), and carbon dioxide (35 —
40%). However, biogas also contains hazardous trace amounts of hydrogen
sulfide (H2S), nitrogen (< 2%), oxygen (< 1%), and water vapor (<8%).
Hydrogen Sulfide (H2S) has a distinct "rotten egg" odor at low concentrations.
However, at higher concentrations, it overwhelms the sense of smell and
cannot be detected. At concentrations > 1000 ppm, it can cause immediate
8A>
e
unconsciousness and death through respiratory paralysis.
.
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ROESLEIN
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Register, NC RA270-22
Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
Hydrogen Sulfide compositions in the biogas feed supply can be at 1500 to
2500 ppm/vol, however the tail gas/permeate from the membrane routing to
the thermal oxidizer can be in the 10,000 ppm/vol range.
Carbon Dioxide (CO2) is a colorless, odorless, tasteless, non -irritating, non-
4 toxic gas. However, it can act as a simple asphyxiant by displacing oxygen
present in air to levels below that required to support life. In environments
with low concentrations of oxygen, confusion and reduced mental capacities
can lead to poor judgement and increase the risk of safety events.
Nitrogen (N2) gas is a colorless, odorless, tasteless, non -irritating, non -toxic,
MBHBMHKW inert gas. However, it can act as a simple asphyxiant by displacing oxygen
present in air to levels below that required to support life. In environments
with low concentrations of oxygen, confusion and reduced mental capacities
can lead to poor judgement and increase the risk of safety events.
7. Equipment/Supplies
• Adjustable wrench (standard metal okay to use in Class 1 Div2 areas)
• (PPE) proper protective equipment
0 4-2as personal monitor should be worn when in the vicinity of biogas
o Safety glasses, safety shoes, gloves.
o Personal Floatation Devices — when working on the cover.
• Refer to local HSE officer for job specific PPE requirements and needs.
8. Procedure
No.
Procedural Step Description
Transfer Pump Operation
8.0.1
Transfer pumps transfer water from the covered lagoon digester to evaporative lagoons
to maintain the desired liquid level in the digester.
Lagoon digesters high level is limited to two (2) feet below top of berm (or freeboard).
Lagoon digester low pump level is limited to one (1) foot above the sewer inlet pipe
exit to maintain gas seal. All pipe -berm penetrations must remain sealed with liquid to
avoid allowing biogas escaping through unsealed headers. The low pump level is — 9
ft below top of berm. The lagoon digester cover should be supported by the lagoon
liquid when not inflated. Dropping the lagoon liquid level too low may lead to an
unsupported cover and possible cover stretching and cover damage. Recommended
operation level is 3-4 ft below top of berm to ensure adequate digester biomethane
production and ensure that the level does not exceed 2 ft below top of berm at any time
during operational deviances.
The digester liquid level should be monitored daily. Transfer pumps can be operated
manually or in timer mode. Normally, timer mode should be used as the pumps will
not normally run continuously. During the biogas production season, the liquid level
should be maintained at a higher level. As the production season slows down in the fall,
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ROESLEIN
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Register, NC RA270-22
Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
the digester liquid level should be pumped down slowly to low pump level. This will
allow the maximum amount of manure to be stored during the off season and should be
allowed to fill back up to high level, before starting the transfer pump and discharging
liquid to evaporative lagoons.
Digester Cover Operation
8.1.1
The digester covers are a fully welded system that is integral with the lagoon liners.
Because of soil permeability, the 60-mil liner is utilized and fully welded to the 80-mil
lagoon cover at the perimeter. All cover, liner, and anchor trench sheet material is
HDPE which provides material toughness, flexibility, UV resistance, and water/gas
impermeability. The cover uses 6" grout filled HDPE piping at both the laterals and
center anchor trench. The Laterals are spaced on the order of 42-44 ft apart along the
entire length of the cover and are used to restrain gas movement from one side of the
cover to the other and avoid fast movement of the cover. Laterals are only effective
when they are substantially laying on the digester water operating level. The center
trench is comprised of two parallel pipes that run the center axis along the length. The
center trench is used to both restrain the cover upward movement and to provide an
area in which incident rainwater collects for easier pumping. An 8" corrugated
perimeter biogas collection header is installed around the entire circumference of the
digester cover to ensure generally equal gas inflation around the perimeter during low
gas production and low cover inflation.
The digester cover is a volumetric storage vessel, not a pressure vessel. The cover is
designed to contain the biogas emanating from the digester surface for collection into
the perimeter biogas header. The pressure under the cover operates at 0.0" w.c. (Water
column) to approximately 0.3" w.c. Pressure is not measured as it is immaterial to
operations.
In the event of power outage or emergency, there are two (2) 6" flanged emergency vent
ports directly on the cover, opposite of the swine barns. These ports have lug butterfly
valves and should be used with proper venting apparatus to ensure that the biogas is
vented at an elevation high enough to support safe operator opening and closure of the
valves.
Proper inflation of the digesters is critical to the reliable operation of the plant. A low
level of inflation ensures that ingress of air doesn't occur into the biogas which would
contaminate the gas with nitrogen and oxygen. 100% full inflation ensures that the
covers are in an optimal state for 24-hour net heat gain by the digester and prepared for
normal atmospheric wind conditions. This site has an annual hurricane season which
will involve strong storms and large amounts of rain. The direction below, addresses
normal, winter season, and hurricane season that are predicted. It is ultimately important
to continually monitor weather forecasts at least 5 days out and make any adjustments
in cover inflation in advance.
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ROESLEIN
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Register, NC RA270-22
Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
The operations group should keep in mind the following items that affect the
performance of the cover.
• Laterals and center anchor trench piping is designed to control the movement
of the cover in all wind conditions. The grid of piping reinforces the cover in
both directions and also acts as a labyrinth in which gas has to pass when
moving during wind conditions, thus slowing the gas velocity and cover
movement.
• More cover contact with the water allows the cover to survive high wind
conditions due to the fact that water surface tension anchors the cover and there
is less volume of gas to move around the cover. Taut cover material also allows
the cover to withstand higher wind conditions.
• Less cover rise above the top of berm reduces the area of cover that wind exerts
force on. Less cover rise around the perimeter also reduces the cover profile
which in turn reduces the Bernoulli lifting mechanism on the cover in high
wind conditions (similar to a plane wing profile)
• HDPE has a relatively large coefficient of thermal expansion. The cover will
be much hotter during the day with sunlight exposure than at nighttime. Also,
radiant heat loss at night will condense water in the biogas space under the
cover, also reducing the total volume of gas under the cover. Methane, Carbon
Dioxide, and Hydrogen Sulfide do not condense but do decrease in volume as
an ideal gas. The volumetric difference in gas over a 24-hour period day to
night is due to the molar water volume in the biogas and biogas temperature
under the cover. The cover and laterals are designed for expansion and
contraction over all biogas ambient dry bulb temperatures between high and
low pump digester levels.
• As the perimeter of the digester is inflated less, less water will run off the cover
around the perimeter. This is beneficial to reduce the possibility of erosion of
the digester berms. Covers are easily pumped off with the Mixing Pumps to a
location several hundred feet from the berm.
The following digester cover operating guidance should be followed by plant operations
group:
1. In all operating conditions, the center rain trench piping shall be fully, 100%,
laying on the digester water surface.
2. In all operating conditions, the laterals shall be at minimum, substantially
laying on the digester water surface. Per operating modes below, maximum
15' of lateral at either end shall be suspended above the surface of the cover.
3. Digesters will produce gas at different rates. The blowers and A2000 piping is
designed to transfer gas between covers to maintain cover inflations within the
cover operating modes below while conserving biogas.
4. Anemometers are installed on the plant and accessible through Ignition. Each
Anemometer indicates wind speed up to 90mph and wind direction. Data is
recorded in the historian. Operators will monitor wind speed and use as
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ROESLEIN
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Register, NC RA270-22
Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
necessary to refine operations compared with predicted winds at remote towns
based on the actual farm surrounding geography.
5. With A3000 fully operational, there is no reason to inventory biogas under the
covers beyond the operating modes detailed below.
Operating Modes:
1. Normal Operation:
a. Cover inflation around the perimeter is no higher than 6' above top of
berm. Inflation will generally vary between 3' to 6' based on wind
speed and direction.
b. Laterals are substantially on the digester water surface with end 10-15'
suspended and end cap at —2' off of liquid surface.
c. Gas cover between laterals is pillowed at nominal 2-4' above water
surface at peaks between the laterals.
d. Cover is tensioned but not tight. The cover will incrementally move in
the wind but with gentle local rolling effect.
e. This mode is applicable for winds sustained and gusts up to 50 mph
from all directions.
2. Winter Season Operation:
a. Cover inflation around the perimeter is no higher than 6' above top of
berm. Inflation will be generally 3' to 5' based on wind speed and
direction.
b. Laterals are fully on the digester water surface, including end cap.
c. Gas cover between laterals is not pillowed and flat on the water with
the exception of naturally occurring and sporadic cover rolls/channels.
d. Cover is tensioned but not tight. The cover will incrementally move in
the wind but with gentle local rolling effect.
e. This mode is applicable for winds sustained and gusts up to 65 mph
from all directions.
3. Hurricane / High Wind / Intense Storm Predicted:
a. Cover inflation around the perimeter is no higher than 3' above top of
berm. Nominal inflation above top of berm is 1.5' to 2'.
b. Laterals are fully on the digester water surface, including end cap.
c. Gas cover between laterals is not pillowed and flat on the water with
the exception of naturally occurring and sporadic cover rolls/channels.
d. Cover is tensioned but not tight. The cover will incrementally move in
the wind but with local rolling effect.
e. Cover will be flat extending from the ends of the laterals towards the
anchor trench for at least 20'.
f. This mode is applicable for winds sustained and gusts above 65 mph
from all directions. If winds are expected to exceed 75 mph, the
blowers (preferentially) and or emergency vents (if required) should be
used to evacuate substantially all gas.
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ROESLEIN
ENGINEERS • MANUFACTURERS • CONSTRUCTORS
Register, NC RA270-22
Anaerobic Digester O&M
Revision: 0
Effective Date: 4/15/2024
Daily Checks
8.2.1
• Visually inspect the digester water operation level to ensure 3-4 ft of freeboard.
Work with the farm to adjust timers if required to bring the level back into target
range.
• Visually inspect the digester cover and quantify inflation level and laterals
position.
• Visually inspect and quantify area of digester cover occupied by water. Utilize
pumping systems to remove surface water from the center anchor trench.
Weekly Checks
8.3.1
Walk perimeter of digester checking for:
• Leaks via a gas monitor or methane detection device around the base of the
cover and the anchor trench. Use of soapy water from an orchard sprayer may
also be used to detect leaks during cool cover conditions and still wind.
• Torn ballast straps or laterals that are not aligned straight.
• Settling or erosion around berm
• Any running equipment for an uncharacteristic operating state (noise/vibration)
• Sample cover rainwater to determine if it is "hot" aka contains dissolved
ammonia because contaminated cover water is an indication of a possible
digester cover leak and will need to be pumped under the cover.
• Trash and foreign matter on the cover can cause problems with normal
operation. If debris becomes wedged between the ballast weight and cover it is
possible for punctures to occur. Additionally, foreign matter can cause the rain
collection channels to become blocked and disrupt flow of the rainwater. All
operators and contractors working on top of the digester should be cognizant
of the perimeter rock and make sure not to kick the rock into the digester.
Furthermore, a yearly pre -season inspection should occur to inspect for and
remove any debris along the entire length of ballasts.
Page 17 of 17

Sampling protocol and schedule for Monarch sites
Date: 04/09/2024
Sample collection at all sites should be done using the sampling protocol outlined below. A submittal sheet will be sent to the person in charge
of sampling prior to sampling. The respective person is responsible for print submittal forms, conducting sampling, label samples as per submittal
form, safely storing (refrigerated containers during storage) and shipping samples to the respective lab (instructions on submittal form)
Required accessories:
1. Telescopic sampler extendable to 18 feet and the pendulum beaker
2. Gloves and sampling containers
3. Ice packs.
4. Sampling submittal forms
5. Safety supplies
During sampling event two people should be responsible while supporting tasks (shipping etc.) can be conducted by the person in charge alone.

Sampling protocol for digester samples
1. Influent and effluent samples are intended to be collected for all sites from shortlisted digesters on a quarterly basis. Sampling to be
conducted by two persons at the site.
2. Label all sampling containers with respective sampling ids.
3. The influent sample must be collected from a wet well just prior to entering the lagoon using the telescopic sampler and 5-gallon bucket
while following all site -specific safety policies, including Lagoon Access Safety Procedure
4. The effluent sample must be collected from the crossover pipe/wet well using the telescopic sampler and 5-gallon bucket while following
all site -specific safety policies, including Lagoon Access Safety Procedure
5. Sampling from a Cross over pipe
a. On opening the valve on crossover pipe it is recommended to allow enough time to pass such that the standing debris in the
pipe is flushed out and a good representative sample can be collected.
b. Collect 3 x 500 mL samples using the sampler into a clean 5-gallon bucket.
c. Repeat this procedure 2 more times, while collecting all the samples into the same 5-gallon bucket.
d. Allow sufficient time between two collection events such that pipe contents are flushed.
e. At the end of the sampling event, you may have — 1.3-1.5-gallon sample, homogenize the contents of the bucket gently mixing
using the sampler and the pendulum beaker on the sampler.
6. Sampling from a wet well
a. Using the telescopic sampler (beaker attached to the rod) gently homogenize contents of the wet well.
b. Collect 6-8 beakers of sample into a 5-gallon bucket from different areas of the wet well to get a representative sample.
c. Gently homogenize the contents of the bucket.
7. Grab a sample from the homogenized mixture to fill the labeled sampling container (influent or effluent) and put the container cap
tightly ensuring a watertight seal.
8. If the samples are to be stored for more than 2 hours before shipping, store them in a refrigerator preferably 4°C or lower.
9. If refrigeration is not available use frozen icepacks to cool the samples and replace icepacks at regular intervals, store the samples in a
well -ventilated space.
10. DO NOT STORE SAMPLES IN REFRIGERATORS MEANT FOR FOOD STORAGE
11. Ship samples to the lab (details in the submittal form) to deliver overnight. Include ice packs in the shipping box to keep samples cool
during transit.

Sampling protocol for lagoon liquid samples (Secondary lagoon
1. Lagoon liquid samples are intended to be collected from all the open lagoons at every site on a quarterly basis.
2. Label all sampling containers with respective sampling ids. (Refer sample list for Sample IDs)
3. The sample must be collected from the multiple spots (6-8) in the open lagoon using the telescopic sampler and 5-gallon bucket while
following all site -specific safety policies, including Lagoon Access Safety Procedure
4. Use the 18 feet telescopic sampler to reach lagoon water surface from the berm, it is needed that the sampling in charge is accompanied
by another operator onsite for this sampling for ease of equipment handling and safety.
5. Collect 2 x 500 mL samples at each spot, using the sampler into a clean 5-gallon bucket.
6. Repeat this procedure at all 6-8 randomly chosen spots along with periphery of the lagoon, collect all the samples into the same 5-gallon
bucket.
7. At the end of the sampling event, you may have — 1.3-1.5-gallon sample, homogenize the contents of the bucket gently mixing using the
sampler and the pendulum beaker on the sampler.
8. Grab a sample from the homogenized mixture to fill the labeled sampling container and put the container cap tightly ensuring a
water/airtight seal.
9. If the samples are to be stored for more than 2 hours before shipping, store them in a refrigerator preferably 4C or lower or use frozen
icepacks to cool the samples in a small container and replace icepacks at regular intervals, store the samples is a well -ventilated space.
10. DO NOT STORE SAMPLES IN REFRIGERATORS MEANT FOR FOOD STORAGE
11. Ship samples to the lab (details in the submittal form) to deliver overnight. Include ice packs in the shipping box to keep samples cool
during transit.

Sludge survey and sampling from secondary lagoon
1. The secondary lagoon, source of sludge, will be examined for sludge levels once every four years.
2. Sludge levels in the covered digesters will be examined once every four years appropriate sludge management plans will be put in
place to keep sludge levels in the digester under control.
3. Sludge sampling, from the secondary lagoon, will be conducted during sludge management events to determine sludge
composition especially Nitrogen, Phosphorus, potassium, and other micronutrients.
4. This sampling protocol is intended to help evaluate progression of sludge level in the secondary lagoon and covered digeste and
ensure agronomic land application.
5. Sludge sampling will be conducted using a sludge judge, while sludge surveys will be conducted using sonar devices that can be
remotely controlled from the berm following all site -specific safety policies, including Lagoon Access Safety Procedure.

Recommended analysis
Table 1 Recommended tests for lagoon/digester effluent sampling
Digester effluent, secondary lagoon effluent and sludge testing
Manure package
Eff-MMDDYY
Inff-MMDDYY
Nitrogen, Ammonium Nitrogen,
Organic Nitrogen, Phosphate, Potash,
Calcium, Copper, Iron, Magnesium,
Manganese, Sodium, Sulfur, Zinc,
Moisture/Total Solids, Total Salts, pH
VS
Alkalinity
Volatile organic acids
COD
BOD5
Total testing cost
Amongst the manure package TS, Ammonium nitrogen, pH are mandatory tests and if done separately cost more than the package.
Table 2 Optional tests for lagoon/digester effluent sampling
Orthophosphate
Sulfate
Sulfide
EC
Carbon

ROY COOPER
Govrrnnr
MICHAEL S. REGAN
secrerary
UNDA CULPEPPER
piro[w
W Melvin Bostic
Melvin Bostic Farm
1200 S Dobson Chapel Rd
Magnolia, NC 28453
Dcar W Melvin Bostic:
NORTH CAROLINA
Enw►+onn enrai Quality
September 23, 2019
Subject: Certificate of Coverage No. AWS310239
Melvin Baltic Farm
Swine Waste Collection, Treatment,
Storage and Application System
Duplin County
In accordance with your renewal request, we are hereby forwarding► to you this Certificate of Coverage
(COC) issued to W Melvin Bostic, authorizing the operation of the subject animal waste management
system in accordance ►with General Permit AWG 100000. Please read this COC and the enclosed Stoic
General Permit carefully.
This approval shall consist of the operation of this system including, but not limited to, the management
and land application of animal waste as specified in the facility's Certified Animal Waste Management Plan
(CAWNW) for Melvin Bostic Farm, located in Duplin County, with a swine: animal capacity of no greater
than the following annual averages:
Wean to Finish: Feeder to Finish: 4800 Boari Stud:
Wean to Feeder: Farrow to Wean: Gilts:
Farrow to Finish: Farrow to Feeder: Oilier:
If this is a Farrow to Wean or Farrow to Feeder operation, there may be one boar for each 15 sows. Where
boars arc unnecessary, they may be replaced by an equivalent number of sows. Any of the sows may be
replaced by gilts at a rite of 4 gilts for every 3 sows.
This COC shall be effective from October 1, 2019 until September 30, 2024 and shall hereby void
Certificate of Coverage Number AWS310239 that was previously issued to this facility. Pursuant to this
COC, you are authorized and required to operate the system in conformity with the conditions and
limitations as specified in the Gcncral Permit, the facility's CAWNIP. and this COC. An adequate system
for collecting and maintaining the required monitoring data and operational information must be established
for this facility. Any increase in waste production greater than the certified design capacity or increase in
number of animals authorized by this COC (as provided above) will require a modification to the CAWMP
and this COC and must be completed prior to actual increase in either wastewater flow or number of animals.
Yt_are cncouraggd to updates your Swine Odor Control Checklist 1tkk the enclosed farm. If you do so.
you must send a copy of'the updated farm to the Animal Feeding Operations Progrartt at the address below.
Please pay carcfiil attention to the record kccping and monitoring conditions in this permit. Stocking and
Mortality Form (STOCK-1) has been updatcd; all ether record keeping forms are unchanged with this
General Permit. Please use the most current record keepin fg<orins.
Korth Carollru Ircpartment of Environmental Quatty I Dhr mn of Myer Rewurom
e�:�—D—EQ $12 North Salisbury strut 11636 MA? Service GmtCr - R0Id*e Korth C*roAnu 276A4.1636
9t99't ,9o00

If your Waste Utilization Plan (WUP) has bccn dcvclopcd based on site -specific information, careful
evaluation of future samples is necessary. Should your records show that the current WUP is inaccurate
you will need to have: a new WUP developed.
The issuance of this COC does not excuse the Permittee from the obligation to comply with all applicable
laws, rules, standards, and ordinances (local, state, and federal), nor does issuance of a COC to operate
under this permit convey any property rights in either real or personal property.
Per 15A NCAC 02T .1304 and MRCS standards a 100-foot separation shall be maintained between water
supply wells and any lagoon, storage pond, or any land application of waste.
Please be advised that any violation of the terms and conditions specified in this COC, the General Permit
or the CAWMP may result in the revocation of this COC, or penalties in accordance with NCGS 143-
215.6A through 143-215.6C including civil penalties, criminal penalties, and injunctive relief
If any parts, requirements, or limitations contained in this COC are unacceptable, you have the right to
apply for an individual permit by contacting the Animal Feeding Operations Program for information on
this process. Unless such a request is made within 30 days, this COC shall be final and binding.
In accordance with Condition 11.23 of the General Permit, waste application shall cease within twelve (12)
hours of the time that the National Weather Service issues a Hurricane Warning, Tropical Storm Warning,
or a Flood WatchrFlash Flood Watch associated with a tropical system for the county in which the facility
is located. You may find detailed watch/warning information for your county by calling the
NewporAtorehead City, NC National Weather Service office at [phone], or by visiting their
website at: www.weathergovlmhxl
This facility is located in a county covered by our Wilmington Regional Office. The Regional Office staff
may be reached at 910-796-7215. If you need additional information concerning this COC or the General
Permit, please contact the Animal Fccding Operations Program staff at [phone].
Sincerely,
for Linda Culpepper
Ditcctor. Division of Water Resources
Enclosums (General Permit AWG 100000)
cc: (Certificate of Coverage only for all ccs)
Wilmington Regional Officc, Watcr Quality Regional Operations Section
Duplin County Health Department
Duplin County Soil and Water Conservation District
Central Files (Permit No. AWS310239)
Murphy -Brown LLC

Murphy -Brown, LLC
Grower(s):
Farm Name:
4/16/2024 2822 Hwy 24 West
P.O. Box 856
Warsaw, NC 28398
William Melvin Bostic
Melvin Bostice Farm Facility 31-239
Farrow to Wean
Farrow to Feeder
Farrow to Finish
Wean to Feeder
Wean to Finish
Feeder to Finish 4800
Gilts
Boars
Storage Structure:
Storage Period:
Application Method:
Anaerobic Lagoon
>180 days
Irrigation
The waste from your animal facility must be land applied at a specified rate to prevent pollution
of surface water and/or groundwater. The plant nutrients in the animal waste should be used
to reduce the amount of commercial fertilizer required for the crags in the fields where the waste
is to be applied.
This waste utilization plan uses nitrogen as the limning nutrient. Waste should be analyzed
before each application cycle. Annual soil tests are strongly encouraged so that all plant
nutrients can be balanced for realistic yields of the crop to be grown.
Several factors are important in implementing your waste utilization plan in order to maximize
the fertilizer value of the waste and to ensure that it is applied in an environmentally safe manner:
1. Always apply waste based on the needs of the crop to be grown and the nutrient
content of the waste. Do not apply more nitrogen than the crop can utilize.
2. Soil types are important as they have different infiltration rates. leaching potentials,
cation exchange capacities, and available water holding capacities.
3. Normally waste shall be applied to land eroding at less than 5 tons per acre per
year. Waste may be applied to land eroding at 5 or more tons per acre annually, but
less than 10 tons per acre per year providing that adequate filter strips are established.
4. Igo not apply waste on saturated soils, when it is raining, or when the surface is frozen.
Either of these conditions may result in runoff to surface waters which is not allowed
under DWR regulations.
5. Wind conditions should also be considered to avoid drift and downwind odor
problems.
5. To maximize the value of the nutrients for crop production and to reduce the potential
for pollution, the waste should be applied to a growing crop or applied not more than
30 days prior to planting a crop or forages breaking dormancy. Injecting the waste or
dishing will conserve nutrients and reduce odor problems.
1of11

This plan is based on the waste application method shown above. if you choose to change
methods in the future, you need to revise this plan. Nutrient levels for different application
methods are not the same.
The estimated acres needed to apply the animal waste is based on typical nutrient content
for this type of facility. In some cases you may want to have plant analysis made, which could
allow additional waste to he applied. Provisions shall be made for the area receiving waste to
be flexible so as to accommodate changing waste analysts content and crop type. Lime must
be applied to maintain pH in the optimum range for speassc crop production.
This waste utilization plan, if carried out, meets the requirements for comp€lance with 15A NCAC
2H .0217 adopted by the Environmental Management Commission.
AMOUNT OF WASTE PRODUCED PER. YEAR ( gallons, ft3, tons, etc.):
Capacit Type Waste Produced per Animal Total
Farrow to Wean S 3203 90yr
gallyr
Farrow to Feeder 3861 gallyr
gallyr
Farrow to Finish 10478 gallyr
gallyr
Wean to Feeder 191 gaityr
gallyr
Wean to Finish 776 gallyr
gallyr
4800 Feeder to Finish 927 gallyr 4,449,600
gallyr
Gilts 1016 gallyr
gallyr
Boars 2959 galiyr
gallyr
Total 4,449,800
gallyr
AMOUNT OF PLANT AVAILABLE NITROGEN PRODUCED PER YEAR Ph*
Capacity Type Nitrogen Produced per Animal Total
Farrow to Wean
384 lbslyr
lbslyr
Farrow to Feeder
6,95 lbslyr
lbslyr
Farrow to Finish
18.86 lbslyr
lbslyr
Wean to Feeder
0.34 lbslyr
lbslyr
Wean to Finish
1.4 lbslyr
lbslyr
4800
Feeder to Finish
1.67 lbslyr
8,016
lbslyr
Gilts
1.83 lbslyr
lbslyr
Boars
5.33 lbslyr
lbslyr
Total
8,016
lbslyr
Applying the above amount of waste is a big job. You should plan time and have appropriate
equipment to apply the waste in a timely manner.
LAND UTILIZATION SUMMARY
The following table describes the nutrient balance and land utilization rate for this facility
Note that the Nitrogen Balance for Crops indicates the ratio of the amount of nitrogen produced
on this facility to the amount of nitrogen that the crops under irrigation may uptake and utilize
in the normal growing season,
Total Irrigated Acreage: 62.1
Total N Required 1st Year: 14965.48
Total N Required 2nd Year: 9226.82
Average Annual Nitrogen Requirement of Crops: 12,096.15
Total Nitrogen Produced by Farm: 8,016.00
Nitrogen Balance for Crops: (4.080.15)
The following table describes the specifications of the hydrants and fields that contain the crops
designated for utilization of the nitrogen produced on this facility. This chart describes the size,
soil characteristics, and uptake rate for each crop in the specified crop rotation schedule for this
facility.
2of11

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This plan does not include commercial fertilizer. The faun should produce adequate plant
available nitrogen to satisfy the requirements of the crops listed above.
The applicator is cautioned that P and K may be over applied while meeting the N requirements.
In the future, regulations may require farmers in some parts of forth Caro€ina to have a nutrient
management ptan that addresses all nutrients. This plan only addresses nitrogen.
In interplanted fields ( i.e. small grain, etc, interseeded in bermuda), forage must be removed
through grazing, hay, and/or silage. Where grazing, plants should be grazed when they
reach a height of six to nine inches. Cattle should be removed when plants are grazed to a
height of four inches. In fields where small grain, etc, is to be removed for hay or silage, care
should be exercised not to let small grain reach maturity, especially late in the season (i.e.
April or May). Shading may result if small grain gets too high and this will definitely interfere
with stand of bermudagrass. This loss of stand will result in reduced yields and less nitrogen
being utilized. Rather than cutting small grain for hay or silage just before heading as is
the normal situation, you are encouraged to cut the small grain earlier. You may want to
consider harvesting hay or silage two to three times during the season, depending on the
time small grain is planted in the fall.
The ideal time to interplant small grain, etc, is late September or early October. Drilling is
recommended over broadcasting. Bermudagrass should be grazed or cut to a height of
about two inches before drilling for best results.
CROP CODE LEGEND
Crop Code Crop
A
Barley
B
Grazed Hybrid Bermudagrass
C
Hybrid Bermudagrass Hay
B/C
Comb. Hybrid Bermudagrass
D
Corn - Grain
E
Cora - Silage
F
Cotton
G
Grazed Fescue
H
Fescue Hay
I
oats
J
Rye
K
Grazed Overseed
L
Overseed Hay
M
Grain Sorghum
N
Wheat
0
Soybean
P
Pine Trees
S
Small Grain
CC
Cover Crop
Description -Harvested As
Grain Crop
Pasture/Grazed
Hay
Graze/Hay Combination
Grain Crop
Silage
Cotton tint
Pasture/Grazed
Hay
Grain Crop
Grain Crop
Pasture/Grazed (Seeded in Bermudagrass)
Hay (Seeded in Bermudagrass)
Grain Crop
Grain Crop
Gain Crop
Pine Trees
Grain Crop/ Hay (After Grain Crap)
Not Harvested; Burned/Disked In
Acres shown in the preceding table are considered to be the usable acres excluding
required buffers, filter strips along ditches, odd areas unable to be irrigated, and perimeter areas
not receiving full application rates due to equipment limitations. Actual total acres in the fields
listed may, and most likely will be, more than the acres shown in the tables.
See attached map showing the fields to be used for the utilization of animal waste.
4of11

SLUDGE APPLICATIION:
The following table describes the annual nitrogen accumulation rate per animal
in the lagoon sludge
Farm Specifications
PANlyr{animal Farm Totallyr
Farrow to Wean
0.8
Farrow to Feeder
0.96
Farrow to Finish
3.9
Wean to Feeder
0.07
Wean to Finish
0.27
4800 Feeder to Finish
0.34 1632
Gilts
0.39
Boars
0.55
The waste utilization plan must contain provisions for periodic land application of sludgeat
agronomic rates. The sludge will be nutrient rich and will require precautionary measures to
prevent over application of nutrients or other elements. Your production facility will produce
approximately 1632 pounds of plant available nitrogen per year and will accumulate in the lagoon
sludge based on the rates of accumulation listed above.
if you remove the sludge every 5 years, you will have approximately 8160 pounds of plant
available nitrogen to utilize. Assuming you apply this PAN to hybrid bermuda grass hayland at the
rate of 300 pounds of nitrogen per acre., you will need 27 acreas of land. If you apply.the sludge
to com at a rate of 125 pounds per acre, you will need 65.2.8 acres of land. Please note that these
are only estimates of the PAN produced and the land required to utilize that PAN. Actual values
may only be determined by sampling the sludge for plant available nitrogen content prior to application
Actual utilization rates will vary with soil type, crop, and realistic yield expectations for the specific
application fields designated for sludge application at time of removal.
APPLICATION OF WASTE BY IRRtGATION*
The irrigation application rate should not exceed the intake rate of the soil at the time of irrigation
such that runoff or ponding occurs. This rate is limited by initial soil moisture content, soil
structure, soil texture, water droplet size, and organic solids. The application amount should not
exceed the available water holding capacity of the soil at the time of irrigation nor should the
plant available nitrogen applied exceed the nitrogen needs of the crop.
If surface irrigation is the method of land application for this plan, it is the responsibility of the
producer and irrigation designer to ensure that an irrigation system is installed to properly
irrigate the acres shown in the preceding table. Failure to apply the recommended rates and
amounts of nitrogen shown in the tables may make this plan invalid.
*This is the maximum application amount allowed for the soil assuming the amount
of nitrogen allowed for the crop is not over applied. In many situations, the application
amount shown cannot be applied because of the nitrogen limitation. The maximum
application amount shown can be applied under optimum soil conditions.
Your facility is designed for >180 days of temporary storage and the temporary storage must
be removed on the average of once every 6 months. In no instance should the volume of the
waste stored in your structure be within the 25 year 24 hour storm storage or one foot of
freeboard except in the event of the 25 year 24 hour storm.
It is the responsibility of the producer and waste applicator to ensure that the spreader equipment
is operated properly to apply the correct rates to the acres shown in the tables. Failure to apply
the recommended rates and amounts of nitrogen shown in the tables may make this plan invalid.
Calf your technical specialist after you receive the waste analysis report for assistance in
determining the amount of waste per acre and the proper application prior to applying the waste.
5 of 11

Application Rate Guide
The following is provided as a guide for establishing application rates and amounts.
Soil Application Rate Application Amount
Tract Hydrant Type Crop inlhr * inches
3957 Pivot 1 NbA D 6.4 1
6 of 11

Additional Comments.
7of11

NUTRIENT UTILIZATION PLAN CERTIFICATION
Name of Farm
Owner:
Manager:
awnerfManager Agreement:
Melvin Bostice Farm Facility 31-239
William Melvin Bostic
Itwe understand and will follow and implement the specifications and the operation and
maintenance procedures established in the approved animal waste nutrient management
plan for the farm reamed above, llwe know that any expansion to the existing design capacity
of the waste treatment an&or storage system, or construction of new facilities, will require a
new nutrient management plan and a new certification to be submitted to DWR before the new
anlmais are stocked.
Uwe understand that I must own or have access to equipment, primarily irrigation equipment,
to land apply the animal waste described in this nutrient management plan. This equipment
must be available at the appropriate pumping time such that no discharge occurs from the lagoon
in the event of a 25 year 24 hour storm. I also certify that the waste will be applied on the land
according to this plan at the appropriate times and at rates which produce no runoff.
This plan will be filed on site at the farm office and at the office of the local Soil and Water
Conservation District and will be available for review by NCDW R upon request.
Name of Facility Owner:
Signature:
William Melvin Bostic
Name of Manager (if different from owner):
Signature:
Name of Technical Specialist: M. Kevin Weston
Affiliation: Murphy -Brown, LLC.
Address:— 2822 Hwy 24 West, PO Drawer $56 —
Warsaw, INC 28398
Signature:
Telephone: [phone]
Y
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[late
A,
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8of11

NUTRIENT UTILIZATION PLAN
Animal waste shall not reach surface waters of the state by runoff, drift, manmade
conveyances, direct application; or direct discharge during. operation or land application.
Any discharge of waste which reaches surface water is prohibited.
2 There must be documentation in the design folder that the producer either owns or has an
agreement for use of adequate land on which to properly apply the waste. If the producer
does not own adequate land to properly dispose of the waste, he/she shall provide
evidence of an agreement with a landowner, who is within a reasonable proximity,
allowing hire/her the use of the land for waste application. It is the responsibility of the
owner of the waste production facility to secure an update of the Nutrient Utilization Flan
when there is a change in the operation, increase in the number of animals, method of
application, recieving crop type, or available land.
3 Animal waste shall be applied to meet, but not exceed, the nitrogen needs for realistic
crop yields based upon soil type, available moisture, historical data, climatic conditions,
and level of management, unless there are regulations that restrict the rate of applications
for other nutrients.
4 Animal waste shall be applied to land eroding less than 5 tons per acre per year. Waste
may be applied to land eroding at more than 5 tons per acre per year but less than 19 tons
per acre per year provided grass filter strips are installed where runoff leaves the field
(See USDA, MRCS Field Office Technical Guide Standard 393 - Filter Strips).
5 Odors can be reduced by injecting the waste or disking after waste application. Waste
should not be applied when there is danger of drift from the land application field.
fi When animal waste is to be applied on acres subject to flooding, waste will be soil
incorporated on conventionally tilled cropland. When waste is applied to conservation tilled
crops or grassland, the waste may be broadcast provided the application does not occur
during a season prone to flooding (See "Weather and Climate in North Carolina" for
guidance).
7 Liquid waste shall be applied at rates not to exceed the soil infiltration rate such that runoff
does not occur offsite or to surface waters and in a method which does not cause drift
from the site during application. No ponding should occur in order to control odor and
flies.
Animal waste shall not be applied to saturated soils, during rainfall events, or when the
surface is frozen.
9 of 11

NUTRIENT UTILIZATION PLAN
REQUIRED SPECIFICATIONS
9 Animal waste shall be applied on actively growing crops in such a manner that the crop is not
covered with waste to a depth that would inhibit growth. The potential for salt damage from
animal waste should also be considered.
10 Nutrients from waste shall not be applied in fall or winter for spring planted crops on soils with a
high potential for leaching. waste/nutrient loading rates on these soils should be held to a
minimum and a suitable winter cover crop planted to take yap released nutrients. Waste small
not be applied more than 30 days prior to planting of the crop or forages breaking dormancy.
11 Any new swine facility sited on or after October 1, 1995 shall comply with the following: The
outer perimeter of the land area onto which waste is applied from a lagoon that is a component of
a swine farm shall be at least 50 feet from any residential property boundary and canal. Animal
waste, other than swine waste from facilities sited on or after October 1, 1995, shall not be
applied closer than 25 feet to perennial waters.
12 Animal waste shall not be applied closer than 100 feet to we€ls.
13 Animal waste shall not be applied closer than 200 feet of dwellings other than those owned by
the landowner.
14 waste shall be applied in a manner not to reach other property and public right-of-ways.
15 Animal waste shall not be discharged into surface waters, drainageways, or wetlands by discharge
or by over -spraying. Animal waste may be applied to prior converted cropland provided the fields
have been approved as a land application site by a "technical specialist". Animal waste shall not
be applied on grassed waterways that discharge directly into water courses, and on other grassed
waterways, waste shall be applied at agronomic rates in a manner that causes no runoff or drift
from the site.
16 Domestic and industrial waste from washdown facilities, showers, toilets, sinks, etc., shall not be
discharged into the animal waste management system.
9of11

NUTRIENT UTILIZATION PLAN
REQUIRED SPECIFICATIONS
17 A protective cover of appropriate vegetation will be established on all disturbed areas (lagoon
embankments, berms, pipe runs, etc.). Areas shall be fenced, as necessary, to protect the
vegetation. Vegetation such as trees, shrubs, and ether woody species, etc., are limited to areas
where considered appropriate. Lagoon areas should be kept mowed and accessible. Berms and
structures should be inspected regularly for evidence of erosion, leakage, or discharge.
18 If animal production at the facility is to be suspended or terminated, the owner is responsible for
obtaining and implementing a "closure plan" which will eliminate the possibility of an illegal
discharge, pollution and erosion.
19 Waste handling structures, piping, pumps, reels, etc., should be inspected on a regular basis to
prevent breakdowns, leaps and spills_ A regular maintenance checklist should be kept on site.
20 Anif"l-waste can be used iii f[itA Bid rBt nC es i @
consumption. However, if animal waste is used on crops for direct human consumption, it should
only be applied pre -plant with no further applications of animal waste during the crop season.
21 Highly visible markers shall be installed to mark the top and bottom elevations of the temporary
storage (pumping volume) of all waste treatment lagoons. Pumping shall be managed to
maintain the liquid level between the markers. A marker will be required to mark the maximum
storage volume for waste storage ponds.
22 waste shall be tested within 60 days of utilization and soil shall be tested at least annually at crap
sites where waste products are applied. Nitrogen shall be the rate -determining nutrient, unless
other restrictions require waste to be applied based on other nutrients, resulting in a lower
application rate than a nitrogen based rate. Zinc and copper levels in the soil shall be monitored
and alternative crop sites shall be used when these metals approach excessive levels. pH shall be
adjusted and maintained for optimum crop production. Soil and waste analysis records shall be
kept for a minimum of five years. Poultry dry waste application records shall be maintained for a
minimum of three year& waste application records for all other waste shall be maintained for a
minimum of five years.
23 Dead animals will be disposed of in a manner that meets Forth Carolina regulations.
9of11

Operator:Mel
Bostic
County: Duplin
Date: 04/10/97
Has the site
evaluation
been completed & approved:
yes
1. AVERAGE LIVE WEIGHT (ALW)
0
sows
(farrow to
finish)
x 1417
lbs.
- 0
lbs
0
saws
(farrow to
feeder)
x 522
lbs.
- 0
lbs
1920
head
(finishing
only)
x 135
lbs.
_ 259200
lbs
0
sows
(farrow to
wean)
x 433
lbs.
- 0
lbs
0
head
(wean to feeder)
x 30
lbs.
_ 0
lbs
Describe other :
0
lbs
Total Average Live Weight = 259200 lbs
2. MINIMUM REQUIRED TREATMENT VOLUME OF LAGOON
Volume = 259200 cubic ft (includes 0 cu. ft. add. treat. vol.)
3. STORAGE VOLUME FOR SLUDGE ACCUMULATION
Volume = 65280.0 cubic feet
4 TOTAL DESIGNED VOLUME
Inside top length (feet) --------------------- 260.0
Inside top width (feet) ------------------------- 260.0
Top of dike elevation (feet) ----------------- 47.50
Bottom of lagoon elevation (feet) ------------ 34.50
Freeboard. (feet) - ----------------------------- 1.00
Emergency spillway depth of flow(feet)------- 0.00
Side slopes (inside lagoon) ------------------ 3.0 : I
Total design volume using prismoidal formula
SS/END1 SS/END2 SS/SIDE1 SS/SIDE2 LENGTH WIDTH DEPTH
3.0 3.0 3.0 3.0 254.0 254.0 12.00
AREA OF TOP
LENGTH * WIDTH =
254.0 254.0 64516 (AREA OF TOP)
AREA OF BOTTOM
LENGTH * WIDTH =
182.0 192.0 33124 (AREA OF BOTTOM)
AREA OF MIDSECTION
LENGTH * WIDTH * 4
218.0 218.0 190096 (AREA OF MIDSECTION * 4)
CU. FT. = [AREA TOP + (4*AREA MIDSECTION) + AREA BOTTOM] * DEPTH/6
64516 190096 33124 2.00

Total Designed Volume Available = 575472 CU. FT.
1"j

5. TEMPORARY STORAGE REQUIRED
DRAINAGE AREA:
Lagoon (top of dike)
{ Length * Width ) + Surface area of connecting waste facility
260.0 260.0 0.0
67600.0 square feet
Buildings (roof and lot water) or impervious area
0.0 square feet Describe this area.
TOTAL DA 67600.0 square feet
Design temporary storage period to be 180 days.
5A. Volume of waste produced
Feces & urine production in gal./day per 131 lb. ALW 1.37
Volume = 259200 lbs. ALW/135 lbs. ALW * 1-37 gal/day 180 days
Volume = 473472 gals. or 63298.4 cubic feet
5B. Volume of excess water
Volume = 1737.8 gallons/day
Volume = 41317.6 cubic feet
180 days storage/7.48 gallons
per CF
5C. Volume of rainfall in excess of evaporation
Use period of time when rainfall exceeds evaporation by largest amount.
180 days evaporation — 0.0 inches
180 days rainfall — 8.5 inches
Volume = 8.5 in * ❑A / 12 in. per ft. = 47996 cubic feet runoff
Volume = 0.0 in * lagoon DA/12 in./ft = 0 cubic feet evap.
Volume = 47996 cubic feet

5D. Volute of 25 year 24 hour storm 7.5 in.
Volume of "Heavy Rain" 7.5 in.
Volume = 15.0 inches j 12 inches per foot * DA
Volume = 84500 cubic feet
. Additional volume as follows:
TOTAL REQUIRED TEMPORARY STORAGE
5A. 63298 cubic feet
5B. 41818 cubic feet
5C. 47996 cubic feet
5D. 84500 cubic feet
5E. .O cubic feet
TOTAL 237612 cubic feet
6. SUMMARY
Temporary storage period===-_--=====W======}
180
days
Rainfall during wettest period of storage==->
8.5
inches
Evaporation during storage period===--======>
25 - 24 lour rainfall-==_=--_===--
0.0
inches
inches
'f
year ==_>
Heavy
>7.5
7 .5
inchesYlcr�'c
Freeboard===================================>
-1.00
feet
Side
3.0
. I
Inside top length=====-==---= =--=--==-=__-=
260.0
feet
Inside top
260.0
feet
Emergency spillway elevation(if planned)=-==;
46.50
feet
Top of dike elevation =======_=============>
47.50
feet
Bottom of lagoon elevation=======-====-====>
34.50
feet
Top of sludge elevation======---=======-=-==>
36.36
feet
Total, required volume========--===========-=;
562092
cu. ft.
Actual design volume=========--======---==-==>
575472
cu. ft.
Seasonal high watertable elevation (SHWT) ===>
41.50
feet
Stop pumping
42.19
feet
Must be > or = to the SHWT e1ev.==========>
41.50
feet

Must be a or = o min. req. treatment el.=>
Min. Required treatment volume==============>
Volume at stop pumping elevation============>
Start pumping
Must be at bottom of F.B. & 25 yr. rainfall
Act. Vol. less 25 yr. and heavy rainfall====>
Volume at start pumping elevation===========>
Required volume to be pumped==== ===--=========>
Actual, volume planned to be pumped==========>
Min. thickness of soil liner when required==3
7. DESIGNED B APPROVED BY:
WHO DATE:
40.50 feet
259200 cu. ft.
259292 cu. ft.
45.15 feet
& heavy rain
490972 cu. ft.
491123 cu. ft.
153112 cu. ft.
156365 cu. ft.
1.8 feet

SHEET i ❑F 2
OPERATION AND MAINTENAUCE PLAN
------------------------------
This lagoon is designed for waste treatment (permanent storage) and
180 days of temporary storage. The time required for the planned
fluid level (permanent and temporary storage) to be reached may vary
due to site conditions, weather, flushing operations, and the amount
of fresh water added to the system.
The designed temporary storage consists of 180 days storage for:
(1) waste from animals and (2) excess rainfall after evaporation. Also
included is storage for the 25 yr - 24 hr storm for the location and a
heavy rain factor. The volume of waste generated from a given number
of animals will be fairly constant throughout the year and from year to
year, but excess rainfall will vary from year to year. The heavy rain
factor and 25 yr rainfall will not be a factor to consider in an annual
pumping cycle, but this storage volume must always be available.
The waste produced by the animals shall be utilized in accordance with
an approved waste utilization plan. Highly visible markers shall be
installed to mark the upper and lower elevations of the temporary
storage (pumping volume). Pumping shall be done as necessary to
maintain the liquid level between these markers.
Pumping can be started or stopped at any time between these two
elevations for operating convenience as site conditions permit, such as
weather, soils, crop, and equipment in ❑rder to apply waste without
runoff or leaching.
Land application of waste water is recognized as an acceptable
method of disposal. Methods of application include solid set,
center pivot, guns, and traveling gun irrigation. Care should be
taken when applying waste to prevent damage to crops.
The following items are to be carried out:
1. Before wastes are introduced, the waste treatment lagoon shall be
charged to 1/2 its treatment volume to prevent excessive odors during
start-up. Pre -charging reduces the concentration of the .initial
waste entering the lagoon thereby reducing odors. Solids should be
covered with effluent at all times. When precharging is complete,
flush buildings with recycled lagoon liquid. Fresh water should not
be used for flushing after initial filling.
2. The attached waste utilization plan shall be followed. This
plan recommends sampling and testing of waste {see attachment)
before land application.
3. Begin temporary storage pump -out of the lagoon when fluid level
reaches the elevation 45.15 as marked by permanent marker. Stop pump -
out when the fluid level reaches elevation 42.19 . This temporary
storage less 25 yr and heavy rain contains 166366 cubic feet or
1244418 gallons.

SHEET 2 ❑F 2
4. The recommended maximum amount to apply per irrigation and
recommended maximum application rate is shown in the waste utilization
plan. Refer to the waste utilization plan for further details.
5. Keep vegetation ❑n the embankment and areas adjacent to the
lagoon mewed annually. Vegetation should be fertilized as needed
to maintain a vigorous stand.
6. Repair any eroded areas or areas damaged by rodents and
establish in vegetation.
7. Repair areas of the embankment that settle below the design settled
height or areas where cracking, sloughing, of "jug" holes develop.
8. Repair waste inlet pipes that develop cracks or separate at the
joints.
9. Remove undesirable vegetative growth and floating or lodged debris.
10. All surface runoff is to be diverted from the lagoon to stable
outlets when not included as part of the design temporary storage.
11.. ,after five years the waste treatment lagoon shall be checked for
sludge accumulation annually. if sludge has encroached into the
treatment volume, the sludge will be renoved and applied at agronomic
rates based on analysis of the sludge. Treatment volume must have
a minimum of 4 feet of depth free of sludge at all times.
12. In December 1992, the Environmental Management Commission (EMC)
in North Carolina revised water quality regulations that address
animal operations. These rules became effective on February 1,
1993 (15A NCAC 2H .0200). This animal operation shall be operated
within the requirements of these rules and regulations.
13. Pipes that are used for recycling effluent to use as flush water
and irrigation intakes must be placed 18 inches below the surface and
as far from the inlet discharge pipes as possible in order to provide
a cleaner effluent for flushing and to reduce odors when irrigating on
land. When these pipes are placed through the embankment, they should
be .installed no more than two feet below top of embankment and not in
the highest section of fill. The pipe trench shall be compacted with
clayey material or other material as approved by an engineer.

opor000v:mvi Bostic C 0 " n 0 y 0 u P L i t I f 2 G 19 1
i:ri--onre to n9arest r9gidonce (other Lhan oun?r 1000. v f.
nTEAny STAIr LIVE WEEGHF
0 vows (farrow to finish) x 11 1 7 1 bs
0 GOWS C farrow Lo reader) K 021 Lbs 0 1 b -3,
7900 h v a d (Anishing only) x 110 As 550000 1 b
0 sows (farrow to wean) x 111 Lbs 0 Lb
0 hand Wean to fooder) x 10 Lbs. 0 IN,:
TOTAV SF710Y STATV LIVF WEIGH1 (SSLW. 310800 Lb...
MINIMUM REQUIRED TRYATMEN! VOLUnt OF LAQ60r!
volume - 382100 tbs. SSLW x Treotment VvWnjCCFj!jh, snyj
Volume =800 Cub& felt -
STORAGE VOLUME FOR SLVOGE ACCUMULATTO.-i
Volume - 0.0 cubic Mote "Owner reque,00 no sLudge storage.
Sindq, will to ramuoyd as nved?d.''
045fGN V0LUy_'
lnsi6n top length f S i d a coo Width 17 5 . 0 f ee t-
Top u; dLko ao yjn�o�ion S v 2- �0�0 0 0 ,,
FreYbOArd 1.0 feet ; Side SLOPIS 0,0 1 1 (Tanidy Lagoon)
T*tal dwsiqn laquuo Kqu L d i a v u 1 a a 1 v Y,! -- L o t I
0 t tOM Of 1 0900n 0 1 0 f I
41000nal high antar CoM v!Tvatton 10.0 reuv
Totai dpsign vDLymv using prismoijal ParmnY,!
S 11 F N 0 1 SSIEN02 101SIOE1 SSISKiP LENGTH WIDTH D F P T I I
7.0 5,0 3.0 J.0 271.0 255.0 10.0
AREA OF TO:'
LENGTH " WTDTH
2 y I . 0 269 - "'. 73106 .0 (AREA uF rnp�,
APKA OF nOTTUM
�PHGTN W!OrH
,14�6 (nPOP Oi VITTOM)
Ap"A OF
(�NGTH W7.1y
-1 S , 0 , � v . !) P�7061 cnprA OT MIDAY7,10N
C 0 k 7 FANEA �Y�! M707n�rrQNA o nR&A ROTrom] on P rH

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3i_,3L3'1
EMERGENCY ACTION PLAN
PHONE NUMBERS
DIVISION OF WATER QUALITY (DWQ)
EMERGENCY MANAGEMENT SERVICES (EMS)
SOIL AND WATER CONSERVATION DISTRICT (SWCD)
NATURAL RESOURCES CONSERVATION SERVICE (NRCS)
COOPERATIVE EXTENSION SERVICE (CES)
I D _ �q 2P21,57
0 43
This plan will be implemented in the event that wastes from your operation are lealdng.
Overflowing or running off site. You should not wait until wastes reach surface waters or
leave your property to consider that you have a problem. You should make every effort
to ensure that this does not happen. This plan should be posted in an accessible
location for all employees at the facility. The following are some action items you should
take.
I - Stop the release of wastes. Deponding on the situation, this may or may not be possible. Suggested
responses to some passible problems are listed below.
A. Lagoon overflow • possible solutans are.
a) Add soil to berm to increase olevalion of dam.
b) Pump wastes to fields at an acceptable rate.
C) Stop all flow to the lagoon immedialely,
d) Gad a pumping contractor.
ej Make sure no surface water is entering lagoon.
B. Runoff from waste application field-aebons include:
a) Immediately stop waste application,
b) Create a temporary diversion to contain waste.
c) Incorporate waste to reduce runoff.
d) Evaluate and eliminate the reason(s) that cause the runoff.
e) Evaluate the application rates for the fields whore runoff occurred-
C. Leakage from the waele pipes and sprinklers - action include:
a) Slop recycle pump.
b) Stop irrigatiarr pump.
C) Closa valves to eliminate further discharge.
d) Repair all leaks prior to restarting pumps.
0. Leakage from !lush systems, houses, solid separators - action include:
a) Stop recycle pump.
b) Stop irrigation pump.
0 taake sure siphon occuirs,
d) Stop all flow in the house, bush systems, or solid separators.
E. Leakage from base or sideweli of lagoon. Often this is seepage as opposed to flowing leaks -
possibfe action:
a) Dig a small sump or ditch from the embankment to catch all seepage. put in a submersible -
pump. and pump beck to lagoon.
b) ff hales are caused by burrowing animals, trap or remove animals and fill holes and
compact with a day type soil.
8

c) WWvo a prodessional evaluate the condition of the side ►walls and the lagoon bottom as save
as possible.
2. Assess the extent of the spin and note any obvious damages.
a. Did the waste read surface waters?
b. Approximately how much was released and for what duration?
c. Any damage notes, such as employee injury, fish kills, or property damage?
d. Did the spilt leave the property?
e. Does the spill have the potential to reach surface waters'
f. Could a future rain event cause the spdi to reach surface waters?
g. Are potable water wails in danger (either on or off the property)?
h. How much reached surface waters?
I Contact appropriate agencies.
a. During normal business hours call your OWO regional offaae, Phone #, After Hours,
emergency number: [phone], Your phone call should include: your name, facildY
number, telephone number, the details of the incident from item 2 above, the exact
location of the facility, the location or direction of the movement cd the spill, weather and
wind conditions. The corrective measures that have been under taken, and the
seriousness of the situation.
b. if the spill leaves property or enters surface waters, call local EMS phone number.
c. Instruct EMS to contact local Health Department.
d. Contact CE's phone number, local SWCD office phone number and the local MRCS
office for advice 1 technical assistance phone number.
4. if none of the above works call 911 or the Sheriff's Department and explain your problem to
them and ask the person to contact the proper agencies for you.
5. Contact the contractor of your choice to begin repair or problem to minimize offsite damage.
a. Contractors Name: J4an A;J i4r o-C-4
b. Contractors Address: S& kxSgf Ite . r ke
c . Contractors Phone: ; a - Aft -
6. Contact the technical specialist who certified the lagoon (MRCS, Consulting Engineer, etc.)
a. Name: 3 i -- un or zr SL"n
b. Phone. 5 10 - --R924c c' - Sri o • 2' 06
7. InViament procedures as advised by DWQ and technical assistance agencies to rectify
the damage. repair the system, and reassess the waste management plan to keep
problems with release of wastes from happening again.
9

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3 ti'a39
Y�er�on-�iorembtr 16. Nin
Mortality Management Methods
Inftafe which method(s) wAbe implemented.
When selc►Ong muNiplie methods nrxjlicale a primary versus secondwy optial.
Methods other than those Aisted must be approved by tho Slate Veterinarian.
pmrwry wvwary Routine Mortality
❑ Burial three feet beneath the surfaoe of the ground within 24 hours of knowledge of animal
death. The burial must be at least 300 feet from any flowing stream or public body of water
(G.S.10B-403). The bottom of tine burial pit should be at least one foot above the seasonal
high water table. Attach burial location map and plan.
Landfill at municipal solid waste facility permitted by NC DE4 under GS 1aA NCAC
13B .0200.
11 Rendering at a rendering plant licensed under G.S. 106.168.7.
ElComplete incinerabon according to 02 NCAC 52C .0102.
❑j—i A composting systern approved and permitted by the NC Department of Agriculture & Con-
j _J sumer Services Veterinary Division (attach copy of permit). If compost is distributed off -Farm,
additional requirements must be met and a permit is required from NC DE4.
❑ In the case of dead pou" only, placing in a disposal pit of a size and design approved by the
NC Department of Agriculture & Consumer Services (G.S. 106-549.70),
❑ ❑ Any method which. in the professional opinion of the State Veterinarian, would matte possible
the salvage of part of a dead animal's value without endangering human or animal healll'+.
(Written approval by the State Veterinarian must be attached).
Maas Mortality Plan
Mass mortality plans are required for farms covered by an NPOES permit. These plans are
AO recommended for an animal operations. This plan outlines farm -specific mortaUy man-
agement methods to be used for mass mortality. The NCDABCS Veterinary Division sup-
ports a variety of emergency mortality disposal options; contact the division for guidance.
+ A catastrophic mortality disposal plan is part of the facility's CAWMP and is activated
when numbers of dead animals exceed normal mortality rates as spe0ed by the State
Veterinarian.
+ Burial must be done in accordance with NC General Statutes and NCDA&CS Veterinary
Division regulations and guidance.
+ Mass burial sites are subject to additional permit conditions (refer to (acihly's animal
waste management system permit),
+ In the event of imminent threat of a disease emergency. the Slate Veterinarian may enact
additional temporary procedures or measures for disposal according to G.S. 106.399A.
Signature of Form Owner/manager
Signature of 'technical Specialist
- I r- I f
Date
.3-18 -1('
Date