310090_Application - Digester System_20240628

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ENGINEERS • MANUFACTURERS • CCNSTRUCTCRS
June 28, 2024
Christine Lawson
NCDEQ Division of Water Resources
1601 Mail Service Center
Raleigh, NC 27699-1601
Subject: B&C Farms
Facility # AWS310090
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 B&C Farms. 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. The digester
is beyond 1500 ft from any occupied residence, 2500 ft. from any public building, beyond 500 ft. from property lines, and beyond
500 ft. from any public water source.
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 42,000 SCF of gas per day. This biogas is intended to be used within 6 months of
beginning to collect gas. A portable flare unit will be provided as needed. See plans for location. 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. See narrative for more information.
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 not 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 Digester 0&M Procedures, Sampling Protocol, and Emergency Action Plan.
5. One (1) copy of the FEMA FIRM map labeled with the "proposed Digester Site".
6. One (1) copy of the revised WUP.
7. One (1) copy of the permit form Section 3.6 components.
8. One (1) full-size set of the engineering plans, as well as one (1) 11x17" set.
Page 1 of 2

ENGINEERS MANUFACTURERS • CONSTRUCTORS
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.
Thank you,
G . i�
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 MAY BE PHOTOCOPIED FOR USE AS AN ORIGINAL)
State Digester General Permit — Farm Digester System
1. GENERAL INFORMATION:
1.1 Facility name: B&C Farm
1.2 Print Owner's name: Barney Mangum Rhodes
1.3 Mailing address: 409 John Stanley Bostic Road
City, State: Rose Hill, NC
Telephone (include area code): ( 910 ) 328 - 3295
Email: barneymrhodes(&_yahoo.com
1.4 Physical address: 555 John Stanley Bostic Road
Zip: 28458
Fax: (_) -
City, State: Rose Hill, NC Zip: 28458
Telephone number (include area code): ( 910 ) 328 - 3295
Latitude 34.856' Longitude-77.9020 (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 / NC 903 for 4.1 miles, turn right onto D S Williamson Rd and go 0.9 miles, turn right onto NC-50 S and
go 6 miles, turn right on John Stanley Bostic Rd 2 miles 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): Murphy Brown, LLC
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: mkotovsky(a,roeslein.com
2. OPERATION INFORMATION:
2.1 Facility number: AWS310090
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.
Type of Swine No. of Animals Tyne of Poultry No. of Animals Type of Cattle No. of Animals
❑ Wean to Feeder ❑ Layer ❑ Beef Brood Cow
M Feeder to Finish 7344 ❑ 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): Same as existing (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
56100
Synthetic (80 mil)
477,936
367,200
27019
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.)
27519A
Y
Full, clay
64,904
513,161
470,234
27519B
Y
Full, clay
132,422
999,240
982,804
Select
Select
2.5 Are KNOWN subsurface drains present within 100' of any application fields?
2.6 Are KNOWN subsurface drains in the vicinity or under the waste management system?
2.7 Does this facility meet all applicable siting requirements?
YES or NO (circle one)
YES or NO (circle one)
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
TDIJ
Barns to Digester
Pump Station
6"
480
37
RA270-00-27019-5
Barns to Digester
Pump Station
6"
413
14
RA270-00-27019-5
Digester to Secondary
Gravity
12"
N/A
N/A
RA270-00-27019-5
Secondary to Tertiary
Pump Station
6"
613
61
RA270-00-27019-5
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.
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.
3.3 Documentation that new digester structure(s) meets the Swine Farm Siting Act, for swine
operations.
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 = 500 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,
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.
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:
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:
I, Patrick L. Kullberg (P.E. representing Owner's name listed in question 1.2),
attest that This application for R&C Farnzs (.Facility name listed in question 1.1) has Keen reviewed by me and is accurate and complete
�t 1h bcsrofnw knowledge, Iurvaemland thir riatl rc.�alt�rfp�trtsottltisag)Slt�ltlan�on�a�lctad and Itzari[�tl�+aqutretl
supporting inrontuation pd attachments are V)z included, this application package will be returned to mexi incomplete.
Date 6/28/2024
Engiivc 's Scal
[L[
�S4AL

FARM OWNERlPERMITCEE CERTIFICATION:
1, Barney M. Rhodes (Owner/Pennittec name listed in question 1.2). attest
that this application for B&C Fanns (Facility name listed in question 1.1) has been reviewed by Inc and is accurate and complete to
the best of my knowledge. I understand that irall nxLuirod parts of this application arc not cornplctcd and that if all required
supporting infonnati and attachments arr� n t ipeliGdal, this application package will be returned as incomplete.
Signature ff _ L . Date +6 ax> Oc.
6. MANAGER'S CERTIFICATION: (ownpicte only if diffcrcnt from the Farm Iona)
1. (Manager's ammo listed in question 1.7). attest that this
apptication for B&C (facility name 1is-tedtn'questASts-1:I)'has been reviewed by me and i5 accurate and complete to the best of
my knowledge:. I understand that if all required parts of this application arc not completed and that ifall rcquirod supporting
information and aitachmentc arc not included, this application package will be retumcd as incomplcic.
Signattuc
Date
THE COMPLETED APPLICATION PACKAGE, INCLUDING ALL SUPPORTING INFORMATION AND MATERIALS,
SHOULD BE SENT TO THE FOLLOWING ADDRESS:
NORTH CAROLINA DIVISIONI OF WATER RESOURCES
WATER QUALITY PERMITTING SECTION
ANIMAL FEEDING OPERATIONS PROGRAM
1636 MAIL SERVICE CENTER
RALEItGH, NORTH CAROLINA 27699-1636
TELEPHONE NUMBER: [phone]
ELECTRONIC SUBMISSION 1S ENCOURAGED. EMAIL TO: [e-mail]
7. SURFACE WATER CLASSIFICATION:
This form must be completed by the appropriate D%N-R regional office and includcd as a hart of the
project submittal information.
FORM: AWO-STA'rErG-DIGESTER-7115J2022 Page 4 of 6

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:
7.2 Name & complete address of engineering firm:
Telephone: ( )
Email:
7.3 Name of closest downslope surface waters:
Fax: ( )
7.4 County(ies) where the animal waste management system and surface waters are
7.5 Map name and date:
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

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

R�ESLEIN 1�-
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9"dEER5 . MA?,7X7cTLP s • caWTw.lcTORS
27019 - B&C FARMS Puma Calc
Monarch Bioenergy LLC - Register, NC
Swine RNG Project
A1000 Pump Calc
R&A Project RA270-23
Issued 240626
(Barney Rhodes) B&C FARMS A Flush
w.+Mwa.Fa
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ROESLEIN
Digester - Volume Calculations
Project: Pey Rhodes) B&C FARMS Location:
Project No: 270 Design By:
Date: 2024-04-25 Checked By:
Rev: ilL A
Existing Configuration (For Reference)
Farm Information: Farm Population:
(Barney Rhodes) B&C FARMS
Total: 7344
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
*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 (Barney Rhodes) B&C FARMS lagoons designed by M.E. Sugg 11-4-1992
Volumes:
Total Capacity
7344
Capacity cf/head J=Total
Treatment Volume=1 73441 501 367200 cf
Capacity I Retention Time (days) J=Total
Volume for Retention Time=1 7344 748 cf
Volume Required (cf)
Volume Provided (cf)
Lagoon Calculations
Lagoon Volumes
Desired Digester Treatment Volume
367200
371640
Sludge Storage
3 3228
54936
Storm Storage
0
0
"Heavy Rain"
0
0
Total
1 400428
426576
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 offthe cover
with rain water pumps.
Total Temorary Storage
Proposed Configuration (Proposed Digester)
Vol. (cf)
High Pump Elev. 384290
Low Pump Elev. 359168
Temorary Storage 25122
Digester (Proposed) Volume
Digester (Proposed) Berm Length (FT):
Digester (Proposed) Berm Width (FT):
Digester (Proposed) Berm Slope:
Digester(Proposed)Stage-Storage
Elevation (ft)
Area (sf)
Incr. Vol. (cf)
Cumul. Vol. (cf)
85.95
25284
-
0
86.95
27456
26364
26364
87.95
29700
28572
54936
88.95
32016
30852
85788
89.95
34404
33204
118992
90.95
36864
35628
154620
91.95
39396
38124
192744
92.95
42000
40692
233436
93.95
44676
43332
276768
94.95
47424
46044
322812
95.95
50244
48828
371640
96.95
53136
51684
423324
561001
546121
477936
Digester Treatment Volume:
at High Pump Elevation of:
at Operating Elevation of:
at Low Pump Elevation of:
Elevation (ft)
Cumul. Vol. (cf)
96.2
384290
95.95
371640
95.7
359168
Elevation
Vol. (cf)
Top of Dike Elev. =
97.95
477936
Top of Storm Elev. =
96.88
419353
High Pump Elev. =
96.2
384290
Operating Elev. =
95.95
371640
Low Pump Elev. =
95.7
359168
Planned Sludge Elev. = 87.95 54936
Finished Bottom Elev. = 85.95 0
Historic Rainfall Event
Lagoon
Req'd Capacity*
Lagoon 27519A
470234
Lagoon 27519B
982804
Total
1453038
Lagoon Rainfall Volume (tuft)
Lagoon 27019 35062.5
Lagoon
Total Capacity*
Lagoon 27019
423324
Lagoon 27519A
529296
Lagoon 27519B
1322435
Total
2075055
Volume (cuft)
Required
1453038
Rainfall
35062.5
Total Capacity
2075055
Remaining
586954.5
Usage
7
*Existing lagoon capacities gathered from previous farm permit documentation - designed and signed by M.E. Sugg 11-4-1992
*Req'd Capacity from previous farm permit docs already includes volume from historic rainfall events
*Note: A 25-year storm creates 35062.5 cuft of water. Added to the High Pump Elevation, this raises the water elevation to 96.88 ft.
This provides 12.9 in. of freeboard, meeting the standard 12 in. required per the NRCS Anaerobic Digester standard.

�... (RQE5LEIIW�-
e • henrafACrLAE]Ps • C048 CTOM
27019 - B&C FARMS Digester Narrative
Monarch Bioenergy LLC — Register, NC
Swine RNG Project
A1000 Digester Narrative
R&A Project RA270-23
Issued 240430
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 B&C FARMS Barns 1-2 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 15 hp GEA pump, designed for a flow of 480 gpm (1 pump) through a 6"
HDPE (DR17) force -main into the new anaerobic digester.
Upon flushing, B&C FARMS Barns 3-6 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 7.5 hp GEA pump, designed for a flow of 413 gpm (1 pump) through a 6"
HDPE (DR17) force -main into the new anaerobic digester.
The approximate dimensions of the new anaerobic lagoon digester are 330 feet by 170 feet with a total
volume of 477,936 cubic feet and a treatment capacity of 371,640 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).

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..................................................................................................
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ENGINEERS • MANUFACTURERS • CONSTRUCTORS
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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.
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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.
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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.
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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
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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.
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y� Register, NC RA270-22
RO E S L E I N Anaerobic Digester O&M
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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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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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ENGINEERS • MANUFACTURERS • CONSTRUCTORS
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Anaerobic Digester O&M
Revision: 0
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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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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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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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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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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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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.
Page 14 of 17

s1
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
Page 15 of 17

s1
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.
Page 16 of 17

s1
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. 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. (Refer sample list for Sample IDs)
3. The 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
4. Sampling from a Cross over pipe
a. On opening the valve on cross over 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.
S. 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.
6. Grab a sample from the homogenized mixture to fill the labeled sampling container and put the container cap tightly ensuring a
watertight seal.
7. If the samples are to be stored for more than 2 hours before shipping, store them in a refrigerator preferably 4C or lower.
8. 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.
9. DO NOT STORE SAMPLES IN REFRIGERATORS MEANT FOR FOOD STORAGE
10. 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 (EVAP)
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 sampled for sludge levels once every year.
2. The sludge sampling will be conducted once every four years to determine sludge composition especially Nitrogen,
Phosphorus, potassium, and other micronutrients.
3. This sampling protocol is intended to help evaluate progression of sludge level in the secondary lagoon and its composition
for its agronomic management.
4. 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

DOCUMENT WILL BE FILLED OUT AS
PART OF AS -BUILT SUBMISSION
ROES E N
Location — Monarch Bioenergy — Farm Name, City, State
In the event of an environmental release, there are four critical steps to follow:
1. Stop the flow— attempt to stop the source of the release.
Policy
Spill Response —Policy
Revision: 1
Effective Date: 11/21/2023
• Try to keep the spill from becoming worse. If there is a way to stop the spill or minimize it becoming worse,
take those actions. These may be actions such as closing valves or shutting down a system, depending on
the source.
2. Contain the release.
3.
4
• Take steps to keep the spill from spreading to other areas or entering ditches or freshwater.
• Depending on the situation, this may mean using equipment to create a barrier/berm; putting down some
type of absorbent material or neutralizer; or other materials to create a perimeter.
Report the release immediately to the following:
Name
Title
Phone Number
-
Owner Operator —Farm Name
-
Seth Renfro
Director of Operations
660-654-1656
TBD
On -site Operations Manager
TBD
Jerri Ann Garrett
EHS Manager
660-425-4861
Be prepared to provide the following information when you call:
• Where is the release located (be specific)?
• What kind of release is it (be specific)?
• Approximately how much was released.
• Has the release left the property?
• Has the release encountered surface water, ground water, a drainage tile or intake, or other potentially
freshwater areas?
• Has the source of the release been stopped?
• Is the release contained?
An environmental spill is a discharge of one or more hazardous substances that adversely impact, or threaten to
adversely impact human health, welfare, or the environment and requires and immediate response.
Ensure all discovered environmental releases are reported immediately to Roeslein and Conine Farms.
Hazardous substance releases in which will reach waters of the state must be reported to the state within 8
hours, therefore, it's important to ensure Roeslein and Conine Farms are notified immediately.
Clean up the spill — If the spill was not caused by Roeslein, Conine Farms will be responsible forcleanup.
*Note: There is a passive overflow line from the water management wet well to the evaporation lagoon at 1.5'
freeboard. If the water management pumps are not working, the lagoon effluent will overflow into the
evaporation lagoon.
S. ALL ON -SITE EMPLOYEES SHALL FOLLOW APPLICABLE SECTIONS OF 'COMMON SITE PRACTICES FOR ON FARM
ANAEROBIC DIGESTION SYSTEM'— SEE ATTACHED
Page 1 of 1
https://prideconveymcesys.sharepoint.com/sites/RAESafetyGroup/Shaved Documents/Envim cntal/Milford SFLocations Spill Response Procedures 091423.docx Printed: 9/15/20237:23 AM

Common Safety Practices
for On -Farm Anaerobic
Digestion Systems
December 2011

Safety Practices for On -Farm Anaerobic Digestion Systems
TABLE OF CONTENTS
1.0 INTRODUCTION.......................................................................................................................... I
2.0 SAFETY HAZARDS FOR ANAEROBIC DIGESTION...........................................................1
2.1 GENERAL SAFETY PRECAUTIONS............................................................................. 2
2.1.1 Drowning............................................................................................................... 2
2.1.2 Fall protection........................................................................................................ 2
2.1.3 Burns...................................................................................................................... 3
2.1.4 Entanglement hazard.............................................................................................. 3
2.1.5 Feedstock and digestate spills................................................................................ 4
2.1.6 Mechanical failures................................................................................................ 4
2.1.7 Lockout/Tagout......................................................................................................5
2.1.8 Ignition sources...................................................................................................... 5
2.1.9 Noise levels............................................................................................................6
2.2 CONFINED SPACE ENTRY............................................................................................. 7
2.2.1 Definition............................................................................................................... 8
2.2.2 Confined space training, certification, and rescue plan ......................................... 8
2.2.3 Inspect atmosphere prior to entry........................................................................... 9
2.2.4 Safety equipment.................................................................................................... 9
2.3 HAZARDS ASSOCIATED WITH BIOGAS...................................................................10
2.3.1 Asphyxiants ...........................................
10
2.3.2 Immediately dangerous to life and health............................................................11
2.3.3 Explosion potential.............................................................................................. 11
2.4 ELECTRICAL SYSTEM HAZARDS..............................................................................12
2.4.1 High voltage.........................................................................................................12
2.4.2 Low voltage.........................................................................................................12
2.4.3 Electrical fires...................................................................................................... 13

Safety Practices for On -Farm Anaerobic Digestion Systems
3.0 MAINTAINING A SAFE WORKING ENVIRONMENT.......................................................13
3.1 EMERGENCY ACTION PLAN......................................................................................13
3.1.1 Directions to AD facility......................................................................................14
3.1.2 Contact information.............................................................................................14
3.1.3
Site map...............................................................................................................15
3.1.4
State and local health and safety requirements....................................................15
3.1.5
Equipment vendor manuals..................................................................................15
3.2 SAFETY AND EMERGENCY EQUIPMENT................................................................15
3.2.1
Anaerobic digester facility(onsite)......................................................................15
3.2.2
Locally (able to be onsite within a few hours) .....................................................
16
3.2.3 Baseline environmental conditions......................................................................16
3.3 ELECTRICAL.................................................................................................................. 17
3.3.1 Daily inspections.................................................................................................. 17
3.3.2 Switches, controllers, fuses, and breaker panels..................................................17
3.3.3 Roles of operators................................................................................................18
3.3.4 Visitors on site..................................................................................................... 18
3.4 PERSONAL PROTECTIVE EQUIPMENT.....................................................................18
3.5 ACCIDENT PREVENTION SIGNS AND TAGS...........................................................18
3.6 PERSONNEL TRAINING REQUIREMENTS...............................................................19
4.0 CONCLUSION.............................................................................................................................19
5.0 REFERENCES.............................................................................................................................20

Safety Practices for On -Farm Anaerobic Digestion Systems
1.0 INTRODUCTION
Several safety hazards exist when converting manure and organic residuals (non -farm
feedstock) into energy using anaerobic digestion (AD) technology. These hazards can cause
serious bodily harm and in some
circumstances, can be fatal. Common hazards I Figure 1: Safety signage on AD feed system
associated with AD systems include drowning,
electric shock, and noise exposure. However,
biogas and its constituents, many of which are
colorless and odorless, can unknowingly
expose operators and visitors to hazards such
as asphyxiation and burns due the flammable
nature of methane. Workers must take
proper precautions when handling and storing
organic material and managing the
production of electricity and combustible
gases.
The purpose of this document is to identify
the major hazards associated with an AD
facility and outline basic practices that will
help maintain a safe and successful working
environment. The intended audience for this
guide is owners and operators, and the guide
is not intended to replace safety training or
instruction, but rather enhance it.
2.0 SAFETY HAZARDS FOR
ANAEROBIC DIGESTION
The following sections identify major hazards that can exist with an AD facility. These include:
• General safety precautions
• Hazards associated with biogas
• Confined space entry
• Electrical system hazards
Figure 1 shows a feed hopper for an anaerobic digester with a dozen warning signs, including
fall, entanglement, and explosion potential.
1

Safety Practices for On -Farm Anaerobic Digestion Systems
2.1 GENERAL SAFETY PRECAUTIONS
The following sections describe general safety concerns associated with AD facilities.
2.1.1 Drowning
Liquid tanks and ponds for storage pose a drowning threat.
Whenever a drowning potential exists, ring buoys, ropes, or
ladders should be readily available for rescue purposes
(Occupational Safety and Health Administration [OSHA],
2002). The drowning risk is highest when employees are
servicing equipment located in digester or storage tanks.
Accidental drowning can occur when people unfamiliar with
the farm and manure handling system mistakenly enter
storage structures. Slipping on a synthetic liner or walking
on crusted manure storage are examples of situations that
can lead to accidental drowning. OSHA suggests posting
signs similar to the one shown in Figure 2 and erecting
fences around manure storage structures to reduce the
potential of an individual or animal unknowingly entering
one.
Figure 2: Manure storage
warning sign in English and
Spanish
LIQUID
MANURE
STORAGE
ALMACEMAJ E
DE ETIt-ROL
00U.111120
Jrs_
If an individual is drowning, the first step should be to call 911, followed by a rescue attempt
using a life preserver, rope, or ladder. The presence of biogas—an asphyxiant that can cause a
person to pass out —can increase the potential of manure storage drowning. (Biogas hazards
are discussed in greater detail in Section 2.3.) Individuals attempting to rescue a drowning
individual should never enter a manure storage structure because they could also be overcome
by the poor air quality.
2.1.2 Fall protection
Serious injuries can result from falls of any distance. When possible, employees should perform
maintenance work from the ground. At most AD facilities, however, multiple elevated locations
are present. For example, equipment on the top of aboveground AD tanks are 10 to 25 feet off
the ground. According to the OSHA general industry standard any "time a worker is at a height
of four feet or more, the worker is at risk and needs to be protected" (OSHA, 2008A). Fall
protection, such as guardrails, a safety harness (also discussed in Section 2.2.4), and self -
retracting lifelines, should be used when an employee is above the 4-foot threshold (API, 2006).
The enclosed fixed ladder and guardrail system on the feedstock storage tank shown in Figure 3
complies with OSHA fall protection standards.

Safety Practices for On -Farm Anaerobic Digestion Systems
Another common example of a fall risk is shown in
Figure 4, where a ladder is leaned against a feedstock
storage tank. The two concerns with the situation
presented in Figure 4 are: (1) the tank height is
approximately 10 feet and (2) there are no securing
devices or slip resistant feet on the ladder, nor is
there a rope to secure the top. When ladders are
used to access elevated equipment, they should be
secured and supervised at all times. Once the ladder
is no longer needed, it should be removed.
2.1.3 Burns
Throughout an AD facility, pipes containing hot fluids
or exhaust gas can pose potential burn hazards.
Other potential sources of burns are heat exchangers,
boilers, pumps, or engine generators, where
temperatures can exceed 160°F. Simply rubbing up
against a heat exchanger or accidently placing a hand
on a hot pipe can result in serious burns. All
Figure 3: Permanent ladder and
guardrail on feedstock storage tank
employees and visitors to the AD facility should be cautioned not to touch any equipment or
pipelines.
When possible, hot surfaces should be identified as burn hazards, and all pipes should be
clearly labeled to indicate the contents,
Figure 4: Ladder leaning on feedstock storage
tank
flow direction, temperature, and pressure.
Insulation should be used to encase the
pipe and reduce the potential for
accidental burns. Figures 5 and 6 provide
examples of pipeline insulation and
labeling.
2.1.4 Entanglement hazard
Pumps, augers, impeller mixers, chains,
drive shafts, and other machinery pose
entanglement hazards due to pinch points
and other moving parts. In most AD
systems, the primary exposure to
entanglement is the unguarded driveshaft
3

Safety Practices for On -Farm Anaerobic Digestion Systems
of a pump. To reduce the entanglement risk,
all equipment safety guards should be in
place and individuals should tie back long
hair and avoid wearing loose -fitting clothing
and jewelry.
2.1.5 Feedstock and digestate spills
Figure 5: Insulated and labeled hot water
pipes
Feedstock (any organic material entering the eYi URN
digester) and digestate (any material exiting E
the digester) should be carefully transferred
and contained. In the event of a major ` I
feedstock or digestate spill, workers should
exercise caution when containing the f --
material. The first step should be to control pp��
the source causing the spill. Once this is'55'°`U°
achieved, workers should contain the spill by V
constructing temporary containment
structures around the affected area. Excavation equipment such as bulldozers and backhoes
should be readily available for this purpose. Isolating the spill reduces potential damage to
nearby buildings and contamination of surface
Figure 6: Biogas pipeline indicating waters and sensitive areas. After containing the
temperature and flow direction spill, the facility should notify the proper
authorities (as defined by state -specific permits), to
comply with all applicable local, state, and federal
regulations. For non -farm feedstocks, such as food
waste, the spill -reporting agency should be clearly
identified on all records related to the material,
including material safety data sheets (MSDS) and
manifest logs indicating the date, quantity, and
material (feedstock) brought onto the farm. The
final step in spill response is site cleanup and
restoration.
2.1.6 Mechanical failures
In the event of a mechanical failure, workers should reference the vendor manuals to
troubleshoot the issue. Vendor manuals for mechanical machinery should be organized and
included in the emergency action plan, which is discussed in Section 3.1. Only trained staff
4

Safety Practices for On -Farm Anaerobic Digestion Systems
should be permitted to repair digester equipment. Operators should use lockout/tagout
procedures (see Section 2.1.7) during all mechanical equipment repairs.
To avoid mechanical failures, the system operator, with support from the technology provider,
should develop a preventative maintenance manual for the site.
2.1.7 Lockout/ragout
According to OSHA standard 29 CFR 1910.147,
lockout/tagout refers to the specific "practices and
procedures to safeguard employees from the
unexpected energization or startup of machinery and
equipment, or the release of hazardous energy during
service or maintenance activities" (OSHA, 2007A).
Simply stated, before an employee services a piece of
electrical equipment, the power supply should be
turned off and the employee should place a padlock on
the power supply. The padlock serves to prevent
someone else from accidently re -energizing the
equipment being serviced. The lock should have a tag
on it identifying the individual who locked out the
Figure 7: Electrical panel turned off
and locked out
equipment. In Figure 7, one of the four electrical breakers shown is turned off (disengaged) and
locked out. Once a piece of equipment has been locked out, the only individual with the
authority to unlock that piece of equipment is the person who initially locked it out.
Employees should follow this practice every time they service any electrical or electrically
powered equipment. OSHA estimates that compliance with lockout/tagout procedures
prevents an estimated 120 fatalities and 50,000 injuries each year in the United States (2007A).
2.1.8 Ignition sources
Biogas generated during anaerobic digestion is flammable. Over the past couple of years,
several AD systems have been damaged or destroyed by fires fueled with biogas. While no
specific setbacks or standards have been established for biogas, facilities should observe
standards for similar systems. The National Fire Protection Association (NFPA) has established a
range of setback distances for liquid propane (LP) fuel based on storage capacity (2009). For LP
gas, the setback ranges from 10 feet for small storage devices (<500 gal water capacity) to 100
feet for large storage systems (>70,000 gal water capacity).

Safety Practices for On -Farm Anaerobic Digestion Systems
Smoking and open flames should be prohibited in
the general vicinity of the digester and a setback
distance of 25 to 50 feet is suggested for all
possible ignition sources to reduce the potential
for fire or explosion. Ignition sources can include
(but are not limited to) light switches, electric
motors, pilot flames, and cell phones. Facilities
should designate smoking areas at least 50 feet
from the digester system to ensure that visitors
and employees do not inadvertently create an
ignition source. Signs, like the one shown in Figure
8, should also be used to warn all individuals of
the explosion or fire risk associated with AD
systems.
The National Electric Code (NEC, 2005) dictates
that electrical wiring near combustible gas must
conform with the Class 1, Division 1 hazardous
location standard. Biogas is combustible, so the
Figure 8: Explosion potential sign
hazardous location standard should be applied to AD systems' electrical wiring.
For repairs requiring open flames or electric spark, ventilation should be provided such that
methane levels are maintained below a safe level, as discussed in Section 2.3.3.
Figure 9: Gen set enclosure with hearing
protection warning sign
2.1.9 Noise levels
Exposure to high levels of noise can
result in discomfort or short-term
hearing loss. In extreme cases, or if the
noise exposure occurs over a long
period of time, permanent hearing loss
can occur. The main source of high
noise levels is the engine generator set
(gen set). Actual decibel (dB) levels
produced at an AD facility will differ due
to varying acoustical settings, but a gen
set can produce between 100 —140 dB
(Fenton, 2011). The facility is required
to supply noise protection devices, such
N.

Safety Practices for On -Farm Anaerobic Digestion Systems
as earplugs, to employees and visitors who are exposed to high noise levels (OSHA, 200813) (See
Table 1). Handheld decibel meters are widely available and provide an inexpensive method to
quickly determine the noise level. Also, OSHA encourages posting signs indicating "hearing
protection is required in this area." (See Figure 9).
Table 1: Safe maximum allowable decibel level (OSHA, 2008B)
Duration per day (hours)
Sound level (dB)
(as measured with a sound level meter set on slow response
8
90
6
92
4
95
3
97
2
100
1.5
102
1
105
0.5
110
0.25
115
2.2 CONFINED SPACE ENTRY
Constituents of biogas, including carbon dioxide, methane, and hydrogen sulfide, present the
potential for both asphyxiation and fire or explosion in confined spaces. It is important to
remember that even a few gallons of manure or other organic material in a tank or confined
space can pose a serious health risk under
Figure 10: Basic confined space warning sign
the right conditions. A recent example of
confined space entry fatality occurred in
July of 2010 when two farm employees died
while cleaning a storage tank similar to the
one shown in Figure 4 (Michigan
Department of Energy, Labor and Economic
Growth [MEDLEG]). Signs should be used to
alert employees and visitors when confined
space entry risks exist. Figure 10 shows an
example of a standard confined space
warning sign. The following background
PELIGR
"Elm:
CONFINED
SPACE
ESPACIO LIMATADO
information and guidelines are intended to promote a safe working environment when
confined space is involved.
7

Safety Practices for On -Farm Anaerobic Digestion Systems
2.2.1 Definition
"Confined space" is defined by OSHA as "having a limited or restricted means of entry or exit;
large enough to bodily enter and perform tasks; and lastly, not designed for continuous
occupancy." Currently, state -by -state standards vary for permit -required confined spaces
training for agriculture; however, confined spaces are widely recognized as a common hazard.
Confined spaces include, but are not limited to, tanks, pits, silos, underground vaults, storage
bins, and manholes (MDELEG, 2010).
2.2.2 Confined space training, certification, and rescue plan
Employees associated with AD systems or who manage organic residuals MUST be trained in
confined space entry to maintain a safe working environment (Gould, 2010). Several cases have
resulted in fatalities due to a lack of understanding of the hazards associated with confined
spaces. As discussed earlier, two farm employees died when they were overcome by a lack of
oxygen while cleaning a feedstock storage tank (MDELEG, 2010). The employees were power
washing a tank that contained only 6 to 8 inches of molasses residue, which had sat unused for
five to six months. By conducting basic employee education and strictly adhering to OSHA
confined space entry guidelines, facilities can provide a safe working environment for farm
employees.
Currently, OSHA does not require farms to offer
specific training for confined space entry;
however, it is the employer's responsibility to
educate employees in order to maintain a safe
working environment. When entering a confined
space, the "buddy system" should be used, in
which any person entering a confined space is
monitored from a safe distance by a second
person. The employee entering the confined
space must wear a harness attached to a
retraction device that the second employee can
activate to pull the individual to safety in an
emergency.
The facility should develop a rescue plan for
emergency confined space entry situations. This
plan should describe the use of the safety
Figure 11: Handheld multi -gas detectors
a
pq
Images fro m Goo gle images
equipment in emergency situations, the actions to be taken, and the personnel responsible for
each action. The plan may also include training and certification information.
RI

Safety Practices for On -Farm Anaerobic Digestion Systems
2.2.3 Inspect atmosphere prior to entry
Before entering a confined space, a worker must test the atmosphere inside the space, as
required by OSHA general industry standard 1910.146 (1998). The person can perform this
testing using a handheld multi -gas detector capable of detecting oxygen, carbon monoxide,
hydrogen sulfide, and lower explosive limits (LEL) levels. Several models of multi -gas detectors
are shown in Figure 11. When testing the atmosphere within a confined space, the employee
should remain outside in a safe location. Many multi -gas detectors are equipped with an
extension hose for this purpose.
In compliance with standards (OSHA, 1998), the employee should test for the following:
Oxygen level: above 19.5 percent by volume air
2. Methane: below 5 percent by volume of air
3. Hydrogen sulfide level: below 20 parts per million (ppm)
If any of the above conditions are not met, the atmosphere is deemed hazardous and should
not be entered by any personnel until forced ventilation has eliminated the hazardous
conditions. During entry, continuous ventilation with an explosion -proof blower will ensure that
fresh air is displacing any hazardous air that may be trapped in the confined space. Workers
must maintain and calibrate this equipment
according to the manufacturer's
recommendation in order to effectively monitor
atmospheric conditions.
2.2.4 Safety equipment
When entering a confined space, an employee
should wear a safety harness attached to a
winch or pulley outside of the pit. Examples of
safety harnesses and a winch are shown in
Figure 12. This safety precaution, allows a
coworker to assist a trapped employee without
having to enter the space in the event of an
emergency.
A self-contained breathing apparatus (SCBA)
should be used only in emergency situations.
Figure 12: Safety harnesses, ropes, and a
chain fall at an AD facility

Safety Practices for On -Farm Anaerobic Digestion Systems
Figure 13 shows a basic backpack -style SCBA with fitted facemask. Any employee using a SCBA
must be properly trained and fitted for using the equipment. For an individual to become
certified in confined space entry, they should consult the
State approved OSHA administration.
2.3 HAZARDS ASSOCIATED WITH BIOGAS
AD biogas is composed of three main constituents:
methane, hydrogen sulfide, and carbon dioxide. Each of
these gases can be dangerous under certain circumstances.
Common hazards associated with biogas include
asphyxiation and fire or explosion potential.
Overall, it is always a good idea to test the atmosphere
when biogas may be present as well as maintain proper
ventilation. Workers can use a handheld multi -gas detector,
similar to one of those shown in Figure 11, to determine if
hazardous levels of biogas are present. Low-cost detectors
will simply identify dangerous level of biogas, while higher
end detectors can report specific concentrations of the
primary biogas components.
2.3.1 Asphyxiants
Gases that prevent the uptake of oxygen into human cells
Figure 13: Self-contained
breathing apparatus
Irnage fro rnhttlX;' ,-r::::.enriSUPPI .corn/
are referred to as asphyxiants. There are two categories of
asphyxiants: simple and chemical. A simple asphyxiant displaces oxygen, and chemical
asphyxiants "reduce the body's ability to absorb, transport, or utilize inhaled oxygen.
Asphyxiants are often active at very low concentrations (a few ppm)" (Lawrence Berkeley
National Laboratory, 2008). Asphyxiant gases are present wherever there is storage of an
organic material; therefore, manure pits or any other areas for organic material storage
become potentially dangerous. Following are the various asphyxiants that are typical
constituents of biogas.
• Simple asphyxiants —carbon dioxide and methane
• Chemical asphyxiants — ammonia and hydrogen sulfide
10

Safety Practices for On -Farm Anaerobic Digestion Systems
2.3.2 Immediately dangerous to life and health
Within confined spaces and other covered areas, the potential exists for atmospheric
concentrations to develop that become immediately dangerous to life and health (IDLH). An
IDLH condition can be defined as an atmospheric concentration of any toxic, corrosive, or
asphyxiant substance (simple or chemical) that "poses an immediate threat to life or would
cause irreversible or delayed adverse health effects or would interfere with an individual's
ability to escape from a dangerous atmosphere" (OSHA, 2008C). Following are the main IDLH
concerns when handling the production of biogas (Center
for Disease Control and Prevention, 1995).
• Oxygen deficiency — less than 19.5 percent by
volume air
• Hydrogen sulfide — more than 100 ppm
• Ammonia — more than 300 ppm
• Carbon dioxide — more than 40,000 ppm
Signs similar to the one shown in Figure 14 should be used
to alert employees and visitors of the potential for IDLH
conditions. Areas prone to these conditions include
structures housing the gen set or boiler, below grade pump
chambers, and biogas storage devices.
Figure 14: Sign indicating IDLH
potential
DEADLY MANURE GASES POSSIBLE
DEATH
MAY BE IMMEDIATE!
ENTER PITONLY WITH:
• SELF-CONTAINED AIR SUPPLY
• VENTILATION
• RESCUE HARNESS, MECHANICAL
LIFT, STAND-BY PERSON
A simple and convenient way to ensure the safety of an area's atmosphere is by installing a
wall -mounted sensor that can detect hazardous gases (e.g., methane, LEL, hydrogen sulfide,
carbon monoxide). In the event that a hazardous gas sensor is triggered, the emergency action
plan (see Section 3) should be implemented.
2.3.3 Explosion potential
Methane, the main component of biogas, is flammable
when it mixes with air. Upper and lower explosive limits
(LEL) are established to provide an identifiable range of
concentrations that will produce a flash fire when an
ignition source is presented. The LEL is often referred to as
a flammable limit. For methane, the lower and upper
explosive limit is 5 percent and 15 percent by volume of
air, respectively (Linde Gas LLC, 1995).
Figure 1S: Safety signs posted
at AD facility
11

Safety Practices for On -Farm Anaerobic Digestion Systems
2.4 ELECTRICAL SYSTEM HAZARDS
The generation of large quantities of electricity at an AD facility creates electrical hazards, most
of which can be found near the gen set, transformer, and electrical panels. The only personnel
with the authority to service and repair electrical systems are licensed electricians. In addition,
the facility should post signs identifying general electrical hazards near the electrical generation
system (see Figure 15 for an example of basic signage).
2.4.1 High voltage
Any electrical source above 600 volts is
considered high voltage (NEC, 2005). Typically,
transmission lines from the transformer are the
source of the highest voltage on a farm. A
transformer is a piece of machinery used to
increase the voltage, allowing for more efficient
transport of the electricity. When dealing with
such high voltage, the main hazard is contact
with exposed leads, which could be fatal. Figure
16 shows exposed lead transformers commonly
used on utility poles. Ground -mounted
transformers used on farms and at AD facilities
are typically enclosed like the one shown in
Figure 16: Standard electrical
transformer with exposed leads
Figure 17. Enclosed transformers should remain sealed
Figure 17: Enclosed electrical and locked at all times, and only a licensed electrician
transformer should perform transformer maintenance.
V; 2.4.2 Low voltage
All electrical sources less than 600 volts are considered
-----E n low voltage (NEC, 2005). Typically, switches,
- controllers, fuses, breakers, wall outlets, and electrical
panels are considered low -voltage devices. One major
hazard associated with electrical panels is arcing, which
" occurs when electricity from an energized source
jumps a gap of air and discharges into an adjacent conductive surface, typically metal. If an
individual happens to be in the pathway of the arc, they can be seriously burned or killed. Cover
plates are used to contain arcing by shielding the employee from any potential harm.
Therefore, the facility should ensure that the proper cover plates are intact and correctly in
place on the panel or outlet.
12

Safety Practices for On -Farm Anaerobic Digestion Systems
2.4.3 Electrical fires
In the event of an electrical fire, the person fighting the fire should use an ABC classified multi-
purpose fire extinguisher rather than a water -based fire extinguisher, which could result in
electrocution. If possible, the electricity should be shut off to the facility before fighting the fire.
The facility should train operators to identify the difference between electrical fires and
ordinary combustible fires (Wallenwine, 2011).
3.0 MAINTAINING A SAFE WORKING ENVIRONMENT
AD facilities can provide a safe working environment, as long as proper safety measures are
taken. The following sections present recommended steps for maintaining a safe working
environment at AD facilities, adapted from the self -assessment guide prepared by Nellie Brown
(2007), titled "Conducting a Safety Walk-through on a Farm: Hazards of the Manure Handling
System, Anaerobic Digester, and Biogas Handling System" and the emergency action plan
requirements of the National Pollution Discharge Elimination System (NPDES) program.
3.1 EMERGENCY ACTION PLAN
In most states, AD facilities are required to have emergency action plans (EAP) as part of their
NPDES permits. A major objective of an EAP is to develop response protocols to specific
emergencies so that if an accident occurs the facility will conduct the appropriate actions in the
correct sequence. As a general recommendation, each situation should be broken down into
the following components.
Assess the extent of damage in the following order:
a. Human health
b. Environmental health
C. Mechanical integrity
2. Correct the problem immediately if possible.
3. Contact the appropriate agencies and personnel to resolve the problem.
The contents of an EAP should be well organized in a binder or an electronic file and distributed
to all employees so that they are informed of the proper safety protocols. The facility should
provide local emergency departments with a copy of the EAP and invite them for a tour of the
operation so they can become familiar with the facility. Also, the facility should post a copy in a
highly visible area where visitors enter the facility.
13

Safety Practices for On -Farm Anaerobic Digestion Systems
To maintain an effective EAP, the facility should perform an annual review of the document to
keep it up to date. Conducting annual training sessions will ensure that employees have a basic
understanding of the EAP. The following sections present the recommended content to be
included in an EAP.
3.1.1 Directions to AD facility
Often, the AD facility is not clearly visible from the main road, especially if it is located in an
agricultural setting. Therefore, detailed driving directions from the closest major road,
intersection, or town to the physical location of the AD facility should be included in the EAP.
3.1.2 Contact information
The EAP should provide a list of emergency and non -emergency contacts, including the job title
and cell phone number of each person. Recommended contacts are:
• Farm or AD owner
• AD operators
• Emergency and nonemergency responders
o Fire department
o Poison control
o Law enforcement
o Hospital
• Electric and gas utilities
• Contractors
o Electrical
o Excavation
o Mechanical
• State health and safety officials
Contact information should identify the appropriate after-hours emergency contact
information as well. The contact list should be posted in multiple locations throughout the AD
facility and farm so that in the event of an emergency, there is quick and easy access to this
information. It is important that the contact list be updated routinely to make sure all
information is current.
14

Safety Practices for On -Farm Anaerobic Digestion Systems
In many rural locations, calling 911 may not be the best method for reaching emergency
responders. On an annual basis, the AD operator or owner should host a site tour with the local
fire, ambulance, and sheriff departments. The purpose of this tour would be to familiarize
emergency responders with the site and system, as well as identify the most direct contact
method in the event of an emergency.
3.1.3 Site map
The EAP should include a detailed site map that identifies and labels relevant structures and
major equipment (e.g., flare, gen set, boiler) at the AD facility, as well as the location of
emergency equipment. It should also clearly identify the locations of biogas supply shutoff
valves and the primary electrical disconnect and control panel.
3.1.4 State and local health and safety requirements
The EAP should include the federal and state health and safety regulations for the facility, as
well as all OSHA documents, guidelines, and certifications, including confined space entry
training documents. In addition, MSDS for non -farm feedstock and any chemical or biological
additives should be included in the EAP and posted at the facility so that employees can have
quick access to the information.
3.1.5 Equipment vendor manuals
The EAP should include the vendor manuals for all equipment at the AD facility. These materials
should be well organized so that in the case of a mechanical failure, an operator can locate and
reference a specific vendor manual quickly and easily.
3.2 SAFETY AND EMERGENCY EQUIPMENT
The following sections list recommended supplies and equipment an AD facility should have
available for normal daily operation or in the event of an emergency. The list is divided into
supplies and equipment to be maintained on site, so employees can access it within minutes,
and equipment that should be locally available and could be delivered to the site within a few
hours. A logbook of equipment inspections and expiration dates and the equipment manuals
should be located with the safety equipment.
3.2.1 Anaerobic digester facility (onsite)
• Personal protective equipment
o Gloves
o Safety glasses
15

Safety Practices for On -Farm Anaerobic Digestion Systems
o Hearing protection
o SCBA (provided employees are properly trained and fitted for using the
equipment).
• First aid kit
• Fire extinguishers (ABC)
• Explosion -proof instruments (e.g., flashlight, ventilation blower, hand tools)
• Rigging equipment for rescue of a person
o Hoist, winch, or pulley
o Safety harness
• Multi -gas detector with extension hose
• Ring buoy
• Shovel
3.2.2 Locally (able to be onsite within a few hours)
• Excavation equipment (e.g., bull dozer, backhoe, excavator)
• SCBA and trained individual
3.2.3 Baseline environmental conditions
During startup and for the first 6 to 12 months of use, operators should collect operational
parameters and air quality measurements around the AD facility on a weekly basis to establish
baseline/normal operating conditions. Basic operational parameters should include pressure
and temperature readings on pipelines where gauges are installed. Using a handheld multi -gas
meter, employees should check the air quality inside all structures or rooms, along with the
conditions in below -grade pump chambers, near the base of digester tanks, and along biogas
pipelines. At a minimum, the concentration levels of hydrogen sulfide, carbon monoxide, and
methane should be measured and recorded. By establishing baseline operating conditions, the
AD operator has a point of reference for troubleshooting operational problems and
determining when hazardous conditions are developing or already exist.
16

Safety Practices for On -Farm Anaerobic Digestion Systems
3.3 ELECTRICAL
The following section provides common practices to help maintain safety by reducing the
potential for electrical hazards that may occur at an AD facility.
3.3.1 Daily inspections
The AD facility should instruct operators to perform
daily inspections of the electrical system. This
inspection should include, but not be limited to, the
following:
• Conduit connections to panels
• Panel cover integrity
• Conduit integrity
• Exposed and damaged wires
• Corrosion of wires
• Signs of electrical overheating
If there is any sign of the aforementioned problems,
operators should contact the site manager or a
licensed electrician to resolve the issue. Figure 18
shows a corroded electrical control panel that an
Figure 18: Corrosion on an electrical
control panel
operator should identify for repair during daily inspections. The operator should not attempt to
fix the problem unless he or she is the appointed licensed electrician for the facility.
3.3.2 Switches, controllers, fuses, and breaker panels
Electrical panels should not be obstructed by any object that would impede the accessibility of
the panel itself. For example, temporarily placing a 55-gallon drum below a circuit breaker or
installing a pump below a control panel would impede accessibility. Moreover, electrical panels
should always be visible so that emergency responders can locate them easily. This becomes
imperative when an electrician unfamiliar with the facility needs to turn off the power quickly
in an emergency situation.
All electrical panels should be well labeled and include an accurate, up-to-date copy of the
wiring diagram (Wallenwine, 2011). Additional copies of the wiring diagram should be
maintained off site and digitally in the event that a copy is lost, damaged, or destroyed. The
facility should check the local electrical code to determine the clearance required around the
electrical panel.
17

Safety Practices for On -Farm Anaerobic Digestion Systems
3.3.3 Roles of operators
An operator inspects and observes any defective electrical problems but does not perform any
electrical maintenance. A licensed electrical engineer appointed by the AD facility is responsible
for maintenance and repair of electrical problems.
3.3.4 Visitors on site
Unattended facilities associated with the AD system should be locked to limit risk to individuals
unfamiliar with the surroundings and to ensure that the system continues to operate efficiently.
Employees familiar with the AD system should escort visitors at all times. Visitors to an AD
facility are not to operate any switches, controllers, or other electrical functions, including light
switches.
3.4 PERSONAL PROTECTIVE EQUIPMENT
Personnel at an AD facility should be provided with proper -fitting personal protective
equipment (PPE). The employer is responsible for communicating and educating the employees
on the proper use of PPE (OSHA, 20076). At a minimum, OSHA recommends protective gloves,
splash -proof goggles, hearing protection, and steel toe shoes for employees associated with the
digester system. For visitors to the facility, safety glasses and hearing protection should be
available and worn while on site.
3.5 ACCIDENT PREVENTION SIGNS AND TAGS
Accident prevention signs and tags should be visible at all times when work is being performed
where a hazard may be present and should be removed or covered promptly when the hazards
no longer exist. Also, caution signs should be designed to be understood by non-English
speakers. The EAP should include resources documenting where proper signs or tags can be
obtained for potential facility hazards. A variety of OSHA -approved accident prevention signs
are shown in Figure 19.
Figure 19: OSHA accident prevention signs
i
i
R
AUTHORIZED
Mrice aarrr
KEEP HANDS
NO SMOKING
EYE PROTECTION
REQUIRED
D0HHaoE
CLEAR
OP N FLAMES
NONO
PERSONNEL ONLY
PERSONNEL ONLY
SPARKS
18

Safety Practices for On -Farm Anaerobic Digestion Systems
3.6 PERSONNEL TRAINING REQUIREMENTS
Annually, the facility should review the EAP with all employees associated with the AD system
and new hires should go through safety and system operation training before being permitted
to work at the AD facility. In addition, owners of systems should be aware of OSHA
requirements and comply with employee training requirements.
4.0 CONCLUSION
Anaerobic digestion provides a real opportunity to address farm -related environmental
concerns, generate renewable energy, and diversify farm products. It is important to realize,
however, that AD systems pose unique challenges and safety risks not experienced on typical
farms. These risks can be mitigated by practical measures, including educating employees about
the risks associated with the system, implementing strict safety procedures, and having a
detailed and up to date EAP that employees are familiar with. Ensuring a safe environment
around the AD facility will protect employees and visitors while enhancing the overall
performance of the digester.
19

Safety Practices for On -Farm Anaerobic Digestion Systems
5.0 REFERENCES
American Petroleum Institute (API). 2008. "Fall Protection for Above Ground Storage
Tanks".
http://www.api.org/ehs/health/safetank/Ioader.cfm?urI=/commonspot/security/getfile.cf
m&amp;Pagel D=31330. Date accessed: May 19, 2011.
2. Brown, Nellie. 2007. Conducting a Safety Walk-through on a Farm: Hazards of the Manure
Handling System, Anaerobic Digester, and Biogas Handling System (A Self -Assessment
Guideline for Farmers). Cornell University. Manuals and Users Guides. Paper 13.
http://digitalcommons.ilr.cornell.edu/cgi/viewcontent.cgi?article=1012&context=manuals
. Date accessed: May 10th, 2011.
3. Center for Disease Control and Prevention. 1995. "Documentation for Immediately
Dangerous To Life or Health Concentrations (IDLHs), Chemical Listing and Documentation
of Revised IDLH Values." http://www.cdc.gov/niosh/idIh/intrid14.htm1. Date accessed:
May 16, 2011.
4. Fenton, Mike. Email correspondence. Michigan Caterpillar Power Systems. May 18, 2011.
5. Gould, C. and M. Crook. 2010. "Michigan On -farm Anaerobic Digester Operator
Handbook." Michigan State University Extension. Pages 75-77.
6. Lawrence Berkeley National Laboratory. 2008. "Chemical Toxicology Overview."
http://www.lbl.gov/ehs/chsp/html/toxicology.shtml. Date accessed: May 16, 2011.
7. Linde Gas LLC. "Methane, Compressed Material Safety Data Sheet." Date accessed: May
12, 2011. http://www.orcbs.msu.edu/msds/linde_msds/pdf/040.pdf
8. Michigan Department of Energy, Labor and Economic Growth (MEDLEG). 2010. MIOSHA
Inspection #308878636: General Industry Safety and Health Division Yankee Springs Dairy
Inc. (Double Fatalities 7/12/10).
9. Michigan State University Extension. Emergency Action Planning for Michigan For -Hire
Manure Applicators.
10. National Electric Code (NEC). 2005. National Electric Code Handbook.
11. National Fire Protection Association (NFPA). 2009. Fire Safety Analysis Manual for LP -Gas
Storage Facilities. Based on the 2008 Edition of NFPA 58 Liquefied Petroleum Gas Code
12. Occupational Safety and Health Administration (OSHA). 2008A. "Fall Protection."
http://www.osha.gov/SLTC/fallprotection/index.html.
13. Occupational Safety and Health Administration (OSHA). 2008B. "Occupational Noise
Exposure." Standard 1910.95.
http://www.osha.gov/pIs/oshaweb/owadisp.show_document?p_table=STANDARDS&p_id
=9735.
20

Safety Practices for On -Farm Anaerobic Digestion Systems
14. Occupational Safety and Health Administration (OSHA). 2008C. "Respiratory Protection".
Standard 1910.134.
http://www.osha.gov/pIs/oshaweb/owadisp.show document?p table=STANDARDS&p id
=12716.
15. Occupational Safety and Health Administration (OSHA). 2007A. "Control of Hazardous
Energy." Standard 1910.147.
http://www.osha.gov/SLTC/controlhazardousenergy/index.html.
16. Occupational Safety and Health Administration (OSHA). 2007B. "Personal Protective
Equipment." Standard 1910.132.
http://www.osha.gov/pIs/oshaweb/owadisp.show document?p table=STANDARDS&p id
=9777.
17. Occupational Safety and Health Administration (OSHA). 2002. "Accident Prevention Signs
and Tags." Standard 1926.200.
http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_id=10681&p_table=STA
N DARDS.
18. Occupational Safety and Health Administration (OSHA). 1998. "Permit -Required Confined
Spaces." Standard 1910.146.
http://www.osha.gov/pIs/oshaweb/owadisp.show document?p table=STANDARDS&p id
=9797.
19. Wallenwine, Steve. Personal correspondence. Consumers Energy. May 20, 2011.
21

EPA United States
Bf
Environmental Protection
Agency
Office of Air and Radiation, Mail Code 6207J
www.epa.gov
EPA-xxx-x-xx-xxx
December 2011

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 to the production of FIRMs for adjacent
jurisdictions may result in slight positional differences in map features across
jurisdictional boundaries. Theso 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.ntls.noaa.gov.
North Carolina Geodetic Survey County Average Vertical Datum Offset Table
121 West Jones Street County Vanical Datum offset Ift1
Ralagh, NC 27601 I]uplin - o.s4
[phone]
v+►vvw. ices. state. nc. u s
Example: NAVD se - NGVD 29 1 1-0.94) 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.
w 4Wt o A Rr
y G
a
•.... FLSJA s i:ucwer,tr �naTrlea "�� �y�•
►' aw.•+ �NFI ,Fret
This digital Flood Irsurance 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 s i n m--
the costs associated ths s demonstrated by the States ca
mitment to map floodplain areas at the local level_ As a part of this effort, the
State of North CarolinaIIna has fainod in a Coop
orating Technical State
t3 agreement
with FEMA to produce and maintain this digital FIRM.
wvvw.ncfloodmaps.com
??*SS' DO-
2 320 000 FEET
420 floc FEET
ZONE X
,y
•7 S Lij i '
5.jain�T li v)d }
�a� 3eo 1
`r�'
JsV
ZONE X
= Stu=<:rr:x
01
-+�
v �1
i
r _
L
34.53. 00,
3t3trl coo "' -
TIM
K -r
r
v -
Z
f
ZONE X%
34.52' 00
3E1rI� r -
406 000 FEET
34. 5 r oo •
3860 L17C M
400 000 FEET
2 320 000 FEET 232 M
'34 Ow M
ZONE AE- .
. ryt_A
f
ZONE X
2 325 000 FEE]
Aim.:
EI
JOINS PANEL 3422
7i•5400- 77.53.00"
2 335 000 FEET
for ofa •� r�
- � k to
ZONE AE -
' '' �',. ... - ,. _-. _ .,�.�,_;�,.•. ZONE X
ZONE AE
� r
ZONE AE
ZONE X
ZONE Xi
hf:I•L WF;LI. CRI—'FK
ZONE X
Duplin County
Uninc orporatcd Arcas
370083„
ZONE X
�r r
i� ..o. w+.+......... �. .. r.r„ kit
• �:. �_. =ll,...ier Yea Y
4,1? PROPOSED
r�
'1 DIGESTER SITE
zoNl X
W, D�
,. ,
234 Do--" 236 o00 +w
2 340 OOO FEET
T7.52'00-
238 ooD V
420 000 FEET
415 000 FEET
3954 GX N
34.53.00,
' x
rr
t ZONE X
ZONE AE
ZONE X
A
J
w
Z
-ZONE X
34•S2.00-
- MUM x
01
34.51.00•
- }, •,>; � . k' � ,�! � sae°
Ow
400 00D FEET
2 340 ow FEET
77. 56, 00"
T7. 55' 00• T7.54. 00• T7.53. 00'•
JOINS PANEL 3328
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
Refer to listing of Map 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 flooa hazard information.
these new stream channel configurations. As a result, the Flood Profiles and Floodway
To obi/or in more d
To obtain more detailed infarwnation in areas where Base flood Elevations [BFF s1
Base map information and geospetial data used to develop this FIRM were obtained from
Data tables in the Flood Insurance Study report (which contains authoritative hydraulic
EFFECirvE DATE OF FLOOD INSURANCE RATS" MAP PANEL
have been determined, users are encouraged to consult the !:load
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 W 2006
Prafifss, 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
1;10,retions tables contained within the Flood insurance Study (FISI report that accosnpanzes
Dupltn County. The time period of collection for the imagery is 1999. information and
Please refer to the separately printed (flap index for an overview map of the county
EFFECTIVE DATE(Sl OF REVLSl0r4(S) TO 7HIS PANEL
geDspatial data supplied bthe local that reel FFMA base map specifiCelrons
showing the layout of me p panels, community map repository addresses, and a Listing of
this FIRM. Users should be aware that 8FEs shown on the 1:1RM represent rounded
were considered the prefvrrod source for dcvclopmont of the bast 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
only and should not be used as the sole source of flood elevation information. Accordingly,
metadata for the associated digital FIRM for additional information about base map
as well as a listing of the panels on which each community is located.
flood elevation data presented in the FIS report should be utilized in conjunction with
preparation.
It you have questions about this warp. or questions cancoming the National Flood
the FIRM for purposes of construction and/or floodplain management.
BaSe reap features shown on this map, such as corporate limits. are based on the
Insurance Program in general. please call1-877-FENA KAPil- 877-336-2S27)or visit the
Boundar�es of regulatory floodways shown on the FIRM for flooding sources studied
most 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
it m were m r sections n in n r
by p rp
detailed creeds e e computed etcross oss sect o s and to elated between cross
have n h
limits rite a e occurred since this ma was published. Ma users should
Y p p P
History t•ihlc located in the Flood (nsuranre Study report for this jurisdiction,
seions Tht, flcodways were based an hydraulic co s'de auregard ns wri[hto
consuIt t e appropriate community aft'tle1 or website to verily current ofAn
accompanNn9 Flood insurance Study report, Leer of Map { LOMR) or Letter
of the National Flood Insurance Program, Floodway widths and other pertinent foodway
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
1•o determine if flood insurance is available in this community, contact your insurance agent the
data for flooding scwrces 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 Napping Program website
North Carolina Division of Emergency ,Management or the National Flood Insurance Program at the
lot flooding sources studied by limited detailed methods are provided in the FIS report
created during the production of this statewide format FIRM.
at www.ncfloodma s.com, or contact the FENA Nap Service Center at 1-.800-35&-MS
following phone numbers or websites:
far this jurisdiction. The FIS report also provides instructions for determining a Floodway
for information on all related products assoaated with this FIRM, The FEMA Map Service
NC Division of Emcrrgcrncy Managernent National Flood Insurance Prcl 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.mse.feme.gov.
(919) 715--g" www.ncx:rimtcuntral.org/nftp 1-eM--638--6620 www.fema.Rr4hfiip
SPECIAL FLOOD t tArZARD AREAS (SFL tAs) SUBJECT TO
INUNDATION BY THE 1 % ANNUAL. CHANCE FLOOD
the 1 % annual chance flood (loo-year flood), also known as the base flood, is the flood
that has a 1 % chance of being equaled or exceeded in any given year. The Special
Ftood Ha:rard Area is the area subject to flooding by the 1% annualchance flood. Areas
of Special Flood Hazard include Zones A, AE, AH, AO, AR, A99, V, and VE. The Base
Tlrxxl Elevation ix the water surfac:c clavrtic>n of the 1%annual cleaner flood.
ZONE A No B:rsc M ad Elevations determined.
ZONE AE Baer Flood F.kwat6ons dcorrrninr d.
ZONE AH Flood depths of 1 to 3 feet (casually areas of ponding); Base Flood
Elevations determined.
ZONE AO Flood depths of 1 to 3 fee?t (usually sheet flow on sloping terrain);
average depths determined. For areas of alluvial fan flooding, velocities
also de termirmA.
ZONE Alt Sppeecial Flood Hazard Area formerly protected from the 1% annual
choice flood by a flood control system that was subsequently
decertified. lone AR indicates that the former flood control system is
being restored to provide protection from the 1% annual diorite or
greater flood.
ZONE A" Arc.'r to be protected from 1 % annual c1hance flood by a Federal
flood protection system under construction; rso Base flood Elevations
determined.
ZONE VE Coastal Hood zone ►with w.•locity hazard (wave action); Base Flood f kwations
determined.
® FI_dU[]WAY AREAS IN ZONE AF
The floodway is the- channel of a stream plus any adl'acent flavdpiain areas that must be
kept free of encroachment so that the 1% annual chance flood can be carried without
substantial increases in flood heights.
OTHER FLOOD AREAS
ZONE X Areas ref 0.2% annual chance flood; arras of 1 % annual chance next(
with average deptfts of less than 1 foot or with drainage areas less than
I square mile; and areas protected by levfs from 1 % annual chance
floUri HER AREAS
ZONE X Areas detem+ined to he outside the 0.2% annual chanaa fkxxlptain.
ZONE D Areas in which flood hazards are undetermined, but possible.
® COASTAL HARRIER RESOURCES SYSTEM (CBRS) AREAS
01HERWISE PROTECTED ARMS (OPAs)
CBRS arms and OPAx are normally locatod within or adjacent to Special Flood Hazard Areas-
1% annual ctlanue flcxxiplain Lxxnxlsuy
0.2% annual chance floodplain boundary
Floodway boundary
Zone D
ry
�►����������►�►�►��� CBRS and OPAa bcaandary
■ Boundary dividing Special Flood Hillard Area Lonex and
- - - - - - - - - - boundary dividing Special Flood Hazard Arras of different
Base Flood Elevations, flood depths or flood velocities.
Base Hood Elevation line and value; elevation in feet*
(EL 987) R'w' FIcwA Ek nation value where uniform within zone;
elevation in feet'
Referenced to the North American Vertical Datum of 1988
m>e Cross section line
Transect line
97.47.30•, 32•E2. 30• Geographic coordinates referenced to the North American
Datum of 1983 (NAD 83)
4278M ZpOQ-mete+ Unkkwsal 'I ransveme Mercator grid ticks, zone 1 B
5000-foot grid values: North Carolina State Plane motdinate
1477 50D FEET system (FIPSZC]NE 32[X), Stott Planc N'AD 83 feet]
BM55T0 North Carolina Ceodetic Survey bench mark (sec explanation
in the Datum Information section of this FIRM pared!,
BM5610 National Geodetic Survey bench mark (see explanation in
the Wtum information section of this FIRM panel).
• M1.5 Riti*r Mils
GRID NORTH
MAP SCALE 1" 1000' (1 12,000)
sac o = — IDD- -�-°°FEET
METERS
300 0 300 sw
D
PANEL 342I3J
FIRM
FLOOD INSURANCE RATE MAP
NORTH CAROLINA
PANEL 3420
SSEC LOCATOR DIAGRAM OR MAP INDE. FOR FIRM
PANEL. LAYOUT)
CONTAINS:
COMMUNITY CD No. PANEL SUFFIX
30PON! COUNTY 370083 3420 J
Notice 10 User The Map Number sh&— bdo- 0-ould be .*W
whon ploong mW orders: V* Comm olty Nuwbesr shown+
abovo Viould be usca M ,ns_)tnra-,o apoir-ti ens Ice the subg<t
corrnrunry.
EFFECTIVE DATE MAP NUMBER
FEBRUARY 16, 2006 3720342000J
r �
f.
Al
L
1. n
A.
4 •� ti
F
•b`.� C,,.r tRRp F
State of North Carolina
Federal Emergency Management Agency

Nutrient Management Plan For Animal Waste Utilization
This plan has been prepared for:
B&C Farm (31-90)
,Barney Rhodes
PO Box 4067
Surf City, NC 28445
910-328-3265
06- 7-2024
This plan has been developed by:
Donnie G. Kennedy Jr.
Agriment Services, Inc.
PO Box 1096
Beulaville, NC 28518
Type of Plan: Nitrogen Only with Manure Only
Owner/Manager/Producer Agreement
t (we) understand and agree to the specifications and the operation and maintenance
procedures established in this nutrient management plan which includes an animal
waste uOlization plan for the farm named above. l have read and understand the
Required Specifications concerning animal waste management that are included with
this plan.
Signatu owner) Date
Signature (manager or producer) Date
This plan meets the minimum standards and specifications of the U.S. Department of
Agriculture - Natural Resources Conservation Service or the standard of practices
adopted by the Soil and Water Conservation Commission.
Plan Approved By. /P/
71nic�alspecialfjignature Date
,631968 Database Version 4.1 Date Printed: 06-17-2024 Cover Page t

Nutrients applied in accordance with this plan will be supplied from the
following source(s):
Commercial Fertilizer is not included in this plan.
S7
Swine Feeder -Finish Lagoon Liquid waste generated 6,807,888 gals/year by a 7,344
animal Swine Finishing Lagoon Liquid operation. This production facility has waste
story a ca cities ofa proximately 180 days.
Estimated Pounds of Plant Available Nitrogen Generated per Year
Broadcast 12271
Incorporated 14726
Injected
14726
Irrigated
12271
Max. Avai 1.
Actual PAN
PAN Surplus/
Actual Volume
Volume Surplus/
PAN (lbs)*
Applied bs)
Deficit (Ibs)
Applied (Gallons)
deficit (Gallons)
Year 1
12,271
17331
-5,060
8,590,937
-1,783,049
Nate: In source ID. S means standard source. U means user defined source.
" Max. Available PAN is calculated on the basis of the actual application method(s) identified in the plan for this source.
631968 Database Version 4.1 Date Printed: 06-17-2024 Source Pa ;e I of 1

Narrative
6117/2023 - This plan has been updated to remove the area that will be used for the digester. With the
removal of this location (Field 3) from the farm Nutrient Management Plan this farm still has sufficient
remaining; pumping wettable acres. No crop changes. This plan will replace last plan dated 10/612020
when the new digester permit has been received.
1016/2020 - This plan revision is to use pan rates established from historical waste plans done 7/21/1997
by Johnny Lanier on Hog Heaven Farm and 10-3-2001 by Ronnie G. Kennedy on B&C Farm. No crop
changes have been made.
11/19/2019 - This plan revision joins the B&C Farm and the Hog Heaven farm into one permitted
facility. This facility does not share an irrigation system but does have adjoining property lines. No crop
changes have been made.
ADDENDUM TO WASTE UTILIZATION PLAN:
FACILITY NUMBER 31-90
FARM NAME: BARNEY RHODES FARM
OWNER NAME: BARNEY RHODES
DESIGN CAPACITY: 4896 FEEDER TO FINISH
THIS PLAN IS A REVISION OF THE WASTE PLAN COMPLETED BY JOHNNY L. LANIER ON
719197 ON FILE WITH THE DUPLIN DISTRICT OFFICE. THIS PLAN DEPICTS THE WETTABLE
ACRES ON THE FARM AND DISPLAYS THE SAME IN THE CALCULATION TABLES
AGRONOMIC RATES OF THIS PLAN FOLLOW THE 7l9197 PLAN COMPLETED BY DUPLIN
SWCD. FIELD(S) AHW, BHW, CHW, AND DHW ARE TO BE IRRIGATED WITH
HONEYWAGON TO BE LEASED (SPECS INCLUDED). NOTE: APPLICATION AGENDA FOR
SG OVERSEED SHOULD FOLLOW NCSU MEMO ENCLOSED WHEN I00-POUND OVERSEER
OPTION IS USED.
FIELD A PULL 3 IS TO BE CLEARED AND SPRIGGED THE NEXT GROWING SEASON FOR
COASTAL BERMUDA GRASS. THIS PLAN SHOULD BE FULLY IMPLEMENTED AT THAT
TIME.
NOTE: FIELD(S) A AND D WILL BE APPLIED USING TEMPORARY PORTABLE IRRIGATION!
PIPE FROM THE CLOSEST PERMANENT HYDRANT. IT IS THE RESPONSIBILITY OF THE
PRODUCER TO MAKE SURE HE EITHER OWNS OR HAS ACCESS TO ENOUGH LENGTH OF
PIPE TO WET THE AREAS SPECIFIED IN ORDER TO PROPERLY IMPLEMENT THIS WASTE
UTILIZATION PLAN.
ALL FIELDS MUST MEET MONITORING AND REPORTING REQUIREMENTS WHEN USED.
MR. RHODES PLANS TO APPLY HIS WASTE IN ACCORDANCE WITH THE FARM'S SPECIFIC
WASTE ANALYSIS NOT TO EXCEED THE HYDRAULIC LOADING OR AGRONOMIC
LIMITATIONS OF THE SITE.
631968 Database Version 4.1 Date Printed: 06-17-2024 'Narrative Page I of 2

Narrative
631968 Databue Version 4.1 Date Printed: 06-17-2024 Narrative Page 2 of 2

The table shown below provides a summary of the crops or rotations included in this plan for each field. Realistic
Yield estimates are also provided for each crop in the plan. In addition, the Leaching Index for each field is shown,
where avai table.
Planned Crops Summary
Tract
Field
Total
Acres
Useable
Acres
Leaching
lndex (Ll)
Sail Series
Crop Sequence
RYE
3421
A
7.30
3.08
NIA
Autryville
Small Crain Overswd
1.0'fans
Hybrid Bermudagrass Hay
5.5 Tans
3421
A11W
1.20
1.20
NIA
Autryvilic
Small Grain Overseed
1.0 Tuns
11ybrid Bermudagrass Hay
5.5 Tons
3421
tl
10.70
7.71
NIA
Au3ryviiic
Small Grain Overseed
1.0 Tons
Hybrid Bermudagrass. Pasture
5,5 "Cans
3421
HIM
2.05
2.05
NIA
A2=iIlc
Small Grain Overseed
I lybrid Be mudagrass Pasture
1 A Toms
5.5 'CQars
3421
3421
C
Cl IW
M90
0.43
14.07
0.43
NIA
NIA
Aut isle
Auttyvillc
Small Grain Ovemeed
Hybrid Bermudograss Paslutc
Small Grain Overseed
1.0 TOM
5.5'lans
1.0 Tons
3421
D
11.80
8.4
NIA
Auirriillc
Hybrid Herrnudagrass Pasture
Small Grain Overseed
5.5 Tans
I.0 7ons
I lybnd Bermudagrass [lay
5.5 'runs
3421
3421-A
DIM
1
0.70
3.73
U0
3.73
NIA
NIA
Autryville
Lean
Small Grain Overseed
1lybrid Bermudagrass flay
Small Grain Overseed
1.0 Tans
5.5 Tans
1.0'1'uns
Hybrid lkffnudsgrass Pasture
3.0 Tom
3421-A
2
2.47
2.47
NIA
Icon
Small Grain Overseed
1.A T M
Hybrid Bermudagrass Pasture
3.0 Tom
3421-A
4
4.08
4.08
NIA
Goldsboro
Small Grain Overseed
hybrid Betmudagrass Pasture
I.0 Tuns
6.5 Tans
3421-A
5
9.73
9.731
NIA
Goldsboro
Small Grain Oversecd
1 A Tans
1lybrid Berme [lay
=6r,
PLAN TOTALS: 71.09 59.74
631968 Databmc Version 43 late Printed 6117/2024
PCs Page 1 of 2
NOTE: Symbol * means user entered data.

Lt
Potential Leac ing
Technical Guidance
2
Low potential to contribute to soluble
Nano
nutrient leading below the root zone.
>W 2 &
Moderate potential to contribute to
Nutrient Management (590) should be planned.
<- 10
soluble nutrient leaching below the root
zone.
High potential to contribute to soluble
Nutrient Management (590) should be planned. Other conservations practices that improve
nutrient leaching below the root zone.
the soils available water holding capacity and improve nutrient use efficiency should be
> 10
considered. Exaanples are Cover Craps (340) to scavenge nutrients, Sod -Based Rotations
(328), Long -Term No -Till (778), and edge -of -field practices such as Fiker Strips (393) and
Riparian Forest Buffers (391).
631968 Database Version 4.1 Hate Printed 6i1712024
PCS Page 2 of 2
NOTE: Symbol * means user entered data.

The Waste Utilization table shown below summarizes the waste utilization plan for this operation. This plan provides an estimate of the number of acres of
cropland needed to use the nutrients being produced. The plan requires consideration of the realistic yields of the crops to be grown, their nutrient requirements,
and proper timing of applications to maximize nutrient uptake.
This table provides an estimate of the amount of nitrogen required by the crop being grown and an estimate of the nitrogen amount being supplied by manure or
ether by-products, commercial fertilizer and residual from previous crops. An estimate ofthe quantity of solid and liquid waste that will be applied on each field in
order to supply the indicated quantity of nitrogen from each source is also included. A balance of the total manure produced and the total manure applied is
included in the table to ensure that the plan adequately provides for the utilization of the manure generated by the operation.
Waste Utilization Table
Year I
Tract
Field
Source
ID
$oil Series
Toed
Acres
Use.
Acres Crop
RYE
ApplPc,
Nriod
Hitropn
PA
Nutrient
Tterkd
(IWA)
Comm,
Fen,
Nutrient
Applied
(lbs1A)
lies.
OWA
App€ic.
McikW
Manure
PA
NutricritA
pplicd
(lbs1A)
Liquid
Manmfi
ppiied
(acre)
Solid
Manure
Applied
(acre)
Liquid
Manure
Applied
(Field)
SolsdMarur
Applied
{Field}
IN
14
N
N
1000
I gallA
'tons
1000 gals
tons
3421
A
S7
Autryville
7.30
5.08 Small Grain Overseed
1.0 Tons
1011-3131
50
0
0
Irrig.
50
27.74
0.00
140.91
0.00
3421
A
S7
Autryville
7.30
5.08 Hybrid Bermudagrass clay
5.5 Tons
*3115-8131
'275
0
0
brig.
275
152.56
0.00
775.03
0.00
3421
AlIW
S7
Autryville
1.20
1.20 Small Grain C3versced
1.0 Tons
10/1-3131
5o
0
0
brig.
50
27.74
0.00
33.29
0.00
3421
AHW
S7
Autryville
1.20
1.20 l lybrid Rcrtnudagrass f lay
5.5 `Costs
*3I15-8131
"275
0
0
[trig.
275
152.56
4.00
193.08
0.00
3421
8
S7
Autryville
10.70
7.71 Small GrainOverseed
1.4 Tans
tOf1-3131
50
0
0
Irrig.
5o
9,98
0.00
76.95
0.00
3421
B
S7
Autryville
10.70
7.71 hybrid Bctraudagrass Pasture
5.5 Tons
311-9/30
*206
0
0
[trig.
206
82,24
OA0
634.04
0.00
3421
B14W
S7
AuEryville
2.05
2.05 Small Crain Overseed
1.0 Tons
1011-3131
50
0
0
brig.
50
19.96
0.00
40.92
0.0
3421
BHW
S7
Autryville
2.05
2.05 Elybrid Bermudagrass Pasture
5.5 Tons
3/1-9/30
*206
0
0
brig.
206
82.24
o.00
169.59
0.00
3421
C
S7
Autryvilk
16.90
14.07 Smell Grain UversmA
1.0 ions
1011-3131
5o
0
0
lrrig
50
19.96
0.00
280.84
0.00
3421
C
S7
Autryvillc
16.90
14.07 Hybrid ftrnrudagrass Pasture
5.5 Tons
3/1-9/30
*206
0
0
Irrig.
206
82.24
0.00
1,157,05
0.00
3421
CIiW
S7
Autryville
0.43
0.43 small Grain Ovcrsced
1.0 Tons
1011-3/31
5o
0
0
Irrig.
50
19.96
0.00
8.58
0.00
3421
CHW
S7
Atttryvilic
0.43
0.43 1lybrid Bermudagrass: Pasture
5.5 Tons
3I1•9f30
'206
0
0
brig.
206
82.24
0.00
35.36
0.00
3421
b
S7
AutryVitle
11.80
8.49 Small Grain Overseed
1.0 Tons
10113/31
50
0
0
prig.
50
27.74
0.00
235.50
0.00
3421
D
S7
Autryville
11.90
9.49 1lybrid 1knnudagrass flay
53 Tons
03/15-8131
0275
0
0
brig.
275
152.56
UO
1,295.27
0.00
3421
Dl l►x
S7
Autryville
0.70
0.70 Small Grain Overseed
1.0 Tutu
1011-3131
50
0
0
[nib;.
5
55.48
0.0
39.94
0.0
3421
DIN
S7
utryville
0.70
0.70 Hybrid Bermudagrass Hay
5.5 Tons
*3i15-9131
•275
0
0
brig.
275
152.56
0.00
106.80
0.00
631968 Database Version 4.1 Hate Printed: 6/17/2024 WUT Page I of 2

Waste Utilization Table
Year t
Traci
Field
Source
lU
Soil Series
Toil
Acres
Use,
Acres
Crop
RYE
App6c,
mrio3
Nirogen
PA
Nutrient
Re4d
(lbs1A)
Comex Res.
Fert. (lbs1A)
Nutrient
Applied
(lbs1A)
Applic,
Metind
Manure
PA
NutrientA
pllicd
(lbs1A)
Liquid Solid Licpid
ManuW Manure Manure
pplied Applied Applied
(acre) (acre) (Fill)
Solid Mants
Applied
(Field)
1
N N
N
1000
gal1A 'Pons 1000 gals
toss
3421-A
I
S7
t.ean
3.73
3.73
Small Grain Overseed
1.0 cons
1011-3i31
5o
0 0
Irrig.
50
27.74 0.00 103.47
0.00
3421-A
I
S7
1-con
3.73
3.73
Hybrid Bermudagrass Pasture
3,0 Pons
311-9130
0150
0 0
Irrig.
150
83.22 0.001 310.40
0.00
3421-A
2
S7
icon
2.47
2.47
Small Grain Ovcrsced
1.0 `roes
10l1-3/31
50
0 0
Irrig.
50
27.74 0.00 68.52
0.00
3421-A
2
S7
Lem
2.47
2.47
Flybrid 13ermudagrass Pasture
3.0 Tons
311-9130
* 150
0 0
brig.
1 SD
83.22 0.00 205.55
0.00
3421-A
4
S7
Goldsboro
4.08
4.08
Small Grain dverseed
1.0 Tons
10/1-3131
50
0 0
brig.
50
27.74 0.00 113.18
0.00
3421-A
4
S7
Goldsboro
4.08
4.08
Flybrid Bcrmudagrass Pasture
6.$ Torts
31€-9/30
*245
0 0
lrrig.
245
135.92 0.00 554.56
0.0
3421-A
5
S7
GoldSbDrO
9.73
9.73
Small Grain €)versced
1.0 Tons
1011-3131
50
0 0
[frig.
50
27.74 0,00 269.90
0.00
3421-A
5
S7
Goldsboro
9.73
9.73
1lybrid Bermudagrass Ilay
6.S Torts
*3/15.8131
0325
0 0
brig.
325
190.30 0.00 1,754.35
0.0
Total Applied,
1000 gallons 8,590.94
Total Produced, 1000 gallons 6,907.89
Balance, loco gallons-1,783.05
Total Applied, tons
0.0
Total Produced, tons
0.0
mance, tons
0.00
Notes: 1. In the tract column, symbol means leased, otherwise, owned. 2. Symbol * means user entered data.
631968 database Version 4.1 Date Printed: 6/17/2024 WUT Page 2 of 2

The Irrigation Application Factors for each field in this plan are spawn in the following table. Infiltration rate varies
with soils. if applying waste nutrients through an irrigation system, you must applyat a rate that will not result in
runoff. This table provides the maximum application rate per how that may be applied to each field selected to
receive wastewater. It also lists the maximum application amount that each field may receive in any one application
event.
Irrigation Applications Factors
Tract
Field
Soil Series
Application Bate
(inches/hour)
Application Amount
(inches)
3421
3421
3421
A
AHW
B
Autryville
Autryville
Autryville
0.60
0.60
0.60
1.0
1.0
1.0
3421
SHW
Autryville
0.60
1.0
3421
C
Mayville
0.60
1.0
3421
C14W
Autryville
0.60
1.0
3421
D
Autryville
0.60
1.0
3421
DH W
Autryville
0.60
1.0
3421-A
1
Leon
0.65
1.0
3421-A
2
Leon
0.65
1.0
3421-A
4
Goldsboro
0.50
1.0
3421-A 1
5 IGoldsboro
0.50
1.0
631968 Database Version 4.1 Date Printed 6117/2024 lAF Page I of 1
NOTE. Symbol * means user entered data.

The following Lagoon Sludge Nitrogen Utilization table provides an estimate of the number of acres needed for
sludge utilization for the indicated accumulation period. These estimates are based on average nitrogen
concentrations for each source, the numberof animals in the facility and the plant available nitrogen application
rates shown in the second column.
Lagoon sludge contains nutrients and organic matter remaining alter treatment and application of the effluent. At
clean out, this material must be utilized for crop production and applied at agronomic rates. In most cases, the
priority nutrient is nitrogen but other nutrients including phosphorous, copperand zinc can also be limiting. Since
nutrient levels are generally very high, application of sludge must be carefully applied.
Sites must first be evaluated for their suitability for sludge application. Ideally, effluent spray fields should not be
used for sludge application. If this is not passible, care should be taken not to load effluent application fields with
high amounts of copper and zinc so that additional effluent cannot be applied. On sites vulnerable to surface water
moving to streams and lakes, phosphorous is a concern. Soils containing very high phosphorous levels may also
be a concern.
Lagoon Sludge Nitrogen Utilization Table
Maximum
Maximum Sludge
Crap
PA-N Rate
Application Rate Minimum Acres Minimum Acres
Minimum Acres
iblac
1000 gallac 5 Years Accumulation 10 Years Accumulation
15 Years Accumulation
Swine Feeder -Finish Lagoon Sludge - Standard
Corn 120 bu
ISO
14M
82.50
164.99
247.49
[Jay b ton R.Y.E.
300
29.38
41.25
82.50
123.75
Soybw 40 bu
160
15.67
77.34
1508
232.42
631969 Database Version 4.1 Date Printed: 06-17-2024 Sludge rage I of 1

The Available Waste Storage Capacity table provides an estimate of the number of days of storage
capacity available at the end of each month of the playa. Available storage capacity is calculated as the
design storage capacity in days minus the number of days of net storage volume accumulated. The start
date is a value entered by the user and is defined as the elate prior to applying nutrients to the first crop in
the plan at which storage volume in the lagoon or holding pond is equal to zero.
Available storage capacity should be greater than or equal to zero and less than or equal to the design
storage capacity of the facility. If the available storage capacity is greater than the design storage
capacity, this indicates that the plan calls for the application of nutrients that have not yet accumulated.
Ifavailable storage capacity is negative, the estimated volume of accumulated waste exceeds the design
storage volume of the structure. Either of these situations indicates that the planned application interval
in the waste utilization plan is inconsistent with the structure's temporary storage capacity.
Available Warte Rtnrane Canacity
Source Name
Swine Feeder -Finish Lagoon Liquid
Deli n Storage Capacity Da s
Start Date
9/ 15
180
Plan Year
Month
Available Storage Capacity (Days)
l
t
82
1
2
74
1
3
82
i
4
90
1
5
120
1
6
180
i
7
180
i
8
180
1
9
166
1
to
153
1
11
141
l
12
11€l
: Available Storage Capacity is calculated as of the end of each month.
631968 Database Version 4.1 Date Printed: 06-17-2024 Capacity Page i of 1

Required Specifications For Animal Waste Mannement
1. 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 that 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
property dispose of the waste, he/she shall provide evidence of an
agreement with a landowner, who is within a reasonable proximity,
allowing him/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 Management Plan when there is a change in the
operation, increase in the number of animals, method of application,
receiving 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
peryear. 'Waste may be applied to land eroding at more than 5 tons per
acre per year but less than 10 tons per acre per year provided grass filter
strips are installed where runoff leaves the field (see USDA, NRCS Field
Office Technical Guide Standard 393 - Filter Strips).
5. Odors can be reduced by injecting the waste or by disking after waste
application. Waste should not be applied when there is danger of drift
from the land application field.
G. When animal waste is to be applied on acres subject to flooding, waste
will be soil incorporated on conventionally tilted 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).
631968 Database Version 4.1 Date Printed: 6/17/2024 Specification Page 1

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.
8. Animal waste shall not be applied to saturated soils, during rainfall
events, or when the soil surface is frozen.
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 drops on soils with a high potential for leaching. Was telnutrient
loading rates on these soils should be held to a minimum and a suitable
winter cover crop planted to take up released nutrients.Waste shall 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 alter 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 that 25 feet to perennial waters.
12. Animal waste shall not be applied closer than 100 feet to wells.
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.
........................ .
631968 Database Version 4.1 Date Printed: 6/17/2024 Specification Page 2

15. Animal waste shall not be discharged into surface waters, drainageways,
or wetlands by a 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.
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 other 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 "closu re 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, leaks, and spills. A regular
maintenance checklist should be kept on site.
20. Animal waste can be used in a rotation that includes vegetables and other
crops for direct human 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.
631968 Database Version 4.1 Date Printed: 6117/2024 Specification Pale 3

22. Waste shall be tested within 60 days of utilization and soil shall be tested
at least annually at crop 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
soils shall be monitored and alternative crop sites shalt 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 years.
Waste application records for all other waste shall be maintained for five
(5) years.
23. Dead animals will be disposed of in a manner that meets North Carolina
regulations.
631968 Database Version 4.1 Date Printed. 611i12024 Specification Pape 4

Crop Notes
The following; crop note applies to fields): 5
Bermudagrass Coastal Plain, Mineral Soil, Poorly Drained to Somewhat Poorly Drained.
Adaptation: Effective artificial drainage MUST be in place to achieve Realistic Yield Expectations
provided for these soils.
In the Coastal Plain, hybrid bermudagrass sprigs can be planted Mar. I to Mar. 3 1. Cover sprigs 1" to 3"
deep (1.5" optimal). Sprigs should be planted quickly after digging and not allowed to dry in sun and
wind. For Coastal and Tifton 78 plant at least 10 bulac in 3' rows, spaced 2' to 3' in the row. Generally a
rate of30 bulac is satisfactory to produce full groundcover in one or two years under good growing
conditions. Tifton 44 spreads slowly, so use at least 40 bulac in 1.5' to 2' rows spaced I' to 1.5' in row.
For broadcastldisked-in sprigs use about 60 bulac. Soil test for the amounts of lime, phosphorus,
potassium and micronutrients to apply preplant and for annual maintenance. Apply 60 to 1001blac N in
the establishment year in split applications in April and July. For established stands apply 180 to 240
lblac N annually in split applications, usually in April and following the first and second hay cuts.
Reduce N rates by 25% for grazing. Refer to NCSU Technical Bulletin 305 Production and Utilization
of Pastures and Forages in North Carolina for more information or consult your regional agronomist or
extension agent for assistance.
The following crop note applies to fields): A, AHW, D, DHW
Bermudagrass Coastal Plain, Mineral Soil, Moderately Well Drained.
Adaptation: Well -adapted.
In the Coastal Plain, hybrid bermudagrass sprigs can be planted Mar. I to Mar. 31. Cover sprigs 1" to 3"
deep (1.5'" optimal). Sprigs should be planted quickly after digging and not allowed to dry in sun and
wind. For Coastal and Tifton 78 plant at least 10 bufac in 3' rows, spaced 2' to 3' in the row. Generally a
rate of 30 bulac is satisfactory to produce full groundcover in one or two years under good growing
conditions. Tifton 44 spreads slowly, so use at least 40 bulac in 1.5' to 2' rows spaced l" to 1.5' in row.
For broadcast/disked-in sprigs use about 60 bulac. Soil test for the amounts of lime, phosphorus,
potassium and micronutrients to apply preplant and for annual maintenance. Apply 60 to 1001b/ac N in
the establishment year in split applications in April and July. For established stands apply 180 to 240
lblac N annually in split applications, usually in April and following the First and second hay cuts.
Reduce N rates by 25% for grazing. Refer to NCSU Technical Bulletin 305 Production and Utilization
of Pastures and Forages in North Carolina for more information or consult your regional agronomist or
extension agent for assistance.
631968 Database Version 4.1 Date Printed: 06-17-2024 Crop Note Page 1 of 4

The following crop note applies to 1'ield(s): 1, 2
Small Grain: CP, Mineral Soil, low -leachable
In the Coastal Plain, oats and barley should be planted from October 15-October 30; and rye from
October 15-November 20. For barley, plant 22 seedfdrill row foot and increase the seeding rate by 5% for
each week seeding is delayed beyond the optimum time. See the seeding rates table for applicable
seeding rate modifications in the current NCSU "Small Grain Production Guide". Also, increase the
initial seeding rate by at least 10% when planting o-till. flats should be planted at 2 bushels/acre and
rye at 1-1 1/2 bushels/acre. Plant all these small gains at 1-1 1/2" deep. Adequate depth control is
essential. Review the NCSU Official Variety "green book" and information from private companies to
select a high yielding variety with the characteristics needed for your area and conditions. Apply no more
than 30 lbslacre N at planting. Phosphorus and potash recommended by a soil test can also be applied at
this time. The remaining N should be applied during the months of February -March.
The following crop note applies to fields}: 4, 5
Small Grain: CP, Mineral Soil, low -leachable
In the Coastal Plain, oats and barley should be planted from October 15-October 30; and rye from
October 15-November 20. For barley, plant 22 seed/drill row foot and increase the seeding; rate by 5% for
each week seeding is delayed beyond the optimum time. See the seeding rates table for applicable
seeding rate modifications in the current NCSU "Small Grain Production Guide". Also, increase the
initial seeding rate by at least 10% when planting no -till. Oats should be planted at 2 bushelslacre and
rye at 1-1 1f2 bushels/acre. Plant all these small grains at 1-1 1/2" deep. Adequate depth control is
essential. Review the NCSU Official Variety "green book" and information from private companies to
select a high yielding variety with the characteristics needed for your area and conditions. Apply no more
than 30 lbslacre N at planting. Phosphorus and potash recommended by a soil test can also be applied at
this time. The remaining; N should be applied during the months of February -March.
The following crop note applies to field(s): A, AHW, B, BH1W, C, CHiW, D, DHiW
Small Grain: CP, Mineral Soil, medium teachable
In the Coastal Plain, oats and barley should be planted from October I5-October 30; and rye from
October 15-November 20. For barley, plant 22 seed/drill row foot and increase the seeding rate by 5% for
each week seeding is delayed beyond the optimum time. See the seeding rates table for applicable
seeding; rate modifications in the current NCSU "Small Grain Production Guide". Also, increase the
initial seeding rate by at least 10% when planting no -till. Oats should be planted at 2 bushels/acre and
rye at 1-1 1/2 bushelslacre. Plant all these small grains at 1-1 1f2" deep. Adequate depth control is
essential. Review the NCSU Official Variety "green book" and information from private companies to
select a high yielding variety with the characteristics needed for your area and conditions. Apply no more
than 30 lbslacre N at planting. Phosphorus and potash recommended by a soil test can also be applied at
this time. The remaining N should be applied during the months of February -March.
631968 Database Version 4.1 Dace Printed: 06-17-2024 Crop Note Page 2 of 4

The following crap note applies to field(s): 1, 2
Bermudagrass CP, Mineral Soil, Poorly Drained to Somewhat Poorly Drained.
Adaptation: Effective artificial drainage MUST be in place to achieve Realistic Yield Expectations
provided for these soils.
In the Coastal Plain, hybrid bermudagrass sprigs can be planted Mar. 1 to Mar. 31. Cover sprigs 1" to 3"
deep (1.5" optimal). Sprigs should be planted quickly after digging and not allowed to dry in sun and
wind. For Coastal and Tifton 78 plant at least 10 bulac in 3' rows, spaced 2' to 3' in the row. Generally a
rate of 30 bulac is satisfactory to produce full groundcover in one or two years under good growing
conditions. Tifton 44 spreads slowly, so use at least 40 bulac in 1.5' to 2' rows spaced I' to 1.5' in row.
For broadcast/disked-in sprigs use about 60 bulac. Soil test for the amounts of Iime, phosphorus,
potassium and micronutrients to apply preplant and for annual maintenance. Apply 60 to 100 lblac N in
the establishment year in split applications in April and July. For established stands apply 180 to 240
Iblac N annually in split applications, usually in April and following the first and second hay cuts.
Reduce N rates by 25% for grazing. Refer to NCSU Technical Bulletin 305 Production and Utilization
of Pastures and Forages in North Carolina for more information or consult your regional agronomist or
extension agent for assistance.
The following crop note applies to field(s): 4
Bermudagrass CP, Mineral Soil, Poorly Drained to Somewhat Poorly Drained.
Adaptation: Effective artificial drainage MUST be in place to achieve Realistic Yield Expectations
provided for these soils.
In the Coastal Plain, hybrid bermudagrass sprigs can be planted Mar. 1 to Mar. 31. Cover sprigs I" to 3"
deep (1.5" optimal). Sprigs should be planted quickly after digging and not allowed to dry in sun and
wind. For Coastal and Tifton 78 plant at least 10 bulac in 3' rows, spaced 2' to 3' in the row. Generally a
rate of 30 buiac is satisfactory to produce full groundcover in one or two years under good growing
conditions. Tifton 44 spreads slowly, so use at least 40 bulac in 1.5' to 2' rows spaced I' to 1.5' in row.
For broadcast/disked-in sprigs use about 60 bulac. Soil test for the amounts of lime, phosphorus,
potassium and micronutrients to apply preplant and for annual maintenance. Apply 60 to 100 lblac N in
the establishment year in split applications in April and July. For established stands apply 180 to 240
lblac N annually in split applications, usually in April and following the first and second hay cuts.
Reduce N rates by 25% for grazing. Refer to NCSU Technical Bulletin 305 Production and Utilization
of Pastures and Forages in North Carolina for more information or consult your regional agronomist or
extension agent for assistance.
631968 Database Version 4.1 Date Printed: 06-17-2024 Crop Note Page 3 of 4

The following crop note applies to ficld(s): 13, B14W, C, CHW
Berrnudagrass: CP, Mineral Soil, Moderately Well Drained.
Adaptation: Well -adapted.
In the Coastal Plain, hybrid bermudagrass sprigs can be planted Mar. 1 to Mar. 31. Cover sprigs 1" to 3"
deep (1.5" optimal). Sprigs should be planted quickly after digging and not aIlo►vcd (o dry in sun and
wind. For Coastal and Tifton 78 plant at least 10 bulac in 3' rows, spaced 2' to 3' in 11ac row. Generally a
rate of 30 buiac is satisfactory to produce full groundcover in one or two years undergood growing
conditions. Tifton 44 spreads slowly, so use at least 40 bulac to 1.5' to 2' rows spaced I to l .5' in row.
For broadcast/disked-in sprigs use about SO bulac. Soil test for the amounts of line, phosphorus,
potassium and micronutrients to apply preplant and for annual maintenance. Apply 60 io 100 lblac N in
the establishment year in split applications in April and July. For established stands ; pply 180 to 240
lblac N annually in split applications, usually in April and following the first and sccond hay cuss.
Reduce N rates by 25% for grazing. Refer to NCSU Technical Bulletin 305 Production .and Utilization
of Pastures and Forages in North Carolina for more information or consult your regional .ag;ronomist or
extension agent for assistance.
6319" Database 'Version 4.1
Date Printed: 06-17-2024
Crop Note Pal. e 4 of 4

PICLO D
ty h +/-
Arq Awl
ww
• iaae so
A ABM•
O4ah
Nitflf ��
arqIlM!
D*C FARM (3 I --90)
611712024 UPDATE
GRAPHIC SCALE
7K pw PW ar
��tv A
M Nw
*WOW

RCY COOPER
Governor
MICHAEL S. REGAN
sea wary
UNDA CULPEPPER
DIAVW
Barney Mangum Rhodes
B&C Fann
409 John Stanley Bostic Rd
Rose Hill, NC 28458
Dcar Barney Mangum Rhodes:
NORTH CAROLINA
Environmental Quality
September 23, 2019
Subject: Certificate of Coverage No. AWS310090
B&C Farm
Swine Waste Collection, Treatment.
Storage and Application System
Dublin County
In accordance with your renewal request, we are hereby forwarding to you this Certificate of Coverage
(COC) issued to Barney Mangum Rhodes, authorizing the: operation of the subject animal waste
management system in accordance with General Permit AWG 100000. Please read this CDC and the
enclosed State General Pcrmit 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
(CAWNIP) for B&C Farm. located in Dublin County, with a s►%inc animal capacity of no greater Than the
following annual averages:
Wean to Finish: Feeder to Finish: 48% Boar/Stud:
Wean to Fccdcr: Farrow to Wean: Gilts:
Farrow to Finish: Farrow to Feeder: Other:
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 rate 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 AWS310090 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 General Permit, the facility's CAWNIP. and tlris 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.
Yr_are encouraged to update yot►r Swinc Odor Control Chocklis_t jtkkg the enclosed farm. If you do so.
you must send a copy of the updated form to the Animal Feeding_ Operations Program at the address below.
Please pay carcfiil attention to the record keeping and monitoring conditions in this permit. Stocking and
Mortality Form (STOCK-1) has been updated; all other record keeping forms are unchanged ■with this
General Permit. Please use the most current record keepin forms.
North Car+oltna Department of EnvlronmenrA Quaky I atrtsson of WM Ker Rrsourom
Ej 512 North Salisbury Start 1 1636 Msi Service Cemer : Ralri*t. NWh Carolina 2ib" -1636

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 Offiec, Watcr Quality Regional Operations Section
Duplin County Health Department
Duplin County Soil and Water Conservation District
Central Files (Permit No. AWS31 U490)
Murphy -Brown LLC

31-gn
Nutrient Management Plan For Animal Waste iItilization
1 U-43-2001
This plan has been prepared for: This plan has been developed by:
Barney} Rhodes 1•a»n ($ 4 C arm) Ronnie G. Kennedy Jr.
Harney Rhodes Agrinrew Ser4ices, Inc.
�6s h� 5 r►r I j l s +r PO Box 1096
hse �'!I, A/C M Beulaville. NC 28518
910-328-3265 2j2-568-2648
leper Signature
Type of Plan: Nitrogen Only with Manure Only
O ner[Manager/Producer Agreement
I (we) understand and agree to the specifications and the operation and maintenance
procedures established in this nutrient management plan which includes an Animal waste
utilization plan for the farm named above. I have read and understand the Required
Specifications concerning animal waste management that are included with this plan.
Signature(nsanagcr or producer]
I62ci
Datc
Datc
This plan meets the minimum standards and specifications of the U.S. Department of
Agriculture - Natural Resources Conservation Service or the standard of practices adopted
by the Soil and Water Conservation Commission.
Plan Approved By: _;:-;; &-
Technical 5pcci Est Signature [kate
---- - - ------ - -- -------------------------------------------- --- -- -- --- --- .....
6D3486 Database Version 1.06 Date Printod: 1"3-2001 Co►,cr Pa t

r
Nutrients applied in accordance with this plan will he supplied from the
following sources): r
Commercial Fertilizer is not included in this plan.
S7
Swine Feeder -Finish Laggan Liquid waste generated 4,538,592 sl ear
by a 4,896 animal Swine Fini!kiaa La oon Liquid operation. This
roduction facili has waste story a ca acities of approximately 180 days._
Estimated Pounds of Plant Available Nitrogen Generated per Year
Broadcast
14460
Incorporated
17963
Injected
19782
Irrigated
11369
Actual PAN Applied
Year 1 12012
Notes:
In source ID, S means standard source, U means user defined source.
603486 Database Version 1.U6 Date Printed: 16zi-i661 5aurce Page 1

Narrative
ADDENDUM TO WASTE UTILIZATION PLAN:
FACILITY NUMBER 31-90
FARM NAME: BARNEY RHODES FARM
OWNER NAME: BARNEY RHODES
DESIGN CAPACITY: 4896 FEEDER TO FINISH
THIS PLAN IS A REVISION OF THE WASTE PLAN COMPLETED BY JOHNNY L. LANIER ON
719197 ON FILE WITH THE DUPLIN DISTRICT OFFICE. THIS PLAN DEPICTS THE
WETTABLE ACRES ON THE FARM AND DISPLAYS THE SAME IN THE CALCULATION
AGRONOMIC RATES OF THIS PLAN FOLLOW THE 719197 PLAN COMPLETED BY DUPLIN
SWCD. FIELD(S) AHW, BHW, CHW, AND DHW ARE TO BE IRRIGATED WITH
HONEYWAGON TO BE LEASED (SPECS INCLUDED). NOTE: APPLICATION AGENDA FOR
SG OVERSEED SHOULD FOLLOW NCSU MEMO ENCLOSED W EN I00-POUND OVERSEED
OPTION IS USED.
FIELD A PULL 3 IS TO BE CLEARED AND SPRIGGED THE NEXT GROWING SEASON FOR
COASTAL BERMUDA GRASS. THIS PLAN SHOULD BE FULLY IMPLEMENTED AT THAT
TIME.
NOTE: FIELD(S) A AND D WILL BE APPLIED USING TEMPORARY PORTABLE IRRIGATION
PIPE FROM THE CLOSEST PERMANENT HYDRANT. IT IS THE RESPONSIBILITY OF THE
PRODUCER TO MAKE SURE HE EITHER OWNS OR HAS ACCESS TO ENOUGH LENGTH OF
PIPE TO WET THE AREAS SPECIFIED IN ORDER TO PROPERLY IMPLEMENT THIS WASTE
UTILIZATION PLAN.
ALL FIELDS MUST MEET MONITORING AND REPORTING REQUIREMENTS WHEN USED.
MR. RHODES PLANS TO APPLY HIS WASTE IN ACCORDANCE WITH THE FARM'S SPECIFIC
WASTE ANALYSIS NOT TO EXCEED THE HYDRAULIC LOADING OR AGRONOMIC
LIMITATIONS OF THE SITE.
- ----------------------- - - - - - ----------
Pre.�iew Database Version 1.0 Date Panted: 1Q-09-2Di}1 Narrative Page 1

The Waste Utilization table shown below summarizes the waste utilization plan for this operation. This plan provides an estimate of the number of acres of cropland
needed to use the nutrients being produced. The plan requires consideration of the realistic yields of the crops to be grown, their nutrient requirements, and proper
timing of applications to maximize nutrient uptake.
This table provides an estimate of the amount of nitrogen required by the crop being grown and an estimate of the nitrogen amount being supplied by manure or other
by-products, commercial fertilizer and residual from previous crops. An estimate of the quantity of solid and liquid waste that will be applied on each field in order to
supply the indicated quantity of nitrogen from each source is also included.
A balance of the total manure produced and the total manure applied is included in the table to ensure that the plan adequately provides for the utilization of the
manure generated by the operation. Animal operations that generate liquid waste and utilize waste storage facilities (lagoons or holding ponds) may apply more or
less waste in any given year than is annually generated by the facility. In order to determine whether the plan adequately utilizes the waste produced by the facility,
the storage capacity table included in this plan should be reviewed to ensure that the design capacity of the storage facility is not exceeded during the planning period.
Depending on the requirements ofthe crop and the nutrient content of the waste, some nutrients will likely be over or under applied if animal waste is being utilized.
Waste should be analyzed before each application cycle and annual soil tests are required if animal wasters being applied. Soil tests should be used to balance the
nutrient application amounts with the realistic yields of the crop to be grown. Nutrient management plans may require that the application of animal waste be limited
so as to prevent over application of phosphorous when excessive levels of this nutrient are detected in a field.
Waste Utilization Table Year 1
Tract
Tield
Source
I I.D.
Soil Series
Total
Acre
Use.
I Airs
I CrM
RYE
RYE
I Unit
Applie.
Penal
Nitrogen
PA
Nutrient
Req'd
Comm Res.
Fein. (IWA)
Nutried
Applied
Applic.
N N I Method
Manure
PA
Nutrient
Applied
Liquid
Manure
Applied
(acre)
Solid
Manure
Applied
(acre)
liquid
Manure
Applied
(Field)
Solid
Manure
Applied
(Field)
I N
IWA
1000
I gal/A
tuns
1 1000 mis
tans
3421
A
S7
Autryville
7.3
5.1
l/Annual Rye
10
Tons
+911.331
100
0 0 Irrlg.
100
20.0
0.0
101.4
0.0
IS. Bay-4/7 Harness
3421
A
S7
ille
7.3
5.1
uda Hay
5.5
Tans
03115-8131
' 275
0 0 Ini&
275
109.9
0.0
357.7
0.0
3421
AHW
S7
lle
1.2
1.2
ereal/Atutual Rye
2.0
Tons
911-3131
100
0 0 Irri
100
39.9
0.0
47.9
0.0
IS, Hay-4n Harvest
3421
ARW
87
lie
1.2
1.2
uda He
5.5
Tons
03115-851
' 275
0 0 irri
275
109.8
0.0
131.7
0.0
3421
B
57
a
10.7
7.7
mall Grain Overseed
l.0
fans
1011-3131
30
0 0 Lri
50
10.0
0.0
76.9
0.0
3421
B
S7
A He
10.7
7.7
uda Pasture
5.5
Toni
311-9130
• 206
0 0 Irri
206
82.2
0.0
634.0
0.0
3421
BHW
S7
A 'lie
2.0
2.0
:Hall Grain Qvexseed
L0
Tons
1011-3131
50
0 0 irri
50
20.0
0.0
40.9
0.0
3421
BHW
S7
Autryvilie
2.0
2.0
uda Pasture
5.5
iezu
311-9130
' 206
0 0 #Trig
206
92.2
0.0
1G8.b
0.0
------------------------------------------------------- --- --------- --- ------------------ -------------------------.
fi03486 Database Version 1.0fi Date Printed: I0-03-2001 WUT Page I

Waste Utilization Table
Year 1
Tract
Field
Source
I I.D.
Soil Series
Total
Acre
Use.
I Acres
I Crop
RYE
RYE Applic
I [snit Period
Nitrogm
PA
Nutrient
Req'd
Comm.
Fert.
Nutrkm
Applied
Rea.
(€bs1A)
N
Applic
1 Method
Manure
PA
Nutrient
Applied
Liquid
Manure
Applied
(acre)
Solid
Manure
Applied
(acre)
Liquid
Manure
Applied
(Field)
Solid
Manure
Applied
(Field)
I N
N
Ibs1A
1000
I gAVA
tans
I €000 gals
toms
3421
C
87
Aidryville
16.9
14.1
Pnmll Grain Overseed
L0
Tons 1011-3131
50
0
0
kft
50
20.0
0.0
280,8
0.0
3421
C
S7
Ile
16.9
I4.1
Oernaudagrass Pasture
5.5
Tons 3/19/30
• 206
0
0
Irrig
206
82.2
0.0
t,1$7.1
0.4
-
3421
CHW
S7
1le
0.4
0.4
Prnall Grain Qvaseed
1.0
Tons 1011-3131
50
0
0
irrir,
50
20.0
0.0
8.6
To
3421
CHW
S7
lle
0.4
0.4
grass Pasture
5.5
Tom 311.9/30
■ 206
0
0
Irri
206
82.2
0,0
35.41
0.0
3421
D
S7
A ille
11.8
8,5
I/Armual Rye
2.0
Torts *91I 3131
100
0
0
Irrip,
100
39.9
0,0
338.9
0.0
IS, Hay 2 Harvest.
3421
D
$7
Autryvil€e
11.8
8.5
da Ha
5.5
Tons *3115-8131
• 275
0
0
Ink
275
109.9
0.0
932.0
0.0
3421
IDHW
S7
ille
0.7
0.7
I/Annua€ R
2.0
Tons 49/13/31
100
0
0
irri
100
39.9
0.0
27.9
0.0
IS, Hay-4/7 Harvest
3421
DHW
S7
lle
0.7
0.7
uda Ha
5.5
TCts •3115.813I
' 275
0
o
Irri
275
109.8
0.0
76.8
0.0
Lagoon Liquids
'fatal lied, 1000 Sallons
4,617
Total Produced. 1000 fAims
4.539
Halanm 1000 llona
-78
Manure Solids
Taal Fied, tons
0
Total. Produced. tons
0
Balance. taps
0
Notes: 1. in thetract column, symbol -means leased, otherwise, owned.
2. Symbol " means user entered data.
- - - -- -•---- ------------ ------ --- -- - -
b03486 ©atabase Version 1.06 ©ate Printed: 10-03-2001 WUT Page 2

The Irrigation Application Factors for each field in this plan are shown in the following table. Infiltration
rate varies with soils. If applying waste nutrients through an irrigation system, you must apply at a rate
that will not result in runoff. This table provides the maximum application rate per hour that may be
applied to each field selected to receive wastewater. It also lists the maximum application amount that
each field may receive in any one application event.
Irrigation Application Factors
Tray
Field
Soil series
Application Rate
inches/hour
Application Amount
inches
3421
A
Auuyville
Uo
0.72
3421
AHW
Autryville
0.60
0.72
3421
B
ife
0.60
0.72
3421
3421
1 BHW
C
Autryville
&UUCille
0.60
0.60
o.72
0.72
3421
CHW
AuWyville
0.60
0.72
3421
D
Autryvitle
0.60
0.72
3421
DHW
Autrwille
0.60
0.72
- ----------- --------- --- -- -- -
(034taba 85 ---Dase Version 1.ob Date Printed: 10-03-2001 MVPage 1

W
The fallowing Lagoon Sludge Nitrogen Utilization table provides an estimate of the number of acres needed for
sludge utilization for the indicated accumulation period. These estimates are based on average nitrogen
concentrations for each source, the number of animals in the facility and the plant available nitrogen application rates
shown in the second column.
Lagoon sludge contains nutrients and organic matter remaining after treatment and application of the effluent. At
clean out, this material must be utilized for crop production and applied at agronomic gates. In most cases, the
priority nutrient is nitrogen but other nutrients including phosphorous, copper and zinc can also be limiting. Since
nutrient levels are generally very high, application of sludge must be carefully applied.
Sites must first be evaluated for their suitability for sludge application. Ideally, effluent spray fields should not be
used for sludge application. If this is not possible, care should be taken not to load effluent application fields with
high amounts of copper and zinc so that additional effluent cannot be applied" On sites vulnerable to surface water
moving to streams and lakes, phosphorous is a concern. Soils containing very high phosphorous levels may also be a
concern.
Lagoon Sludge Nitrogen Utilization Table
Crop
Maximum
PA-N Rate
lblac
Maximum Sludge
Application Rate
1000 ac
Minimum Acres
5 Years Accumulation
Minimum Acres
10 Years Accumulation
Minimum Acres
15 Years Accumulation
Swine Feeder -Finish Lagoon Sludge - Standard
Corn 120
1301
13.16
61381
122,76
194.13
Hay 6 ton RYE,
300
26.32
30.64
61.38
92.07
Soybean 40 bu
160
1 14.04
$7.341
115.08
172.63
rl�"
- - 603496 _ Database Version 1.�& Hate Printed: 10-434601 Sludge Page l

The Available Waste Storage Capacity table provides an estimate of the number of days of storage
capacity available at the end of each month of the plan. Available storage capacity is calculated as the
design storage capacity in days minus the number of days of net storage volume accumulated. The start
date is a value entered by the user and is defined as the date prior to applying nutrients to the first crop in
the plan at which storage volume in the lagoon or holding pond is squat to zero.
Available storage capacity should be greater than or equal to zero and less than or equal to the design
storage capacity ofthe facility. if the available storage capacity is greater than the design storage capacity,
this indicates that the plan calls for the application of nutrients that have not yet accumulated. if available
storage capacity is negative, the estimated volume of accumulated waste exceeds the design storage volume
of the structure. Either of these situations indicates that the planned application interval in the waste
utilization plan is inconsistent with the structure's temporary storage capacity.
Available Waste Storage Capacity
Source Name
Swine feeder -finish Lagoon Ligyd
1
Design Stn a Ca ace (Days)
Start Date
9115
180
Flan Year
Month
Available Store e Capacity (pays)
1
1
86
1
2
8o
1
3
86
1
4
86
1
1
5
6
98
142
1
7
178
1
8
180
1
9
174
1
10
158
1
11
135
1
12
104
* Available Storage Capacity is calculated as of the end of each month.
- ----------------
603485 Database Version 1.06 Date Frtnted: 10-03-2001---------- Capacity Page 1

Required Specifications For Animal Waste Management
1. 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 that 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 him/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 Management
Plan when there is a change in the operation, increase in the number of
animals, method of application, receiving 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 14 tons per acre per year provided grass filter
strips are installed where runoff leaves the field (see USDA, NRCS Field
Office Technical Guide Standard 393 - Filter Strips).
5. Odors can be reduced by injecting the waste or by disking after waste
application. Waste should not be applied when there is danger of drift
from the land application field.
6. 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 filled 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
603496 Database Version 1.06 Date Printed: 10-03-2001 Specification Page 1

method which does not cause drift from the site during application. No
ponding should occur in order to control odor and flies.
8. Animal waste shall not be applied to saturated soils, during rainfall
events, or when the soil surface is frozen.
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 up released nutrients. Waste shall 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 that 25 feet to perennial waters.
12. Animal waste shall not be applied closer than 100 feet to welts.
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 shalt not be discharged into surface waters, drainageways,
or wetlands by a 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.
563' 8b Database Version 1,0, Date Printed: 1a-03-20(ll Specification Page 2

16. Domestic and industrial waste from washdown facilities, showers, toilets,
sinks, etc., shall not be discharged into the animal waste management
system.
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 other 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. 1f 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, leaks, and spills. A regular
maintenance checklist should be kept on site.
20. Animal waste can be used in a rotation that includes vegetables and other
crops for direct human 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 crop 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
soils shall be monitored and alternative crop sites shall be used when these
------------ --------------------------- ------------------------------- ---------------------------
tiO3�86 Database Version L06 Date Primed: IQ-03-�t7Q 1 5 aeci�ieation Page 3

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 years. 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 North Carolina
regulations.
---- ------ ----------------- --------- -
GU348G Database Version 1.06 Date Printed: 10-03-i661 S cation Pa e 4

Crop Notes
The foilowing crop note applies to field(s): A, AHW, D, DHW
Bermudagrass Coastal Plain, Mineral Soil, Moderately Well Drained.
Adaptation: Well -adapted.
In the Coastal Plain, hybrid bermudagrass sprigs can be planted Mar. 1 to Mar. 31. Cover sprigs 1" to 3"
deep (1.5" optimal). Sprigs should be planted quickly after digging and not allowed to dry in sun and wind.
For Coastal and Tifton 78 plant at least 10 bulac in 3' rows, spaced 2' to 3' in the row. Generally a rate of
30 bulac is satisfactory to produce full groundcover in one or two years under good growing conditions.
Tifton 44 spreads slowly, so use at least 40 bulac in 1.5' to 2' rows spaced 1' to 1.5' in row. For
broadcast/disked-in sprigs use about 60 bulac. Soil test for the amounts of lime, phosphorus, potassium
and micronutrimts to apply preplant and for annual maintenance. Apply 60 to 100 lblac N in the
establishment year in split applications in April and July. For established stands apply 180 to 240 lblac N
annually in split applications, usually in April and following the first and second hay cuts. Reduce N rates
by 25% for grazing. Refer to NCSU Technical Bulletin 305 Production and Utilization of Pastures and
Forages an North Carolina for more information or consult your regional agronomist or extension agent far
assistance.
The following crop note applies to field(s): B, BHW, C, CHW
Small Grain: CP, Mineral Soil, medium leachable
In the Coastal Plain, oats and barley should be planted from October 15-October 30, and rye from October
15-November 20. For barley, plant 22 seed/drill row foot and increase the seeding rate by 5% for each
week seeding is delayed beyond the optimum time. See the seeding rates table for applicable seeding rate
modifications in the current NCSU "Small Grain Production Guide". Also, increase the initial seeding rate
by at least 10% when planting no-Wt. Oats should be planted at 2 bushels/acre and rye at 1-1 112
bushels/acre, Plant all these smafi grains at 1-1 112" deep. Adequate depth control is essential. Review the
NCSU Official Variety "green book" and information from private companies to select a high yielding
variety with the characteristics needed for your area and conditions. Apply no more than 30 lbslacre N at
planting. Phosphorus and potash recommended by a soil test can also be applied at this time. The
remaining N should be applied during the months of February -March.
The following crop note applies to field(s): B, BHW, C, CHW
Bermudagrass: CP, Mineral Soil, Moderately Well Drained.
Adaptation: Well -adapted.
In the Coastal Plain, hybrid bermudagrass sprigs can be planted Mar. I to Mar. 31. Cover sprigs 111to 3"
deep (1.5" optimal). Sprigs should be planted quickly after digging and not allowed to dry in sun and wind.
For Coastal and Tifton 78 plant at least 10 bulac in 3' rows, spaced 2' to 3' in the row. Generally a rate of
30 bulac is satisfactory to produce full groundcover in one or two years under good growing conditions.
Tifton 44 spreads slowly, so use at least 40 bulac in 1.5' to 2' rows spaced V to 1.5' in row. For
broadcast/disked-in sprigs use about 60 bulac. Soil test for the amounts of lame, phosphorus, potassium
and micronutrients to apply preplant and for annual maintenance. Apply 60 to 100 lblac N in the
--------------------------- ----------- -------------------------------- --_ - ---
603486 Database Version 1.0• Date Printed: 10-03-2001 CropNote Page 1

establishment year in split applications in April and July. For established stands apply 180 to 240 lblac N
annually in split applications, usually in April and following the first and second hay cuts. Reduce N rates
by 25% for grazing. Refer to NCSU Technical Bulletin 305 Production and utilization of Pastures and
Forages in North Carolina for more information or consult your regional agronomist or extension agent for
assistance.
The following crop note applies to field(s): A, AHW, D, DHW
Cereal/Annual Rye Overseeded — Hay
CEREAL RYE
The cereal rye should be planted by October 15 to provide the best opportunity to get winter growth. The
most consistent stands are obtained from drilling rye into short (less than 3 inches tail) bermudagrass sod..
If drilling is not possible, the seeds may be broadcast on short Bermuda sod followed by a light cultivation
with a disc or tillage implement. The seeding rate for broadcast planting of seeds should be 1.5 times the
rate for drilled seeds. The last application of animal waste is to be applied to the Bermuda prior to August
31. An application of 50 lbslacre of Plant Available N (PAN) may be applied between September 15 and
October 30. An additional 50 lbs.acre of PAN may be applied in February -March. If rye growth is
harvested on time and [foes not significantly shade the bermuda, PAN rates for the subsequent Bermuda
crop are based on realistic yields of Bermuda. A harvest is required prior to heading or April 7, which ever
comes first. This is necessary to minimize the potential for shading bermuda and reducing its yields.
ANNUAL RYEGRASS
Annual ryegrass should be planted by October 15 to provide the best opportunity to get winter growth.
The most consistent stands are obtained from drilling ryegrass into short (less than 3 inches tall)
bermudagrass sod. If drilling is not possible, the seeds may be broadcast on short Bermuda sod followed
by a light cultivation with a disc or tillage implement. The seeding rate for broadcast planting of seeds
should be 1.5 times the rate for drilled seeds. The last application of animal waste is to be applied to the
bermuda prior to August 3 1 - An application of 50 lbslacre of PAN may be applied between September 15
and October 30. An additional 50 lbs. acre of PAN may be applied in February -March. 1f additional PAN
is applied to the ryegrass in April -May, the FAN rate for the Bermuda must be reduced by a corresponding
amount. This is necessary because ryegrass growth during April -May will reduce Bermuda yields and
shorten the time bermuda can fully utilize the N. A harvest is required by heading or April 7, which ever
comes first to prevent shading of emerging bermuda during April -May period. To favor the production of
the Bermuda, additional harvests of ryegrass will be required when the ryegrass canopy reaches 12 to 15
inches height.
_. - ....... Databa... ...------ .------- .... - -----------.----• - - - ------
603486 se Versi6
on 1.Date Printed: 10-03-20€31 Crap Note Page 2

WASTE UTILIZATION PLAN
AMOUNT OF WASTE PRODUCED PER YEAR (GALLONS, FT3, TONS, ETC.)
4896 hogs x 1.9 tons wastafhogslyear = 9302.4 tons
J
AMOUNT OF PLANT AVAILABLE NITROGEN (PAN) PRODUCED PER YEAR
4896 hogs x 2.3 PANlhogstyear = 11260.8 lbs. PAN/year
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.
The following acreage will be needed for waste application based on
the crop to be grown, soil type and surface application,
TABLE 1: ACRES OWNED BY PRODUCER
Page 2
TRACT FIELD
SOIL TYPE & CLASS-
CROP
YIELD
LBS COMM
**
* LBS
DETERMINING PHASE
CODE
AW N PER
ACRES
AW
PER AC AC
USED
APPLIC.
TIME
3421
A
AUB
BH
5.5
275
5.68
1582
3421
A
AU8
SG
1
10d
5.68
568
3421
S
AUB
BH
5
250
9.41
2352.5
3421
-8
AiiB
SG
1
75
9A1
705.75
3421
C
AU8
BP
5
250
11.76
2940
3421
-C
AUB
SG
1
75
11.76
882
3421
❑
AUB
BH
5.5
275
4.34
1193.5
3421
:D
AUB
SG
1
100
4.34
434
0
0
0
Total 10637.75
Indicates that this field is being over seeded (i.e. interpianted)
or winter annuals follow summer annuals.
NOTE: The applicator is cautioned that P and K may be over applied
while meeting the N requirements. Beginning in 19M the Coastal Zone
Management Act will require farmers in some eastern counties of NC to
have a nutrient management plan that addresses all nutrients. This
plan only addresses Nitrogen.

7 ADDENDUM TO WASTE UTILIZATION PLAN:
EXPLANATION OF THE 100 POUND OPTION
When using the 100 lb option for overseed the
limitations could be critical during a wet season.
By rule all pan allowance on coastal is to cease
Aug 31 and 50 lbs can be applied to the small grain
Sept 1 - Oct. Nov, Dec, and Jan are supposed to be
null no pumping activity (unless you have 50 inches
of storage you could be in severe trouble) .
Pumping can resume on Small grain in Feb -March at
an additional 50 lbs rate.

Ili
BARNFY PHOO S FARM
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., WASTE MANAGEMENT PLAN
AND
WASTE TREATMENT LAGOON DESIGN
FOR
]BARNEY RHODES
ROSE HILL, NC
4896 FEEDER TO FINISH
MURPHY FARMS CONTRACT GROWER

unded States $oi
' Deoar'^ent of
con3eNatiOn
.L� ACtacWuta seeoce
OPERATOR:py�
Please review the attached plan and specifications carefully. Retain
this plan for your use and records. It is strongly recommended that you,
your contractor, and Soil Conservation Service personnel are in agreement
as to how the waste lagoon is to be constructed. The Soil Conservation
Service personnel will meet with all concerned parties and walk over the
site to explain all flags and markings. It is important that everyone
understand what is expected so that Final construction meets plans and
Specification and the job can be certified For payrreenc (iF cost -sharing
is involved).
The pad dimensions and grades are the best estimate. The BUILDER or
CONTRACTOR is RESPONSIBLE for final layout and design of the pads. The
Soil Conservation Service personnel will assist in a limited Capacity.
as its major concern is the proper design and construction of the waste
treatment lagoon.
The actual amount of material required for pads and darn may vary From the
estimates. The design will attempt to balance cuts and Fills as close as
Possible. If additional material is required after construction is cempie:e
on the lagoon, the contractor and owner will negotiate on the price and
location of borrow area.
quiz.:/!
NOT': Design Requirement: cu.Ft. - cu.yds.
/� a a 7
Estimate of Excavation; cu.ft. = �cu.yds.
*Estimate of ifttl►&
Dike: cu.Ft. easy
u.yds.
f�' iGW1l� wY r� rC�atr I; lc,er, i-c�yerorf Iu.ALU I�
Job Class 1 Z !•� °o�reu�►�'
Date
Sys• ��
Designed By
flame
O S.
Design Approval Date
Tb 144oior6l CLOM i- FII-L aN OAP. S/NcC AW ;7Q#ip X?,-4naN +J 5<,4*6
j NUT�►�cp/ P�- �GCv �1� r107 !PV fey PWr JJJ G 44"N' V-t,,-v. . n n
'ale a r9 cce.in �d-e �e>� W Lo,
n' al. e--► I c4. 1 "`'r°
,. Sc+ eaft*"atwn S.rnc� �� e '►ram, 1� O1, 4 V-o qr� eaf 4 d e '.q/+�� %� f J` JI �� �r d
'1 +^ •Qancr or +,+. Agnevl�M 941 D L C. v ' ja air- ► -
�rausmane or +sa Q (�4 S p �L f yV► a�"C.r � CLj 1

nlleratortBAPNEY RHODES County: DUPLIN
Distance to nearest residence (other than owner):
i. STEADY STATE LIVE WEIGHT
3000.0 �eet
0
sow�
<farrow to finish)
x
1417
lbs,
0
so
arrow to feeder)
x
522
lbs.
4896
head
(finishing only
x
135
lb5,.
0
sow
farrow to wean>
x
43
lbs-
0
head
(wean to feeder)
x
30
=
TOTAL SfEADY STATE
LIVE
WEIGHT
<SSLW) bs
@. MINIMUM REQUIRED TREATMENT VOLUME OF LAGOON
Volume = 660960 lbs. SSLW x Treatment Volume(CF>/lb. SSLW
Treatment Volume(CF)/lb. SSLW= 1 CF/1b, SSLW
Vnlume = 660960 cubic feet
8. STORAGE VOLUME FOR 5LUD8E ACCUMULATION
Volume
TOTAL DESIGN VOLUME
�r
�� Inside top length 663.2
feet ;
Inside top wid�h + t
Top of dike at elevation
54.0
feet
Freeboard 1.0 feet � Side
slopes
3.0 : 1 (Insid� �agoon>
Total design lagoon liquid
level at
elevation 53 . 8
Bottom of lagoon elevation
43.5
feet
Seasonal high water table
elevation
45 '8 feet
Total design volume using
prismoidal
formula
S1-3/END1 SS/END2 SS/3IDE1 S'/SIDE2 LEN8TH WTDTH DEPTH
'
.
8.0 3.0 3.0
3.0
657 . 2 `
AREA OF TOP
LENGTH * WIDTH �
657.2 194.2
12762B.2
(AREA OF TOP)
AREA OF BOTTOM
LENGTH * WIDTH =
600.2 137.2
82347.4
(AREA OF BOTTOK )
AREA OF MIDSECTION
LENGTH * WIDTH * 4
416702 4
(AREA OF MIDSECT ION * 4)
628.7 165.7
^
CU. FT = [AREA TOP + <4*AR2A MIDSECTION) + AREA BOTTOM]
\
~ ^
1B7628.2
^
416702 4
82347.4 1.6
VOLUME OF LAGOON AT TOTAL
DESIGN LIQUID
LEVEL = �922�C '%�. Fr.

r". TEMPORARY STORAGE REQUIRED
DRAINAGE AREA:
Lagoon (top of dike}
Length * Width =
663,2 200,2 132772.6 square feet
Buildings (ronf and lot'water>
Length * Width =
0.0 0.0 0.0 square feat
TOTAL DA 132772.6 square feet
Design temporary storage period to be 180 days.
5A. Volume of waete produced
Approximate daily production of manure in CF/LB 5SLW 0.1�6
Volume = 660960 Lba. SSLW * CF of Waste/Lb./Day * 1O`-' �uy�
Volume = 161410 cubic feet
��-a. Volume of wash water
This is the amount of fresh water used for washing, flon`'s cr �rI./me
of fresh water used for e flush system. Flush systems tha� 'eczrcu|���
the lagoon water are accounted for in 5A.
Volume = 0.0 gallons/day * 180 days storage/7.48 gall. -in.;
Volume = 0.0 cubic feet
5C. Volume of rainfall in excess of evaporation
Use period of time when rainfall exceeds ewaporation by
180 days excess rainfall = 7.0 i:ches
Volume = 7.0 in * DA / 12 inches per fout
Volume = 77450.7 cubic feet

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Owl OPERATION AND MAINTENANCE PLAN
------------------------------
This lagoon is designed for waste treatment with minimum odor
control. The time required for the planned fluid level to be
reached may vary due to soil conditions,flushing operations, and
the amount of fresh water added to the system.
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 runoff from the field or damage
to crops.
The following items are to be carried out:
1. It is strongly recommended that the treatment lagoon be pre -
charged to 1j2 its capacity 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.
2. The attached waste utilization plan shall be followed. This
plan recommends sampling and testing of waste {see Attachment B)
before land application.
3. Begin pump -out of the lagoon when fluid level reaches eleva-
tion 52.3 as marked by permanent markers. stop pump -out when
the fluid level reaches elevation -51•3 SA -re- or before fluid depth is
less than 6 feet deep (this prevents the loss of favorable
bacteria) .
4. The recommended maximum amount to apply per irrigation is
one (1) inch and the recommended maximum application rate is 0.4
inch per hour.
5. Keep vegetation on the embankment and areas adjacent to the
lagoon mowed 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. All surface runoff is to be diverted from the lagoon to stable
outlets.
S. The Clean Water Act of 1977 prohibits the discharge of
pollutants into waters of the United States. The Department of
Environment, Health, and Natural Resources, Division of Environ-
mental Management, has the responsibility for enforcing this law.

SEEDING RECOMMENDATIONS
-----------------------
AREA TO BE SEEDED: 4.0 ACRES
USE THE SEED MIXTURE INDICATED:
0.0 LBS. FESCUE GRASS @ 60 LBS. PER ACRE
(BEST SUITED ON CLAYEY OR MOIST SOIL CONDITIONS)
SEEDING DATES: SEPTEMBER 15 TO NOVEMBER 30
0.0 LBS. "PENSACOLA" BAHIA GRASS @ 50 LBS. PER ACRE
(SEE FOOTNOTE NUMBER 1)
SEEDING DATES: MARCH 15 TO JUNE 30
32.0 LBS. HULLED BERMUDA GRASS @ 8 LBS. PER ACRE
(SUITED FOR MOST SOIL CONDITIONS)
SEEDING DATES: APRIL 1 TO DULY 31
120.0 LBS. RYE GRAIN @ 30 LBS. PER ACRE (NURSERY FOR FESCUE)
160.0 LBS. RYE GRASS @ 40 LBS. PER ACRE (TEMPORARY VEGETATION)
SEEDING DATES: SEPTEMBER 1 TO MARCH 30
LBS.
APPLY THE FOLLOWING:
4000 LBS. OF 10-10-10 FERTILIZER (1000 LBS. PER ACRE)
8.0 TONS ❑F DOLOMITIC LIME (2 TONS PER ACRE)
400 BALES OF SMALL GRAIN STRAW (100 BALES PER ACRE)
ALL SURFACE DRAINS SHOULD BE INSTALLED PRIOR TO SEEDING. SHAPE ALL
DISTURBED AREAS IMMEDIATELY AFTER EARTHMOVING IS COMPLETED. APPLY
LIME AND FERTILIZER, THEN DISK TO PREPARE A 3 TO 4 INCH SMOOTH SEEDBED.
APPLY SEED AND FIRM SEEDBED WITH A CULTIPACKER OR SIMILAR EQUIPMENT.
APPLY MULCH AND SECURE WITH A MULCH ANCHORING TOOL OR NETTING.
1. PENSACOLA BAHIA GRASS IS SLOWER TO ESTABLISH THAN COMMON
BERMUDA GRASS. WHEN USING BAHIA, IT IS RECOMMENDED THAT 8
LBS. PER ACRE OF COMMON BERMUDA BE INCLUDED TO PROVIDE COVER
UNTIL BAHIAGRASS IS ESTABLISHED.

SPECIFICATIONS FOR CONSTRUCTION OF WASTE TREATMENT LAGOONS
----------------------------------------------------------
Clearing:
All trees and brush shall be removed from the construction area
before any excavating or fill is started. Stumps will be removed
within the area of the foundation of the embankment and fill areas
and all excavated areas. All stumps and roots exceeding one (1)
inch in diameter shall be removed to a minimum depth of one (1)
foot. Satisfactory disposition will be made of all debris. The
foundation area shall be loosened thoroughly before placement of
embankment material.
Cut-off Trench:
---------------
A cut --off trench (when specified) shall be installed as shown in
the plans.
Construction:
-------------
Construction of excavated and earthfill areas shall be performed to
the neat lines and grades as planned. Deviations from this will
require prior approval of the SCS. Earthfill shall not be placed
in standing water and reasonable compaction of the fills shall, be
performed by the construction equipment or sheeps-foot roller during
placement. The embankment of the lagoon shall be installed using
the more impervious materials. Construction of fill heights shall
include ten (10) percent for settlement. To-• protect".;aga3.nstt:seepage,
when areas of unsuitable material: ,are' encountered;` they will, need qte
%e excavated a . minimum- of...one (1) foot � below grade "'and .f baekf i 17:ed,-and
compacted with a suitable material,(ie-CL',SC,CH),'. Refer to the soils
investigation information in the plans for special considerations.
Precautions should be taken during construction to prevent excessive
erosion and sedimentation. lo�r,Or L41 H ped � �e ode f� I' 01$4t/t44V
t,O �• Clay ma�ar+4
Vegetation:
All exposed embankment and other bare constructed areas shall be
seeded to the planned type of vegetation as soon as possible after
construction.

I
Up�Le PAO CLEV.
Blau 3L 3�tf 5 -
TYPICAL CRaSs-SCC,716t�
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pFF Sf � �orra ra .9��q �Q .4C 41.frd far odr� • �.
CJG� �r..ri..�� ✓�Q �rr.vL. f.3orro c,.l Saufr[ e �Q � �
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US Department of Agriculture
Soil Conservation Service
NC --CPA 16
4-92
ENVIRONMENTAL EVALUATION
01
Land User/Owner &carrL County
Location/Tract & Field Number Acreage
'"repared by 0&Date_,�l
Brief Descrintion of Planned Practice/RMS/Pro3ect Measure:
Environmental Factors and Resources to Identify and Evaluate J
1. is wetland included in the planning area: .(References: NCPM;
190-GM 410.26; Hydric soils list; classification -of Wetlands and
Deepwater Habitats of the U.S.; National Wetlands Inventory Maps;
NFSAM.
No TN�j
i
Yes - If yes,
oat tl,/j
--- Identify types present
�--- Attach environmental evaluation showing what effect
planned assistance will have on wetland and how this
assistance is within policy
-- Have needed permits (CAMA, DEM, Corps, etc.) been
obtained by the landuser?
-- Make sure no planned practices will put the landowner in
violation of Swampbuster
2. Endangered and/or threatened species: (References: 190-GM
410.22; Technical Guide Section 1-1(13) and section I--vii
No Yes
-- Identify species whose range and habitat needs indicate
they might occur in planning area
--- Identify on map any designated critical habitat

Is- a designated natural or scenic area included in the planning
area -or will planned actions impact on an adjacent natural or
scenic area? (References: 190-GM 410.23 and .24)
No
Yes, - If yes., encourage- landuser to consult with concerned
agencies-, societies, and individuals to arrive at
mutually,- satisfactory land use and treatment.
4. Does the- planning. area include• the. loQ--year- fl o.pA, plain?
(References.*. NCP M..•; 19D. -GM 4,10.25-4 HUD Flood Plain, maps);
Yes If yes
w�. Is the, assist-edt act ton- likely to have. significant
-- adve-xrme- effects: - out -exiatlnq. natu-r-al ansi beneficial:
values-. in, the, flood. plain?:
is. there, a, practical alternative: outside: the- flood
-
-- Has: the, flood=- plain been, used, for agricultural
` production for at least. 3: of- they last 5. years?
.. Is an archaeological or historica•1 site located* in. the. planning
area:?, (Fteterences:- NCPM 420-GM 401 p Natianal Register. of
15istoric• Places)�
No
V Yes If yes,; have. steps, been: taken to ensure the
protection: of this area'? c_em*Dl�
5..- Are: there, any- prime:,, unique,. or, locally important farmlands- in
the Qperating: unit-?' (References: 310-GM)
No. xes -►. If yes-,,, identify, on: a soils map- or, legend.. ALL�
7:... W411;_ the: action- result- in sodbustincL?-
No
Yes
8.. Will, the: action. result in. swampbusting?
No Y.es
Is there:a potential for controversy.?
No._ Yes.
Front. wham?
AQto
A a.A.r

r
30. Are permits required?/Should the person contact permit agencies?
No Yes
J When an environmental factor or resource is identified on the
site, the user will refer to the appropriate reference for policy
and document the appropriate action in the notes portion of this
form.
NOTES, DOCUMENTATION, FOLLOW-UP
LOQ-,4 neQ-� � 01� r-�j Ckc-clau
�o %ALL-q tin o a k -e. 4 w.a 1A4-D1

FOCI-S10-9= FRI 10:vJ2
P. 03
UNITED STATES
DEPARTMENT OF
AGRICULTURE
Soil
Conservatlon
Service
4405 gland Road
Suite 205
Raleigh, NC 27609
SUBJECT: CPA - Minimal, Effect Determination ©ATE: October 28, 1992
Post -Approval for Barney Rhodes
TO: Mike Sugg FiL.E CODE: IS
District Conservationist
Kenansville, NC
This is to let you know that your recommendation for a minimal effect
determination for approximately .75 acres on the Barney Rhodes tract
is approved.
The exemption is granted based on the evaluation and determination
that the actions involved would not result in significant biological,
or hydrological impacts on valuable wetlands. The US Fish and
Wildlife Service has reviewed this site in the field and concurs in
this determination. A copy of their report is attached for your
information.
Please provide written notification to Mr. Rhodes and the ASCS County
Office of this decision. You should also report the minimal effect
determination in the 5CS Progress Reporting System in accordance with
accepted policy. I
r
The producer should be advised that
5wampbuster Provisions only and that
reqted for th planned activity.
Coy Garret
St a Conservationist
Attachment
cc: L.K. (Mike) Gantt, USFWS
John Dorney
Jim Canterberry
Phil Edwards
David Combs
this exemption is for Farm Bill
state and federal permits may be

U. S. Department of Agricul, s
Soil Conservation Service
NC--ENG-34
September 1980
File Code: 210
HAZARD CLASSIFICATION DATA SHEET FOR DAMS
LandownerI1 County k
Community or Group No. Conservation Plan No.,
Estimated Depth of Water, to Top of Dam , ro. Ft. Length of Flood Pool G sr'_ Ft.
Date of Field Hazard Investigation
Evaluation by -reach of flood plain downstream to the Point of estimated minor effect
.from sudden' dam failure.
Est. ev. s evat�on
.
. Kind of .- Improvements : `' of 'Breach
Reach: Length: Width: Slope: Land Use - Improvements : Above-,,:FloFdoodePlaAbove
flood Plain:
Ft:.. Ft. Ft. Ft.
2 -
3 -
Describe potential for loss'of life and da49e-to existing or probable future downstream
improvements from a sudden -breach• NALL ZoDa
Hazard Classification of Damtza b, c) (see NEM-Part 520.21)
Classification (1. 11, III, I8 v)
M
Concurred .13y
rtam ti t e .
NOTE: 1. Instructions on reverse side.
2. Attach additional sheets as needed.
Date ���- -2
Date !- ?- F9-

SCS-fNG-S38 U. S. DEPARTMENT OF AGRICULTURE
Rtr' S'70 SOIL CONSERVATION SERVICE
SCa]U"u1
SOIL INVESTIGATION TO DETERMINE SUITABILITY OF PROPOSED POND SITE
FARMER'S NAME t,r-A e
DATE — 0
S. C. S. PHOTO SHEET NO.
DISMICT
COUNTY ___►r
WORK UNIT —
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WORK UNIT CONSERVATIONIST
SKETCH OF R'/ ! '/ND SHOWING VMRE BORINGS VVERE XADE
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TYPES Oi• ..%TERIAL ENCOUNTERED IN BORINGS
(Use one of systems below)
UNIFIED CLASSIFICATION USDA CLASSIFICATION
GW - Well graded gravels; gravel, sand mix g- gravel
GP -Poorly graded gravels s -sand
GM - Silty gravels; gravel -sand -silt mix vfs- very fine sand
GC -Clayey gravels; gravel -sand -clay mix sl-sandy loam
SW -Well graded sands; sand -gravel mix fsl - fine sandy loam
SP - Poorly graded sands I - loam
SM -Silty sand gl -gravelly loam
SC -Clayey sands; sand -clay mixtures si-silt
ML-Silts;silty,v.finesands;sandyorclayeyalit sil-silt loam
CL-Clayt. of low to medium plasticity cl-clay barn
CH -Inorganic clays of high plasticity. sicl-silty clay loam
MH-Elastic silts scl-sandy_ clay loam
OL-Organic silts and silty clays, low plasticity sic -silty clay
OH -Organic clays, medium to high Pl�.sticity c-clay
1, Suitable material for embemkment is available QYee- ONo (Indicale +Where towtea on the sketch an
mwrse skirl
REMARKS- IJ o S. o w r 7 CFI � � i! y og
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GENERAL RFMARKS:
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0United States soil
Oepartment of Conservation P. 0. Sox 277
Agriculture Somce Kenansville, NC 28349
Telephone [phone]
_-----..----------------------------------------- -------------------------------
[fear
Enclosed is your copy of a wetland determination for tract 3411 on which you
indicated your intent to clear some land. The attached map has been delineated
to show the area(s) in question. Each area to be cleared has been identified
with a symbol to denote its classification. Below is an explanation of the
various symbols that may pertain to your map.
zW - Wetland - Area is a wetland and should not be cleared
if you wish to remain eligible for USDA programs.
W - Wetland that can be Farmed - Area vas cleared and
drained prior to 12/23/85 and area can be farmed
as long as no additional drainage is installed.
Existing drainage, as shown on map, can be maintained.
k�NW - Hon wetland - Area is non wetland and can be cleared
and planted without violating Farm Bill.
NW -.Non wetland � Area has hydri'F soils but is non wetland
due to hydrology modification prior to 12/23/85. May
need to check with the US Army Corp of Engineers or
the NC DEN to determine if additional permits are
necessary.
CW _ Converted Wetland - Area was cleared after 12/23/85.
Can be used for grass production but cannot be used
for annual crop production without losing eligibility
for USDA programs.
CW,_,_ - Converted Wetland after 11/28/90 - Area was cleared
after 11/28/90 and is a converted wetland. Clearing
constitutes a violation of the 1990 Farm Bill. In
order to regain eligibility for USDA programs, area it
must be restored. Consult with the SCS about an
approved restoration plan before beginning any
restoration.
I have tried to make this determination as fairly as possible. however if you
believe this determination is incorrect, you have the right to appeal. To
appeal send me a brief letter explaining why you believe this determination is
incorrect. Send the letter to the address on the letterhead. This letter
should be received within 45 days of your receipt of this letter.
The Soo conaervation san.t a
Is an agency of the
Deaartment of Awtutture
Sincerely,
Nichael E. Sugg
District Conservationist
n

W
M
MARION SANDLIN LAND SURVEYING
P. 0. Box 1, Hwy. 41
Chinquapin, N.C. 28521-0001
Office:919-285-5599
Residence:919-285-8598
November 10, 1992
U.S.D.A. Soil Conservation Service
P.O. Box 277
Kenansville, N.C. 28349
Attention: Michael Sugg
Reference: Barney Rhodes' property ,located at the end of N.C.
Secondary Road No. 1954,
Dear Mr. Sugg:
As per measurements made by me, the acreage of the area that has
been logged exceeds 42 acres,
I stopped measuring when I got close to 42 acres. From that point,
I estimated at Least an additional 10 acres more that has been
logged (52 acres total that has been logged).
If you see any problems or you have any questions, please do not
hesitate to call.
Sincerely,
/0�- /,
� ,1►flrf=lrr
Marlon L. Sandl in, Jr., R . L. S . , L--2941. .�'�

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SCS-ENG-538 U. S. OEPARiMEHT OF AGRICULTURE
Rev. 5-70 SOIL CONSERVATION SERVICE
SOIL INVESTIGATION TO DETERMINE SUITABILITY OF PROPOSED POND SITE
FARMER'S N ARE DISTRIcr
DATE 2 COUNTY
PHOTO ■ WORK
•Oa
WOODLAND -ACRES TOTAL -ACRES;
SKETiCH OF PROPOSEWPOND SHOWING WHERE BORINGS WERE MADE (Appror. zWe I"=-' feet)
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BORING NUMBER ANDPROFILE
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EMERGENCY ACTION PLAN
PHONE NUMBERS
DIVISION OF WATER QUALITY (DWQ) [phone]
EMERGENCY MANAGEMNET SERVICES (EMS) [phone]
SOIL AND WATER CONSERVATION DISTRICT (SWCD) [phone]
NATURAL RESOURCES CONSERVATION SERVICE (NRCS) [phone]
COOPERATIVE EXTERSION SERVICE (CES) [phone]
This plan will be implemented in the event that wastes from your operation are leaking,
overflowing or running off site. You should not wait until wastes reach surface waters
or leave you 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.
1. Stop the release of wastes. Depending on the situation, this may ore may not be
possible. Suggested responses to some possible problems are listed belwo.
A. Lagoon overflow -possible solutions are:
a. Add soil to berm to increase elevation of dam.
b. Pump wastes to fields at an acceptable rate.
c. Stop all flows to the lagoon immediately.
d. Cali a pumping contractor.
e. Make sure no surface water is entering lagoon.
B. Runoff from waste application field -actions 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 where runoff occurred.
C. Leakage from the waste pipes and sprinklers -action include:
a. Stop recycle pump.
b. Stop irrigation pump.
c. Close valves to eliminate further discharge.
d. Repair all leaks prior to restarting pumps.
❑. Leakage from flush systems, houses, solid separators -action include:
a. Stop recycle pump.
b. Stop irrigation pump.
c. Make sure siphon ❑ccurs.
d. Stop all flows in the house, flush systems, or solid separators.
E. Leakage from base or sidewall of lagoon. Often this is seepage as opposed
t❑ flowing leaks -possible action:
a. Dig a small sump or ditch from the embankment to catch all
seepage, put in a submersible pump, and pump back to lagoon.
b. If holes are caused by burrowing animals, trap ❑r remove animals and fill
holes and compact with a clay type soil.
c. Have a professional evaluate the condition of the side walls and lagoon
bottom as soon as possible.

2. Assess the extent of the spill and note any obvious damages.
a. Did the waste reach any 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 spill leave the property?
e. Does the spilt have the potential to reach surface waters?
f. Could a future rain event cause the spill to reach surface waters?
g. Are potable water wells in danger (either on or off the property)?
h. How much reached surface waters?
3. Contact appropriate agencies..
a. During normal business hours call your ❑WQ regional office; Phone - -. After
hours, emergency number: 91 9-733-3942. Your phone call should include: your
name, facility number, telephone number, the details of the incident from item 2
above, the exact location of the facility, the location or direction of movement of
the spill, weather and wind conditions. The corrective measures -that have been
under taken, and the seriousness of the sitution,
b. if spill leaves property or enters surface waters, call local EMS prone number.
c. Instruct EMS to contact local Helath Department.
d. Contact Ctrs, phone number - , local SWCD office phone number - -, and local
NRCS office for advicettechnical assistance phone number - -.
4. if none of the above works call 911 or the Sheriff's Department and explain you
problem to them and ask the person to contact the proper agencies for you.
AWN
5. Contact the contractor of your choice to begin repair or problem to minimize off -
site damage.
a. Contractors Name: e r
b. Contractors Address: a;' I. o s7'
c. Contractors Phone:
5. Contact the technical specialist who certified the lagoon (NRCS, Consulting
Engineer, etc.)
a. Name: N C S
b. Phone:
7. Implement procedures as advised by ❑WQ and technical assistance agencies to
rectify the damage, repair the system, and reassess the waste managment plan to
keep problems with release of wastes from happening again.
2

INSECT CONTROL. CHECKLIST FOR ANIMAL OPERATIONS
............... - -------- ---------
Source
Cause
BMP's to Minimize Odor Site Specific Practices
(Liquid Systems)
Mush Gutters
Accumulation of solids
H-Flush system is designed and operated
sufficiently to remove accumulated
soilds from gutters as designed.
Wremove bridging of accumulated solids at
discharge
Lagoons and Pits
Crusted Solids
{ 1 Maintain lagoons, settling basins and
pits where pest breading is apparent to
minimize the crusting of solids to a depth
of no more than 6-8 inches over more than
30% of surface.
Excessive Vegetative
Decaying vegetation
f+-t ti€ntain vegetative control along banks of
Growth
lagoons and other impoundments to prevent
accumulation of decaying vegetative matter
along water's edge on impoundment's perimeter.
(Dry Systems)
Feeders
Feed Spillage
{ ) Design, operate and maintain feed systems (e.g.,
bunkers and troughs) to minimize the accumulation
of decaying wastage.
H- Tesn up spillage on a routine basis {e.g. 7•10 day
interval during summer; 35-30 day interval during winter).
Feed Storage
Accumulations of feed residues
( ) Reduce moisture accumulation within and around
immediate perimeter of feed storage areas by
insuring drainage away from site andlor providing
adequate containment (e.g., covered bin for
brewer's grain and similar high moisture grain
products).
{ Y Inspect for and remove or break up accumulated
so€ids in filter strips around feed storage as needed.
Animal Holding Areas
Accumulations of animal wastes
{ 1 Eliminate low area that trap moisture along fences
and feed wastage
and other locations where waste accumulates and
and disturbance by animals is minimal.
{) Maintain fence rows and filter strips around animal
holding areas to minimize accumulations of wastes
(i.e. inspect for and remove or break up accumulated
solids as needed).
` ,�M1C�Hiavambar 11, 7996

3ry Manure Handling Accumulations of animal wastes f ] Remove spillage on a routine basis (e.g. 7-10 day
Systems interval during summer; 15.30 days interval during
winter) where manure is loaded for land application
or disposal.
) Provide for adequate drainage around manure stockpiles.
t l Inspect for and remove or break up accumulated wastes
in filter stripes around stockpiles and manure handling
areas as needed.
The issues checked -f- pertain to this operation. The landowner/integrator agrees to use sound judgment in applying
insect control measures as practical.
f certify the aforementioned insect control Best Management Practices have been reviewed with me.
71 � M. zt�Z��
a downer Signature)
d (, EArt&
(Farm Name)
3 1 - 9 a
(Facility Number)
For more information contact the Cooperative Extension Sorvica, Department of Entomology. Box 7613, North Carolina State University, Raleigh, NC
27695-7613,
ARM
tIC--November 11. 1996

DOR CONTROL CHECKLIST
ounce Cause BMP's to Minimize Odor Site Specific Practices
Farmstead Swine production (, Vegetative or wooded buffers;
ocommended best management
practices;
LLZ-dio-d 'judgment and common sense
Animal body surfaces Dirty manure -covered animals { } Dry floors
Floor surfaces Wet manure -covered floors "M-5lotted floors;
t7 Waterers located over slotted floors;.
t } Feeders at high end of solid floors;
i"T�crape manure buildup from floors;
{ } Undorfloor ventilation for drying
Manure collection pits Urine f fifoquent manure removal by fiush,pit
recharge,or scrape
Par'stal micorbial decomposition (} Underfloor ventilation
Ventilation exhaust tans Volatile gases; fin maintenance;
Dust {-�Icient air movement
Indoor surfaces Dust (4-Washdown between groups of animals
{ l Food additives;
[ } Feeder covers;
l 1 Food dolivary downspout extenders to
feeder covers
Flush tanks Agitation of recycled lagoon l } Flush tank covers
` Gquid whiles tanks are filfing { } Extend fill lines to near bottom of
1 tanks with anti -siphon vents
Flush alleys Agitation during wastewater I. } underfloor flush with underfloor
conveyanance ventilation
Fit recharge points
Agitation of recycled lagoon
(} Extend rechard lines to near bottom of
liquid while pits are filling
pits with anti -siphon vents
Lift stations
Agitation during sump tank filling
{ y Sump tank covers
and drawdown
Outside drain collection
Agitation during wastewater
{ } Box covers
a junotion boxes
conveyance
End of drainpipes at lagoon
Agitation during wastewater
t } Extend discharge point of pipes
underneath lagoon liquid level
Lagoon surfaces
Volatile gas emissions
{ 411 per lagoon liquid capacity
Biological mixing
94--o'Trect lagoon startup procedures
Agitation
Mkinimurrisurface area -to -volume ratio
tTlWinimum agitation when pumping
f l Mechanical aeration
{ ] Proven biological additives
Irrigation sprinkler nozzles
High pressure agitation
€rri at on dry days with little or no wind
Wind draft
recommended operation pressure
m�inimum
t 1f.-mp intake near lagoon liquid surface
( ) Pump from second -stage lagoon
OC-•November 11, 1996

rage tank or basin
L .mace
Parties microbial decomposition
Mixing while titling
Agitation when emptying
{ } Bottom or midlevel loading
{ } Tank covers
I } Basin surface mats of solids
I I Proven biological additives at oxidants
Settling basin surface Partial micobial decomposition { } Extend drainpipe outlets underneath liquid
Mixing while filling level
Agitation when emptying { I Remove settled solids regularly
Manure, slurry or sludge Agitation when spreading ( } Soil injection of slurry/sludges
spreader outlets Volatile gas emissions ( } Wash residual manure from spreader after use
{ } Proven biological additives or oxidants
Uncovered manure, slurry Volatile gas emissions while drying I ) Soil infection of slurry/sludges
or sludge on field surfaces I ) Soil incorporation within 48 hours
{ } Spread in thin uniform layers for rapid drying
{ } Proven biological additives or oxidants
Dead animals Carcass decomposition (-YProper disposition of carcasses
Dead animal disposal Carcass decomposition ( I Complete covering of carcasses in burial pits
pits { } Proper location/construction of disposal pits
Incinerators Incomplete combustion { } Secondary stack burners
Standing water around Improper drainage W,67a-Zle and landscape such that water drains
facilities Microbial decomposition of away from facilities
organic matter
Manure tracked onto public Poorly maintained access reads arm access road memlonance
s from farm access
Additional Information: Available From:
Swine Manure Management; 0200 Rule1BMP Packet
NCSU-County Extension Center
Swine Production Farm Potential Odor Sources and Remedies. EBAE Fact Sheet
NCSU•SAE
Swine Production Facility Manure Management: Pit Recharge• -Lagoon Treatment; EBAE 128-88
NCSU-BAE
Swine Prod uctioh Facility Manure Management: Undarfloar Flusa--Lagoon Treatment; EBAE 129.88
NCSU-SAE
Lagoon desig and Management for Livestock•Menure Treatment and Storage; EBAE 103.83
NCSU-SAE
Calibration of Manure and Wastewater Application Equipment; EBAE Fact Sheet
NCSU-BAE
Controlling Odors from Swine Buildings; PIH-33
NCSU-Swine Extension
Environmental Assurano Program- NPPC Manual
NC Pork Produces Assoc
Options for Managing Odor; a report from the Swine Odor Task Force
NCSU Agri Communications
Nuisance Concerns in Animal Manure Management. Odors and Flies; PRO107, 1995 Conference Proceedings Florida Cooperative Extension
The issues checked H pertain to this operation. The landowner/integrator agrees to use sound judgment in applying
odor control measures as practical.
I certify the aforementioned odor control Best Managment Practices hav been reviewed with
caner Sign tune)
AMOC-•November 11, 1996

Version —November 26, 2018
Mortality Management Methods
Indicate which method(s) will be implemented.
When selecting multiple methods indicate a primary versus secondary option.
Methods other than those listed must be approved by the State Veterinarian.
Primary Secondary Routine Mortality
❑ ElBurial three feet beneath the surface 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.106-403). The bottom of the 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 DEQ under GS 15A NCAC
u 13B .0200.
❑ Rendering at a rendering plant licensed under G.S. 105-168-T
VW
❑ ID Complete incineration according to 02 NCAC 52C .0102.
❑ ❑ A composting system approved and permitted by the NC Department of Agriculture & Con-
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 DEQ.
❑ ElIn the case of dead poultry 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).
❑ ElAny method which, in the professional opinion of the State Veterinarian, would make possible
the salvage of part of a dead animal's value without endangering human or animal health.
(Written approval by the State Veterinarian must be attached),
❑ Mass Mortality Plan
Mass mortality plans are required for farms covered by an NPDES permit These plans are
also recommended for all animal operations. This plan outlines farm -specific mortality man-
agement methods to be used for mass mortality. The NCDA&CS 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 specified 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 facility's animal
waste management system permit).
• In the event of imminent threat of a disease emergency, the State Veterinarian may enact
additional temporary procedures or measures for disposal according to G.S. 106-399.4.
ig ature of Farris Owner/Manager
Signature of Technical Specialist
Date
Date

OPERATION. & MAINTENANCE PLAN
Proper lagoon liquid management should be a year-round priority. It is especially
important to manage levels so that you do not have problems during extended rainy and
wet periods.
Maximum storage capacity should be available in the lagoon for periods when the
:receiving crop is dormant (such as wintertime for bermudagrass) or when there are
extended rainy spells such as the thunderstorm season in the summertime. This means
that at the first signs of plant growth in the later winter/early spring, irrigation according to
a farm waste management plan should be done whenever time land is dry enough to
receive lagoon liquid. This will make storage space available in the'lagoon for future wet
periods. In the late summer/early fall the lagoon should be pumped down to the low
marker (see Figure 2-1) to allow for winter storage. Every effort should be made to
maintain the lagoon close to time minimum liquid level as long as time weather and waste
utilization plan will allow it..
Waiting until the lagoon has reached its maximum storage capacity before starting to
irrigate does not leave room for storing excess water during extended wet periods.
Overflow from the lagoon for any reason except a 25-year, 24-hour storm is a violation of
state law and subject to penalty action.
The routine maintenance of a lagoon involves the following:
Maintenance of a vegetative cover for the dam.
Fescue or common bermudagrass are the most common vegetative
covers. The vegetation should be fertilized each year, if needed, to
maintain a vigorous stand. The amount of fertilizer applied should be
based on a soils test, but in the event that it is not practical to obtain
a soils test each year, the lagoon embankment and surrounding areas
should be fertilized with 800 pounds per acre of 10-10-10, or
equivalent.
Brush and trees on the embankment must be controlled. This may be
done by mowing, spraying, grazing, chopping, or a combination of
these practices. This should be done at least once a year and
possibly twice in years that weather conditions are favorable for
heavy vegetative growth.
NOTE: If vegetation is controlled by spraying, the herbicide must not be allowed to enter
the lagoon water. Such chemicals Gould harm the bacteria in the lagoon that are treating
the waste.
Maintenance inspections of the entire lagoon should be made during the initial fining of
the lagoon and at least monthly and after major rainfall and storm events. Items to be
checked should include, as a minimum, the following:
Waste Inlet Pipes, Recycling Pipes, and Overflow Pipes ---look for:
1. separation of joints
2. cracks or breaks
3. accumulation of salts or minerals
4. overall condition of pipes

e Lagoon surface ---look for:
l' 1. undesirable vegetative growth
2. floating or lodged debris
Embankment --look for:
1. settlement, cracking, or "jug" holes
2. side slope stability ---slumps or bulges
3. wet or damp areas on the back slope
4. erosion due to Iack of vegetation or as a result of wave action
5. rodent damage
Larger lagoons may be subject to liner damage due to wave action caused by strong
winds. These waves can erode the lagoon sidewalis, thereby weakening the lagoon dam.
A good stand of vegetation will reduce the potential damage caused by wave action. If
wave action causes serious damage to a lagoon sidewall, baffles in the lagoon may be
used to reduce the wave impacts.
Any of these features could lead to erosion and weakening of the dam. If your lagoon has
any of these features, you should call an appnipriate expert familiar with design and
construction of waste lagoons. You may need to provide a temporary fix if there is a threat
of a waste discharge. However, a permanent solution should be reviewed by the
technical expert. Any digging into a lagoon dam with heavy equipment is a serious
undertaking with potentially serious consequences and should not be conducted unless
recommended by an appropriate technical expert.
Transfer Pumps ---check for proper operation of:
1. recycling pumps
2. irrigation pumps
Check for leaks, loose fittings, and overall pump operation. An unusually loud or grinding
noise, or a large amount of vibration, may indicate that the pump is in need or repair or
replacement.
NOTE: Pumping systems should be inspected and operated frequently enough so that you
are not completely "surprised" by equipment failure. You should perform your pumping
system maintenance at a time when your lagoon is at its low level. This will allow some
safety time should major repairs be required. Having a nearly full lagoon is not the time
to think about switching, repairing , or borrowing pumps. Probably, if your lagoon is full,
your neighbor's lagoon is full also. You should consider maintaining an inventory of spare
parts or pumps.
Surface water diversion features are designed to carry all surface
drainage waters (such as rainfall runoff, roof drainage, gutter outlets,
and parking lot runoff) away from your lagoon and other waste
treatment or storage structures. The only water that should be
coming from your lagoon is that which comes from your flushing
(washing) system pipes and the rainfall that hits the lagoon directly.
You should inspect your diversion system for the following:
1. adequate vegetation
2. diversion capacity
3. ridge berm height

Identified problems should be corrected promptly. It is advisable to inspect your system
during or immediately following a heavy rain. If technical assistance is needed to
determine proper solutions, consult with appropriate experts.
You should record the level of the lagoon just prior to when rain is predicted, and then
record the level again 4 to d hours after the rain (assumes there is no pumping). This will
give you an idea of how much your lagoon level will rise with a certain rainfall amount
(you must also he recording your rainfall for this to work). Knowing this should help in
planning irrigation applications and storage. If your lagoon rises excessively, you may
have an inflow problem from a surface water diversion or there may be seepage into the
lagoon from the surrounding land,
Lagoon Operation
Startup:
l . Immediately after construction establish a complete sod cover on bare soil
surfaces to avoid erosion.
2. Fill new lagoon design treatment volume at least half full of water before
waste loading begins, taking care not to erode lining or bank slopes.
3. Drainpipes into the lagoon should have a flexible pipe extender on the
end of the pipe to discharge near the bottom of the lagoon during initial
filling or another means of slowing the incoming water to avoid erosion of
the lining.
4. When possible, begin loading new lagoons in the spring to maximize
bacterial establishment (due to warmer weather).
5. It is recommended that a new lagoon be seeded with sludge from a healthy
working swine lagoon in the amount of 0.25 percent of the full lagoon
liquid volume. This seeding should occour at least two weeks prior to the
addition of wastewater.
5. Maintain a periodic check on the lagoon liquid pH. If the pH falls below
7.0, add agricultural lime at the rate of 1 pound per 1000 cubic feet of
lagoon liquid volume until the pH rises above 7.0. Optimum lagoon liquid
pH is between 7.5 and 8.0.
7. A dark color, lack of bubbling, and excessive odor signals inadequate
biological activity. Consultation with a technical specialist is recommended
if these conditions occur for prolonged periods, especially during the warm
season.
Loading:
The more frequently and regularly that wastewater is added to a lagoon, the better the
lagoon will function. Flush systems that wash waste into the lagoon several times daily are
optimum for treatment. Pit recharge systems, in which one or more buildings are drained
and recharged each day, also work well.

Practice water conservation --minimize building water usage and
spillage from leaking waterers, broken pipes and washdown through
proper maintenance and water conservation.
Minimize feed wastage and spillage by keeping feeders adjusted. This
will reduce the amount of solids entering the lagoon
Management:
Maintain lagoon liquid level between the permanent storage level and
the full temporary storage level.
Place visible markers or stakes on the lagoon bank to show the
minimum liquid level and the maximum liquid lever (Figure 2-1).
Start irrigating at the earliest possible date in the spring based on
nutrient requirements and soil moisture so that temporary storage
will be maximized for the summer thunderstorm season. Similarly,
irrigate in the late summer/early fall to provide maximum lagoon
storage for the winter.
The lagoon liquid level should never be closer than 1 foot to the lowest
point of the dam or embankment.
Do not pump the lagoon liquid level lower that the permanent storage
level unless you are removing sludge.
Locate float pump intakes approximately 18 inches underneath the liquid
surface and as far away from the drainpipe inlets as possible.
Prevent additions of bedding materials, long-stemmed forage or vegetation,
molded feed, plastic syringes, or other foreign materials into the lagoon.
Frequently remove solids from catch basins at end of confinement houses or
wherever they are installed.
Maintain strict vegetation, rodent, and varmint control near lagoon edges.
Do not allow trees or large bushes to grow on lagoon dam or embankment.
Remove sludge from the lagoon either when the sludge storage capacity is
full or before it fills 50 percent of the permanent storage volume.
If animal production is to be terminated, the owner is responsible for
obtaining and implementing a closure plan to eliminate the possibility of a
pollutant discharge.
Sludge Removal:
Rate of lagoon sludge buildup can be reduced by:

proper lagoon sizing,
mechanical solids separation of flushed waste,
gravity settling of flushed waste solids in an appropriately designed basin, or
minimizing feed wastage and spillage.
Lagoon sludge that is removed annually rather than stored long term will:
have more nutrients,
have more odor, and
require more land to properly use the nutrients.
Removal techniques:
Hire a custom applicator.
Mix the sludge and lagoon liquid with a chopper -agitator impeller
pump through large -bore sprinkler irrigation system onto nearby cropland;
and soil incorporate.
Dewater the upper part of lagoon by irrigation onto nearby cropland or
forageland; mix remaining sludge; pump into liquid sludge applicator; haul
and spread onto cropland or forageland; and soil incorporate.
Dewater the upper part of lagoon by irrigation onto nearby cropland or
forageland; dredge sludge from lagoon with dragline or sludge barge; berm
an area beside lagoon to receive the sludge so that liquids can drain back
into lagoon; allow sludge to dewater; haul and spread with manure spreader
onto cropland or forageland; and soil incorporate.
Regardless of the method, you must have the sludge material analyzed for waste
constituents just as you would your lagoon water. The sludge will contain different
nutrient and metal values from the liquid. The application of the sludge to fields will be
limited by these nutrients as well as any previous waste applications to that field and crop
requirement. Waste application rates will be discussed in detail in Chapter 3.
When removing sludge, you must also pay attention to the liner to prevent damage. Close
attention by the pumper or drag -line operator will ensure that the lagoon liner remains
intact. If you see soil material or the synthetic liner material being disturbed, you should
stop the activity immediately and not resume until you are sure that the sludge can be
removed without liner injury. If the liner is damaged it must be repaired as soon as
possible.
Sludge removed from the lagoon has a much higher phosphorus and heavy metal content
than liquid. Because of this it should probably be applied to land with low phosphorus
and metal levels, as indicated by a soil test, and incorporated to reduce the chance of
erosion. Note that if the sludge is applied to fields with very high soil -test phosphorus, it
should be applied only at rates equal to the crop removal of phosphorus. As with other
wastes, always have your lagoon sludge analyzed for its nutrient value.
The application of sludge will increase the amount of odor at the waste application site.
Extra precaution should be used to observe the wind direction and other conditions which
could increase the concern of neighbors.

�I
Possible Causes of Lagoon Failure
Lagoon failures result in the unplanned discharge of wastewater from the structure. Types
of failures include leakage through the bottom or sides, overtopping, and breach of the
dam. Assuming proper design and construction, the owner has the responsibility for
ensuring structure safety. items which may lead to lagoon failures include:
Modification of the lagoon structure ---an example is the placement of a pipe
in the dam without proper design and construction. (Consult an expert in
lagoon design before placing any pipes in dams.)
Lagoon liquid levels ---high levels are a safety risk.
Failure to inspect and maintain the dam.
Excess surface water flowing into the lagoon.
Liner integrity ---protect from inlet pipe scouring, damage during sludge
removal, or rupture from lowering lagoon liquid level below groundwater
table.
NOTE: If lagoon water is allowed to overtop the dam, the moving water will soon cause
gullies to form in the dam. Once this damage starts, it can quickly cause a large discharge
of wastewater and possible dam failure.

M
System Calibration
information presented in manufacturer's charts are based on average operation
conditions with relatively new equipment. Discharge rates and application rates
change over time as equipment gets older and components wear. In particular,
pump wear tends to reduce operating pressure and flow. With continued use,
nozzle wear results in an increase in the nozzle opening which will increase the
discharge rate while decreasing the wetted diameter.
You should be aware that operating the system differently than assumed in the
design will alter the application rate, diameter of coverage, and subsequently the
application uniformity. For example, operating the system with excessive pressure
results in smaller droplets, greater potential for drift, and accelerates wear of the
sprinkler nozzle. Clogging of nozzles can result in pressure increase. Plugged
intakes or crystallization of mainlines will reduce operating pressure. Operating
below design pressure greatly reduces the coverage diameter and application
uniformity.
For the above reason, you should calibrate your equipment on a regular basis to
ensure proper application rates and uniformity. Calibration at least once every
three years is recommended. Calibration involves collecting and measuring flow at
several locations in the application area. Any number of containers can be used to
collect flow and determine the application rate. Rain gauges work best because
they already have a graduated Scale from which to read the application amount
without having -to perform additioipal calculations. However, pans, plastic buckets,
jars, or anything with a uniform opening and cross-section can be used provided
the liquid collected can be easily transferred to a scaled container for measuring.
For stationary sprinklers, collection containers Should be located randomly
throughout the application area at several distances from sprinklers. For traveling
guns, sprinklers should be located along a transect perpendicular to the direction of
pull. Set out collection containers 25 feet apart along the transect on both sides of
the gun cart. You should compute the average application rate for all
nonuniformity of the application. On a windless day, variation between containers
of more than 30 percent is cause for concern. You should contact your irrigation
dealer or technical specialist for assistance.
"Reprinted for Certification Training for Operations of Animal Waste Management Systems Manual