WQ0040622_2022 Residual Annual Report_20230227 (2)

Initial Review
Reviewer
Nathaniel.Thornburg
Is this submittal an application? (Excluding additional information.) *
Yes No
If not an application what is the submittal type?* Annual Report
Residual Annual Report
Additional Information
Other
Annual Report Year* 2022
Permit Number (IR) * WQ0040622
Applicant/Permittee Atlantic OBX, Inc. dba Atlantic Sewage Control
Email Notifications
Does this need review by the hydrogeologist? * Yes No
Regional Office Washington
CO Reviewer
Admin Reviewer

Submittal Form
Project Contact Information
Please provide information on the person to be contacted by NDB Staff regarding electronic submittal, confirmation of receipt, and other correspondence.
Name* Stephen Cummings
Email Address*
[e-mail]
Project Information
.........................
Application/Document Type*
New (Fee Required)
Modification - Major (Fee Required)
Renewal with Major Modification (Fee
Required)
Annual Report
Additional Information
Other
Phone Number*
2524897317
Modification - Minor
Renewal
GW-59, NDMR, NDMLR, NDAR-1,
N DAR-2
Residual Annual Report
Change of Ownership
We no longer accept these monitoring reports through this portal. Please click on the link below and it will take you to the correct form.
https://edoes.deq.nc.gov/Forms/NonDischarge_Monitoring_Report
Permit Type:*
Wastewater Irrigation
High -Rate Infiltration
Other Wastewater
Reclaimed Water
Closed -Loop Recycle
Residuals
Single -Family Residence Wastewater
Other
Irrigation
Permit Number:*
WQ0040622
Has Current Existing permit number
Applicant/Permittee Address*
PO Box 2560, Kitty Hawk, NC 27949
Facility Name*
Atlantic OBX Class A Residuals Program
Please provide comments/notes on your current submittal below.
At this time, paper copies are no longer required. If you have any questions about what is required, please contact Nathaniel Thornburg
at [e-mail].
Please attach all information required or requested for this submittal to be reviewed here.
(Application Form, Engineering Plans, Specifications, Calculations, Etc.)
Class 2022 Annual Report.pdf 1.68MB
Upload only 1 PDF document (less than 250 MB). Multiple documents must be combined into one PDF file unless file is larger
than upload limit.
* By checking this box, I acknowledge that I understand the application will not be accepted for pre -review until the fee (if required) has
been received by the Non -Discharge Branch. Application fees must be submitted by check or money order and made payable to the
North Carolina Department of Environmental Quality (NCDEQ). I also confirm that the uploaded document is a single PDF with all parts
of the application in correct order (as specified by the application).
Mail payment to:
NCDEQ — Division of Water Resources
Attn: Non -Discharge Branch
1617 Mail Service Center
Raleigh, NC 27699-1617
Signature
Submission Date 2/27/2023

Atlantic OBX, Inc.
2022 ANNUAL LAND APPLICATION OF
RESIDUAL BIOSOLIDS REPORT
CLASS A PROGRAM
WQ0040622
Submitted by:
Atlantic OBX, INC.
PO Box 2560
Kitty Hawk, NC, 27949
2/27/23

noAir
- ; 0
;0
AO
P.O. Box 2560
KiTrY HAWK, NC 27949
[phone]
S TEPHENkATLANUC SE WAGE. COM
2/27/23
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Re: 2022 LAND APPLICATION ANNUAL REPORT
Atlantic OBX, Inc. "Class A Program"
NC Permit No.: WQ0040622
Information Processing Unit
Atlantic OBX, Inc. is submitting all monitoring and reporting requirements as specified in the
above referenced permit. Atlantic OBX has compiled this report using data gathered during the
compliance year. This data includes (1) the annual certification Form, (2) residual sampling
summary. (3) distribution & marketing summary form.
Atlantic OBX, Inc. distributed approximately 508.88 dry tons or 1,589,000 gallons of Class A
Water Treatment Plant residuals WTP residuals from the City of Elizabeth City's WTP during
2022. the residuals were distributed to farms in northeastern North Carolina for agricultural
uses.
If there is any further information required or questions regarding this annual report, please do
not hesitate to contact me or Elizabeth City (252-337-6626) for further assistance.
Regards,
.e'er may_
Stephen Cummings, Atlantic OBX, Inc.
J. Bryan Smith, Atlantic OBX
Bryan O. Lincoln, Atlantic OBX
P. -M 0 0 M-

Atlantic OBX, Inc. 2022 Land Application of Residual
Biosolids Report
WQ0040622
INDEX
Annual Certification Form
• Source Summary
Residual Sampling Summary Forms
• Elizabeth City WTP
Annual Distribution and Marketing Certification
and Summary Form

Atlantic OBX, Inc.
2022 Class A Annual Report
WQ0040622
Annual Certification Form
Source Summary

ANNUAL LAND APPLICATION CERTIFICATION FORM
WQ Permit#: WQ0040622 County: Dare Year:
2022
Facility Name (as shown on permit):
Land Application Operator:
J. Bryan Smith
Atlantic OBX, Inc. Class A
Phone: [phone]
Land application of residuals as allowed by the permit occurred during the past calendar year?
0 Yes 0 No - If No, skip Part A, and Part B and proceed to Part C. Also, If residuals were
generated but not land applied, please attach an explanation on how the residuals were handled.
Part A - Residuals Application Summary.
Total number of application fields in the permit:
N/A
Total number of fields utilized for land application during the year:
N/A
Total amount of dry tons applied during the year for all application sites:
508.88
Total number of acres utilizes for land application during the year:
N/A
Part B - Annual Compiance Statement:
Facility was compliant during calendar year 2022 with all conditions of the land application permit
(including but not limited to items 1-13 below) issued by the Division of Water Resources. 0 Yes 0 No
If no please, provide a written description why the facility was not compliant, the dates, and explain corrective action
taken.
1) Only residuals approved for this permit were applied to the permitted sites.
2) Soil pH was adjusted as specified in the permit and lime was applied (if needed) to achieve a soil pH of at least 6.0 or the
limit specified in the permit.
3) Annual soils analysis were performed on each site receiving residuals during the past calendar year and three (3) copies
of laboratory results are attached.
4) Annual TCLP analysis (if required) was performed and three (3) copies of certified laboratory results are attached.
5) All other monitoring was performed in accordance with the permit and reported during the year as required and three (3)
copies of certified laboratory results are attached.
6) The facility did not exceed any of the Pollutant Concentration Limits in 15A NCAC 02T .I 105(a) or the Pollutant
Loading Rates in 15A NCAC 02T .1105(b) (applicable to 40 CFR Part 503 regulated facilities).
7) All general requirements in as specified in the Land Application Permit were complied with (applicable to 40 CFR Part
503 regulated facilities).
8) All monitoring and reporting requirements in 15A NCAC 02T .1 I I I were complied with (applicable to 40 CFR Part 503
regulated facilities).
9) All operations and maintenance requirements in the permit were complied with or, in the case of a deviation, prior
authorization was received from the Division of Water Resources.
10) No contravention of Ground Water Quality Standards occurred at a monitoring well or explanations of violations are
attached to include appropriate actions and remediations.
11) Vegetative cover was maintained and proper crop management was performed on each site receing residuals, as specified
in the permit.
12) No runoff of residuals from the application sites onto adjacent property or nearby surface waters has occurred.
13) All buffer requirements as specified on the permit were maintained during each application of residuals.
Part C - Certification:
"I certify, under penalty of law, that the above information is, to the best of my knowledge and belief, true, accurate,
and complete. I am aware that there are significant penalties for submitting false information, including the
possibility of fines and imprisonment for knowing violations."
J. Bryan Smith, President
2/09/2022
Permittee Name and Title (type or print) Signature of Pennittee Date
Signature of Preparer*
Date Signature of Land Applier
(if different from Pennittee) (if different from Pennittee and Preparer)
* Preparer is defined in 40 CFR Part 503.9 (r) and 15A NCAC 02T .1102 (26)
Date
DENR FORM ACF (12/2006)

Source Summary Report
WWTP Volume Applied Measurement Total Dry Tons
Elizabeth City WTP 1,589,000 Gallons 508.880
Total 1,589,000 508.88

Atlantic OBX, Inc.
2022 Class A Annual Report
WQ0040622
Residual Summary Form
Elizabeth City WTP
Field Loading Calculations
2022 Analytical & TCLP

ANNUAL RESIDUAL SAMPLING SUMMARY FORM
WQ Permit No. WQ0002883 Facility Name City of Elizabeth City Source Permit No. 04-70-010 Source Name Elizabeth City WTP
Laboratory 1
Laboratory 2
Sample or Composite Date
Parameter (mg/Kg) Class A Class B
Environmental
Chemists, Inc.
Environmental
Chemists, Inc.
Environmental
Chemists, Inc.
Environmental
Chemists, Inc.
Environmental
Chemists, Inc.
Environmental
Chemists, Inc.
2/28/22
3/30/2022
6/8/2022
7/12/2022
9/8/2022
11/9/2022
Aluminum
N/A
N/A
6,580
13,800
14,300
13,200
8,610
9,250
Ammonia
N/A
N/A
38.5
233
1,230
1.57
1.32
0.747
Arsenic
41
75
43.10
4.70
9.58
6.74
3.46
3.05
Cadmium
39
85
0.112
4.70
9.58
6.74
3.46
3.05
Calcium
N/A
N/A
130,000
342,000
274,000
458,000
207,000
235,000
Copper
1,500
4,300
43.10
4.70
9.58
6.74
3.46
3.05
Lead
Magnesium
300
840
43.10
4.70
9.58
10.10
3.46
3.05
N/A
N/A
11,800
129,000
13,400
13,800
8,570
9,870
Mercury
17
57
5.81
0.157
0.414
0.282
0.249
0.141
Molybdenum
N/A
75
43.10
4.70
9.58
6.74
3.46
3.05
Nickel
420
420
43.10
4.70
9.58
6.74
3.46
3.05
Nitrate -Nitrite
Nitrogen
N/A
N/A
101
2.69
11.30
7.05
3.31
8.26
Percent Solids
N/A
N/A
0.26
10.60
4.25
6.38
7.60
13.40
pH (no units)
N/A
N/A
8.27
8.24
7.63
7.68
9.08
9.40
Phosphorus
N/A
N/A
444
636
463
294
97.9
182
Potassium
N/A
N/A
2,146
235
478
337
176
152
PAN (Inj./Inc.)
N/A
N/A
140
236
1,241
9.00
5.00
9.00
PAN (Surface)
N/A
N/A
120
119
626
8.00
4.00
8.60
Selenium
100
100
43.10
4.70
9.58
8.15
3.46
3.05
Sodium
N/A
N/A
15,300
689
1,320
1,000
755
527
SAR
N/A
N/A
0.55
0.10
0.14
0.10
0.12
0.11
TKN
N/A
N/A
5,450
537
1,920
7.80
317
294
Zinc
2,800
7,500
1 43.10
1 4.70
1 9.58
1 6.74
1 3.46
1 3.05
"I certify, under penalty of law, that this document was prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gathered and
evaluated the information submitted. I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
2/21/23
Sig- of p.p- * Date
*Preparer is defined in 40 CFR Part 503.9(r) and 15A NCAC 2T .1102 (26)

Facility
Sampling Date
% Solids
Mineralization Rate
Gallons Per DT
pH
Elizabeth City WTP
2/28/2022
0.26
0
92233.91
8.27
Field Loading Estimate
SAR 0.55 <5.0 Safe 5.0 - 10.0 Careful Management >15.0 Do Not Land Apply
SAR Calculation
Value From source Meq/L
Na 15300 1.729565217
Ca 130,000 16.9
Mg 11800 2.556666667
I Nitrogen Application Nutrient Application
TKN (mg/Kg)
5450
lbs./1000 gal 0.118
(mg/Kg)
Ammonia Nitrogen (mg/Kg)
38.5
lbs./1000 gal 0.001
Potassium
2146
Nitrate -Nitrite (mg/Kg)
101
lbs./1000 gal 0.002
Phosphorus
444
Calcium
130,000
Plant Available Nitrogen Surface Applied
Magnesium
11800
PAN (mg/Kg) 120.25
(lbs./1000 gal)
0.003
Molybdenum
43.1
Chromium
43.1
Plant Available Nitrogen Injected/Incorporated Applied
PAN (mg/Kg) 139.5 (lb s./1000 gal) 0.003
Volatilization Rate= .5 Surface Application
1.0 Injection/ Incorporation
(lbs./1000 gal)
0.0465
0.0096
2.8148
0.2555
0.0009
0.0009
EPA Metal
Limits
Class A Ceiling
Class B Ceiling
Limits (mg/Kg)
Limits (mg/Kg)
Heavy Metal Concentration (mg/Kg)
Heavy Metal Loading (lbs./1000
Arsenic
43.1
Arsenic
0.0009
41
75
39
85
Cadmium
0.112
Cadmium
0.0000
1,500
4,300
Copper
43.1
Copper
0.0009
300
840
Lead
43.1
Lead
0.0009
17
57
Mercury
5.81
Mercury
0.0001
420
420
Nickel
43.1
Nickel
0.0009
100
100
Selenium
43.1
Selenium
0.0009
2,800
7,500
Zinc
43.1
Zinc
0.0009
Residual Nitrogen Calculation
TKN
Surface (S)
PAN (S)
lbs/DT
Ing Organic N
TKN
Subsurface
(INJ)
(INJ)
Organic N
1 st Year
5450
120
0.24
5330
5450
140
0.28
5311
2nd Year
5330
0
0.00
5330
5311
0
0.00
5311
3rd Year
5330
0
0.00
5330
5311
0
0.00
5311
4th Year
5330
0
0.00
5330
5311
0
0.00
5311
5th Year
5330
0
0.00
5330
5311
0
0.00
5311
Total
120
0.24
Total
140
0.28
Equations
1st Yr. PAN (mg/Kg)-(MR x (TKN-NH3))+(VR x NH3)+NOx
2nd Yr PAN (mg/Kg)- 2nd Yr. TKN x (MR/2)
3id Yr PAN (mg/Kg)- 3id Yr. TKN x (MR/4)
4th Yr PAN (mg/Kg)- 4th Yr. TKN x (MR/8)
5th Yr PAN (mg/Kg)- 5th Yr. TKN x (MR/16)

Environmental Chemists, Inc.
envirochem
ANALYTICAL & CONSULTING CHEMISTS
6602 Windmill Way, Wilmington, NC 28405 ' 910.392.0223 Lab ' 910.392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 ' 252.473.5702 Lab/Fax
255-A Wilmington Highway, Jacksonville, NC 28540 ' 910.347.5843 Lab/Fax
infoCenvironmentalchemists.com
Atlantic OBX
Revised Report: May 03, 2022
PO Box 2560
Original Report Date: Mar 18, 2022
Kitty Hawk NC 27949
Report #: 2022-03659
Attention:
Customer ID: 18120006
Project ID: Elizabeth City WTP
Lab ID Sample ID:
Collect Date/Time Matrix Sampled by
22-08652 Site: Sludge
2/28/2022
11:45 AM Solid/Sludge Stephen Cummings
Test
Method
Results
Date Analyzed
Chlordane (TCLP)
SW-846 8081 B
<0.02 mg/L
03/08/2022
Endrin (TCLP)
SW-846 8081 B
<0.0005 mg/L
03/08/2022
Heptachlor (TCLP)
SW-846 8081 B
<0.0005mg/L
03/08/2022
Heptachlor epoxide (TCLP)
SW-846 8081 B
<0.0005 mg/L
03/08/2022
Lindane (TCLP)
SW-846 8081 B
<0.0005 mg/L
03/08/2022
Methoxychlor (TCLP)
SW-846 8081 B
<0.0005 mg/L
03/08/2022
Toxaphene (TCLP)
SW-846 8081 B
<0.05 mg/L
03/08/2022
2,4,5-TP (TCLP)
SW-846 8151 A
<0.003 mg/L
03/08/2022
2,4-D (TCLP)
SW-846 8151 A
<0.003 mg/L
03/08/2022
1,4-Dichlorobenzene (TCLP)
SW-848 8270 E
<0.050 mg/L
03/10/2022
2,4,5-Trichlorophenol (TCLP)
SW-846 8270 E
<0.050 mg/L
03/10/2022
2,4,6-Trichlorophenol (TCLP)
SW-846 8270 E
<0.050 mg/L
03/10/2022
2,4-Dinitrotoluene (TCLP)
SW-846 8270 E
<0.050 mg/L
03/10/2022
Cresol (TCLP)
SW-846 8270 E
<0.050 mg/L
03/10/2022
Hexachloro-1,3-butadiene (TCLP)
SW-846 8270 E
<0.050 mg/L
03/10/2022
Hexachlorobenzene (TCLP)
SW-846 8270 E
<0.050 mg/L
03/10/2022
Hexachloroethane (TCLP)
SW-846 8270 E
<0.050 mg/L
03/10/2022
m + p-Cresol (TCLP)
SW-846 8270 E
<0.050 mg/L
03/10/2022
Nitrobenzene (TCLP)
SW-846 8270 E
<0.050 mg/L
03/10/2022
o-Cresol (TCLP)
SW-846 8270 E
<0.050 mg/L
03/10/2022
Pentachlorophenol (TCLP)
SW-846 8270 E
<0.250 mg/L
03/10/2022
Pyridine (TCLP)
SW-846 8270 E
<0.050 mg/L
03/10/2022
1,1-Dichloroethylene (TCLP)
SW-846 Method 8260D
<0.01 mg/L
03/08/2022
1,2-Dichloroethane (TCLP)
SW-846 Method 8260D
<0.01 mg/L
03/08/2022
Benzene (TCLP)
SW-846 Method 8260D
<0.01 mg/L
03/08/2022
Carbon Tetrachloride (TCLP)
SW-846 Method 8260D
<0.01 mg/L
03/08/2022
Report#:: 2022-03659
Page 1 of 3

Environmental Chemists,
Inc.
envitrochem6602
Windmill Way, Wilmington, NC 28405 ' 910.392.0223 Lab • 910.392.4424 Fax
sM
710 Bowsertown Road, Manteo, NC 27954 ■ 252.473.5702 Lab/Fax
255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax
ANALYTICAL & CONSULTING CHEMISTS
[e-mail]
Atlantic OBX
Revised Report: May 03, 2022
PO Box 2560
Original Report Date: Mar 18, 2022
Kitty Hawk NC 27949
Report #: 2022-03659
Attention:
Customer ID: 18120006
Project ID: Elizabeth City WTP
Chlorobenzene (TCLP)
SW-846 Method 8260D <0.01 mg/L
03/08/2022
Chloroform (TCLP)
SW-846 Method 8260D <0.01 mg/L
03/08/2022
Methyl ethyl ketone (TCLP)
SW-846 Method 8260D <0.05 mg/L
03/08/2022
Tetrachloroethylene (TCLP)
SW-846 Method 8260D <0.01 mg/L
03/08/2022
Trichloroethylene (TCLP)
SW-846 Method 8260D <0.01 mg/L
03/08/2022
Vinyl Chloride (TCLP)
SW-846 Method 8260D <0.01 mg/L
03/08/2022
RCI
Cyanide
SM 4500 CN D-2016
<1.0 mg/kg
03/01 /2022
Sulfide
SM 4500 S D
< 1.00 mg/kg
03/03/2022
Ignitability
SW 846 method 1010
>159 °F
03/08/2022
Sludge Residuals
Aluminum
EPA 200.7, Rev. 4 4,1994
6580 mg/kg
03/07/2022
Arsenic
EPA 200.7, Rev. 4.4, 1994
<43.1 mg/kg
03/07/2022
Cadmium
EPA 200.7, Rev. 4.4,1994
<0.112 mg/kg
03/07/2022
Calcium
EPA 200.7, Rev. 4.4,1994
130000 mg/kg
03/07/2022
Chromium
EPA 200.7, Rev. 4.4,1994
<43.1 mg/kg
03/07/2022
Copper
EPA 200.7, Rev. 4.4,1994
<43.1 mg/kg
03/07/2022
Lead
EPA 200.7, Rev. 4.4,1994
<43.1 mg/kg
03/07/2022
Magnesium
EPA 200.7, Rev. 4.4,1994
11800 mg/kg
03/07/2022
Molybdenum
EPA 200.7, Rev. 4.4,1994
<43.1 mg/kg
03/07/2022
Nickel
EPA 200.7, Rev. 4.4, 1994
<43.1 mg/kg
03/07/2022
Potassium
EPA 200.7, Rev. 4.4,1994
<2146 mg/kg
03/07/2022
Selenium
EPA 200.7, Rev. 4.4,1994
<43.1 mg/kg
03/07/2022
Sodium
EPA 200.7, Rev. 4.4,1994
15300 mg/kg
03/07/2022
Zinc
EPA 200.7, Rev. 4.4,1994
<43.1 mg/kg
03/07/2022
Nitrate+Nitrite-Nitrogen
EPA 353.2
101 mg/kg
03/02/2022
Total Solids (%)
SM 2540 B
0.26 %
03/04/2022
Ammonia Nitrogen
SM 4500 NH3 C-2011
<38.5 mg/kg
03/02/2022
Total Kjeldahl Nitrogen (TKN)
SM 4500 Norg B-2011
5450 mg/kg
03/03/2022
Report #:: 2022-03659 Page 2 of 3

Environmental Chemists, Inc.
envirochem 6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab • 910.392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 ■ 252.473.5702 Lab/Fax
sM 255-A Wilmington Highway, Jacksonville, NC 28540 + 910.347.5843 Lab/Fax
ANALYTICAL & CONSULTING CHEMISTS [e-mail]
Atlantic OBX
PO Box 2560
Kitty Hawk
Attention:
NC 27949
Revised Report: May 03, 2022
Original Report Date: Mar 18, 2022
Report #: 2022-03659
Customer ID: 18120006
Project ID: Elizabeth City WTP
Total Phosphorus
SM 4500 P (F-H)-2011
444 mg/kg
03/04/2022
pH
SW 846 Method 9045D
8.27 units
03/14/2022
Result estimated.
Analyzed out of 15 minutes hold time.
Mercury
SW-846 7471 B
<5.81 mg/kg
03/09/2022
TCLP Metals
Arsenic
EPA 200.7, Rev. 4.4,1994
<1.0 mg/L
03/07/2022
Barium
EPA 200.7, Rev. 4 4, 1994
<1.0 mg/L
03/07/2022
Cadmium
EPA 200.7, Rev. 4.4,1994
<1.0 mg/L
03/07/2022
Chromium
EPA 200.7, Rev. 4.4, 1994
<1.0 mg/L
03/07/2022
Lead
EPA 200.7, Rev. 4.4,1994
<1.0 mg/L
03/07/2022
Selenium
EPA 200.7, Rev. 4.4,1994
<1.0 mg/L
03/07/2022
Silver
EPA 200.7, Rev. 4.4, 1994
<1.0 mg/L
03/07/2022
Mercury
EPA 245.1
<0.0002 mg/L
03/09/2022
Comment: Sludge residuals, except pH, reported on a dry weight basis. pH reported on an as received basis.
AMENDED 05/03/2022 to correct project name.
Reviewed by:
`=EQ�,yt,,�� Z�4��
Report #:: 2022-03659 Page 3 of 3

Environmental Chemist, Inc., Wilmington, NC Lab #94
6602 Windmill Way
Wilmington, NC 28405
Sam le R 910.392.0223
�'�'\`�1 I _II + r'p eceipt Checklist
Client:I�T60HC BX Ik"i (.c �^.o "t
Date: 2 Z Report Number: _ 2022_
Receipt of sample:
P E HEM Pickup ❑ Client Delivery ❑ UPS
El YES El NO FedEx ❑ Other N/A ❑
1. Were custody seals present on the cooler?
❑ YES ❑ NO N/A 2. If custody seals were present, were they intact/unbroken?
Original temperature upon receipt °C
How temperature taken: ❑ Temperature Blank Corrected temperature upon receipt
°C
IR Gun ID: Thomas Traceable S/N: 210835468 IR Gun Ces
orrecti n lactorr Ct10.0
❑ YES ❑ NO 3. If temperature of cooler exceeded 6°C, was Project M r.
YES El 4. Were proper custody� g /QA notified?
procedures (relinquished/received) followed?
YES ❑ NO 5. Were sample ID's listed on the COL?
YES ❑ NO 6. Were samples ID's listed on sample containers?
YES ❑ NO 7. Were collection date and time listed on the COC?
YES ❑ NO 8. Were tests to be performed listed on the COC?
YES ❑ NO 9. Did samples arrive in proper containers for each test?
_ Y=5 ❑ t'IO 110. Did sdlliples arrive in good condition for each test? 1411 Yr� I NO 111 IA a rin i Rte /_5 a-._q.l_,_ caM.O!e volume available?'^
YES ❑ NO 12. Were samples received within proper holding time for requested tes ?
❑ YES El NO .1 Were acid preserved samples received at a pH of <2?ts.
❑ YES ❑ NO 14. Were cyanide samples received at a pH >12?
❑ YES ❑ NO 15. Were sulfide samples received at a pH >9?
❑ YES ❑ NO 16. bVere N13/TKN/Phenol received at a chlorine residual of <0.5 m/L? ' f
❑ YES ❑ NO 17. Were Sulfide/Cyanide received at a chlorine residual of <0.5 m/L?
❑ YES ❑ NO 18. Were orthophosphate samples filtered in the field within 15 minutes?
* TOC/Volatiies are pH checked at time of analysis and recorded on the benchsheet.
** Bacteria samples are checked for Chlorine at time of analysis and recorded on the benchshe2t.
Sample Preservation: (Must be completed for any
Sam le /samples) incorrectly preserved or with headspace)
P _(s) were received incorrectly preserved and were adjusted accordingly
by adding (circle one): H2SO4 HNO3 HCI NaOH
Time of preservation: If more than one preservative is needed, notate in comments below
Vote: Notify cu5tomer service immediately
diat_ for incorrectly preserved samples. Obtain a new sa nple or
tour y the sate lab if directed to ana'yzed by the custorr,e,. who was notified, date and time:
Volatiles Sample(s)
were received with headspace
COMMENTS:
DOC. QA.002 Rev 1

Y/
CL G
y
ry
� xf
CL
• e �
C
cD
e�
b
� A
a
�
A
CD
'� N
C� rd C� ►0 ►d �] 'd 0 0
r
a!
X:
O
G ep
�
r m
r' NUMBER
N �y
c
w
� a
Sample
Type
Composite
or 1
Grab
y Caatainer
(PorG) fig
Chlodne
mg/L 11
O
NONE
HCL
%9011 C
L
h �
NaOH " j
Tffio
oil=
K
J

Facility
Sampling Date
% Solids
Mineralization Rate
Gallons Per DT
pH
SAR
SAR Calculation
Value From source
Na
Ca
Mg
Field Loading Estimate
Elizabeth City WTP
3/30/2022
10.6
0
2262.34
8.24
0.10 <5.0 Safe 5.0 - 10.0 Careful Management >15.0 Do Not Land Apply
Meq/L
689 3.175391304
342,000 1812.6
12900 113.95
I Nitrogen Application Nutrient Application
TKN (mg/Kg)
537
lbs./1000 gal 0.474
(mg/Kg)
Ammonia Nitrogen (mg/Kg)
233
lbs./1000 gal 0.206
Potassium
235
Nitrate -Nitrite (mg/Kg)
2.69
lbs./1000 gal 0.002
Phosphorus
636
Calcium
342,000
Plant Available Nitrogen Surface Applied
Magnesium
12900
PAN (mg/Kg) 119.19
(lbs./1000 gal)
0.105
Molybdenum
4.7
Chromium
4.7
Plant Available Nitrogen Injected/Incorporated Applied
PAN (mg/Kg) 235.69 (lb s./1000 gal) 0.208
Volatilization Rate= .5 Surface Application
1.0 Injection/ Incorporation
(lbs./1000 gal)
0.2074
0.5614
301.9033
11.3876
0.0041
0.0041
EPA Metal
Limits
Class A Ceiling
Class B Ceiling
Limits (mg/Kg)
Limits (mg/Kg)
Heavy Metal Concentration (mg/Kg)
Heavy Metal Loading (lbs./1000
Arsenic
4.7
Arsenic
0.0041
41
75
39
85
Cadmium
4.7
Cadmium
0.0041
1,500
4,300
Copper
4.7
Copper
0.0041
300
840
Lead
4.7
Lead
0.0041
17
57
Mercury
0.157
Mercury
0.0001
420
420
Nickel
4.7
Nickel
0.0041
100
100
Selenium
4.7
Selenium
0.0041
2,800
7,500
Zinc
4.7
Zinc
0.0041
Residual Nitrogen Calculation
TKN
Surface (S)
PAN (S)
lbs/DT
Ing Organic N
TKN
Subsurface
(INJ)
(INJ)
Organic N
1 st Year
537
119
0.24
418
537
236
0.47
301
2nd Year
418
0
0.00
418
301
0
0.00
301
3rd Year
418
0
0.00
418
301
0
0.00
301
4th Year
418
0
0.00
418
301
0
0.00
301
5th Year
418
0
0.00
418
301
0
0.00
301
Total
119
0.24
Total
236
0.47
Equations
1st Yr. PAN (mg/Kg)-(MR x (TKN-NH3))+(VR x NH3)+NOx
2nd Yr PAN (mg/Kg)- 2nd Yr. TKN x (MR/2)
3id Yr PAN (mg/Kg)- 3id Yr. TKN x (MR/4)
4th Yr PAN (mg/Kg)- 4th Yr. TKN x (MR/8)
5th Yr PAN (mg/Kg)- 5th Yr. TKN x (MR/16)

[en7virroehiem
ANALYTICAL & CONSULTING CHEMISTS
Environmental Chemists, Inc.
6602 Windmill Way, Wilmington, NC 28405 ' 910.392.0223 Lab • 910.392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax
255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax
[e-mail]
Atlantic OBX
Revised Report: May 03, 2022
PO Box 2560
Original Report Date: Apr 27, 2022
Kitty Hawk NC
27949
Report #: 2022-05795
Attention:
Customer ID: 18120006
Project ID: Elizabeth City WTP
Lab ID Sample ID:
Collect Date/Time Matrix Sampled by
22-14044 Site: Sludge
3/30/2022
11:10 AM Solid/Sludge Client
Test
Method
Results
Date Analyzed
Sludge Residuals
Aluminum
EPA 200.7, Rev. 4.4, 1994
13800 mg/kg
04/14/2022
Arsenic
EPA 200.7, Rev. 4.4, 1994
<4.70 mg/kg
04/14/2022
Cadmium
EPA 200.7, Rev. 4.4,1994
<4.70 mg/kg
04/14/2022
Calcium
EPA 200.7, Rev. 4.4, 1994
342000 mg/kg
04/20/2022
Chromium
EPA 200.7, Rev. 4.4,1994
<4.70 mg/kg
04/14/2022
Copper
EPA 200.7, Rev. 4.4,1994
<4.70 mg/kg
04/14/2022
Lead
EPA 200.7, Rev. 4.4, 1994
<4.70 mg/kg
04/14/2022
Magnesium
EPA 200.7, Rev. 4.4, 1994
12900 mg/kg
04/14/2022
Molybdenum
EPA 200.7, Rev. 4.4, 1994
<4.70 mg/kg
04/14/2022
Nickel
EPA 200.7, Rev. 4.4, 1994
<4.70 mg/kg
04/14/2022
Potassium
EPA 200.7, Rev. 4.4, 1994
<235 mg/kg
04/14/2022
Selenium
EPA 200.7, Rev. 4.4, 1994
<4.70 mg/kg
04/14/2022
Sodium
EPA 200.7, Rev. 4.4,1994
689 mg/kg
04/14/2022
Zinc
EPA 200.7, Rev. 4.4, 1994
<4.70 mg/kg
04/14/2022
Nitrate+Nitrite-Nitrogen
EPA 353.2
2.69 mg/kg
04/01/2022
Total Solids (%)
SM 2540 B
10.6 %
04/01/2022
Ammonia Nitrogen
SM 4500 NH3 C-2011
233 mg/kg
04/01/2022
Total Kjeldahl Nitrogen (TKN)
SM 4500 Norg B-2011
537 mg/kg
04/01/2022
Total Phosphorus
SM 4500 P (F-H)-2011
636 mg/kg
04/06/2022
pH
SW 846 Method 9045D
8.24 units
04/12/2022
Result estimated. Analyzed out
of 15 minutes hold time
Mercury
SW-846 7471 B
<0.157 mg/kg
04/04/2022
Comment: Sludge residuals, except pH, reported on a dry weight basis. pH reported on an as received basis.
AMENDED 05/03/2022 to correct project name
Reviewed by:
Report #:: 2022-05795 Page 1 of 1

Environmental Chemist, Inc., Wilmington, NC Lab #94
6602 Windmill Way
Wilmington, NC 28405
Sample Receipt Checklist 910.392.0223
Client:_ N 1,G Vn�i Q e) y 3 3 I 2.2 Date: �_ Report Number: _ 2022- t:57c:�'15
Receipt of sample:
❑ YES ❑ NO
HEM Pickup ElClientClient Delivery❑ UPS FedEx Other ❑
O
N/A
O YES
❑ NO
N/A
1. Were custody seals present on the cooler?
Original temperature
upo
r ceipt---`C
2. If custody seals were present, were they intact/unbroken?
Corrected temperature upon receipt__
How temperature taken: ❑ Temperature Blank
Against Bottles
IR Gun ID: Thomas Traceable S/N 192511657 IR Gun Correction Factor'C: 0.0
YES
YES
❑ NO
❑
3. If temperature of cooler exceeded 6°C, was Project Mgr./QA notified?
YES
NO
❑
4. Were proper custody procedures (relinquished/received) followed?
NO
5. Were sample ID's listed on the COC?
YES
❑ NO
6. Were samples ID's listed on sample containers?
YES
❑ NO
7. Were collection date and time listed on the COC?
YES
❑ NO
8. Were tests to be performed listed on the COC?
YES
YES
❑ NO
❑
9. Did samples arrive in proper containers for each test?
NO
10. Did samples arrive in good condition for each test?
YES
❑ NO
11. Was adequate sample volume available?'
YES
❑
❑ NO
12. Were samples received within proper holding time for requested tests?
YES
❑
❑ NO
13. Were acid preserved samples received at a pH of <2?
YES
❑ NO
14. Were cyanide samples received at a pH >12?
❑ YES
❑ NO
15. Were sulfide samples received at a pH >9?
❑ YES
❑ YES
❑ NO
❑
16. Were NH3/TKN/Phenol received at a chlorine residual of <0.5 m/L?
❑ YES
NO
❑
17. Were Sulfide/Cyanide received at a chlorine residual of <0.5 m/L?
NO
18. Were orthophosphate samples filtered in the field within 15 minutes?
* TOC/Volatiles are pH checked at time of analysis and recorded on the benchsheet.
** Bacteria samples are checked for Chlorine at time of analysis and recorded on the benchsheet.
;ample Preservation: (Must be completed for any sample(s) incorrectly preserved or with headspace)
;ample(s) were received incorrectly preserved and were adjusted accordingly
iy adding (circle one): H2504 HNO3 HCl NaOH
'ime of preservation: If more than one preservative is needed, notate in comments below
ote: Notify customer service immediately for incorrectly preserved samples. Obtain a new sample or
3tify the state lab if directed to analyzed by the customer. Who was notified, date and time:
olatiles Sample(s) were received with headspace
COMMENTS:
DOC. QA.002 Rev 1
'C

N ~
a
U
a
e
2
G
rt
N
o
en
�
N
LAB ID
A
NUMBER
eD
W
C
�
ttA
a
o
n
q
21
II
Sample
Type
Compositeor
Grab
Z
G"
5
(P or
v;
m
CA
L
Chlorine
M
0
NONE
C
�
�
b
NaOH
O
::
TRIO
OTHER
7,
k
roe
�U'
a
o
r.
A
�D
,
u
y
0 r
s n
D
y O
h
4
T11
A N
let G r. t o
0.
o o �
WWz�
N
c 4p,ON°C
N N A
1 U

Facility
Sampling Date
% Solids
Mineralization Rate
Gallons Per DT
pH
Elizabeth City WTP
6/8/2022
4.25
0
5642.54
7.63
Field Loading Estimate
SAR 0.14 <5.0 Safe 5.0 - 10.0 Careful Management >15.0 Do Not Land Apply
SAR Calculation
Value From source Meq/L
Na 1320 2.439130435
Ca 274,000 582.25
Mg 13400 47.45833333
I Nitrogen Application Nutrient Application
TKN (mg/Kg)
1920
lbs./1000 gal 0.680
(mg/Kg)
Ammonia Nitrogen (mg/Kg)
1230
lbs./1000 gal 0.435
Potassium
478
Nitrate -Nitrite (mg/Kg)
11.3
lbs./1000 gal 0.004
Phosphorus
463
Calcium
274,000
Plant Available Nitrogen Surface Applied
Magnesium
13400
PAN (mg/Kg) 626.3
(lbs./1000 gal)
0.222
Molybdenum
9.58
Chromium
9.58
Plant Available Nitrogen Injected/Incorporated Applied
PAN (mg/Kg) 1241.3 (lb s./1000 gal) 0.439
Volatilization Rate= .5 Surface Application
1.0 Injection/ Incorporation
(lbs./1000 gal)
0.1692
0.1639
96.9785
4.7427
0.0034
0.0034
EPA Metal
Limits
Class A Ceiling
Class B Ceiling
Limits (mg/Kg)
Limits (mg/Kg)
Heavy Metal Concentration (mg/Kg)
Heavy Metal Loading (lbs./1000
Arsenic
9.58
Arsenic
0.0034
41
75
39
85
Cadmium
9.58
Cadmium
0.0034
1,500
4,300
Copper
9.58
Copper
0.0034
300
840
Lead
9.58
Lead
0.0034
17
57
Mercury
0.414
Mercury
0.0001
420
420
Nickel
9.58
Nickel
0.0034
100
100
Selenium
9.58
Selenium
0.0034
2,800
7,500
Zinc
9.58
Zinc
0.0034
Residual Nitrogen Calculation
TKN
Surface (S)
PAN (S)
lbs/DT
Ing Organic N
TKN
Subsurface
(INJ)
(INJ)
Organic N
1 st Year
1920
626
1.25
1294
1920
1241
2.48
679
2nd Year
1294
0
0.00
1294
679
0
0.00
679
3rd Year
1294
0
0.00
1294
679
0
0.00
679
4th Year
1294
0
0.00
1294
679
0
0.00
679
5th Year
1294
0
0.00
1294
679
0
0.00
679
Total
626
1.25
Total
1241
2.48
Equations
1st Yr. PAN (mg/Kg)-(MR x (TKN-NH3))+(VR x NH3)+NOx
2nd Yr PAN (mg/Kg)- 2nd Yr. TKN x (MR/2)
3rd Yr PAN (mg/Kg)- 3rd Yr. TKN x (MR/4)
4th Yr PAN (mg/Kg)- 4th Yr. TKN x (MR/8)
5th Yr PAN (mg/Kg)- 5th Yr. TKN x (MR/16)

envirochem
ANALYTICAL & CONSULTING CHEMISTS
Environmental Chemists, Inc.
6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab • 910.392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax
255-A Wilmington Highway, Jacksonville, NC 28540 ■ 910.347.5843 Lab/Fax
[e-mail]
Atlantic OBX
Date of Report: Jun 30, 2022
PO Box 2560
Customer PO #:
Kitty Hawk NC 27949
Customer ID: 18120006
Attention:
Report #: 2022-10660
Project ID: Elizabeth City WTP
Lab ID Sample ID:
22-25827 Site: Sludge
Collect Date/Time Matrix Sampled by
6/8/2022 11:35 AM Solid/Sludge Stephen Cummings
Test
Method
Results
Date Analyzed
Sludge Residuals
Aluminum
EPA 200.7, Rev. 4.4,1994
14300 mg/kg
06/20/2022
Arsenic
EPA 200.7, Rev. 4.4,1994
<9.58 mg/kg
06/20/2022
Cadmium
EPA 200.7, Rev. 4.4,1994
<9.58 mg/kg
06/20/2022
Calcium
EPA 200.7, Rev. 4.4,1994
274000 mg/kg
06/28/2022
Chromium
EPA 200.7, Rev. 4.4,1994
<9.58 mg/kg
06/20/2022
Copper
EPA 200.7, Rev. 4.4,1994
<9.58 mg/kg
06/20/2022
Lead
EPA 200.7, Rev. 4.4,1994
<9.58 mg/kg
06/20/2022
Magnesium
EPA 200.7, Rev. 4.4,1994
13400 mg/kg
06/20/2022
Molybdenum
EPA 200.7, Rev. 4.4,1994
<9.58 mg/kg
06/20/2022
Nickel
EPA 200.7, Rev. 4.4,1994
<9.58 mg/kg
06/20/2022
Potassium
EPA 200.7, Rev. 4.4,1994
<478 mg/kg
06/28/2022
Selenium
EPA 200.7, Rev. 4.4, 1994
<9.58 mg/kg
06/20/2022
Sodium
EPA 200.7, Rev. 4.4,1994
1320 mg/kg
06/20/2022
Zinc
EPA 200.7, Rev. 4.4,1994
<9.58 mg/kg
06/20/2022
Nitrate+Nitrite-Nitrogen
EPA 353.2
11.3 mg/kg
06/15/2022
Total Solids (%)
SM 2540 B
4.25 %
06/14/2022
Ammonia Nitrogen
SM 4500 NH3 C-2011
1230 mg/kg
06/13/2022
Total Kjeldahl Nitrogen (TKN)
SM 4500 Norg B-2011
1920 mg/kg
06/13/2022
Total Phosphorus
SM 4500 P (F-H)-2011
463 mg/kg
06/20/2022
pH
SW 846 Method 9045D
7.63 units
06/28/2022
Result estimated. Analyzed out of 15 minutes hold time.
Mercury
SW-846 7471 B
<0.414 mg/kg
06/17/2022
Comment: Results, except pH, reported on a dry weight basis. pH
reported on an as received basis.
Reviewed by: ��_
au" X
Report #:: 2022-10660 Page 1 of 1

Environmental Chemist, Inc., Wilmington, NC Lab #94 6602 Windmill Way
Wilmington, NC 28405
910.392.0223
Sample Receipt Checklist
Client: P4A Cn�iC Date: 1 22
Report Number: _ 2022-1 o(,C,(,_,D
Receipt of sample:
ECHEM Pickup ❑ Client Delivery ❑
UPS FedEx ❑ Other ❑
❑ YES
❑
NO
N/A
1. Were custody seals present on the cooler?
❑ YES
❑
NO
N/A
2. If custody seals were present, were they intact/unbroken?
Original temperature upon receipt
°C Corrected temperature upon receipt °C
How temperature taken:
❑ Temperature Blank Against Bottles
IR Gun ID: Thomas Traceable S/N 192511657 IR Gun Correction Factor °C: 0.0
YES
❑
NO
3. If temperature of cooler exceeded 6°C, was Project Mgr./QA notified?
YES
❑
NO
4. Were proper custody procedures (relinquished/received) followed?
YES
❑
NO
5. Were sample ID's listed on the COC?
YES
❑
NO
6. Were samples ID's listed on sample containers?
YES
❑
NO
7. Were collection date and time listed on the COC?
YES
❑
NO
8. Were tests to be performed listed on the COC?
LL—
YES
I
❑
-
NO
I _. =.�~'. (-. ;.� �..�� -�..r �� Oiii Cif iJi CaC" LC.I�.•
10.
Did samples arrive in good condition for each test? -
YES
❑
NO
11. Was adequate sample vo!ume available?'
YES
❑
NO
12. Were samples received within proper holding time for requested tests?
❑ YES
❑
NO
13. Were acid preserved samples received at a pH of <2?
❑ YES
❑
NO
14. Were cyanide samples received at a pH >12?
❑ YES
❑
NO
11; Were sulfide samples received at a pH >9?
❑ YES
❑
NO
16. Were NH3/TKN/Phenol received at a chlorine residual of <0.5 m/L?
❑ YES
❑
NO
17. Were Sulfide/Cyanide received at a chlorine residual of <0.5 m/L?
❑ YES
❑
NO 118.
Were orthophosphate samples filtered in the field within 15 minutes?
* TOC/Volatiles are pH checked at time of analysis and recorded on the benchsheet.
** Bacteria samples are checked for Chlorine at time of analysis and recorded on the benchsheet.
Sample Preservation: (Must be completed for any sample(s) incorrectly preserved or with headspace)
Sample(s) were received incorrectly preserved and were adjusted accordingly
by adding (circle one): H2SO4 HNO3 HCI NaOH
Time of preservation: If more than one preservative is needed, notate in comments below
Note: Notify customer service immediately for incorrectly preserved samples. obtain a new sample or
notify the state lab if directed to a-ialyzed by the customer. who was notified, date and t'me:
Volatiles Sample(s) were received with headspace
COMMENTS:
DOC. QA.002 Rev 1

f,
i
NONE
i
'
HCL
!
H2SO4 _
HNO3 c c
NaOH
THIO
OTHER
Z
d
�
d
sm

Facility
Sampling Date
% Solids
Mineralization Rate
Gallons Per DT
pH
Elizabeth City WTP
7/12/2022
6.38
0
3758.75
7.98
Field Loading Estimate
SAR 0.10 <5.0 Safe 5.0 - 10.0 Careful Management >15.0 Do Not Land Apply
SAR Calculation
Value From source Meq/L
Na 1000 2.773913043
Ca 458,000 1461.02
Mg 13800 73.37
I Nitrogen Application Nutrient Application
TKN (mg/Kg)
7.8
lbs./1000 gal 0.004
(mg/Kg)
Ammonia Nitrogen (mg/Kg)
1.57
lbs./1000 gal 0.001
Potassium
337
Nitrate -Nitrite (mg/Kg)
7.05
lbs./1000 gal 0.004
Phosphorus
294
Calcium
458,000
Plant Available Nitrogen Surface Applied
Magnesium
13800
PAN (mg/Kg) 7.835
(lbs./1000 gal)
0.004
Molybdenum
6.74
Chromium
6.74
Plant Available Nitrogen Injected/Incorporated Applied
PAN (mg/Kg) 8.62 (lb s./1000 gal) 0.005
Volatilization Rate= .5 Surface Application
1.0 Injection/Incorporation
(lbs./1000 gal)
0.1791
0.1562
243.3448
7.3322
0.0036
0.0036
EPA Metal
Limits
Class A Ceiling
Class B Ceiling
Limits (mg/Kg)
Limits (mg/Kg)
Heavy Metal Concentration (mg/Kg)
Heavy Metal Loading (lbs./1000
Arsenic
6.74
Arsenic
0.0036
41
75
39
85
Cadmium
6.74
Cadmium
0.0036
1,500
4,300
Copper
6.74
Copper
0.0036
300
840
Lead
10.1
Lead
0.0054
17
57
Mercury
0.282
Mercury
0.0001
420
420
Nickel
6.74
Nickel
0.0036
100
100
Selenium
8.15
Selenium
0.0043
2,800
7,500
Zinc
6.74
Zinc
0.0036
Residual Nitrogen Calculation
TKN
Surface (S)
PAN (S)
lbs/DT
Ing Organic N
TKN
Subsurface
(INJ)
(INJ)
Organic N
1 st Year
7.8
8
0.02
0
7.8
9
0.02
0
2nd Year
0
0
0.00
0
0
0
0.00
0
3rd Year
0
0
0.00
0
0
0
0.00
0
4th Year
0
0
0.00
0
0
0
0.00
0
5th Year
0
0
0.00
0
0
0
0.00
0
Total
8
0.02
Total
9
0.02
Equations
1st Yr. PAN (mg/Kg)-(MR x (TKN-NH3))+(VR x NH3)+NOx
2nd Yr PAN (mg/Kg)- 2nd Yr. TKN x (MR/2)
3rd Yr PAN (mg/Kg)- 3rd Yr. TKN x (MR/4)
4th Yr PAN (mg/Kg)- 4th Yr. TKN x (MR/8)
5th Yr PAN (mg/Kg)- 5th Yr. TKN x (MR/16)

r0ow . . . . . ..................... Illillillilillim I
Environmental Chemists,
Inc.
.
envirochem6602
Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab ' 910.392.4424 Fax
(sMl
710 Bowsertown Road, Manteo, NC 27954 ' 252.473.5702 Lab/Fax
255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax
ANALYTICAL & CONSULTING CHEMISTS
[e-mail]
Atlantic OBX
Date of Report: Aug 16, 2022
PO Box 2560
Customer PO #:
Kitty Hawk NC 27949
Customer ID: 18120006
Attention:
Report #: 2022-13266
Project ID: Elizabeth City WWTP
Lab ID Sample ID:
Collect Date/Time Matrix Sampled by
22-32227 Site: Sludge
7/12/2022 12:00 PM Solid/Sludge Stephen Cummings
Test
Method Results Date Analyzed
Sludge Residuals
Aluminum
EPA 200.7, Rev. 4.4, 1994 13200 mg/kg
07/19/2022
Arsenic
EPA 200.7, Rev. 4.4, 1994 <6.74 mg/kg
07/19/2022
Cadmium
EPA 200.7, Rev. 4.4, 1994 <6.74 mg/kg
07/19/2022
Calcium
EPA 200.7, Rev. 4.4, 1994 458000 mg/kg
07/22/2022
Chromium
EPA 200.7, Rev. 4.4, 1994 <6.74 mg/kg
07/19/2022
Copper
EPA 200.7, Rev. 4.4, 1994 <6.74 mg/kg
07/19/2022
Lead
EPA 200.7, Rev. 4.4, 1994 10.1 mg/kg
07/19/2022
Magnesium
EPA 200.7, Rev. 4.4, 1994 13800 mg/kg
07/19/2022
Molybdenum
EPA 200.7. Rev. 4.4,1994 <6.74 mg/kg
07/19/2022
Nickel
EPA 200.7, Rev. 4.4, 1994 <6.74 mg/kg
07/19/2022
Potassium
EPA 200.7, Rev. 4.4, 1994 <337 mg/kg
07/19/2022
Selenium
EPA 2007..Rev. 4.4, 1994 8.15 mg/kg
07/19/2022
Sodium
EPA 200 7, Rev 4.4, 1994 1000 mg/kg
07/19/2022
Zinc
EPA 200.7, Rev. 4.4, 1994 <6.74 mg/kg
07/19/2022
Nitrate+Nitrite-Nitrogen
EPA 353.2 7.05 mg/kg
07/20/2022
Total Solids (%)
SM 2540 B 6.38 %
07/15/2022
Ammonia Nitrogen
SM 4500 NH3 C-2011 <1.57 mg/kg
07/20/2022
Total Kjeldahl Nitrogen (TKN)
SM 4500 Norg B-2011 <7.8 mg/kg
08/09/2022
Total Phosphorus
SM 4500 P (F-H)-2011 294 mg/kg
07/22/2022
pH
SW 846 Method 9045D 7.98 units
07/29/2022
Result estimated. Analyzed out of 15 minutes hold time.
Mercury
SW-8467471 B <0.282mg/kg
07/18/2022
Comment: Sludge resiudals, except
pH, reported on a dry weight basis. pH reported on an as received basis.
Reviewed by:
Report #:! 2022-13266 Page 1 of 1

Environmental Chemist, Inc., Wilmington, NC Lab #94
6602 Windmill Way
Wilmington, NC 28405
Sample Receipt Checklist 910-392.0223
Client: c _ �jj�u.
Date' i 2Z P,eport NurnbEr: _ ZOZZ- 132 O6
❑ Receipt YESofsample: ECHEM Pickup ❑ Client Delivery ❑ UPS
❑ NO N/A 1. Were custod s - I FedEx ❑ Other ❑
Li YES Li NO y ea s-present on the cooler?
N/A 2. If custody seals were present, were they intact/unbroken?
Original temperature upon receipt 'C
How temperature taken: Corrected temperature upon receipt
O Temperature Blank
IR Gun ID: Thomas Traceable 5/N 192511657 Against Bottles
IR Gun Correction Factor °C: 0.0
YES ❑ NO 3. If temperature of cooler exceeded 6°C was Project M r.
YES El NO 4. Were proper custody procedures (relinquished/received) oAlowelded?
YES ❑ NO 5. Were sample ID's listed on the COC?
' YES ❑ NO 6. Were samples ID's listed on sample containers?
YES ❑ NO ,7. Were collection date and time listed on the COC?
x YES I D, PIS-
- iisted on the COC? -
( YES
YES 10, Did samples arri..,e in good condition for each test? — -
❑ NO adequato ca 710 I
YES - `" l -,me available?'
❑ NO I12. Were samples rec- ive-+ within
YES p ` - U within proper holding time for requested tests?
YES 1❑ NO 13. Were aci:i preser.,ad sa„spies received at a pH of <ze x
0 NO 114. Were cyanide samples re
YES ceived at a pH >12?
❑ NO 115. Were sulfide YES i ❑ NO sam;,!es received at a pH >9?
i F u/� „T,,.. -
- „� l . lPhenoi received at a chlorine residual of <0.5 m/L? xx
YES ❑ NO 17. Were Sulfide/Cyanide received at a chlorine residual of <0,5 m/L?
YES ❑ NO 18. Were orthophosphate samples filtered in the field within 15 minutes?
* TOC/Volat:les are pH checked at ti„^ c v' a I�I'ys's a ld rc_0:'de,4 i On the be; Ochs.
Bacteria SamFies are checked for Ch!o-ine at t!rre 0` ana,ysis and recorded on the benchsheet,
Sample Preservation: (Must be completed for any safe(s) incorrect) Samples) mpy preserved or with headspace)
were received incorrectly preserved and were adjusted accordingly
by adding (circle one): H S0�
z HNO; HCI NaOH
Time of presentation:
If more than one preservative is needed, notate in comments beloy,
-
- - y • - ;'-,�'-a ' " '75 Ora.
'lOaiy :^? �:?`� :ac - ^ 'e - a^- • -- " a n Pi ;a
✓olatiles Samp'e,s, 3• t'
were received with headspa=e
COMMENTS:
a

�5

Facility
Sampling Date
% Solids
Mineralization Rate
Gallons Per DT
pH
Elizabeth City WTP
9/8/2022
7.6
0
3155.37
9.08
Field Loading Estimate
SAR 0.12 <5.0 Safe 5.0 - 10.0 Careful Management >15.0 Do Not Land Apply
SAR Calculation
Value From source Meq/L
Na 755 2.494782609
Ca 207,000 786.6
Mg 8570 54.27666667
I Nitrogen Application Nutrient Application
TKN (mg/Kg)
317
lbs./1000 gal 0.201
(mg/Kg)
Ammonia Nitrogen (mg/Kg)
1.32
lbs./1000 gal 0.001
Potassium
176
Nitrate -Nitrite (mg/Kg)
3.31
lbs./1000 gal 0.002
Phosphorus
97.9
Calcium
207,000
Plant Available Nitrogen Surface Applied
Magnesium
8570
PAN (mg/Kg) 3.97
(lbs./1000 gal)
0.003
Molybdenum
3.46
Chromium
3.46
Plant Available Nitrogen Injected/Incorporated Applied
PAN (mg/Kg) 4.63 (lb s./1000 gal) 0.003
Volatilization Rate= .5 Surface Application
1.0 Injection/Incorporation
(lbs./1000 gal)
0.1114
0.0620
131.0146
5.4241
0.0022
0.0022
EPA Metal
Limits
Class A Ceiling
Class B Ceiling
Limits (mg/Kg)
Limits (mg/Kg)
Heavy Metal Concentration (mg/Kg)
Heavy Metal Loading (lbs./1000
Arsenic
3.46
Arsenic
0.0022
41
75
39
85
Cadmium
3.46
Cadmium
0.0022
1,500
4,300
Copper
3.46
Copper
0.0022
300
840
Lead
3.46
Lead
0.0022
17
57
Mercury
0.249
Mercury
0.0002
420
420
Nickel
3.46
Nickel
0.0022
100
100
Selenium
3.46
Selenium
0.0022
2,800
7,500
Zinc
3.46
Zinc
0.0022
Residual Nitrogen Calculation
TKN
Surface (S)
PAN (S)
lbs/DT
Ing Organic N
TKN
Subsurface
(INJ)
(INJ)
Organic N
1 st Year
317
4
0.01
313
317
5
0.01
312
2nd Year
313
0
0.00
313
312
0
0.00
312
3rd Year
313
0
0.00
313
312
0
0.00
312
4th Year
313
0
0.00
313
312
0
0.00
312
5th Year
313
0
0.00
313
312
0
0.00
312
Total
4
0.01
Total
5
0.01
Equations
1st Yr. PAN (mg/Kg)-(MR x (TKN-NH3))+(VR x NH3)+NOx
2nd Yr PAN (mg/Kg)- 2nd Yr. TKN x (MR/2)
3rd Yr PAN (mg/Kg)- 3rd Yr. TKN x (MR/4)
4th Yr PAN (mg/Kg)- 4th Yr. TKN x (MR/8)
5th Yr PAN (mg/Kg)- 5th Yr. TKN x (MR/16)

Environmental Chemists, Inc.
envirochem 6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab • 910.392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax
SM
255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax
ANALYTICAL & CONSULTING CHEMISTS [e-mail]
Atlantic OBX Date of Report: Oct 14, 2022
PO Box 2560 Customer PO #:
Kitty Hawk NC 27949 Customer ID: 18120006
Attention: Report #: 2022-17740
Project ID: Elizabeth City WTP
Lab ID Sample ID: Collect Date/Time Matrix Sampled by
22-43496 Site: Sludge 9/8/2022 12:25 PM Solid/Sludge Stephen Cummings
Test Method Results Date Analyzed
Sludge Residuals
Aluminum EPA 200.7, Rev. 4.4,1994 8610 mg/kg 09/17/2022
Cadmium EPA 200.7, Rev. 4.4,1994 <3.46 mg/kg 09/17/2022
Calcium EPA 200.7, Rev. 4.4,1994 207000 mg/kg 09/19/2022
Chromium EPA 200.7, Rev. 4.4,1994 <3.46 mg/kg 09/17/2022
Copper EPA 200.7, Rev. 4.4,1994 <3.46 mg/kg 09/17/2022
Lead EPA 200.7, Rev. 4.4,1994 <3.46 mg/kg 09/17/2022
Magnesium EPA 200.7, Rev. 4.4,1994 8570 mg/kg 09/17/2022
Molybdenum EPA 200.7, Rev. 4.4,1994 <3.46 mg/kg 09/17/2022
Nickel EPA 200.7, Rev. 4.4,1994 <3.46 mg/kg 09/17/2022
Potassium EPA 200.7, Rev. 4.4,1994 176 mg/kg 09/17/2022
Selenium EPA 200.7, Rev. 4.4,1994 <3.46 mg/kg 09/17/2022
Sodium EPA 200.7, Rev. 4.4,1994 755 mg/kg 09/17/2022
Zinc EPA 200.7, Rev. 4.4,1994 <3.46 mg/kg 09/17/2022
Arsenic EPA 200.8, Rev. 5.4,1994 <3.46 mg/kg 09/20/2022
Nitrate+Nitrite-Nitrogen EPA 353.2 3.31 mg/kg 09/12/2022
Total Solids (%) SM 2540 B 7.60 % 09/15/2022
Ammonia Nitrogen SM 4500 NH3 C-2011 <1.32 mg/kg 09/13/2022
Total Kjeldahl Nitrogen (TKN) SM 4500 Norg B-2011 317 mg/kg 09/13/2022
Total Phosphorus SM 4500 P (F-H)-2011 97.9 mg/kg 09/19/2022
pH SW 846 Method 9045D 9.08 units 09/12/2022
Mercury SW-846 7471 B <0.249 mg/kg 09/17/2022
Comment: Results, except pH, reported on a dry weight basis. pH reported on an as received basis.
Reviewed by:
Report #:: 2022-17740 Page 1 of 1

n
0
c�
0
rn
c� m Chloe
rt mg/L
C.
NONE
i
Hcm I
�• ILSO.,
e Mo., C
td NZOH 9
;
.. TMO z
oT=
�Z
v
1�*
v
1�*
I b
a
A
Ln

Facility
Sampling Date
% Solids
Mineralization Rate
Gallons Per DT
pH
Elizabeth City WTP
11/9/2022
13.4
0
1789.61
Field Loading Estimate
SAR 0.11 <5.0 Safe 5.0 - 10.0 Careful Management >15.0 Do Not Land Apply
SAR Calculation
Value From source Meq/L
Na 527 3.070347826
Ca 235,000 1574.5
Mg 9870 110.215
I Nitrogen Application Nutrient Application
TKN (mg/Kg) 294 lbs./1000 gal 0.329
(mg/Kg)
Ammonia Nitrogen (mg/Kg) 0.747 lbs./1000 gal 0.001
Potassium
152
Nitrate -Nitrite (mg/Kg) 8.26 lbs./1000 gal 0.009
Phosphorus
182
Calcium
235,000
Plant Available Nitrogen Surface Applied
Magnesium
9870
PAN (mg/Kg) 8.6335 (lbs./1000 gal) 0.010
Molybdenum
3.05
Chromium
3.05
Plant Available Nitrogen Injected/Incorporated Applied
PAN (mg/Kg) 9.007 (lbs./1000 gal) 0.010
Volatilization Rate= .5 Surface Application
1.0 In ection /Incorporation
(lbs./1000 gal)
0.1701
0.2036
262.9415
11.0435
0.0034
0.0034
EPA Metal
Limits
Class A Ceiling
Class B Ceiling
Limits (mg/Kg)
Limits (mg/Kg)
Heavy Metal Concentration (mg/Kg)
Heavy Metal Loading (lbs./1000
Arsenic
3.05
Arsenic
0.0034
41
75
39
85
Cadmium
3.05
Cadmium
0.0034
1,500
4,300
Copper
3.05
Copper
0.0034
300
840
Lead
3.05
Lead
0.0034
17
57
Mercury
0.14
Mercury
0.0002
420
420
Nickel
3.05
Nickel
0.0034
100
100
Selenium
3.05
Selenium
0.0034
2,800
7,500
Zinc
3.05
Zinc
0.0034
Residual Nitrogen Calculation
Remaing
PAN
Remaing
PAN (S)
Subsurface
TKN
Surface (S)
Organic N
TKN
(INJ)
Organic N
lbs/DT
(INJ)
(S)
lbs/DT
(INJ)
1 st Year
294
9
0.02
285
294
9
0.02
285
2nd Year
285
0
0.00
285
285
0
0.00
285
3rd Year
285
0
0.00
285
285
0
0.00
285
4th Year
285
0
0.00
285
285
0
0.00
285
5th Year
285
0
0.00
285
285
0
0.00
285
Totall
9
0.02
1 Total
9
0.02
Equations
1st Yr. PAN (1ng/hg)=(b1R x (TKN-NH3))+(VR x NH3)+NOx
2nd Yr PAN (mg/Kg)- 2nd Yr. TKN x (b7R/2)
3rd Yr PAN (mg/Kg)- 3rd Yr. TKN x (b7R/4)
4di Yr PAN (mg/Kg)- 4di Yr. TKN x (b7R/8)
5di Yr PAN (mg/Kg)- 5di Yr. TKN x (b7R/16)

SM
ANALYTICAL & CONSULTING CHEMISTS
Environmental Chemists, Inc.
6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab a 910.392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax
255-A Wilmington Highway, Jacksonville, NC 28540 ■ 910.347.5843 Lab/Fax
[e-mail]
Atlantic OBX
Revised Report: Dec 20, 2022
PO Box 2560
Original Report Date: Dec 13, 2022
Kitty Hawk NC
27949
Report #: 2022-22500
Attention:
Customer ID: 18120006
Project ID: Elizabeth City WTP
Lab ID Sample ID:
Collect Date/Time Matrix Sampled by
22-55158 Site: Sludge
11/9/2022
10:35 AM Solid/Sludge Stephen Cummings
Test
Method
Results
Date Analyzed
Sludge Residuals
Aluminum
EPA 200.7, Rev. 4.4,1994
9250 mg/kg
11/16/2022
Arsenic
EPA 200.7, Rev. 4.4,1994
<3.05 mg/kg
11/16/2022
Cadmium
EPA 200.7, Rev. 4.4,1994
<3.05 mg/kg
11/16/2022
Calcium
EPA 200.7, Rev. 4.4,1994
235000 mg/kg
12/08/2022
Chromium
EPA 200.7, Rev. 4.4,1994
<3.05 mg/kg
11/16/2022
Copper
EPA 200.7, Rev. 4.4,1994
<3.05 mg/kg
11 /1612022
Lead
EPA 200.7, Rev. 4.4,1994
<3.05 mg/kg
11/16/2022
Magnesium
EPA 200.7, Rev. 4.4,1994
9870 mg/kg
11/16/2022
Molybdenum
EPA 200.7, Rev. 4.4,1994
<3.05 mg/kg
11/16/2022
Nickel
EPA 200.7, Rev. 4.4,1994
<3.05 mg/kg
11/16/2022
Potassium
EPA 200.7, Rev. 4.4,1994
<152 mg/kg
11/16/2022
Selenium
EPA 200.7, Rev. 4.4,1994
<3.05 mg/kg
11/16/2022
Sodium
EPA 200.7, Rev. 4.4, 1994
527 mg/kg
12/08/2022
Zinc
EPA 200.7, Rev. 4.4,1994
<3.05 mg/kg
11/16/2022
Nitrate+Nitrite-Nitrogen
EPA 353.2
8.26 mg/kg
11/14/2022
Total Solids (%)
SM 2540 B
13.4 %
11/11/2022
Ammonia Nitrogen
SM 4500 NH3 C-2011
<0.747 mg/kg
11/11/2022
Total Kjeldahl Nitrogen (TKN)
SM 4500 Norg B-2011
294 mg/kg
11/11/2022
Total Phosphorus
SM 4500 P (F-H)-2011
182 mg/kg
11/22/2022
pH
SW 846 Method 9045D
9.40 units
11/14/2022
Result estimated. Analyzed out of 15 minutes hold time.
Mercury
SW-8467471 B
<0.141 mg/kg
11/14/2022
Comment: Sludge residuals,
except pH, reported on a dry weight basis. pH reported on an as received basis.
Revised to amend collection time.
Reviewed by:
����
Report #:: 2022-22500 Page 1 of 1

Environmental Chemist, Inc., Wilmington, NC Lab #94 6602 Windmill Way
Wilmington, NC 28405
910.392.0223
Sample Receipt Checklist
Client: Qom,/%' Date: Report Number: _ 2022- (�W
Receipt of sample:
❑
ECHEM Pickup ❑ Client Delivery ❑ UPS FedEx ❑ Other ❑
YES
❑
NO
N/A 1. Were custody seals present on the cooler?
❑ YES
El
NO
N/A 2. If custody seals were present, were they intact/unbroken?
Original temperature upon receipt °C Corrected temperature upon receipt
How temperature taken:
❑ Temperature Blank A Against Bottles
IR Gun ID: Thomas Traceable S/N 192511657 IR Gun Correction Factor °C: 0.0
YES
ID
NO
14 If temperature of cooler exceeded 6°C, was Project Mgr./QA notified?
YES
I ❑
NO
1 4. Were proper custody procedures (relinquished/received) followed?
YES
❑
NO
1 5. Were sample ID's listed on the COC?
YES
❑
NO
6. Were samples ID's listed on sample containers?
YES
❑
NO
7. Were collection date and time listed on the COC?
YES
❑
NO
8. Were tests to be performed listed on the COC?
YES
❑
NO
9. Did samples arrive in proper containers for each test?
YES
❑
NO
10. Did samples arrive in good condition for each test?
YES
❑
NO
11. Was adequate sample volume available?'
YES
❑
NO
12. Were samples received within proper holding time for requested tests?
❑ YES
O
NO
13. Were acid preserved samples received at a pH of <2?
❑ YES
❑
NO
14. Were cyanide samples received at a pH >12?
❑ YES
❑
NO
15. Were sulfide samples received at a pH >9?
❑ YES
❑
NO
16. Were NH3/TKN/Phenol received at a chlorine residual of <0.5 m/L? **
❑ YES
❑
NO
17. Were Sulfide/Cyanide received at a chlorine residual of <0.5 m/L?
❑ YES
❑
NO
18. Were orthophosphate samples filtered in the field within 15 minutes?
* TOC/Volatiles are pH checked at time of analysis and recorded on the benchsheet.
** Bacteria samples are checked for Chlorine at time of analysis and recorded on the benchsheet.
Sample Preservation: (Must be completed for any sample(s) incorrectly preserved or with headspace)
Samples) were received incorrectly preserved and were adjusted accordingly
by adding (circle one): HzSOa HNO3 HCl NaOH
Time of preservation: If more than one preservative is needed, notate in comments below
Note: Notify customer service immediately for incorrectly preserved samples. Obtain a new sample or
notify the state lab if directed to analyzed by the customer. Who was notified, date and time:
Volatiles Sample(s) were received with headspace
COMMENTS:
DOC. QA.002 Rev 1
°C

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NONE
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Atlantic OBX, Inc.
2022 Class A Annual Report
WQ0040622
Annual Distribution and Marketing
Certification Summary Form

CLASS A ANNUAL DISTRIBUTION AND MARKETING/ SURFACE DISPOSAL CERTIFICATION AND SUMMARY FORM
WQ PERMIT #: WQ0040622 FACILITY NAME: Atlantic OBX, Inc. Class A
PHONE: [phone] COUNTY: Dare OPERATOR: J. Bryan Smith
FACILITY TYPE (please check one): ❑ Surface Disposal (complete Part A (Source(s) and "Residual In" Volume only) and Part C)
0 Distribution and Marketing (complete Parts A, B, and C)
Was the facility in operation during the past calendar ear? Yes 0 No ❑ o If No skip parts A, B, C and certify form below
Part A*•
Part B*•
Month
Sources s ( include NPDES # if
applicable)
Volume (drytons)
Recipient Information
Amendment/
Bulking Agent
Residual In
Product Out
Name(s)
Volume (dry tons)
Intended use(s)
January
February
March
April
May
June
Elizabeth City WTP, 04-70-010
0
49.623
49.623
Atlantic OBX
49.623
Soybeans
July
Elizabeth City WTP, 04-70-010
0
96.841
96.841
Atlantic OBX
96.841
Coastal Bermuda
August
Elizabeth City WTP, 04-70-010
0
78.218
78.218
Atlantic OBX
78.218
Coastal Bermuda
September
Elizabeth City WTP, 04-70-010
0
104.267
104.267
Atlantic OBX
104.267
Coastal Bermuda
October
November
December
Elizabeth City WTP, 04-70-010
0
179.927
179.927
Atlantic OBX
179.927
Wheat, Grain
Total from FORM DMSDF (sup)
Totals:
Annual (dry tons):
0
508.876
508.876
508.876
Amendment(s) used: Bulking Agent(s) used:
* If more space is required, attach additional information sheets (FORM DMSDF (supp)): Total Number of Form DMSDF (Supp)l 1
Part C:
Facility was compliant during the past calendar year with all conditions of the land application permit p Yes
(including but not limited to items 1-3 below) issued by the Division of Water Resources: ❑ No lo If No, Explain in Narritive
1. All monitoring was done in accordance with the permit and reported for the year as required and three (3) copies of certified laboratory results are attached.
2. All operation and maintenance requirements were compiled with or, in the case of a deviation, prior authorization was received from the Division of Water Resources.
3. No contravention of Ground Water Quality Standards occurred at a monitoring well.
"I certify, under penalty of law, that the above information is, to the best of my knowledge and belief, true, accurate and complete. I am aware that there are significant
penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
Signature of Permittee
2/9/2022
Date
Signature of Preparer**
(if different from Permittee)
Date
**Preparer is defined in 40 CFR Part 503.9(r) and 15A NCAC 2T .1102 (26)
DENR FORM DMSDF (12/2006)