WQ0040622_2023 Residual Annual Report_20240228 (2)

Initial Review
Reviewer
nathaniel.thorn burg
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* 2023
Permit Number (IR) * WQ0040622
Applicant/Permittee Atlantic OBX, Inc. dba Atlantic Sewage Control
Email Notifications
Does this need review by the hydrogeologist? * Yes OO No
Regional Office Washington
CO Reviewer
Admin Reviewer Wanda Gerald

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 A Annual Report 23.pdf 7.51 MB
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 2/28/2024

Atlantic OBX, Inc.
2023 ANNUAL LAND APPLICATION
OF RESIDUAL BIOSOLIDS REPORT
CLASS A PROGRAM
WQ0040622
Submitted by:
Atlantic OBX, INC.
PO Box 2560
Kitty Hawk, NC, 27949
2/28/24

, =/J/�RE
P.O. Box 2.560
K a u ry HAWK, NC 27949
(2.52) 489 73 � 7
N:{CIiA"I LAN "(ICSEWA GE.00M
2/27/24
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 687.74 dry tons or 2,910,000 gallons of Class A
Water Treatment Plant residuals WTP residuals from the City of Elizabeth City's WTP during
2023. 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,
Stephen Cummings, Atlantic OBX, Inc.
Bryan O. Lincoln, Atlantic OBX

Atlantic OBX, Inc. 2023 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.
2023 Class A Annual Report
WQ0040622
Annual Certification Form
Source Summary

ANNUAL LAND APPLICATION CERTIFICATION FORM
WQ Permit#: WQ0040622 County: Dare Year:
Facility Name (as shown on permit): Atlantic OBX, INC.
Land Application Operator: Bryan O. Lincoln Phone:
Land application of residuals as allowed by the permit occurred during the past calendar year?
lF Yes [;,;,] 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:
2023
252-255-2030
Total number of application fields in thepermit:
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:
687.74
Total number of acres utilizes for land application during the year:
N/A
Part B - Annual Compiance Statement:
Facility was compliant during calendar year 2023 with all conditions of the land application permit
(including but not limited to items 1-13 below) issued by the Division of Water Resources. 1" Yes ["] 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 .1105(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 .1111 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."
Bryan O. Lincoln, President 2/27/2024
Permittee Name d Title (type or print) Signature of Permittee Date
'f/,-,
2/27/2024
Signature of Preparer* v ' v 1�" Date Signature of Land Applier
(if different from Permittee) (if different from Permittee 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
. .. .............................................................................................................................. ..... �;,'; . ................ .......................................
e a s ((, j� r e � ir� e vt Y
.................................................................................................................................... .........................
aic (
Elizabeth City WTP 2,910,000 Gallons 687.74
Total 2,910,000 687.74

Atlantic OBX, Inc.
2023 Class A Annual Report
WQ0040622
Residual Summary Form
Elizabeth City WTP
Field Loading Calculations
2023 Analytical & TCLP

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Field Loading Estimate
Facility
Elizabeth City WTP
Sampling Date
1/19/2023
% Solids
1.41
Mineralization Rate
0
Gallons Per DT
17007.67
PH
8.3
SAR 0.23
<5.0 Safe 5.0 - 10.0 Careful Management >15.0 Do Not Land Apply
SAR Calculation
Value From source
Meq/L
Na
3,020
1.851391304
Ca
162,000
114.21
Mg
13,700
16.0975
Nitrogen Application Nutrient Application
TKN (mg/Kg)
1,450
lbs./1000 gal 0.171
(mg/Kg)
(lbs./1000 gal)
Ammonia Nitrogen (mg/Kg)
1,430
lbs./1000 gal 0.168
Potassium
865
0.1018
Nitrate -Nitrite (mg/Kg)
39.5
lbs./1000 gal 0.005
Phosphorus
743
0.0875
Calcium
162,000
19.0731
Plant Available Nitrogen Surface Applied
Magnesium
13700
1.6130
PAN (mg/IKg) 754.5
(1bs./1000 gal)
0.089
Molybdenum
17.4
0.0020
Chromium
17.4
0.0020
Plant Available Nitrogen Injected/Incorporated Applied
PAN (mg/IKg) 1469.5 (1bs./1000 gal) 0.173
Volatilization Rate- .5 Suiface Application
1.0 Injection/Incoipoiation
EPA Metal Limits
Class A Ceiling
Linnts (mg/IKg)
41
Class B Ceiling
Linnts (mg/IKg)
75
Heavy Metal Concentration (mg/Kg)
Heavy Metal Loading (lbs./l
Afsenic 34.8 Afsenic 0.0041
39
85
Cadmium
17.4
Cadmium
0.0020
1,500
4,300
Coppei
17.4
Coppei
0.0020
300
840
Lead
17.4
Lead
0.0020
17
57
Meictuy
1.18
Meictuy
0.0001
420
420
Nickel
17.4
Nickel
0.0020
100
100
Selenium
17.4
Selenium
0.0020
2,800
7,500
Zinc
17.4
Zinc
0.0020
Residual Nitrogen Calculation
Remaing
PAN
Remaing
TKN
Surface (S)
PAN (S)
Organic N
TKN
Subsurface
(INJ)
Organic N
lbs/DT
(INJ)
(S)
lbs/DT
(INJ)
1st I eu
1450
755
1.51
696
1450
1470
2.94
-20
2nd Feai
696
0
0.00
696
-20
0
0.00
-20
31:d I eu
696
0
0.00
696
-20
0
0.00
-20
4th I eu
696
0
0.00
696
-20
0
0.00
-20
5th I eu
696
0
0.00
696
-20
0
0.00
-20
Total
755
1.51
Total
1470
2.94
Equations
1st vi. Pan (nag/Kg)-('MR x (Tim-Na3))+(VR x Na3)+Nox
2ud vi PAN (nag/Kg)- 2ud vi. TKN x (_MR/2)
3 d v� PAN (ems/ice= 3�d v�. TKN x (-',tR/4)
Ord vi PAN (ems/ice= Ord vi. TKN x (_MR/8)
sdz vi PAN (nag/Kg)- srd vi. TKN x (_MR/16)

al' Chexn.*sts,'],,nc.
6602 Windmill Way, Wilmington, NC 28405 . 91.0,392.0223 Lab m 910.392,4424 Fax
71.0 Bowsertown Road, Manteo, NC 27954 . 252.473.5702 Lab/Fax
255 A Wilmington I Ughway, Jacksonville, INC 28540 - 91.0.347,5843 Lab/Fax
iiif'(.)(e,i,,environiTieiitalcheii-iists.com
Test
...........
Method
Results
. .......................................... ............
Date AnaAyzed
Chlordane FU P)
SW-846 8081
<0.02 mg/A....
01/26/2023
Endrin (M P)
SW-846 8081 B
<0.0005mg/l...
01/26/2023
HeptacWor (TU P)
SW .846 8081 B
<0,0005 rng/A
01/26/2023
Heptachlor epoxide (TCLP)
SW-846 8081 B
<0,0005 mg/L.
01 /26/2.023
Undane (TU P)
SW-846 8081 B
<0.0005mg/L
01/2612023
Methoxycftr ( FU P)
SW-846 8081 8
<0. 0005 rng/�
01/26/2023
Toxaphene (TCLP)
SW.846 8081 B
<0.05 mg/1
01/26/2023
2,4,5-"I"P (TO P)
SW-846 8151 A
<0.003 mg/A....
01/26/2023
2,4 D (TU P)
SW-846 8151 A
0,003 mg A....
01/26/2023
1A Dicftrobenzene(..FU P)
SW-846 8270 E
<0.050mgA
01/27/2.023
20 5 Frichlorophend ("T'U P)
SW-846 8270 E
<0.050 mg/A
01/27/2.023
2A6 ..."r rich lorophend ( ra P)
SW-846 8270E
01/27/2..023
2,4.-Dnitrotoluene (TU P)
SW-846 8270 E
<0,,050 mg A.....
01/27/2023
Creed JU P)
SW-846 8270 E
<0. 050 mg/A....
01/27/2.023
HexacNoro-1,3-butaden e (M P)
SW-646 8270 E
<0. 050 mg/A....
01/2712023
Hexachlorobenzene (1 U P)
SW-846 8270 1Z
<0.050 mg/A...
01/27/2023
Hexachloroethane (TC1 P)
SW-846 8270
<0,050 rig/A....
01/27/2023
m + p-Cr esol (TCLP)
SW-846 8270 E=
<0. 050 mg/A....
01/27/2023
Nitrobenzene (TCLY)
SW-846 8270 E
<0.050 mg/1
01/27/2023
o resol ("FU P)
SW--846 8270 E
<0.050 mg/A....
01/27/2-023
Pentachlorophenol (M P)
SW-846 8270 E
<0.250 mg/A.....
01/27/2023
Pyridine (TU P)
SW-846 8270 E
<0,050mgA
01/27/2023
M Xcftroethylene (7'C1 P)
SW-846 Method 8260D
< 0,01 mg/A....
2/2/2023
102 Dichloroethane(...FO P)
SW 846 Method 8260D
< 0.01 mg/1
2/2./2023
Benzene ( M P)
SVV-846 Method 8260D
< 0.01 rngfl
2/2/2023
Carbon "'I"etrachloride (,rc[..,P)
SW 846 Method 82601)
< 0.01 rig/A....
212/2-023
Repoft#. 2023-01415
. ........... -
— - - ------ .......... . . ...... ...........
.... . . . ......... .. .. ..................
P.— I '.'f I

Cheini'sts, J."n.c.
6602 Windmill Way, Wilmington, N( ' 1 28405 o, 910.392.0223 Lab s 910.392,4424 F'ax
71.0 Bowsertown III Manteo, NC 27954 o 252.473.5702 Lab/Fax
255-A Wilrnington 1. fighway, jacksonvifle, NC 28540 . 910.347.5843 Lab/Fax
inf(.)@envii-oiii,tieiitalclieinists.c(.)rri
Atlaintic Sewage
Date of Report: Feb ,16,2023
PO Box 2560
Customer PO #:
Kitty Hawk NC
27949
Customer Illy./9120002
Attention: [Mve Robertson
Repout #: 2023.01415
Project MID: Efizabeth City W FP
CWorobeinzene FU P)
SW-846 uI 8260D
< 0.01 rng/L
2/2/2.023
Chloroform FU P)
SW.846 Method 8260D
< 0.01 rng/L,
2/2/2023
II ethyl ketone (TCLP)
SW-846 MeRiod 82601D
< 0.05 rng/L
2/2/2023
Tetrachloroethylene (TU .P)
SW-846 MeOlod 8260D
< 0,01 rng/L
2/212023
Tdchbroethylerie ("rCLP)
13W-846 Method 8260D
< 0.01 mg/L
2/2/2023
Vinyl Chbride (1"111P)
SW-846 Method 8260D
< O.01 a.lg/l
2/2./2,023
RCI
Cyanide
SM 4500 CIIq D-2016
<1 mglkg
01/30/2023
Suffide
Sup 4500 S D
<0.05 rng/kg
02/01/2023
1gn4tabflfty
SW 846 nwthcd 1010
>158OF
01/2.6/2023
&udge Residuals
Aluminum
EIFIA 200.7, Rev 4 4, 1994
14900 mg/kg
01/26/2023
Arsenic
EPA 2003, Rev 4.4, 1994
<34,8 rang/kg
01/3012023
Cadi,niurn
EPA 2007, Rev. 44. 't 994
<17,4mg/kg
01/26/2023
C=Rbum
IEPA 200.7, Rev. 4A 1994
162000 rng/kg
01/26/2023
Chromium
IEPA 200.7, Rev 4,4,1994
<1 f.4 rng/kg
01/26/2023
Copper
EPA 2003, Rev. 4A, 1994
<1 7A rTig/kg
01/2612023
11 ead
IEPA 2007, Rev. 4.4, 1994
<1 TA rnglkg
01/26/2023
MagnesiUM
EPA 200.7, Rev. 4 4, 1994
13700 mg/kg
01/26/2.023
lftlybdenum
IEPA 200.7, Rev, 44, 1994
<1 TA mg/kg
01/26/2023
Nickel
EPA 2K 7, Rev. 4.4, 1994
< 1 TA mg/kg
01/26/2023
Flotassilurn
EPA 200,7, Rev, 4A, 1994
<865 r,ng/kg
01/26/2023
Se1eniurn
EPA 200.7, Rev, 4A 1994
<1 7.4 mg/kg
01/2.6/2023
Sodium
EPA 200,7, Rev 4.4, 1994
3020 mg/kg
01/26/2023
in
EPA 200 7, Rev, 4.4, 1994
<1 7.4 img/kg
01/26/2023
Nitrate+Niti'ftE1,­Nftrogen
EPA 3512
39.5 mg/kg
01/23/2.023
Total SoNds (%)
SM 2540 B
1.41%
01/24/2023
AmmorDb Nitrogen
SIM 4500 N143 C .2011
1430 mg/kg
01/24/2023
Total Kieldahl Nitrogen (TIM)
15M 4500 Norg B-2011
1450 mg/kg
01/24/2023
FotPhosphorus
SIM 4500 P (F H)­201 1
743 mg/kg
01/26/2023
ReimrtM„ 202301415

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6602 Wk.rrndanb:l:l Way, Wilr nnna ton, NC 2.FA05 1 0.3 2.0223 L,ab 91.0.39204424 Fax
710 Boa ser,rown ]I:Road, Manteo, NC 2795 52.473,5702 L, ab/➢:,ax
2.55...A. Wil1nn nton t:...figh ay, Jacksonville, NC 28540 . 910.347,5843 Lab/Fax
irif'o@erivda°anaaaaneaata lawlaeanaists,coryw
Atlantic Sewage
late of epm°t- Feb 16, 2023
PO Box 2560
Customer
bitty Hawk NC 27949
CUstomer 111): 19120002
tt nflorl° Deus Robertson
Report m 2023-014,1
Project ID. Elizabeth C4W...rP
pH
W04ettd 904 D
.30 unt
02/14/2.023
Z ak �1Ab1 Q G. r11 A1 r'1minutes
o
Mercury
...8467471l131
<1,18mg/kg
01/25/2.02.3
TCLP betels
Arsenic (wl... l....F)
EPA 200.7, Rev 4.4., 1994
,<110MO....
01/26/ 023
rooms (T 1....P)
EPA 20r1.;T, IRev, 4.4, 1994
<1'0 rrl /l....
01/26/2 23
drnuu.urrl (TO P)
u..PA 200.7, Rev. 4.4o 1994
1.0 rng/1..
01/2.6/2023
Chromium (TCl. P)
EPA 200 T, Rev, 4A, 1994
<1 0 rng/l...
01/26/202.3
1....ead (Tl....P)
EPA 200 , Rev 4 4, 1994
<1..0 rn0/l....
01 /2.6/2.023
Selenium c1"a....F)
r"PA 200.7, Rev. 4.4, 1994
< 1,'0 mg/L.
01126/2023
Nlv r (...F 1....F)
EPA 2003, Rev 4.4„ 1994
<1.0 Mg/1-
0°1/26/'2023
Mercury ("TU ) u,-11IA24r.1 <0.0002rngl... 01/27/2023
orriment° glued r ldu� l r u�ult , except pH, report d r1 dry wei ht balls. p r port d ru an s received
basis.
Reviewed y:...............................f/Y--
....
F1a„s� oY t #.. 2023.0141 r1 113,na n l Rna l

Erivircmineintal Cherriist, lam a, lAlilimingtnn, NC J,aJ) #94, 6602 \MnicImM Way
\AliknAngtori, 61C 2840V ) r
910,392,0223
Sample Rec:leipt Checklist
Reccipt of
sarinpkl.
NJrPA C 11 � �)ekvery Other El
Were
custody seak present on the (xxfler?
OfiOW tEfl-nperature
NO
ff (Alstody seak \A(erp present, w(��rf� they
upon recefirfl 2—, c
How teniirx?ratQjlre triken, t E'R�_p Eryl rature upon receipt T
-Bot
n-� pe rra] n k Agarnst fle's
- - -
M Gun
S/N 23 0 8 86 86 - 9 M Gun C 0,0
" () r,r r tQjrQ Factor
YES
C,
0 N
I.
3,, terinperatPjre (�)f co()�er exceeded VC, was Project Mgr./QA riotBfied?
.
YES
C)
. . . . .
41 Were pro PU ody rgr(jcedures toHom?d?
q:
NNo
5Welre sarnpe 0's fisted on the C10( ?
YN s
YES
0 NO
-
1-1
6 Were sarnMes Ys hste,d on sannple conta�ners"
-
11 - I 1
y F� s
-1 - I-
0
:
7, Were coHectkm date and Urne Hsi e (I
­ . - - ­ - ­ ­ - � - - - on the CO(
YES
�,q o
El
8 Were tests to be purft)
Trncld Nsled-on tlie C0(l?
YEIS.
NO
El
9, Did sarrlip�es arn' ve mi proper, contarners f0l- ealch Lest?
-
YFS
At 0
10 [Nd sarrrpBes arrive �n good corxfitjo�� for e
I I . �ach test')
YES
o N 0
0
1 1 Was a dequ ate sar np�e vMw ne avaHabkaT­
NO
1.2, �A/er-esanrir)Besrrecer?,d-witVgVN,B mper hokfing tj�,ne k)r requested L(Ists?
P
N
13, Were acid preserved sampBes received at a PH Of <2
, , , , ,
YES
YES
i�
14, W e re c yanA e , Sa�llp� , E� s r e(:erw d a t a pl I > 12'?
NC)'
liphn rec6ved a a �A >9?
Y E S
a.W,-e re, i\,PloII rine rresidua� Pr . ?
3/"IKN/flhenM rec6ved 'at. a (-h-'
Y���s
I T W ere Suffide/Cyainide received at a chk,�0,ne, i,es�dua,Fof <(--, 5-
YES
I 811,. Werr(? ONtpropBlosphialrE��;iifii,ip�esfi�tc�rf?�,l�rl��ief�e�(� '11.5 rnrnutes?
*III.�Q""�llraAQ«'�uAGr�OR' PH (IlWcked at th-ne of alrlaAyMs and recx,)rded on the
" Bacteriarnphre canhecked for CIMQ!)rV,-Ilc, at twine of anahysis and recorded on the bench�;heet,
Sarnple Preservation: . ................ . .............
Samrfle(s) (Must be corrip�lted for sa�lfrip�Ar (s) rnorr
clectly preseived or ith hewadspace)wreereivantlncorrec(.seim"d anQl weN(2 adjusted accordingjy
by adding (f:4,c�e one): �12so, N0��(A N a () I �
nreV'rViGne of preservaUow rnm,r(Lffijr� (�)ne pieserrvathie �s nery eded, �110U tf' in cornrri(: nts b0ow
cuitorne� sewsce onnniled%atdy frn vi�:orrecthl Pflservg�d s�mnpies ()h)tam a new sampk� or
00* fl,E� state hibe
cteql toana�vze(j i�y aie c�jsto,ll �vh() was llmflfierldate cl �ne:...Gp
oatT �e 5 'Sa Tp,, .d��� . . . . ....... . ........ . ........ . . ............ . .......... . .......................................................... . ......... . ........... .
......... . .......
commiiurs:
DoCr QA,002 Rev 1

_.................... ..._. ..
ti .. 0
.......,��..._�,�_.... _.... ..�..
In
�.µS�........._ .
H.
cn
ITOR
g_.........._.. _........
.
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.. lox
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uu 10
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......
._._.._.........
—771
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....x .....
!�

Facility
Sampling Date
% Solids
Mineralization Rate
Gallons Per DT
PH
SAR 0.11
SAR Calculation
Value From source
Na
Ca
Mg
Elizabeth City WTP
4/3/2023
9.83
0
2439.55
9.65
755
307,000
12,700
Field Loading Estimate
<5.0 Safe 5.0 - 10.0 Careful Management >15.0 Do Not Land Apply
Meq/L
3.226804348
1508.905
104.0341667
Nitrogen Application Nutrient Application
TKN (mg/Kg)
1,090
lbs./1000 gal 0.895
(mg/Kg)
(lbs./1000 gal)
Ammonia Nitrogen (mg/Kg)
1.02
lbs./1000 gal 0.001
Potassium
444
0.3644
Nitrate -Nitrite (mg/Kg)
12.2
lbs./1000 gal 0.010
Phosphorus
382
0.3135
Calcium
307,000
251.9871
Plant Available Nitrogen Surface Applied
Magnesium
12700
10.4242
PAN (mg/IKg) 12.71
(lbs./1000 gal)
0.010
Molybdenum
8.88
0.0073
Chromium
8.88
0.0073
Plant Available Nitrogen Injected/Incorporated Applied
PAN (mg/Kg) 13.22 (lbs./1000 gal) 0.011
Volatilization Rate- .5 Suiface Application
1.0 Injection/Incoipoiation
EPA Metal Limits
Class A Ceiling
Linnts (mg/IKg)
41
Class B Ceiling
Linnts (mg/IKg)
75
Heavy Metal Concentration (mg/Kg)
Heavy Metal Loading (lbs./l
Afsenic 8.88 Afsenic 0.0073
39
85
Cadmium
8.88
Cadmium
0.0073
1,500
4,300
Coppei
8.88
Coppei
0.0073
300
840
Lead
8.88
Lead
0.0073
17
57
Meictuy
0.178
Meictuy
0.0001
420
420
Nickel
8.88
Nickel
0.0073
100
100
Selenium
8.88
Selenium
0.0073
2,800
7,500
Zinc
8.88
Zinc
0.0073
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)
1stYeu
1090
13
0.03
1077
1090
13
0.03
1077
2nd Yeu
1077
0
0.00
1077
1077
0
0.00
1077
31:d Yeu
1077
0
0.00
1077
1077
0
0.00
1077
4th Yeu
1077
0
0.00
1077
1077
0
0.00
1077
5th Yeu
1077
0
0.00
1077
1077
0
0.00
1077
Total
13
0.03
Total
13
0.03
Equations
1st vi. Pan (nag/Kg)-('MR x (Tim-Na3))+(VR x Na3)+Nox
2ud vi PAN (nag/Kg)- 2ud vi. TKN x (_MR/2)
3 d v� PAN (ems/ice= 3�d v�. TKN x (-',tR/4)
4rd vi PAN (ems/ice= 4rd vi. TKN x (_MR/8)
sdz vi PAN (nag/Kg)- srd vi. TKN x (_MR/16)

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 * 910.347.5943 Lab/Fax
info(oenvironmentalchemists.com
Atlantic Sewage
Date of Report: May 02, 2023
PO Box 2560
Customer PO #:
Kitty Hawk NC 27949
Customer ID: 19120002
Attention: Dave Robertson
Report #: 2023-06371
Project ID: Elizabeth City WTP
Lab ID Sample ID:
Collect DatelTime Matrix Sampled by
23-16091 Site: Sludge
4/3/2023
10A5 AM Solld/Sludge Stephen Cummings
Test
Method
Results Date Analyzed
Sludge Residuals
Aluminum
EPA 200.7, Rev. 4.4, 1994
11900 mglkg
04/26/2023
Arsenic
EPA 200.7, Rev. 4.4.1994
<8.88 mg/kg
04/26/2023
Cadmium
EPA 200.7, Rev. 4.4, 1994
<8.88 mg/kg
04/26/2023
Calcium
EPA 200.7, Rev. 4.4, 1994
307000 mg/kg
04/28/2023
Chromium
EPA 200.7, Rev. 4.4, 1994
<8.88 mg/kg
04/26/2023
Copper
EPA 200.7, Rev. 4.4.1994
<8.88 mg/kg
04/26/2023
Lead
EPA 200.7, Rev. 4.4. 1994
<8.88 mg/kg
04/26/2023
Magnesium
EPA 200.7, Rev. 4.4, 1994
12700 mg/kg
04/26/2023
Molybdenum
EPA 200.7, Rev. 4.4, 1994
<8.88 mg/kg
04/26/2023
Nickell
EPA 200.7, Rev. 4.4, 1994
<8.88 mglkg
04/26/2023
Potassium
EPA 200.7. Rev. 4 4, 1994
<444 mg/kg
04/26/2023
Selenium
EPA 200.7, Rev. 4.4. 1994
<8.88 mg/kg
04/26/2023
Sodium
EPA 200.7, Rev. 4.4, 1994
755 mglkg
04/26/2023
Zinc
EPA 2007. Rev, 4.4, 1994
<8.88 mg/kg
04/26/2023
N itrate+N itrite-Nitrogen
EPA 3532
12.2mg/kg
04/05/2023
Total Solids (%)
SM 2540 B
9.83 %
04/04/2023
Ammonia Nitrogen
SM 4500 NH3 c-2011
<1.02 mg/kg
04/06/2023
Total Kjeldahl Nitrogen (TKN)
SM 4500 Norg B-2011
1090 mg/kg
04/06/2023
Total Phosphorus
SM 4500 P (F-H)-2011
382 mg/kg
04/11 /2023
pH
SW 646 Method 9045D
9.65 units
04/24/2023
Result estimated. Analyzed out of 15 minutes hold time.
Mercury SW-846 7471 B <0.178 mg/kg 04/14/2023
Comment: Results, except pH, reported on a dry weight basis, pH reported on an as received basis.
Reviewed by:
Report k 2023-06371 Page 1 of 1

Environmental Chemist, Inc., Wilmington, NC Lab #94
Sample Receipt Checklist
r
Client:El , �rj'% ���_ pale: 3 Report Number:
6602 Windmill Way
Wilmington, NC 28405
910.392.0223
Receipt of sample: ECHEM Pickup ❑ Client Delivery ❑ JUPS,
FedEx ❑ Other ❑
❑ YES ❑ NO
JA N/A
1. Were custody seals present on the cooler?
❑ YES I0 NO
a 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
I Gun ID: Thomas Traceable S/N 210886869 IR Gun Correction Factor °C: 0.0
KL YES
YES
❑ NO
❑ NO
3. If temperature of cooler exceeded 6°C, was Project Mgr./QA notified?
4. Were proper custody procedures (relinquished/received) followed?
YES
YES
❑ NO
❑ NO
5. Were sample ID's listed on the COC?
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 availableT
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
❑ 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)
Sample(s) were received incorrectly preserved and were adjusted accordingly
by adding (circle one): H2SO4 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

in
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Field Loading Estimate
Facility
Elizabeth City WTP
Sampling Date
5/16/2023
% Solids
2.24
Mineralization Rate
0
Gallons Per DT
10705.72
PH
9.05
SAR 0.13
<5.0 Safe 5.0 - 10.0 Careful Management >15.0 Do Not Land Apply
SAR Calculation
Value From source
Meq/L
Na
2,330
2.269217391
Ca
484,000
542.08
Mg
16,400
30.61333333
Nitrogen Application Nutrient Application
TKN (mg/Kg)
3,960
lbs./1000 gal 0.741
(mg/Kg)
(lbs./1000 gal)
Ammonia Nitrogen (mg/Kg)
1,030
lbs./1000 gal 0.193
Potassium
513
0.0960
Nitrate -Nitrite (mg/Kg)
30.4
lbs./1000 gal 0.006
Phosphorus
1,290
0.2413
Calcium
484,000
90.5274
Plant Available Nitrogen Surface Applied
Magnesium
16400
3.0675
PAN (mg/IKg) 545.4
(1bs./1000 gal)
0.102
Molybdenum
10.200
0.0019
Chromium
10.200
0.0019
Plant Available Nitrogen Injected/Incorporated Applied
PAN (mg/IKg) 1060.4 (1bs./1000 gal) 0.198
Volatilization Rate- .5 Suiface Application
1.0 Injection/Incoipoiation
EPA Metal Limits
Class A Ceiling
Linnts (mg/IKg)
41
Class B Ceiling
Linnts (mg/IKg)
75
Heavy Metal Concentration (mg/Kg)
Heavy Metal Loading (lbs./1
Afsenic 20.491 Afsenic 0.0038
39
85
Cadmium
10
Cadmium
0.0019
1,500
4,300
Coppei
10.2
Coppei
0.0019
300
840
Lead
10.2
Lead
0.0019
17
57
Meictuy
0.804
Meictuy
0.0002
420
420
Nickel
10.2
Nickel
0.0019
100
100
Selenium
20.5
Selenium
0.0038
2.800
7.500
Zinc
10.2
Zinc
0.0019
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)
1st I eu
3960
545
1.09
3415
3960
1060
2.12
2900
2nd I eu
3415
0
0.00
3415
2900
0
0.00
2900
31:d I eu
3415
0
0.00
3415
2900
0
0.00
2900
4th I eu
3415
0
0.00
3415
2900
0
0.00
2900
5th I eu
3415
0
0.00
3415
2900
0
0.00
2900
Total
545
1.09
Total
1060
2.12
Equations
1st vi. Pan (nag/Kg)-('MR x (Tim-Na3))+(VR x Na3)+Nox
2ud vi PAN (nag/Kg)- 2ud vi. TKN x (_MR/2)
3 d v� PAN (ems/ice= 3�d v�. TKN x (-',tR/4)
Ord vi PAN (ems/ice= Ord vi. TKN x (_MR/8)
sdz vi PAN (nag/Kg)- srd vi. TKN x (_MR/16)

Environmental Chemists, Inc.
6602 Windmill Way, Wilmington, NC 28405 m, 910.392.0223 Lab - 910.392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 a, 252.473.5702 Lab/Fax
255-A Wilmington Highway, Jacksonville, NC 28540 * 910.347.5843 Lab/Fax
info(oenvi ronmenta lchemists.com
Atlantic Sewage
Date of Report: Jun 19„ 2023
PO Box 2560
Customer PO #:
Kitty Hawk NC 27949
Customer ID: 19120002
Attention:
Report #: 2023-10014
Project ID: Elizabeth City WTP
mnm„Sample ID:
LabID
Collect Date/Time Matrix Sampled by
23-25116 Site: Sludge
5/16/2023
11:00 AM Solid/Sludge Stephen Cummings
Test
Method
Results Date Analyzed
Sludge Residuals
Aluminum
EPA 2007,Rev .44,1994
14900mglkg
05/31/2023
Arsenic
EPA 200 7 Rev 4 4 1994
<20.491 mg/kg
06/06/2023
Cadmium
EPA 200 7, Rev 4A. 1994
<10.2 mg/kg
05/31/2023
Calcium
EPA 200 7, Rev 4.4, 1994
484000 mg/kg
06/14/2023
Chromium
EPA 200 7, Rev 4.4. 1994
<10.2 mg/kg
05/31/2023
Copper
EPA 200 7. Rev 4A, 1994
<10.2 mg/kg
05/31/2023
Lead
EPA 200 7. Rev 4.4, 1994
<10.2 mg/kg
05/3112023
Magnesium
EPA 200 7, Rev 4.4. 1994
16400 mg/kg
05/3112023
Molybdenum
EPA 200 7, Rev 4.4. 1994
<10.2 mg/kg
05/3112023
Nickel
EPA 2007, Rev 44, 1994
<10.2 mg/kg
05/3112023
Potassium
EPA 200 7, Rev 4.4, 1994
<513 mglkg
05/3112023
Selenium
EPA 200.7„ Rev 4 4 1994
<20.5 mg/kg
06/0612023
Sodium
EPA 200.7„ Rev. 4A, 1994
2330 mg/kg
05/31/2023
Zinc
EPA 200 7,, Rev. 4 4, 1994
<10.2 mg/kg
05/31/2023
Nitrate+Nitrite-Nitrogen
EPA 353.2
30.4 mg/kg
05/22/2023
Total Solids ('/o)
SM 2540 B
2.24 %
05/18/2023
Ammonia Nitrogen
SM 4500 NH3 C-2011
1030 mg/kg
05/18/2023
Total Kjeldahl Nitrogen (TKN)
SM 4500 Norg B-2011
3960 mg/kg
05/18/2023
Total Phosphorus
SM 4500 P (F-H)-2011
1290 mg/kg
05/26/2023
pH
Sw846 Method 90450
9.05 units
05/17/2023
ResWt estimated. Anallyzed out of 15 minutes hold time.
Mercury
SW-846 7471 B
<0.804 mg/kg
05/19/2023
Comment: Results, except pH, reported on a dry weight basis. pH reported on an as received basis.
Reviewed by:
Report#:. 2023-10014
Page 1 of i

Environmental Chemist, Inc., Wilmington, NC Lab #94 6602 Windmill Way
Wilmington, NC 28405
910.392.0223
Sample Receipt Checklist
Client' �,�....„�!�t',� Date "o i, ,. Report Number
............................
Receipt of sample: ECHEM Pickup El
❑ YES NO N/A E2.
YES ❑ NO N/A®
ivery ❑ t1PS F ...
,Client Del.edEx
Were custody seals present on the cooler?
If custody seals were
®d
Original temperature upon receipt _ m m.. . ........... °C C
How temperature taken: ❑ Temperature Blank
?sent, were the
cted temperate
Against Bottles
Other 111
intact/unbroken?
re upon receipt C
IR Gun ID: Thomas `traceable S/N 210886869 iR Gun Correction Factor 'C: 0.0
J&
YES
❑
NO
3. If temperature of cooler exceeded VC, 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?
1i
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?'
li�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
❑
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
IT
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:
Sample(s)
by adding (circle one):
(Must be completed for any sample(s) incorrectly preserved or with headspace)
were received incorrectly preserved and were adjusted accordingly
H2SO4 HNO3 HCI NaOH
e of preservation: If more than one preservative is needed, notate in comments below
Notify customer service immediately for incorrectly preserved samples. Obtain a new sample or
y the state lab if directed to analyzed by tiie customer. Who was notified, date and time:
tiles Sample(s)
were received with headspace
COMMENTS:
DOC. QA.002 Rev 1

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Facility
Sampling Date
% Solids
Mineralization Rate
Gallons Per DT
PH
SAR 0.12
SAR Calculation
Value From source
Na
Ca
Mg
Elizabeth City WTP
7/10/2023
11.3
0
2122.20
9.45
697
291,000
11,100
Field Loading Estimate
<5.0 Safe 5.0 - 10.0 Careful Management >15.0 Do Not Land Apply
Meq/L
3.424391304
1644.15
104.525
Nitrogen Application Nutrient Application
TKN (mg/Kg)
1,840
lbs./1000 gal 1.736
(mg/Kg)
(lbs./1000 gal)
Ammonia Nitrogen (mg/Kg)
0.88
lbs./1000 gal 0.001
Potassium
279.152
0.2634
Nitrate -Nitrite (mg/Kg)
5.71
lbs./1000 gal 0.005
Phosphorus
136
0.1283
Calcium
291,000
274.5731
Plant Available Nitrogen Surface Applied
Magnesium
11100
10.4734
PAN (mg/IKg) 6.15
(lbs./1000 gal)
0.006
Molybdenum
5.570
0.0053
Chromium
5.570
0.0053
Plant Available Nitrogen Injected/Incorporated Applied
PAN (mg/Kg) 6.59 (lbs./1000 gal) 0.006
Volatilization Rate- .5 Suiface Application
1.0 Injection/Incoipoiation
EPA Metal Limits
Class A Ceiling
Linnts (mg/IKg)
41
Class B Ceiling
Linnts (mg/IKg)
75
Heavy Metal Concentration (mg/Kg)
Heavy Metal Loading (lbs./l
Afsenic 5.57 Afsenic 0.0053
39
85
Cadmium
5.57
Cadmium
0.0053
1,500
4,300
Coppei
5.57
Coppei
0.0053
300
840
Lead
5.57
Lead
0.0053
17
57
Meictuy
0.150
Meictuy
0.0001
420
420
Nickel
5.57
Nickel
0.0053
100
100
Selenium
5.57
Selenium
0.0053
2.800
7.500
Zinc
5.57
Zinc
0.0053
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)
1stYeu
1840
6
0.01
1834
1840
7
0.01
1833
2nd Yeu
1834
0
0.00
1834
1833
0
0.00
1833
31:d Yeu
1834
0
0.00
1834
1833
0
0.00
1833
4th Yeu
1834
0
0.00
1834
1833
0
0.00
1833
5th Yeu
1834
0
0.00
1834
1833
0
0.00
1833
Total
6
0.01
Total
7
0.01
Equations
1st vi. Pan (nag/Kg)-('MR x (Tim-Na3))+(VR x Na3)+Nox
2ud vi PAN (nag/Kg)- 2ud vi. TKN x (_MR/2)
3 d v� PAN (ems/ice= 3�d v�. TKN x (-',tR/4)
Ord vi PAN (ems/ice= Ord vi. TKN x (_MR/8)
sdz vi PAN (nag/Kg)- srd vi. TKN x (_MR/16)

Environmental Chemists, Inc.
6602 Windmill Way, Wilmington, NC 28405 * 910.392.0223 Lab a 910.392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 o, 252.473.5702 Lab/Fax
255-A Wilmington Highway, Jacksonville, NC 28540 a, 910.347.5843 Lab/Fax
[e-mail]
Atlantic Sewage Date of Report: Aug 23, 2023
PO Box 2560 Customer PO #:
Kitty Hawk NC 27949 Customer ID: 19120002
Attention. Report #: 2023-14428
Project ID: Elizabeth City WTP
. . .............�������������� �� �. . �
......
Lab ID Sample IDCollect Date/Time Matrix Sampled by
23-35882 Site: Sludge 7/10/2023 1:10 PM Solid/Sludge Stephen Cummings
Test
Sludge Residuals
Aluminum
Arsenic
Cadmium
Calcium
Chromium
Copper
Lead
Magnesium
Molybdenum
Nickel
Potassium
Selenium
Sodium
Zinc
Nitrate+Nitrite-Nitrogen
Total Solids (%)
Ammonia Nitrogen
Total Kjeldahl Nitrogen (TKN)
Total Phosphorus
Method
EPA 200 7, Rev 4 4, 1994
EPA 200 7, Rev 44, 1994
EPA 200 7, Rev 44, 1994
EPA 200 7, Rev 44, 1994
EPA 200 7, Rev 44, 1994
EPA 200 7, Rev 44 1994
EPA 200 7, Rev 4 4, 1994
EPA 200 7, Rev 44, 1994
EPA 200 7, Rev 44, 1994
EPA 200 7, Rev 44, 1994
EPA 200 7, Rev 44 1994
EPA 200 7, Rev 4 4, 1994
EPA 200 7, Rev 44, 1994
EPA 200 7, Rev 44, 1994
EPA 353 2
SM 2540 B
SM 4500 NH3 C-2011
SM 4500 Norg B-2011
SM 4500 P (F-H)-2011
pH SW 846 Method 9045D
Result estimated. Analyzed out of 15 minutes hold time.
Mercury SW-8467471 B
Comment. -
Reviewed by: "J F
Results
12200 mg/kg
<5.57 mg/kg
<5.57 mg/kg
291000 mg/kg
<5.57 mg/kg
<5.57 mg/kg
<5.57 mg/kg
11100 mg/kg
<5.57 mg/kg
<5.57 mg/kg
<279.152 mg/kg
<5.57 mg/kg
697 mg/kg
<5.57 mg/kg
5.71 mg/kg
11.3 %
<0.88 mg/kg
1840 mg/kg
136 mg/kg
9.45 units
<0.15 mg/kg
Date Analyzed
08/01 /2023
08/16/2023
08/01 /2023
08/16/2023
08/01 /2023
08/01 /2023
08/01 /2023
08/01 /2023
08/01 /2023
08/01 /2023
08/01 /2023
08/01 /2023
08/16/2023
08/01 /2023
07/18/2023
07/14/2023
07/18/2023
07/19/2023
07/25/2023
07/21 /2023
07/31 /2023
........................,m,„,„,,,m,,.,,,,,,,,,,m,,,m,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, ,,,--
Report# 2Page
®fti,,w �

r-nvironmental Chemist, Inc., Wilmington, NC Lab #94
Sample Receipt Checklist
6602 Windmill Wa
Wilmington, NC 2840
910.392.022.
Client: - _ ..,
Date: e...
Report Number:
Receipt
YES � �
. of sample F ;HEM Pickup❑ ti ecei t t Delivery ❑ UPS
p _
❑ NO FedEx G1 Other 0
xi ..
N/A 1. Were custod �"
❑ YES ,.." �" y seals present on the cooler?
° _` Y p N Aa.
original temperature re /A 2. If custody seals were resent were the intact ` ceipt /unbroken
How temperature taken:
❑ Temperature Blank Corr a s Bottles
�r. P receipt
��-�---� p e u o n
YES omas Traceable S/N 210886869 g
IR Gun ID: Th
❑ NO �R Gun CorrectFactor °C 0 0
3. If temperature of cooler exceeded 6°C, was Project Mgr./qA notified?
YES
❑ N0 4.rn Were proper custod
YES ❑ NO y procedures (relinquished/received) followed?
5. Were sample ID's listed on the COC?
YES ❑ NO 6. Were samples ID's listed on sample containers?
YES ❑ NO li
7• Were collection date YES ❑ NO and time listed on the COC?
�
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?
rYES ❑ NO
---YES 11. Was adequate sample volume available?'
YES ❑ NO 12. Were samples received within proper holding time for re
YES ❑ NO 13. Were acid preserved samples received at a pH of <2? * quested tests?
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 _ **
YES ❑ N0— �.�,.._�.��. .,_..._
17. Were Sulfide/Cyanide received at a chlorine` residual of <0.5 m/L?
YES ❑ NO 18. Were orthophosphate samples filtered in the field I
thin 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 samples) incorrect)
Samples) y preserved or with headspace)
were received incorrectly preserved and were adjusted accordingly
by adding (circle one): H2SO4 HNO3 HCI
Time of preservation: NaOH
If more than one preservative is needed, notate in comments below
Nate: Notify customer service immediately for incorrectly preserved samples. Obtain anew sample or
notify the state lab if directed to analyzed by the customer. Who was notified, date and time:
Volatiles Sample(s) .........
were received wit
_ .......
h headspace
COMMFNTc.
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Field Loading Estimate
Facility Elizabeth City WTP
Sampling Date
9/26/2023
% Solids
2.03
Mineralization Rate
0
Gallons Per DT
11813.21
PH
9.27
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 2,260
1.994695652
Ca 374,000
379.61
Mg 15,500
26.22083333
Nitrogen Application Nutrient Application
TKN (mg/Kg)
2,270
lbs./1000 gal 0.385
(mg/Kg)
(lbs./1000 gal)
Ammonia Nitrogen (mg/Kg)
900
lbs./1000 gal 0.153
Potassium
483
0.0819
Nitrate -Nitrite (mg/Kg)
33.60
lbs./1000 gal 0.006
Phosphorus
330
0.0559
Calcium
374,000
63.3949
Plant Available Nitrogen Surface Applied
Magnesium
15500
2.6273
PAN (mg/IKg) 483.6
(1bs./1000 gal)
0.082
Molybdenum
9.66
0.0016
Chromium
9.66
0.0016
Plant Available Nitrogen Injected/Incorporated Applied
PAN (mg/IKg) 933.6 (1bs./1000 gal) 0.158
Volatilization Rate- .5 Suiface Application
1.0 Injection/Incoipoiation
EPA Metal Limits
Class A Ceiling
Linnts (mg/IKg)
41
Class B Ceiling
Linnts (mg/IKg)
75
Heavy Metal Concentration (mg/Kg)
Heavy Metal Loading (lbs./l
Afsenic 9.66 Afsenic 0.0016
39
85
Cadmium
9.7
Cadmium
0.0016
1,500
4,300
Coppei
9.66
Coppei
0.0016
300
840
Lead
9.66
Lead
0.0016
17
57
Meictuy
0.916
Meictuy
0.0002
420
420
Nickel
9.66
Nickel
0.0016
100
100
Selenium
9.66
Selenium
0.0016
2.800
7.500
Zinc
9.66
Zinc
0.0016
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)
1stYeu
2270
484
0.97
1786
2270
934
1.87
1336
2nd Yeu
1786
0
0.00
1786
1336
0
0.00
1336
31:d Yeu
1786
0
0.00
1786
1336
0
0.00
1336
4th Yeu
1786
0
0.00
1786
1336
0
0.00
1336
5th Yeu
1786
0
0.00
1786
1336
0
0.00
1336
Total
484
0.97
Total
934
1.87
Equations
1st vi. Pan (nag/Kg)-('MR x (Tim-Na3))+(VR x Na3)+Nox
2ud vi PAN (nag/Kg)- 2ud vi. TKN x (_MR/2)
3 d v� PAN (ems/ice= 3�d v�. TKN x (-',tR/4)
Ord vi PAN (ems/ice= Ord vi. TKN x (_MR/8)
sdz vi PAN (nag/Kg)- srd vi. TKN x (_MR/16)

Atlantic Sewage
Date of Report: Nov 06, 2023
PO Box 2560
Customer PO #:
Kitty Hawk NC 27949
Customer ID: 19120002
Attention:
Report M. 2023-22425
Project ID: Elizabeth City WTP
Lab ID Sample ID:
Collect Date/Time Matrix Sampled by
23-54645 Site: Sludge
9/26/2023
12:05 PM Solid/Sludge Stephen Cummings
Test
Method
Results Date Analyzed
Sludge Residuals
Aluminum
EPA 200.7, Rev. 4.4, 1994
15600 mg/kg
10/18/2023
Arsenic
EPA 200.7, Rev. 4.4, 1994
<9.66 mg/kg
10/18/2023
Cadmium
EPA 200.7, Rev. 4.4, 1994
<9.66 mg/kg
10/18/2023
Calcium
EPA 200.7, Rev. 4.4, 1994
374000 mg/kg
10/27/2023
Chromium
EPA 200.7, Rev. 4.4,1994
<9.66 mg/kg
10/18/2023
Copper
EPA 200.7. Rev, 4.4, 1994
<9.66 mg/kg
10/18/2023
Lead
EPA 200.7, Rev, 4,4, 1994
<9.66 mg/kg
10/18/2023
Magnesium
EPA 200.7,, Rev 4.4, 1994
15500 mg/kg
10/18/2023
Molybdenum
EPA 2007, Rev, 4.4,1994
<9,86 mg/kg
10/18/2023
Nickel
EPA 200.7„ Rev, 4.4, 1994
<9.66 mg/kg
10/18/2023
Potassium
EPA 200.7, Rev, 4.4, 1994
<483 mg/kg
10/18/2023
Selenium
EPA 200.7, Rev. 4.4, 1994
<9.66 mg/kg
11/02/2023
Sodium
EPA 200.7„ Rev. 4.4, 1994
2260 mg/kg
10/18/2023
Zinc
EPA 200.1, Rev. 4.4„ 1994
<9.66 mg/kg
10/18/2023
Nitrate+Nitrite-Nitrogen
EPA353.2
33.6mg/kg
10/02/2023
Total Solids (%)
SM 2540 B
2.03 %
10/03/2023
Ammonia Nitrogen
SM 4500 NH3 C-2011
900 mg/kg
09/29/2023
Total Kjeldahl Nitrogen (TKN)
SM 4500 Norg B-2011
2270 mg/kg
09/29/2023
Total Phosphorus
SM 4500 P (F-H)-2011
330 mg/kg
10/04/2023
pH
SW 846 Method 9045D
9.27 units
10/09/2023
Result estimated. Analyzed out of 15 minutes hold time,
Mercury
SW-846 7471 B
<0.916 mg/kg
10/11/2023
Comment: *Sludge residual resullts, except pH, reported on a dry weight basis. pH reported on an as received
basis.
Reviewed by:
Report C 2023,22425 Page 1 of 1

Environmental Chemist, Inc., Wilmington, NC Lab #94
Sample Receipt Checklist
6602 Windmill Way
Wilmington, NC 28405
910.392.0223
Client: 0, t'l z_CX-V—p—ti-) C�+`-') Date: Ci Report Number: 2023-2:2415
Receipt of sample: ECHEM Pickup 0 Client Delivery 0
JUPS FedEx 0 Other 0
13 YES
10 NO 19 N/A
1. Were custody seals present on the cooler?
ff YES
10 NO IN N/A
2. If custody seals were present, were they intact/unbroken?
Original temperature upon receipt Corrected temperature upon receipt oc
How temperature taken: 11 Temperature Blank 59 Against Bottles
IR Gun ID: Thomas Traceable S/N 210886869 IR Gun Correction Factor *C: 0.0
E9 YES
0 NO
3. If temperature of cooler exceeded 6°C, was Project Mgr./QA notified?
nx YES
13 NO
4. Were proper custody procedures (relinquished/received) followed?
19 YES
11 NO
S. Were sample ID's listed on the COC?
9 YES
13 NO
6. Were samples ID's listed on sample containers?
59 YES
0 NO
7. Were collection date and time listed on the COC?
9 YES
13 NO
S. Were tests to be performed listed on the COC?
0 YES
0 NO
9. Did samples arrive in proper containers for each test?
& YES
0 NO
10. Did samples arrive in good condition for each test?
9 YES
0 NO
11. Was adequate sample volume availableT
9 YES
13 NO
12. Were samples received within proper holding time for requested tests?
13 YES
13 NO
13, Were acid preserved samples received at a pH of <2?
0 YES
0 NO
14. Were cyanide samples received at a pH >12?
ff YES
0 NO
15. Were sulfide samples received at a pH >9?
0 YES
0 NO
16. Were NH3/TKN/Phenol received at a chlorine residual of <0.5 m/L?
0 YES
13 NO
17. Were Sulfide/Cyanide received at a chlorine residual of <0.5 m/L?
13 YES
0 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 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

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Facility
Sampling Date
% Solids
Mineralization Rate
Gallons Per DT
PH
SAR 0.11
SAR Calculation
Value From source
Na
Ca
Mg
Elizabeth City WTP
11/6/2023
4.85
0
4944.50
7.92
1,160
354,000
15,200
Field Loading Estimate
<5.0 Safe 5.0 - 10.0 Careful Management >15.0 Do Not Land Apply
Meq/L
2.446086957
858.45
61.43333333
I Nitrogen Application
Nutrient Application
TKN (mg/Kg) 494
lbs./1000 gal 0.200
(mg/Kg)
(lbs./1000 gal)
Ammonia Nitrogen (mg/Kg) 435.00
lbs./1000 gal 0.176
Potassium
412
0.1668
Nitrate -Nitrite (mg/Kg) 17.20
lbs./1000 gal 0.007
Phosphorus
150
0.0607
Calcium
354,000
143.3612
Plant Available Nitrogen Surface Applied
Magnesium
15200
6.1556
PAN (mg/IKg) 234.7 (1bs./1000 gal)
0.095
Molybdenum
8.27
0.0033
Chromium
8.27
0.0033
Plant Available Nitrogen Injected/Incorporated Applied
PAN (mg/IKg) 452.2 (1bs./1000 gal) 0.183
Volatilization Rate- .5 Suiface Application
1.0 Injection/Incoipoiation
EPA Metal Limits
Class A Ceiling
Linnts (mg/IKg)
41
Class B Ceiling
Linnts (mg/IKg)
75
Heavy Metal Concentration (mg/Kg)
Heavy Metal Loading (lbs./l
Afsenic 8.27 Afsenic 0.0033
39
85
Cadmium
8.3
Cadmium
0.0033
1,500
4,300
Coppei
8.27
Coppei
0.0033
300
840
Lead
8.27
Lead
0.0033
17
57
Meictuy
0.324
Meictuy
0.0001
420
420
Nickel
8.27
Nickel
0.0033
100
100
Selenium
8.27
Selenium
0.0033
2,800
7,500
Zinc
8.27
Zinc
0.0033
Residual Nitrogen Calculation
Remaing
PAN
Remaing
TKN
Surface (S)
PAN (S)
Organic N
TKN
Subsurface
(INJ)
Organic N
lbs/DT
(S)
(INJ)
lbs/DT
(INJ)
1st I eu
494
235
0.47
259
494
452
0.90
42
2nd Feai
259
0
0.00
259
42
0
0.00
42
31:d I eu
259
0
0.00
259
42
0
0.00
42
4th I eu
259
0
0.00
259
42
0
0.00
42
5th I eu
259
0
0.00
259
42
0
0.00
42
Total
235
0.47
Total
452
0.90
Equations
1st vi. Pan (nag/Kg)-('MR x (Tim-Na3))+(VR x Na3)+Nox
2ud vi PAN (nag/Kg)- 2ud vi. TKN x (_MR/2)
3 d v� PAN (ems/ice= 3�d v�. TKN x (-',tR/4)
Ord vi PAN (ems/ice= Ord vi. TKN x (_MR/8)
sdz vi PAN (nag/Kg)- srd vi. TKN x (_MR/16)

Atlantic Sewage Date of Report: Dec 05, 2023
PO Sox 2560 Customer PO #:
Kitty Hawk NC 27949 Customer ID: 19120002
Attention: Report #: 2023-26055
Project ID: Elizabeth City WTP
Lab ID Sample ID:
23-63055 Site: Sludge
Collect Date/Time Matrix Sampled by
11/6/2023 11:25 AM Solid/Sludge Stephen Cummings
Test
Method
Results
Date Analyzed
Sludge Residuals
Aluminum
EPA 200.7, Rev, 4.4,1994
12200 mg/kg
11/21/2023
Arsenic
EPA 2007, Rev. 4.4,1994
<8.27 mglkg
11/21/2023
Cadmium
EPA 2007, Rev. 4.4, 1994
<8.27 mg/kg
11 /21/2023
Calcium
EPA 20030. Rev. 4.4,1994
354000 mg/kg
12/01 /2023
Chromium
EPA 2007, Rev. 4.4, 1994
<8.27 mg/kg
11121 /2023
Copper
EPA 2007„ Rev. 4.4„ 1994
<8.27 mg/kg
11/21/2023
Lead
EPA 200.7, Rev, 4.4„ 1994
<8.27 mg/kg
1112112023
Magnesium
EPA 2007, Rev. 4,4,1994
15200 mg/kg
11/21/2023
Molybdenum
EPA200,7, Rev 44, 1994
<8.27 mg/kg
11/21/2023
Nickel
EPA 200,7„ Rev. 4.4,,1994
<8.27 mg/kg
11121/2023
Potassium
EPA 200.7, Rev. 4.4,1994
<412 mg/kg
11/21/2023
Selenium
EPA 200.7, Rev. 4 4, 1994
<8.27 mg/kg
11/21/2023
Sodium
EPA 200,7, Rev, 4 4, 1994
1160 mg/kg
11/21/2023
Zinc
EPA 200 7, Rev 4 4, 1994
<8.27 mg/kg
11/21/2023
Nitrate+Nitrite-Nitrogen
EPA 3532
17.2mg/kg
11/13/2023
Total Solids (%)
SM 2540 B
4.85 %
11/09/2023
Ammonia Nitrogen
SM 4500 NH3 C-2011
435 mg/kg
11 /10/2023
Total Kjeldahl Nitrogen (TKN)
SM 4500 Norg B-2011
494 mg/kg
11/10/2023
Total Phosphorus
SM 4500 P (F-H)-2011
150 mg/kg
11 /13/2023
pH
SW E46 Method 9045D
7.92 units
11 /28/2023
Result estimated. Analyzed out of
15 minutes hold time.
Mercury Sw-846 7471 B <0.324 mg/kg 11 /14/2023
Comment: *Sludge residual results, except pH, reported on a dry weight basis. pH reported on an as received
basis. p //��
Reviewed by: _ `'a (^t lr��-c /4/
Report #:: 2023-26055 Page 1 of 1

Environmental Chemist, Inc., Wilmington, NC Lab #94
Sample Receipt Checklist
6602 Windmill Way
Wilmington, NC 28405
910.392.0223
client: LAI abe��J'4A -Date: Report Number: 2023- 2_(oD5S
Receipt of sample- ECHEM Pickup 0 —_ Client Delivery 0,.,.,
JUPS 5� FedEx 0 Other D
0 YES
10 NO
10 N/A
1. Were custody seals present on the cooler?
6 YES
10 NO
I N N/A
12. if custody seals were present, were they intact/unbroken?
Original temperature upon receipt =,��,C Corrected temperature upon receipt,_—", .,c
How temperature taken: 0 Temperature Blank 9 Against Bottles
IR Gun ID: Thomas Traceable S/N 210886869 IR Gun Correction Factor *C: 0.0
0 YES
E3 NO
3. If temperature of cooler exceeded VC, was Project Mgr./CA notified?
21 YES
0 NO
4. Were proper custody procedures (relinquished/received) followed?
• YES
U NO
5. Were sample ID's listed on the COC?
• YES
11 NO
6. Were samples ID's listed on sample containers?
Nx YES
13 NO
7. Were collection date and time listed on the COC?
ED YES
0 NO
8. Were tests to be performed listed on the COC?
E9 YES
0 NO
9. Did samples arrive in proper containers for each test?
9 YES
0 NO
10. Did samples arrive in good condition for each test?
Cl YES
13 NO
11. Was adequate sample volume availableT
ED YES
13 NO
12. Were samples received within proper holding time for requested tests?
0 YES
0 NO
13. Were acid preserved samples received at a pH of <2?
ID YES
El NO
14. Were cyanide samples received at a pH >12?
0 YES
IJ NO
15. Were sulfide samples received at a pH >9?
13 YES
0 NO
16. Were NH3/TKN/Phenol received at a chlorine residual of <0.5 m/L?
0 YES
0 NO
17. Were Sulfide/Cyanide received at a chlorine residual of <0.5 m/L?
0 YES
13 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)
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
Inotify the state lab if directed to analyzed by the customer. Who was notified, date and timer 11—
Ivolatiles Sample(s) - were received with headspace
COMMENTS:
DOC. QA.002 Rev 1

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2023 Class A Annual Report
WQ0040622
Annual Distribution and Marketing
Certification Summary Form

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