WQ0021828_More Information (Received)_20221219

Initial Review
Reviewer
Thornburg, Nathaniel D
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
Permit Number (IR) * WQ0021828
Applicant/Permittee Orange Water and Sewer Authority
Email Notifications
....... ........ ......... ......... .........
Does this need review by the hydrogeologist? * Yes No
Regional Office
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* Rob Willcox
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*
3363399128
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.
hftps://edocs.deq.nc.gov/Forms/NonDischarge_Monitoring_Report
Perm it Type:*
Wastewater Irrigation
High -Rate Infiltration
Other Wastewater
Reclaimed Water
Closed -Loop Recycle
Residuals
Single -Family Residence Wastewater
Other
Irrigation
Permit Number: *
WQ0021828
Has Current Existing permit number
Applicant/Permittee Address*
400 Jones Ferry Road; Carrboro, N.C. 27510
Facility Name*
OWASA Class A Residuals Program
Please provide comments/notes on your current submittal below.
Additional Information Request Response for WQ0021828 Distribution of Class A Residuals -
Orange Water and Sewer Authority
Attention: Zachary Mega
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.)
15-13 OWASA Add Info 12-2-22 Response.pdf 4.36MB
Upload only 1 PDF document (less than 250 Me). 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
15p� wkl r

Submission Date 12/19/2022

willcox&mate
SO I L SOL U T I ON S
December 19, 2022
NCDEQ/DWR
Non -Discharge Branch
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Attention: Mr. Zachary Mega
Reference: Application for Orange Water and Sewer Authority — Distribution of
Class A Residuals - Permit No. WQ0021828
Additional Information Request dated December 2, 2022
Orange County, North Carolina
Willcox & Mabe Soil Solutions, PLLC Project No. 15-13
Dear Mr. Mega:
Willcox & Mabe Soil Solutions, PLLC (WMSS) is submitting the enclosed Additional
Information Response for the referenced permit application for Orange Water and Sewer
Authority (OWASA) Distribution of Class A Residuals Program. Please accept this letter
and the attachments as response to the referenced items within the Additional Information
Request from the North Carolina Department of Environmental Quality (NCDEQ) —
Division of Water Resources (DWR), Non -Discharge Branch (NDB) dated December 2,
2022. WMSS is providing response to the following items with the request and response
given below:
Question G.l.i. Application (FORM: RSC 06-16), 1. Item IL3- Hazardous Waste
Determination:
• The laboratory results provided from Research & Analytical Laboratories, Inc. are
from September 14, 2020. Per Condition IV.2. of the previously issued permit,
TCLP analysis is required annually. Please provide TCLP analysis documentation
for 2022. [15A NCAC 13A .0102(b), 02T .1101, 02T .1105]
Response:
• Attached are current (2022) TCLP results to include Reactivity, Ignitability and
Corrosivity. An updated Hazardous Waste Determination Form: RSC 06-16 is also
attached.
Question G.21 Application (FORM: RSC 06-16), Item IL4-Metals Determination:
• The listed results under Item II.4.a. do not match the laboratory results provided
from Pace Analytical on August 8, 2022. Please update these values to match. [15A
NCAC 02T .1101]
Willcox & Mabe Soil Solutions, PLLC / 7231 B Summerfield Road / Summerfield, NC 27358 / Rob 336.339.9128 or
Martin 336.312.1396 / www.willcoxmabesoil.com

Application for OWASA DCAR
Additional Information Reauest — Aoolication No. W00021828
WMSS Project No. 15-13
December 19. 2022
Response:
• Based upon a phone conversation on December 13, 2022, between Mr. Zachary
Mega with NCDEQ, DWR and Mr. Rob Willcox with WMSS it was discussed
that the dry weight conversions provided in the application package were
understood and were correct as originally submitted.
Question G.3J. Application (FORM: RSC 06-16), Item IL5-Nutrient/Micronutrient
Determination:
• The listed results under Item II.5.b. do not match the laboratory results provided
from Pace Analytical on August 8, 2022. Please update these values to match.
[ 15A NCAC 02T.1101]
Response:
• Based upon a phone conversation on December 13, 2022, between Mr. Zachary
Mega with NCDEQ, DWR and Mr. Rob Willcox with WMSS it was discussed
that the dry weight conversions provided in the application package were
understood and were correct as originally submitted.
Question G.3.ii. Application (FORM: RSC 06-16), Item II.5-Nutrient/Micronutrient
Determination:
• The calculated Five -Year Maximum Adjusted PAN values listed for Item IL5.e.
are incorrect. Please see the comment under Section K and correct these values.
Response:
• Based upon e-mail correspondence on December 19, 2022, between Mr. Zachary
Mega with NCDEQ, DWR and Mr. Rob Willcox with WMSS information was
provided to justify the calculated Five -Year Maximum Adjusted PAN.
Question J.1. Biosolids Analysis:
• A different permit number is listed here. Please correct with WQ0021828.
Response:
• A revised sludge analysis cover sheet is attached
Question J.2. Biosolids Analysis:
• How were the parameter values listed here calculated? They do not match the
laboratory results provided from Pace Analytical on August 8, 2022. I see they are
listed under a table labeled "Final Data" before the laboratory report pages begin,
but these are not certified results. Please update these values to match.
Response:
• Based upon a phone conversation on December 13, 2022, between Mr. Zachary
Mega with NCDEQ, DWR and Mr. Rob Willcox with WMSS it was discussed
that the dry weight conversions provided in the application package were
understood and were correct as originally submitted.

Application for OWASA DCAR WMSS Project No. 15-13
Additional Information Reauest — Application No. WQ0021828 December 19. 2022
Question K. Residual PAN Calculation:
• All calculated values past the 1st Year PAN are incorrect. It appears that the
remaining organic PAN was calculated incorrectly throughout. For the 2nd Year,
the TKN should be 49,622 mg/kg (i.e., 81,400 mg/kg — 31, 778 mg/kg = 49, 622
mg/kg). From there the 2nd Year PAN should be 49,622 mg/kg x (0.2/2), which
would be 4,962 mg/kg. Please recalculate these values correctly and update.
Response:
• Based upon e-mail correspondence on December 19, 2022, between Mr. Zachary
Mega with NCDEQ, DWR and Mr. Rob Willcox with WMSS information was
provided to justify the calculated Five -Year Maximum Adjusted PAN.
Question M. Laboratory Reports:
• Why are the Pace Analytical results from August 8, 2022, not all in mg/kg?
Response:
• Based upon a phone conversation on December 13, 2022, between Mr. Zachary
Mega with NCDEQ, DWR and Mr. Rob Willcox with WMSS it was discussed
that the dry weight conversions provided in the application package were
understood and were correct as originally submitted.
WMSS appreciates the opportunity to assist in responding to the Additional Information
Request for the OWASA Distribution of Class A Residuals Program. If after reviewing
the enclosed information you have any questions or require any additional information,
please contact us at your convenience.
Sincerely,
Willcox & Mabe Soil Solutions, PLLC
Martin E. Mabe
Partner/Agronomist
Attachments: 2022 TCLP Results
Rob Willcox, L.S.S.
Partner/Soil Scientist
Updated Hazardous Waste Determination Form: RSC 06-16
Updated Sludge Analysis Cover Sheet
cc: OWASA
Shared\WMSS Projects\2015\15-13 OWASA\2022 Class A Permit Renewal\Additional Information\15-13 OWASA Add
Info 12-2-22.doc

ATTACHMENTS
• 2022 TCLP Results
• Updated Hazardous Waste Determination Form: RSC 06-16
• Updated Sludge Analysis Cover Sheet

Pace Analytical Services, LLC
ceAnalytical ® 1 South Park Drive
Kernrnersville, NC 27284
www.pacolahs.com [phone]
Page 1 of 2
Laboratory Report
Wilmer Lawson Report Date: 10/06/2022
OWASA Date Received: 09/12/2022
400 Jones Ferry Road
Carrboro, NC 27510
Project: OWASA- Digested Sludge
Pace Project No.: 92624978
Sample: Digested Sludge Lab ID:
Method Parameters
92624978001 Collected: 09/12/22 08:35 Matrix:
Results Units Report Limit
Water
Analyzed Qualifiers
EPA 8081 B
gamma-BHC (Lindane)
ND
ug/L
0.50
09/22/22 13:38 R1
EPA 8081 B
Chlordane (Technical)
ND
ug/L
3.0
09/22/22 13:38
EPA 8081 B
Endrin
ND
ug/L
0.50
09/22/22 13:38
EPA 8081 B
Heptachlor
ND
ug/L
0.50
09/22/22 13:38
EPA 8081 B
Heptachlor epoxide
ND
ug/L
0.50
09/22/22 13:38
EPA 8081 B
Methoxychlor
ND
ug/L
1000
09/22/22 13:38
EPA 8081 B
Toxaphene
ND
ug/L
3.0
09/22/22 13:38
EPA 601OD
Arsenic
ND
mg/L
0.30
09/30/2212:29
EPA 601OD
Barium
ND
mg/L
0.50
09/30/2212:29
EPA 601OD
Cadmium
ND
mg/L
0.10
09/30/2212:29
EPA 601OD
Chromium
ND
mg/L
0.10
09/30/2212:29
EPA 601OD
Lead
ND
mg/L
0.25
09/30/2212:29
EPA 601OD
Selenium
ND
mg/L
0.40
09/30/2212:29
EPA 601OD
Silver
ND
mg/L
0.10
09/30/2212:29
EPA 7470A
Mercury
ND
mg/L
0.0050
09/30/22 13:20
EPA 200.7 Rev 4.4 1994
Aluminum
1370000
ug/L
2500
09/21/22 13:18
EPA 200.7 Rev 4.4 1994
Arsenic
111
ug/L
50.0
09/19/22 15:30
EPA 200.7 Rev 4.4 1994
Cadmium
26.6
ug/L
5.0
09/19/22 15:30
EPA 200.7 Rev 4.4 1994
Calcium
459000
ug/L
500
09/19/22 15:30
EPA 200.7 Rev 4.4 1994
Copper
7840
ug/L
25.0
09/19/22 15:30
EPA 200.7 Rev 4.4 1994
Lead
304
ug/L
25.0
09/19/22 15:30
EPA 200.7 Rev 4.4 1994
Magnesium
128000
ug/L
500
09/19/22 15:30
EPA 200.7 Rev 4.4 1994
Molybdenum
137
ug/L
25.0
09/19/22 15:30
EPA 200.7 Rev 4.4 1994
Nickel
364
ug/L
25.0
09/19/22 15:30
EPA 200.7 Rev 4.4 1994
Potassium
198000
ug/L
25000
09/19/22 15:30
EPA 200.7 Rev 4.4 1994
Selenium
156
ug/L
50.0
09/19/22 15:30
EPA 200.7 Rev 4.4 1994
Sodium
142000
ug/L
25000
09/19/22 15:30
EPA 200.7 Rev 4.4 1994
Zinc
20300
ug/L
50.0
09/19/22 15:30
EPA 245.1 Rev 3.0 1994
Mercury
0.60
ug/L
0.20
10/06/22 09:24
EPA 8270E
1,4-Dichlorobenzene
ND
ug/L
50.0
09/22/22 20:02
EPA 8270E
2,4-Dinitrotoluene
ND
ug/L
50.0
09/22/22 20:02
EPA 8270E
Hexachloro-1,3-butadiene
ND
ug/L
50.0
09/22/22 20:02
EPA 8270E
Hexachlorobenzene
ND
ug/L
50.0
09/22/22 20:02
EPA 8270E
Hexachloroethane
ND
ug/L
50.0
09/22/22 20:02
EPA 8270E
2-Methyl phenol(o-Cresol)
ND
ug/L
50.0
09/22/22 20:02
EPA 8270E
3&4-Methylphenol (m&p Cresol)
ND
ug/L
50.0
09/22/22 20:02
EPA 8270E
Nitrobenzene
ND
ug/L
50.0
09/22/22 20:02
EPA 8270E
Pentachlorophenol
ND
ug/L
100
09/22/22 20:02
EPA 8270E
Pyridine
ND
ug/L
50.0
09/22/22 20:02
EPA 8270E
2,4,5-Trichlorophenol
ND
ug/L
50.0
09/22/22 20:02
EPA 8270E
2,4,6-Trichlorophenol
ND
ug/L
50.0
09/22/22 20:02
EPA 8260D
Benzene
ND
ug/L
100
09/22/22 08:36 Page 1 of 11

aceAnalytical
www.paeelabs.enm
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
Sample: Digested Sludge
Lab ID: 92624978001 Collected: 09/12/22 08:35 Matrix: Water
Method
Parameters
Results
Units
Report Limit
EPA 8260D
2-Butanone (MEK)
ND
ug/L
200
EPA 8260D
Carbon tetrachloride
ND
ug/L
100
EPA 8260D
Chlorobenzene
ND
ug/L
100
EPA 8260D
Chloroform
ND
ug/L
100
EPA 8260D
1,4-Dichlorobenzene
ND
ug/L
100
EPA 8260D
1,2-Dichloroethane
ND
ug/L
100
EPA 8260D
1,1-Dichloroethene
ND
ug/L
100
EPA 8260D
Tetrachloroethene
ND
ug/L
100
EPA 8260D
Trichloroethene
ND
ug/L
100
EPA 8260D
Vinyl chloride
ND
ug/L
100
SM 2540B-2015
Total Solids
26000
mg/L
500
EPA 350.1 Rev 2.0 1993
Nitrogen, Ammonia
1530
mg/L
25.0
EPA 351.2 Rev 2.0 1993
Nitrogen, Kjeldahl, Total
2460
mg/L
100
EPA 353.2 Rev 2.0 1993
Nitrogen, NO2 plus NO3
1.4
mg/L
0.040
EPA 353.2 Rev 2.0 1993
Nitrogen, Nitrate
1.1
mg/L
0.040
EPA 353.2 Rev 2.0 1993
Nitrogen, Nitrite
0.29
mg/L
0.040
EPA 365.1 Rev 2.0 1993
Phosphorus
1150
mg/L
25.0
ANALYTE QUALIFIERS
R1 RPD value was outside control limits.
Reviewed by:� "
Stephanie Knott
704-977-0981
[e-mail]
Pace Analytical Services Charlotte
South Carolina Laboratory ID: 99006
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
North Carolina Drinking Water Certification #: 37706
North Carolina Field Services Certification #: 5342
North Carolina Wastewater Certification #: 12
South Carolina Laboratory ID: 99006
Pace Analytical Services Asheville
2225 Riverside Drive, Asheville, NC 28804
Florida/NELAP Certification #: E87648
North Carolina Drinking Water Certification #: 37712
North Carolina Wastewater Certification #: 40
Pace Analytical Services Peachtree Corners
110 Technology Pkwy, Peachtree Corners, GA 30092
Florida DOH Certification #: E87315
Georgia DW Inorganics Certification #: 812
Analyzed
09/22/22 08:36
09/22/22 08:36
09/22/22 08:36
09/22/22 08:36
09/22/22 08:36
09/22/22 08:36
09/22/22 08:36
09/22/22 08:36
09/22/22 08:36
09/22/22 08:36
09/14/22 17:18
09/30/22 13:05
09/30/22 06:39
09/14/22 01:46
09/14/22 01:46
09/14/22 01:46
09/30/22 19:23
South Carolina Certification #: 99006001
South Carolina Drinking Water Cert. #: 99006003
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
Louisiana DoH Drinking Water#: LA029
Virginia/VELAP Certification #: 460221
South Carolina Laboratory ID: 99030
South Carolina Certification #: 99030001
Virginia/VELAP Certification #: 460222
North Carolina Certification #: 381
South Carolina Certification #: 98011001
Page 2 of 2
Qualifiers
Page 2 of 11

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DC'M_Titfe: ENV-FR,M-HLJN1-0084 V01 Tech Spec Sample Condition
Upon Receipt
I Effective Date: 05,1Z.'2�22
Laboratory receiving samples:
Asheville ❑ Eden Greenwood 0 HuntersvHle Ralaigh� Machanicsv'slle] % 3anta� Karnersville%f
- Client `fame:
�- 19 W a f Q Project" :
�iy eJ f
Courier, ❑red Ex IJU?5 ❑ US?5
❑ Commercial lzpace ❑Client
❑Other, �' �
Carrier Tracking Number:
Custody Seal Present? ❑Yes P!c Seals Intact? ❑Yes ❑Na
Packing Rilaterial: Elsubble wrap yubble flags ❑rfene
❑ Cthar
Thermometer: ❑ IR Gun ID:
`1 Type of ICE!: ki wat ElP!ue El?Jona
Cooler Temp ('C ): 7 ' l Correction Factor. Add / Subtract (°C)
Temp should be ahcve freezing to 6°C
Corrected Cooler Temp (°C ): (• ❑Samples out of tamp cr!taria. Samples en ica, tooling
USDA Regulated Soil ( ❑ N/A, water sample)
has be -Tin prccass
Did samples iginat in a quarantine zone within the Unitad States: CA, NY, or SC (check maps)? Did samples orig!nate- from a foreign sour -,a (intern nal}
❑Yes / No
indudirg Ha.vaii and Puerto Ricap ❑yes No
I Comments/Discra-pancv:
Chain of Custody Prsent?
Elves
❑ND
❑N/A
1.
Samples Arrived within Hold Time?
Snort Hold Time Analysis (<72 hr.)?
{}jres
❑Yes
nNo
ffJN❑
❑NIA
❑N/A
2.
I R,
Rush Turn Around Time Requested?
❑Yes
&0
❑N/A
14.
Sufficient Volume?
[KY,s
❑NO
❑N/A
Correct Containers Used?
-Pace_ Containers Used?
Oyes
15Yes
[]No
❑No
❑N/A
❑N/A
15.
6
Containers Intact?
Dissolved analysis: Samples Field Filtered?
Sample Labels Klatch COC?
QYes
❑Yes
Zryes
ONO
ON,
❑Nv
❑rl/A
NIA I
❑n/A
7.
S.
9.
-[riciudes Date/Time/ID/Analysis Matrix:
p
V 1
Headscace in VOA Vials (>S-Gmm)?
Trip Blank Present?
Trio Blank Custody Seals Present?
COMMENTS/SAMPLE DISCREPANCY
Dyes
Oyes
Dyes
❑No
❑No
ONO
NIA 110,
�N(A
[?N/A
11.
Temp Log: Temp must be maintained
at <5 C.during login, record temp
every 20 minutes.
Time opened:/ / Q Temp: . p
Time- ILI2D put in cooler
Time: Temp:
Person Contacted
0
Project Manager SCURF Review:
Project Manager SRF Review:
Qualtrax Document ID: 70677
Date/Initials Person Examining Contents:
8iciegical Tissue Frozen? �y
❑Yes ON' Z7I/A
Field Data Raquired?
Lot ID of crlit
CLIENT NOTiFICAT]ON/RESOLUTIOPJ
Date/Time:
Date:
Date:
Page 1 Of 2
Page 4 of 11

_ ;acekalytical
Document Name:
Bottle Identification Form (BIF)
Document Issued: November 15, 2021
Page 1 of 1
Document No.:
F-CAR-CS-043-Rev.01
Issuing Authority:
Pace Carolinas Quality Office
*Check mark top half of box if pH and/or dechlorination is
verified and within the acceptance range for preservation
samples.
Exceptions: VOA, Coliform, TOC, Oil and Grease, DRO/8015 (water) DOC, LLHg
**Bottom half of box is to list number of bottles
Project #
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PH Adjustment Log for Preserved Samples
Sample ID
Type of Preservative
pH upon receipt
Date preservation adjusted
Time preservation
adjusted
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added
Lot tt
i
Note: Whenever there is a discrepancy atfecting North Carolina compliance samples, a copy of this form wilf be sent to the North Carolina DEHNR Certification Office (i.e.
Out of hold, incorrect preservative, out of temp, incorrect containers.
Page 5 of 11

ANALYTICAL ENVIRONMENTAL SERVICES, INC.
AES
September 22, 2022
Stephanie Knott
Pace Analytical
1377 South Park Dr
Kernsville NC 27284
RE: 92624978
Dear Stephanie Knott: Order No: 2209E26
Analytical Environmental Services, Inc. received 1 samples on 9/14/2022 9:56:00 AM
for the analyses presented in following report.
"No problems were encountered during the analyses except as noted in the Case Narrative or by qualifiers in
the report or QC Summary. Additionally, all results for the associated Quality Control samples were within
EPA and/or AES established limits.
AES' certifications are as follows:
-NELAP/Florida State Laboratory ID E87582 for analysis of Non -Potable Water, Solid & Chemical Materials,
Air & Emissions for Organics, and Drinking Water Microbiology & Metals, effective 07/01/22-06/30/23.
-North Carolina Certification number 562 for analysis of Surface Water, Groundwater, Effluent, effective until
12/31/22.
-South Carolina Environmental Laboratory Certification number 98016003 effective until 6/30/23.
These results relate only to the items tested as received. This report may only be reproduced in full and with
written permission from the laboratory.
If you have any questions regarding these test results, please feel free to call.
Sincerely,
Harts Bejdic
Project Manager
3080 Prev,;Lniial Atlanta, Georgia S0340 - Tel: [phone] - Fax: [phone] • Toll Fretie.800.972.4389
www.aesatlanta.com Page 6 of 11
Page 1 of 6

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Analytical Environmental Services, Inc
Date: 22-Sep-22
Client:
Pace Analytical
Client Sample ID:
DIGESTED SLUDGE
Project Name:
92624978
Collection Date:
9/12/2022 8:35:00 AM
Lab ID:
2209E26-001
Matrix:
Aqueous
Reporting
Dilution
Analyses
Result
Qual
Units BatchID
Date Analyzed Analyst
Limit
Factor
HERBICIDES, TCLP SW1311/8151A
(SW3510C)
2,4,5-TP (Silvex)
BRL
0.20
mg/L 343155
1
09/16/2022 21:15 TB
2,4-D
BRL
0.20
mg/L 343155
1
09/16/2022 21:15 TB
Surr: DCAA
68.4
48-120
%REC 343155
1
09/16/2022 21:15 TB
Qualifiers: a
value exceeds maximum contaminant level
BRL
Belowreporting limit
H
Holding times for preparation or analysis exceeded
N
Analyte not NELAC certified
B
Analyte detected in the associated method blank
>
Greater than Result value
E Estimated (value above quantitation range)
S Spike Recovery outside limits due to matrix
Nan Seecasenanative
F Analyzed in the lab which is a deviation from the method
< Less than Result value
J Estimated value detected below Reporting Limit
Page 8 of 11
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Page 11 of 11
Page 6 of 6

aceAnalytical
www.paeelabs.enm
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
October 10, 2022
Wilmer Lawson
OWASA
400 Jones Ferry Road
Carrboro, NC 27510
RE: Project: OWASA- RCI Samples
Pace Project No.: 92627601
Dear Wilmer Lawson:
Enclosed are the analytical results for sample(s) received by the laboratory on September 26, 2022. The results relate only
to the samples included in this report. Results reported herein conform to the applicable TNI/NELAC Standards and the
laboratory's Quality Manual, where applicable, unless otherwise noted in the body of the report.
Some analyses were subcontracted outside of the Pace Network. The test report from the external subcontractor is
attached to this report in its entirety.
The test results provided in this final report were generated by each of the following laboratories within the Pace Network:
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Stephanie Knott
[e-mail]
704-977-0981
Project Manager
Enclosures
cc: Jennifer Hunter
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 1 of 17

aceAnalytical
www.paeelabs.enm
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
SAMPLE SUMMARY
Project: OWASA- RCI Samples
Pace Project No.: 92627601
Lab ID
Sample ID
Matrix
Date Collected
Date Received
92627601001
92627601002
Digested Sludge
Rotary Press Cake
Solid
Solid
09/26/22 00:00
09/26/22 11:51
09/26/22 14:00
09/26/22 14:00
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 2 of 17

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DC#_Title; EW-FRIM-HUNI-0034 v0l_Tech S a
Upon Receipt Spec SampF Condition
......r-1— I E'2Ct've Ca:e: 05,1?.?'Y22
1-36aratory receivino samples:
Ash2villE! ❑ E'J�n ❑ E a n
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Cus ndy Seal Present? []y-2s Sa315 Intact?
❑ves Di,, Da.
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Person Contacted:
Project Managar SCURF Review:
Project Manager SRF Review:
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Page 1 of 2
Page 4 of 17

Document Name:
Bottle Identification Form
aceAnal ical Document No.:
F-CAR-CS-043-Rev.01
*Check mark top half of box if pH and/or dechlorination is
verified and within the acceptance range for preservation
samples.
Exceptions: VOA, Caliform, TOC, Oil and Grease, DRCl/8015 (water) DOC, LLHg
"Bottom half of box is to list number of bottles
Document Issued: November 15, 2021
BIF) Page 1 of 1
Issuing Authority;
Pace Carolinas quality Office
Project #
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pH Adjustment Log for Preserved Samples
Sample ID Type of Preservative pH upon receipt Date preservation adjusted Time preservation Amount of Preservative tat y
adjusted added
i
Nate: Whenever there is a discrepancy affecting North Carolina compliance samples, a copy of this form will be sent to the North Carolina DEHNR Certification Office (I.e.
out of hold, incorrect preservative, out of temp, incorrect containers.
Page 5 of 17

ANALYTICAL ENVIRONMENTAL SERVICES, INC.
AES
October 07, 2022
Stephanie Knott
Pace Analytical
1377 South Park Dr
Kernsville NC 27284
RE: 92627601
Dear Stephanie Knott: Order No: 2209S59
Analytical Environmental Services, Inc. received 2 samples on September 27, 2022 10:10 am
for the analyses presented in following report.
"No problems were encountered during the analyses except as noted in the Case Narrative or by qualifiers in
the report or QC Summary. Additionally, all results for the associated Quality Control samples were within
EPA and/or AES established limits.
AES' certifications are as follows:
-NELAP/Florida State Laboratory ID E87582 for analysis of Non -Potable Water, Solid & Chemical Materials,
Air & Emissions for Organics, and Drinking Water Microbiology & Metals, effective 07/01/22-06/30/23.
-North Carolina Certification number 562 for analysis of Surface Water, Groundwater, Effluent, effective until
12/31/22.
-South Carolina Environmental Laboratory Certification number 98016003 effective until 6/30/23.
These results relate only to the items tested as received. This report may only be reproduced in full and with
written permission from the laboratory.
If you have any questions regarding these test results, please feel free to call.
Sincerely,
Harts Bejdic
Project Manager
3080 Prev,;Lniial Atlanta, Georgia S0340 - Tel: [phone] - Fax: [phone] • Toll Fretie.800.972.4389
www.aesatlanta.com Page 6 of 17
Page 1 of 12

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Analytical Environmental Services, Inc
Date: 7-Oct-22
Client: Pace Analytical
Project: 92627601 Case Narrative
Lab ID: 2209559
Sample Receiving Nonconformance:
Samples for pH analysis by method SW9045D were received and analyzed outside Method -specified holding time of
"immediate or 15 minutes."
Page 8 of 17
Page 3 of 12

Analytical Environmental Services, Inc
Date: 7-Oct-22
Client:
Pace Analytical
Client Sample ID:
DIGESTED SLUDGE
Project Name:
92627601
Collection Date:
9/26/2022 12:01:00 PM
Lab ID:
2209559-001
Matrix:
Solid
Reporting
Dilution
Analyses
Result
Qual
Units BatchID
Date Analyzed Analyst
Limit
Factor
Sulfide, Reactive SW846-7.3
(SW7.3.4.2)
Sulfide, Reactive
278
100
mg/Kg 343833
1
09/28/2022 17:00 AD
Laboratory Hydrogen Ion (pH) SW9045D
(SW9045D)
pH
8.10
0.01 H
pH Units 344088
1
09/30/2022 14:30 AH
Ignitability / Flashpoint SW1010B
Ignitability
180
0 >
°F R497938
1
10/03/2022 00:00 GK
Cyanide, Reactive SW846-7.3
(SW7.3.3.2)
Cyanide, Reactive
BRL
1.00
mg Kg 344056
1
10/03/2022 13:30 AD
QualiYiers: a
Value exceeds maximum contaminant level
BRL
Belowreporting limit
H
Holding times for preparation or analysis exceeded
N
Analyte not NELAC certified
B
Analyte detected in the associated method blank
>
Greater than Result value
E Estimated (value above quantitation range)
S Spike Recovery outside limits due to matrix
Nan Seecasenanative
F Analyzed in the lab which is a deviation from the method
< Less than Result value
J Estimated value detected below Reporting Limit Page 9 of 17
Page 4 of 12

Analytical Environmental Services, Inc
Date: 7-Oct-22
Client:
Pace Analytical
Client Sample ID:
ROTARY PRESS CAKE
Project Name:
92627601
Collection Date:
9/26/2022 11:51:00 AM
Lab ID:
2209559-002
Matrix:
Solid
Reporting
Dilution
Analyses
Result
Qual
Units BatchID
Date Analyzed Analyst
Limit
Factor
Sulfide, Reactive SW846-7.3
(SW7.3.4.2)
Sulfide, Reactive
190
100
mg/Kg 343833
1
09/28/2022 17:00 AD
Laboratory Hydrogen Ion (pH) SW9045D
(SW9045D)
pH
7.96
0.01 H
pH Units 344088
1
09/30/2022 14:39 AH
Ignitability / Flashpoint SW1010B
Ignitability
180
0 >
of R497938
1
10/03/2022 00:00 GK
Cyanide, Reactive SW846-7.3
(SW7.3.3.2)
Cyanide, Reactive
BRL
1.00
mg/Kg 344056
1
10/03/2022 13:30 AD
QualiYiers: a
Value exceeds maximum contaminant level
BRL
Belowreporting limit
H
Holding times for preparation or analysis exceeded
N
Analyte not NELAC certified
B
Analyte detected in the associated method blank
>
Greater than Result value
E Estimated (value above quantitation range)
S Spike Recovery outside limits due to matrix
Nan Seecasenanative
F Analyzed in the lab which is a deviation from the method
< Less than Result value
J Estimated value detected below Reporting Limit
Page 10 of 17
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End of Report
Page 17 of 17
Page 12 of 12

3. Hazardous Waste Determination: Complete the following to demonstrate that the residuals are non -hazardous under
RCRA: (Note - this item does not have to be completed for facilities that are less than 0.5 MGD in design flow that treat
100% non -municipal, domestic wastewater only)
a. Are the residuals listed in 40 CFR §261.31-§261.33: 0 yes ® no.
If yes, list the number(s): _
b. Specify whether or not the residuals exhibit any of the characteristics defined by 40 CFR §261.21-
261.24: 0 yes 0 no.
Fill in the following tables with the results of the latest toxicity characteristic leaching procedure (TCLP) analysis as
well as those for corrosivity, ignitability, and reactivity:
Laboratory: Pace Analytical and Date of analysis: October 6, 2022
Passed corrosivity test: yes no. pH: s.u. (2 < pH < 12.5)
Passed ignitability test: yes no. Flashpoint: >180 OF (> 140°F)
Passed reactivity test: ®yes ao. HCN: <1.0 mg/kg (<250) & H2S: 278 mg/kg (<500)
TCLP Parameter
Limit
(m917)
Result
(m917)
TCLP Parameter
Limit
(m917)
Result
(m917)
Arsenic
5.0
< 0.30
Hexachlorobenzene
0.13
<0.050
Barium
100.0
<0.50
Hexachloro-1,3-Butadiene
0.5
<0.050
Benzene
0.5
<0.100
Hexachloroethane
3.0
<0.050
Cadmium
1.0
<0.10
Lead
5.0
<0.25
Carbon Tetrachloride
0.5
<0.100
Lindane
0.4
<0.0005
Chlordane
0.03
<0.003
Mercury
0.2
<0.0050
Chlorobenzene
100.0
<0.100
Methoxychlor
10.0
<1.000
Chloroform
6.0
<0.100
Methyl Ethyl Ketone
200.0
<0.200
Chromium
5.0
<0.10
Nitrobenzene
2.0
<0.050
m-Cresol
200.0
<0.050
Pentachlorophenol
100.0
<1.00
o-Cresol
200.0
<0.050
Pyridine
5.0
<0.050
p-Cresol
200.0
<0.050
Selenium
1.0
<0.40
Cresol
200.0
<0.050
Silver
5.0
<0.10
2,4-D
10.0
<0.20
Tetrachloroethylene
0.7
<0.100
1,4-Dichlorobenzene
7.5
<0.050
Toxaphene
0.5
<0.003
1,2-Dichloroethane
0.5
<0.100
Trichloroethylene
0.5
<0.100
1, 1 -Dichloroethylene
0.7
<0.100
2,4,5-Trichlorophenol
400.0
<40.0
2,4-Dinitrotoluene
0.13
<0.050
2,4,6-Trichlorophenol
2.0
<0.050
Endrin
0.02
<0.0005
2,4,5-TP (Silvex)
1.0
<0.20
Heptachlor and its Hydroxide
0.008
<0.0005
Vinyl Chloride
0.2
<0.100
FORM: RSC 06-16 Page 2 of 5

OWASA
LAND APPLICATION PROGRAM
BIOSOLIDS ANALYSIS
Residual Type: Wastewater Treatment Plant Biosolids
Date Sampled: July 18, 2022
Date Reported: August 8, 2022
Mason Farm WWTP Permit No. WQ0021828
Mineralization Rate 0.2 2.20 % Solids
Parameter
PAN (injected)*
PAN (surface)*
Ammonia Nitrogen
Calcium
Calcium Carbonate
Sodium
Sulfur
Nitrate N / Nitrite N
(Chloride
(Aluminum
Cadmium
Chromium
ISelenium
75.10 PH (rrom 7/14/LU ILLY)
%
Mg/Kg Dry Weight
(% x 10,000)
Pounds/Dry Ton
(Mg/Kg x 0.002)
8.140
81,400.000
162.800
4.450
44,500.000
89.000
0.718
7,180.000
14.360
5.748
57,478.150
114.956
3.178
31,778.150
63.556
5.140
51,400.000
102.800
1.750
17,500.000
35.000
---
4,860.000
9.720
---
5,680.000
11.360
---
78.150
0.156
44,000.00
4.550
1.090
163.00
12.000
0.018
2.270
10.00
4.550
750.00
88.000
0.002
0.326
0.024
0.020
1.500
Pace Analytical 92615356001
*Determination of Plant Available Nitrogen (PAN):
Injected Application:
(Mineralization Rate)(TKN-Ammonia N) + Ammonia N + Nitrate N + Nitrite N = % PAN
Surface Application:
(Mineralization Rate)(TKN-Ammonia N) + (0.5)(Ammonia N) + Nitrate N + Nitrite N = % PAN
Note: Constituents N.D. (Not Detected) or < detection limits are listed as detection limits
for calculation purposes.
SAR
1.45
Ceiling Concen.
(Mg/Kg)
75
85
4,300
840
57
75
420
t00
7,500 di