NC0026565_Pretreatment_Annual Report_20240304

COMMISSIONERS
Tresa Hatchett, Mayor Pro Tem
J.C. Parrish
Diana Brower
Joy Kearns
February 28, 2024
Ramseur
Where Family and Friends Meet
TOWN OF RAMSEUR
724 Liberty Street, PO Box 545
Ramseur, North Carolina 27316
336-824-8530
MAYOR
Hampton L. Spivey
Mr. Michael Montebello
NCDENR/DWQ/PERCs
1617 Mail Service Center
Raleigh, NC 27699-1617
RE: 2023 Town of Ramseur Pretreatment Annual Report, NCO026565
Dear Mr. Montebello,
TOWN CLERK / FINANCE OFFICER
Carol Akers
DEPUTY TOWN CLERK / FO
Debra Rhamy
Enclosed, please find two copies of the 2023 Pretreatment Annual Report for the Town of Ramseur, NC0026565.
I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in
accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted.
Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the
information, the information submitted 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.
Should you have any questions or require additional information, please do not hesitate to contact me at the phone number or
email listed below.
Regards,
Terry Lewallen
Wastewater Operator in Responsible Charge
[e-mail]
Cell [phone]

..s

Ramseur -
Where Family and Friends Meet
TOWN OF RAMSEUR
NPDES# NCO026565
Pretreatment Annual Report
2023
I. Narrative
II. Pretreatment Performance Summary (PPS)
III. Significant Non -Compliance Report (SNCR) and State Database Info
Sheet
IV. Industrial Data Summary Forms (IDSF), Matlab, Inc. IUP 0002
V. Town of Ramseur Wastewater Treatment Plant Allocation Table
VI. SIU Effluent Limits and Monitoring Requirements, Matlab, Inc. IUP
0002
Appendix A. PFAS/PFOS Monitoring IUP 0002
Appendix B. STMP Monitoring at the Wastewater Treatment Plant

7o�
Where Family and Friends Meet
1. Narrative and Program
Information Sheet

Ramseur
Where Family and Friends Meet
TOWN OF RAMSEUR
NPDES# NCO026565
2023 Pretreatment Annual Report Narrative
A. General NPDES Permit Information
➢ The Wastewater Treatment Plant continued to operate under the NPDES discharge
permit effective May 1, 2022.
➢ The permit contains a 3-year compliance schedule for copper. Monthly monitoring
indicates that the plant is already compliant with the limit.
B. General Program Information
➢ There were no new permits or permit applications in 2023.
➢ The single existing CIU remained permitted with the town.
➢ STMP monitoring was conducted in March of 2023.
➢ No wastewater treatment plant NPDES non-compliance events due to industrial users
occurred in 2023.
C. Industrial User and Compliance Information: Matlab, Inc. (IUP # 0002)
➢ This CIU performed all flow sampling and reporting as required.
➢ The CIU was inspected once and sampled twice by the POTW. The POTW monitoring
of the industry in June and December included STMP parameters for the HWA. Data
for routine and these additional parameters are summarized in the IDSF. Additionally,
the POTW monitored the industry for PFAS/PFOS compounds, and the data are
included in a summary table in Appendix A of this report.
➢ The CIU provided the permit required/allowed certifications for the alternative to
monitoring for Cyanide, Silver and TTO testing.
➢ The CIU remained compliant with its IUP throughout 2023.
Town of Ramseur, NCO026565 PAR Narrative 2023

Pretreatment Program Info Database
printed on: 12/22/2023
for Program Name Ramseur
WWTP Name Town of Ramseur
Program Approval Date
12/01/2015
Pretreatment Status
Modified
Region
WSRO
County
Randolph
NPDES Number
Stream Information IWC % at 7Q10 6.33
7Q10 Flow cfs / mgd 11 / 7.11
1 Q10 Flow cfs / mgd 9.12 / 5.89
Stream Classification C
Basin Number CPF09
Receiving Stream Name DEEP RIVER
NC0026565
NPDES Effective Date
Last PAR Rca 03/01/2023
PAR Due Date03/01/2024
mercury
09/01/2016
1631
NPDES Expire Date
P 04/30/2021
Current Fiscal 09/10/2021
required
Year PCI Done
es
POTW is Primary WWTP TRUE
Last Audit on 02/04/2020
Audit Year Next19/20
Design Flow mgd 0.4800 % Design mgd is SIU permitted 5.21
Permitted SIU flow (mgd) [Pt SIU) .025
WWTP SIU's 1 Program SIUs 1
WWTP CIU's 1 Program CIUsH
HWA LTMP
IWS SUO
ERP
date Inactive Date Next Due
05/15/2022
Date Received by DWR
12/20/2017 05/09/2022
04/01/2021 09/22/2015
07/26/2021
Date Approved
02/08/2018 06/02/2022
05/05/2021 10/02/2015
10/05/2021
Adopt Date Required
Date Adopted
10/12/2015
Info in this Box from Pt Contacts
PT —Pro
Date Date Date
Attended Attended Attended
' ""�"�•""� y.17,1IfIm; r #W11W UAL ran nvvm YYR,FI IUF' VVKSp F'HK
Mr. Terry Lewallen 1 11(336) 824-3939
1 1(336) 824-6624
[e-mail] I
Supervisor, WWTP
JPO Box 545
7316
-hits.-�Askie-Gaudla Prim 11,3364G24WO
[e-mail] I
Mayor
1PO Box 1366
7316
Mr: �lira� Mclntost�- 336-312-3454
4.1
b+gmae44352Ce yahco.-oom
ssioaes��ui AAayor-Pro ay -or -Pro. -Tern
Pfl Box 545--
73-1Fr
Ms. Lisa Osthues Prim 910-990-0329
1 1 1110/29/2013 09/27/2011 02/05/2012
[e-mail] I
Pretreatment Consultant
1168 Nathan Dudley Road
8328
The Mayor is now Hampton L. Spivey and the phone number is 336-824-8530.
Mr. McIntosh is no longer with the Town of Ramseur.
Pretreatment Related NOVs from DWQ _
7-21-1989
7/5/89 inspection - jul-dec 1988 SAR not done, problems
7-16-1990
7/12/90 inspection - failure to sample, take enforcement,
2-8-1993
2/1/93 inspection, did meet earlier dates on ERP and
10/5/2000
NOD -late SAR (WSRO)
DWR Central Office Contact JPretreatment Staff
DWR Regional Contact Pim Gonsiewski
Jim Gonsiewski has retired

IZ 4P= I Isl
Where Family and Friends 1114lept
II. Pretreatment
Performance Summary

Town of Ramseur PPS 2023
Chapter 9, PAR Guidance
Pretreatment Performance Summary (PPS)
1.
Pretreatment Town Name: Town of Ramseur
2.
"Primary" NPDES Number NC00 26565
or Non -Discharge Permit # if applicable =>
3.
PAR Begin Date, please enter 01/01/yyyy
3. =>
01/01/2023
4.
PAR End Date, please enter 12/31/yyyy
4. =>
12/31/2023
5.
Total number of SIUs, includes CIUs
5. =>
1
6.
Number of CIUs
6. =>
1
7.
Number of SIUs with no IUP, or with an expired IUP
7. =>
0
8.
Number of SIUs not inspected by POTW
8. =>
0
9.
Number of SIUs not sampled by POTW
9. =>
0
10.
Number of SIUs in SNC due to [UP Limit violations
10. =>
0
11.
Number of SIUs in SNC due to Reporting violations
11. =>
0
12.
Number of SIUs in SNC due to violation of a Compliance Schedule, CO, AO or similar
12. =>
0
13.
Number of CIUs in SNC
13. =>
0
14.
Number of SIUs included in Public Notice
14. =>
0
15
Total number of SIUs on a compliance schedule, CO, AO or similar
15. =>
0
16.
Number of NOVs, NNCs or similar assesed to SIUs *
16. =>
0
17.
Number of Civil Penalties assessed to SIUs
17. =>
0
18.
Number of Criminal Penalties assessed to SIUs
18. =>
0
19.
Total Amount of Civil Penalties Collected* * 19. =>
$
0
20.
Number of IUs from which penalties collected
20. =>
0
Votes:
AO Administrative Order ]UP Industrial User Pretreatment Permit POTW
CIU Categorical Industrial User NNC Notice of Non -Compliance SIU
Publicly Owned Treatment Works
Significant Industrial User
CO Consent Order NOV Notice of Violation SNC
Significant
Non -Compliance
IU Industrial User PAR Pretreatment Annual Report
revised 1/2018: PAR PPS 2023

I11. Significant Non -
Compliance Report

Pretreatment Annual Report (PAR)
Significant Non -Compliance Report (SNCR)
WWTP = Wastewater Treatment Plant, use separate form for each WWTP.
SIU = Significant Industrial User
SNC = Significant Non -Compliance
PAR covers this calendar year =>
Control Authority=Program=Town Name =>
A SNCR Form must be submitted with every PAR, please write "None " if you had No SIUs in SNC during calendar year
WWTP Name =>
NPDES # _>
[UP
a
Pipe
#
Industry Name
Parameter
or "Reporting"
SNC? ( Yes 1 No )
for each 6-month period.
Jan. - June
July - Dec.
0002
001
Matlab, Inc.
None
No
No
Attach a copy of the Division's "SIUs in SNC Historical Report" for your POTW's SIUs behind this page.
Is the database correct ? Notify the Division of any errors ! Database indicates SNC history for previous years.
EVERY SNC MUST be explained in the Narrative, How was, is, or will it be resolved?
REPEAT SNCs are serious matters that MUST be explained in the Narrative.
PAP,SNCR, Ramseur 2023
2023
Town of Ramseur
Rameur WWTP
NCO026565

1't
a�C
Where Family and Friends Meet
IV. Industrial Data Summary
Form

Pretreatment Annual Report (PAR)
Control Authority,
Industrial Data Summary Form (IDSF)
Tow
Town Name => Town of Ramseur
Use separate forms for each industry/pipe
WWTP Name => Town of Ramseur WWTP
Enter BDL values as < (value)
NPDES # _> NCO026565
AVERAGES CALCULATED USING ALL INDUSTRY AND POTW
1st 6 months, dates => 1/1/2023 6/30/2023
VALUES.
2nd 6 months, dates => 7/1/2023 12/31/2023
Total # of samples ==
Maximum (conc. or MGD) _=
or Maximum (lb/d) _=
Average (conc. or MGD) _=
or Average Loading (lb/d) _=
# Violations / # TRC ==
% violations,(chronic SNC is >= 66%) _=
% TRC violations, (SNC is >= 33 %)
Total # of samples =,
' Maximum (conc. or MGD)
' or Maximum (lb/d)
Average (conc. or MGD)
t or Average Loading (lb/d) _=
# Violations / # TRC ==
% violations,(chronic SNC is >= 66%)
% TRC violations, (SNC is >= 33 %) _=
Total # of samples =,
• Maximum (conc. or MGD) _=
• or Maximum (lb/d) _=
• Average (conc. or MGD) _=
• or Average Loading (lb/d) _=
# Violations / # TRC ==
% violations,(chronic SNC is > 66%) _=
% TRC violations, (SNC is >= 33 %) _=
Industry
Name Matlab, Inc.
IUP # 0002
Pipe # 001
Flow, Monthly Avg,
MGD
TSS, Daily Max, mg/L
Oil & Grease, mg/L
Cadmium, mg/L
Ist 6 months
2nd 6 months
Ist 6 months
2nd 6 months
Ist 6 months
2nd 6 months
1st 6 months
2nd 6 months
6
6
1
1
1
1
1
1
0.014
0.013
10
7
5
<5
<0.0005
<0.0005
0.011
0.012
10
7
<5
<5
<0.0005
<0.0005
0
0
0/0
0/0
0/0
0/0
0/0
0/0
0%
0%
00/0
0%
0%
0%
0%
0%
0%
0%
00/0
0%
0%
0°%
0°/
0%
Chromium, mg/L
Copper, mg/L
Cyanide, mg/L
Lead, mg/L
I st 6 months
2nd 6 months
1 st 6 months
2nd 6 months
I st 6 months 2nd 6 months
1st 6 months
2nd 6 months
1
1
1
1
1 1
l
1
<0.005
<0.005
0.005
0.005
0.016 0.014
1 <0.002
<0.002
<0.005
<0.005
0.005
0.005
0.016 0.014
<0.002
<0.002
0
0
0/0
0/0
0 0/0
0/0
0/0
0%
0%
0%
0%
0% 0%
00/0
0%
0%
0%
0%
0%
00/0 1 0%
0%
0%
Mercury LL, ng/L
Nickel, mg/L
Silver, mg/L
TTO, mg/L or certification
Ist 6 months
2nd 6 months
1st 6 months
2nd 6 months
I st 6 months
2nd 6 months
1st 6 months
2nd 6 months
1
1
1
1
1
1
<1
<1
<0.005
<0.005
<0.00025
<0.00025
cert.
cert.
<1
<t
<0.005
<0.005
<0.00025
<0.00025
cert.
cert.
0/0
0/0
0/0
0/0
0/0
0/0
0/0
0/0
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
riDL => Below Detection Limit mg/I => milligrams per liter
poTW must enter at least one of these IUP => Industrial User Permit Wit => pounds per day • POTW must enter at lea
four rows, Please indicate how averages were calculated SNC => Significant Non -Compliance mgd => million gallons per day four rows, Please indicate hr
Avg period could be month, Qtr. or 6-month Br. if BDL , 1/2BDL, or zero values used. TRC => Technical Review Criteria WWTP => wastewater treatment plant Avg period could be month,
IDSF [UP 0002 Matlab 2023

Total # of samples =>
Maximum (conc., SU, or °C) _=
or Maximum (lb/d) _>
Average (conc. or °C)
or Average Loading (lb/d)
# Violations / # TRC =%
% violations,(chronic SNC is >= 66%)
% TRC violations, (SNC is >= 33 %)
Total # of samples =>
Maximum (conc. or MGD) _>
or Maximum (lb/d) _>
Average (concentration) _>
or Average Loading (Ib/d) _>
# Violations / # TRC =>
% violations,(chronic SNC is >= 66%) _>
% TRC violations, (SNC is >= 33 %) =>
Total # of samples =>
Maximum (conc. or MGD) =>
or Maximum (lb/d) =>
Average (concentration) =>
or Average Loading (lb/d) =>
# Violations / # TRC =>
% violations,(chronic SNC is >= 66%) =>
% TRC violations, (SNC is — 33 %) =>
Pretreatment Annual Report (PAR)
Industrial Data Summary Form (IDSF)
Use separate forms for each industry/pipe
Enter BDL values as < (value)
Industry Name Matlab, Inc.
IUP # 0002
Pipe # 001
Zinc, mg/L
pH, S.U.
Temp, °C
BOD (for STMP), mg/L
1 st 6 months
2nd 6 months
1 st 6 months
2nd 6 months
1 st 6 months
2nd 6 months
1 st 6 months
2nd 6 months
1
1
1
1
1
1
1
1
0.083
0.159
Max=7.0
Max--6.6
24
28
8.8
13
Min=7.0
Min=6.6
0.083
0.159
24
28
8.8
13
0/0
0/0
0
0
0/0
0/0
NA
NA
0%
0%
0%
0%
0%
0%
NA
NA
0%
0%
N/A
N/A
0%
0%
1 NA
NA
Ammonia (for STMP), m
1,4 Dioxane (for STMP), ug/L
PFX
Selenium (for STMP), mg/L
1 st 6 months
2nd 6 months
1 st 6 months
2nd 6 months
1 st 6 months
2nd 6 months
1
1
1
1
See Appendix A for PFAS/PFOS
Monitoring for the first and
second halves of 2023
1
1
0.74
1.01
<0.002
<0.001
<0.001
<0.001
0.74
1.01
<0.002
<0.001
<0.001
<0.001
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
IW
AL—
BDL mg/I => milligrams per Titer
st one of these IUP => Industrial User Permit Ib/d => pounds per day
tw averages were calculated SNC => Significant Non -Compliance mgd => million gallons per day
Qtr. or 6-month do if BDL , I/'t_BDL, or zero values used. TRC => Technical Review Criteria WArTP => wastewater treatment plant
IDSF [UP 0002 Matlab 2023

'rg
Fza sr
V. Allocation Table

aoTw==
nvoesr=:
IUP
Count
2
3
4
5
6
7
8
9
10
Workbook Name: Ramseur_HWA_AT, Worksheet Name: AT
Allocation Table
Headworks last approved 02/08/18
Allocation Table updated:1 07/30/21
Permits last modified: 07/30/21
Town of Ramseur
NCO026565
INDUSTRY NAMES
(P—im,.1ph—;-y)
Industry
Permit Pipe
number number
Type
of
Industry
Renewal
Effective
Date
Modification
Effective
Date
Date
Permit
Expires
FLOW
Permit Limits
MGD gal/day
BOD TSS
Permit Limits Permit Limits
Cone. Load Cone. Load
m I lbs/day mry9 lbs/day
atlab
0002
001
433
07/30/21
12/31/25
00250
25,000
�1unnor
Column Totals =>
U 02150
15,0001
1 0
0
Basis=> NPDES Design Design
MAHL from HWA (lbs/day) => NPDES Permitted Flow=> 0.4800 801 701
Uncontrollable Loading (lbs/day) => 0.1120 199 154
Total Allowable for Industry (MAIL) (lbs/day) => 0.3680 602 546
Total Permitted to Industry (lbs/day) => 0.0250 0 0
MAIL left (lbs/day) _> 0.3430 602 546
Percent Allow. Ind. (MAIL) still available (%) _> 93.2 % 100.0 % 100.0 %
Percent MAHL still available (%) _> 71.5 % 75.2 % 78.0
5 Percent MAHL (lbs/dav) =>
Ramseur Headworks AT Approed 2018 Updated 073021

Pony—
NPUES
IUP
Count
1
2
3
4
5
6
7
8
9
10
Workbook Name: Ramseur_HWA_AT, Worksheet Name: AT
Allocation Table
Headworkslast approved :1 02/08/18
Allocation Table updated 07/30/21
Permits last modified 07/30/21
Town of Ramseur
NCO026565
Ammonia Arsenic Cadmium Chromium Copper Cyanide
Industry Permit Limits Permit Limits Permit Limits Permit Limits Permit Limits Permit Limits
INDUSTRY NAMES Permit Pipe Fm
one. Load Cone. Load Cone. Load Cone. Load Cone. Load Cone. Load
•r �aaN.w+arl number number Ibs/da mizA lbs/day m lbs/day m I lbs/day m I lbs/day mign Ibs/da
atlab
0002
001
0.0700
0.0146
O.5000
0.1043
2.07
0.4316
010001
0.0209
Column Totals=>
0
0.0000
0.0146
0.1043
0.4316
0.0209
Basis=>
MAHL from HWA (lbs/day) =>
Uncontrollable Loading (lbs/day) =>
Total Allowable for Industry (MAIL) (lbs/day) =>
Total Permitted to Industry (lbs/day) =>
MAIL left (lbs/day) =>
Percent Allow. Ind. (MAIL) still available
Percent MAHL still available
MAHL (Ibs/dav) =>
Ramseur Headworks AT Approed 2018 Updated 073021
Sludge Sludge
Ceiling Ceiling AS/Nb7F ASINUTF
HASL Stream SId HASL inhibition inhibition

Potw->
NPM500—
IUP
Count
1
2
3
4
5
6
7
8
9
10
Workbook Name: Ramseur_HWA_AT, Worksheet Name: AT
Allocation Table
Headworks last approved: 02/08/18
Allocation Table updated. 07/30/21
Permits last modified: 07/30/21
Town of Ramseur
NCO026565
d Mercury Molybdenum Nickel Selenium Silver
Industry Limits Permit Limits Permit Limits Permit Limits Permit Limits Permit Limits
FPennit
INDUSTRY NAMES Permit Pipe Load Conc. Load Conc. Load Conc. Load Conc. Load Cone. Load
number numberIbs/da m l lbs/day m I lbs/day_ m 1l lbs/day m l lbs/day m lbs/day
atlab
0002
001
0200CJ
0.0417
Monitor
I o0oo
0.2085
02400
00500
Column Totals =>
0 041 7
1 0.000000
1 0.0000
0.2085
0.0000
0.0500
Basis=>
MAHL from HWA (lbs/day) =>
Uncontrollable Loading (lbs/day) =>
Total Allowable for Industry (MAIL) (lbs/day) =>
Total Permitted to Industry (lbs/day) =>
MAIL left (lbs/day) =>
Percent Allow. Ind. (MAIL.) still available
Percent MARL still available
i P— h,1AMT 1lha/d-1=>
Ramseur Headworks AT Approed 2018 Updated 073021
AS/Nit/TF
inhibition Stream Std Not a POC
1 99.9 %1
ASIN IVTF ASINAVTF
inhibition Not A POC inhibition

MTW-.
NPDESR
IUP
Count
1
2
3
4
5
6
7
8
9
10
Workbook Name: Ramseur_HWA_AT, Worksheet Name: AT
Allocation Table
Headworks last approved. 02/08/18
Allocation Table updated 07/30/21
Permits last modified 07/30/21
Town of Ramseur
NC0026565
Zinc Total Nitrogen Total Phos. TTO Oil/Grease
Industry Permit Limits Permit Limits Permit Limits Permit Limits Permit Limits
INDUSTRY NAMES Permit Pipe Cone. Load Cone. Load Cone. Load Cone. Load Cone. Load
(p..esn.ga.b :*) number number m Load
WA Ibs/da m I lbs/day mRA Ibs/da m 1 lbs/day
atlab
0002
001
1.480
0.3086
1
2.1300
0.4441
Monitor
Column Totals =>
3086
0.00
0.001
0.4441
0.0000
AS/NVTF
Basis=>
inlri6i8on
MAHL from HWA (lbs/day) _>
1.025E
Uncontrollable Loading (lbs/day) _>
0.0955
Total Allowable for Industry (MAIL) (lbs/day) _>
0.9295
Total Permitted to Industry (lbs/day) _>
0308E
MAIL left (lbs/day) _>
0.6213
Percent Allow. Ind. (MAIL) still available (%) _>
66.8
Percent MARL still available (%) _>
60.6
5 Percent MAHL flbs/davl =>
Ramseur Headworks AT Approed 2018 Updated 073021

Where Family and Friends Meet
VI.EL&MR

MATLAB; Town of Ramseur IUP #0002 Effluent Limits and Monitoring Requirements Page Corrected February 28, 2023 I
IUP, Part 1 Section F:
Effluent Limits and Monitoring Requirements
The Permittee may discharge from this specific
Pipe number according to these specific dates,
effluent limits, and monitoring requirements
Receiving POTW name =>
Ramseur POTW IU name =>
Receiving POTW NPDES # _>
NC0026565 IUP # _>
Effective date for these Limits =>
July 30, 2021 Pipe # _>
Expiration date for these Limits =>
December 31, 2025 40 CFR # _>
THE LIMITS ON THIS PAGE ARE, (Check one below):
LIMITS for ENTIRE permit period => X
INTERIM Limits for period # 1 =>
INTERIM Limits for period # 2 =>
FINAL Limits Page =>
MATLAB, Inc.
0002
001
433
if not applicable put N/A
Concentration Limits
Mass Limits
Monitorin
Fre uenc
Daily Max
Monthly
Average
Units
Daily Max
Monthly
Average
Units
By Industry
B POTW
Sample
Collection
Method
C or G
Required
Laboratory
Detection
Level
1
Flow
0.025
MGD
Daily'
Each Sample
Estimated
2
TSS
Monitor
m
1/6 Months
C
2.0 m
3
Hydrocarbon Oil
& Grease
Monitor
m
1/6 Months
G
5.0 m
4
Temperature
400C
°C
1/6 Months
G5
1 °C
5
pH
6.0 to 10.0
S.U.
1/6 Months
G
1 to 14 S.U.
OTHER PARAMETERS; Please List Al habeticall
6
Cadmium
0.070
m
1/6 Months C
0.002 m
7
Chromium
0.500
m
1/6 Months C
0.005 m
8
Copper
2.070
m
1/6 Months C
0.002 m
9
Cyanide 2
0.100
m
1/6 Months C
0.005 m
10
Lead
0.200
m
1/6 Months C
0.010 m
11
Mercury'
Monitor
m
1/6 Months C
5 n
12
Nickel
1.000
m
1/6 Months C
0.010 m
13
Silver'
0.240
m
1/6 Months C
0.002 m
14
TT04
2.13
m
C
15
Zinc
1.480
m
1/6 Months C
0.010 m /L
` See Part III 4. for description of method of flow determination.
' See Part III 7.
3 Mercury analysis shall be performed in accordance with Method EPA 1631 E.
4 See Part II18, 9 and 10.
'Temperature and pH may be performed as grab samples with a 15-minute hold time or as in situ measurements taken directly in the wastestream flow.
NOTE: This page was corrected 2/28/23 to add frequency of POTW monitoring for all parameters. This was inadvertently missed in the original version of the EL&MR. No other
changes were made to the IUP.
7

3� 2
14,
s a u r
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Appendix A: PFAS/PFOS
Monitoring IUP 0002

Appendix A
MATLAB PFAS/PFOS MONTORING 2023
Sample Date 6/22123 Sample Date 12/21/23
Compound
CAS
Industrial Dischar e n /L
Industrial Dischar e n /L
Acids
PFBA
375-22-4
<LOD (0.228) U
<MDL (0.18)
P F PeA
2706-90-3
1.20
1.7
PFHxA
307-24-4
0.87
1.8
PFHpA
375-85-9
0.89
1.3
PFOA
335-67-1
1.83
2.6
PFNA
375-95-1
0.341 J
0.59
PFDA
335-76-2
<LOD (0.164) U
0.29
PFUnDA
2058-94-8
<LOD (0.130) U
<MDL (0.14) U
PFDoDA
307-55-1
<LOD (0.234) U
<MDL (0.098) U
PFTrDA
72629-94-8
<LOD (0.190) U
<MDL (0.18) U
PFTeDA
376-06-7
<LOD (0.219) U
<MDL (0.17) U
Sulfonates
PFBS
375-73-5
0.435 J
0.9
PFPeS
2706-91-4
<LOD (0.118) U
<MDL (0.055) U
PFHxS
355-46-4
<LOD (0.444) U
0.46
PFHpS
375-92-8
<LOD (0.278) U
<MDL (0.045) U
PFOS
1763-23-1
1.98
2.4
PFNS
68259-12-1
<LOD (0.178) U
<MDL (0.11) U
PFDS
335-77-3
<LOD (0.302) U
<MDL (0.13) U
4:2 FTS
757124-72-4
<LOD (0.289) U
<MDL (0.25) U
6:2 FTS
27619-97-2
<LOD (0.0746) U
<MDL (0.27) U
8:2 FTS
39108-34-4
<LOD (0.271) U
<MDL (0.072) U
Sulfonamidos
N-EtFOSA
4151-50-2
<LOD (0.356) U
<MDL (0.36) U
N-EtFOSAA
2991-50-6
<LOD (0.234) U
<MDL (0.1) U
N-ETOSE
1691-99-2
<LOD (0.880) U
<MDL (0.92) U
N-McFOSA
31506-32-8
<LOD (0.237) U
<MDL (0.41) U
N-McFOSAA
2355-31-9
<LOD (0.161) U
<MDL (0.092) U
N-McFOSE
24448-09-7
<LOD (0.546) U
<MDL (0.88) U
PFOSA
754-91-6
<LOD (0.0807) U
<MDL (0.091) U
PFECAs
ADONA
919005-14-4
<LOD (0.156) U
<MDL (0.11) U
HFPO-DA
13252-t3-6
<LOD (0.0609) U
<MDL (0.15) U
NFDHA
151772-58-6
<LOD (0.121) U
<MDL (0.26) U
PFMOBA
863090-89-5
<LOD (0.965) U
<MDL (0.079) U
PFMOPrA
377-73-1
<LOD (0.205) U
<MDL (0.047) U
PFESAs
11C1-PF3OUdS
763051-92-9
<LOD (0.271) U
<MDL (0.18) U
9CI-PF30NS
756426-58-1
<LOD (0.368) U
<MDL (0.18) U
PFEESA
113507-82-7
<LOD (0,173) U
<MDL (0.095) U
FTCAs
3:3 FTCA
356-02-5
<LOD (3.59) U
<MDL (0.5) U
5:3 FTCA
914637-49-3
<LOD (0.278) U
<MDL (0.39) U
7:3 FTCA
812-70-4
<LOD (0,185) U
<MDL (0.48) U
Qualifiers
J -The analyte has a concentration below the minimum calibration level (LOQ
value) but greater than the LOD. These values should be considered as having
measurement uncertainty higher than values within the calibration range
U -The analyte was not detected.

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Appendix B: STMP
MONITORING AT
WWTP

"TA JO ,"91VA
Town of Ramseur
Summary of Short Term Monitoring 2023
Sample Month: March
BOD5
NH3-N
Total Nitrogen
TSS
TKN
Phosphorus
Cd
Cr
Ni
1,4 dioxane
2023
mg/L
mg/L
mg/L
rri
mg/L
ni
ni
mg/L
mg/L
mg/L
Influent
--TEffluent
177
32 9
48 3
121
48.2
6.32
<
0.005
0.005
0.007
<
0.002
3
5.76
14.5
3.3
7.9
3.77
<
0.005
<
0.005
<
0.005
<
0.002
PQL in STMP
2
0.1
NS
2.5
NS
NS
0.0005
0 005
0.005
0.001
Pb
Cu
Zn
CN-
Hardness
Hg
As
Se
j Ag
mg/L
mg/L
mg/L
mg/L
mglL
ni
nri
mg/L
mg/L
Influent
<
0.002
0.031
0.080
<
0.005
NT
<
0.0002
<
0.002
<
0.001
<
0.00025
Effluent
<
0.002
0.052
0 036
<
0.005
65
<
0.000001
<
0.002
<
0 001
<
0.00025
PQL in STMP
0.002
0.002
001
0.005
0.1
0.0002 mg/L /
1 ng/L
0.002
0.005
0.001
NT = Not Tested
NS = No detection limit set for plan
PQL not met by contract lab.
STMP Summary 2023