WQ0034367_Monitoring - 11-2021_20211216

Monitoring Report Submittal
Permit Number #* WQ0034367
Name of Facility:* Onslow Water and Sewer Authority - Northwest Regional Water Reclamation Facility
Month: * November Year: * 2021
Report Information
Type* Upload Document*
GW-59 Northwest Monthly Reports 9.62MB
November 2021 GW 59.pdf
PDF Only
Please upload one PDF containing all applicable monitoring reports
(i.e., NDMR, NDAR-1, NDAR-2, NDMLR, GW-59).
Confirmation Email Address: * [e-mail]
Name of Submitter: * Sherry A Jones
Signature:
Date of submittal: 12/16/2021
This will be filled in automatically
Initial Review
Reviewer: Zhong, Vivien

Is the project number correct?* WQ0034367
Is the monitoring report accepted?* - Yes NO
Regional Office* Wilmington
Accepted Date: 12/22/2021

SUBMIT FORM ON YELLOW PAPER ONLY
GROUNDWATER QUALITY MONITORING:
DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES
COMPLIANCE REPORT FORM
DIVISION OF WATER RESOURCES - INFORMATION PROCESSING UNIT
1617 MAIL SERVICE CENTER, RALEIGH, NC 27699-1617 Phone: [phone]
FACILITY INFORMATION Please Print Clearly or Type
PERMIT Number: Expiration Date: 30-Jun-2022
Facility Name: Northwest Regional Water Reclamation Facility
Non -Discharge WQ0034367 UIC
Permit Name (if different): Onslow Water and Sewer Authority
NPDES Other
Facility Address: 189 Mills Field Road
TYPE OF PERMITTED OPERATION BEING MONITORED
❑ Lagoon ❑ Remediation: Infiltration Gallery
Richlands NC 28574 County Onslow
❑ Spray Field ❑ Remediation:
Contact Person: Mark Young
Telephone#: [phone]
❑ Rotary Distributor ❑ Land Application of Sludge
Well Location/Site Name Eastside Basin A
No. of wells to be sampled: 4
❑ Water Source Heat Pump ■ Other: High Rate Infiltration
from Permit
SAMPLING INFORMATION
If WELL
WELL ID NUMBER (from Permit): MW-1
Date sample collected: 11/9/2021
FIELD ANALYSES:
WAS
Well Depth: 22.5 ft.
Well Diameter: 3 in.
pH 00400: 6.9 units Temp. 000ic 20.8 °C
DRY at
Depth to Water Level 82546: 11 ft. below measuring point
Screened Interval: 7 ft. to
22.5 ft. Spec. Cond. 00094: µMhos
time of
Measuring Point is 3' ft. above land surface
Relative M.P. Elevation: ft.
Odor 00085: None
sampling,
Volume of water pumped/bailed before sampling: 5
gallons
Appearance Cloudy
check
here:❑
Samples for metals were collected unfiltered: ❑ YES ❑
NO and field acidified: ❑ YES ❑ NO
LABORATORY INFORMATION
Date sample analyzed: 11/9/2021 - 11/12/2021
Laboratory Name: ONWASA Laboratory / Envirochem Certification No. 539 / 94
PARAMETERS NOTE: Values should reflect dissolved and colloidal concentrations.
COD 00335 mg/L
Nitrite (NO2) as N 00615
mg/L Pb - Lead 01051 ug/L
Coliform: MF Fecal 31616 <2.00 /100mL
Nitrate (NO3) as N 00620 <0.250
mg/L Zn - Zinc 01092 mg/L
Coliform: MF Total 31504 /100mL
is: Total as P 00665 3.93
mg/L
(Note: Use MPN method for highly turbid samples)
Orthophosphate 70507
mg/L Other (Specify Compounds and Concentration Units):
issolved Solids:Total 70300 376 mg/L
Al - Aluminum 01105
mg/L
pH (Lab) 00403 6.91 units
Ba - Barium 01007
ug/L
TOC 00680 6.94 mg/L
Ca - Calcium oo916
mg/L
Chloride 00940 27.5 mg/L
Cd - Cadmium 01027
ug/L
Arsenic 01002 ug/L
Chromium: Total 01034
ug/L
Grease and Oils 00552 mg/L
Cu - Copper 01042
mg/L ORGANICS: (by GC, GC/MS, HPLC)
Phenol 32730 ug/L
Fe - Iron 01045
ug/L (Specify test and method #. ATTACH LAB REPORT.)
Sulfate 00945 mg/L
Hg - Mercury 71900
ug/L Lab Report Attached? ■ Yes (1) ❑ No (0)
Specific Conductance 00095 µMhos
K - Potassium 00937
mg/L VOC 7873 method # SM 6200C
Total Ammonia 00610 <0.500 mg/L
Mg - Magnesium 00927
m /L
g method #
(Ammonia Nitrogen; NH3 as N; Ammonia Nitrogen, Total)
Mn -Manganese 01055
ug/L ,method #
TKN as N 00625 mg/L
Ni - Nickel 01067
ug/L method #
ror memeotauon aysiems only (Attach Lab Reports): Intluent Total VOCs: mg/L Effluent Total VOCs: mg/L VOC Removal%
Dave Mohr, Chief Operations Officer
Permrttee (or Authorized Aqent) Name and Title - Please print or tvne nature of Permittee (or
GW-59 Rev.8/2013

SUBMIT FORM ON YELLOW PAPER ONLY
GROUNDWATER QUALITY MONITORING:
• .
DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES
DIVISION OF WATER RESOURCES - INFORMATION PROCESSING UNIT
COMPLIANCE REPORT FORM
• • •
•
1617 MAIL SERVICE CENTER, RALEIGH, NC 27699-1617 Phone: [phone]
FACILITY INFORMATION Please Print Clearly or Type
PERMIT Number: Expiration Date: 30-Jun-2022
Facility Name: Northwest Regional Water Reclamation Facility
Non -Discharge WQ0034367 UIC
NPDES Other
Permit Name (if different): Onslow Water and Sewer Authority
Facility Address: 189 Mills Field Road
TYPE OF PERMITTED OPERATION BEING MONITORED
Richlands NC 28574 County Onslow
❑ Lagoon ❑ Remediation: Infiltration Gallery
❑ Spray Field ❑ Remediation:
Contact Person: Mark Young
Telephone#: [phone]
❑ Rotary Distributor ❑ Land Application of Sludge
Well Location/Site Name West / Basin A
No. of wells to be sampled: 4
❑ Water Source Heat Pump ■ Other: High Rate Infiltration
from Permit
SAMPLING INFORMATION
If WELL
WELL ID NUMBER (from Permit): MW-2
Date sample collected: 11/9/2021
FIELD ANALYSES:
WAS
Well Depth: 22.5 ft.
Well Diameter: 3 in.
pH 00400: 7.1 units Temp. 000lc 20.8 °C
DRY at
Depth to Water Level 82546: 9.5 ft. below measuring point
Screened Interval: 7.4 ft. to
22.4
ft. Spec. Cond. 00094: µMhos
time of
Measuring Point is 3' ft. above land surface
Relative M.P. Elevation: ft.
Odor 000ss: None
sampling,
Volume of water pumped/bailed before sampling: 5
gallons
Appearance Cloudy
check
here:❑
Samples for metals were collected unfiltered: ❑ YES ❑ NO and field acidified: ❑ YES ❑ NO
LABORATORY INFORMATION
Date sample analyzed: 11/9/2021 - 11/12/2021
Laboratory Name: ONWASA Laboratory / Envirochem Certification No. 539 / 94
PARAMETERS NOTE: Values should reflect dissolved and colloidal concentrations.
COD 00335 mg/L
Nitrite (NO2) as N 00615
mg/L Pb - Lead o1o51 ug/L
Coliform: MF Fecal 31616 <5.00 /100mL
Nitrate (NO3) as N 00620 0.25
mg/L Zn - Zinc 01092 mg/L
Coliform: MF Total 31504 /100mL
is: Total as P 00665 6.63
mg/L
(Note: Use MPN method for highly turbid samples)
Orthophosphate 70507
mg/L Other (Specify Compounds and Concentration Units):
issolved Solids:Total 70300 413 mg/L
Al -Aluminum 01105
mg/L
pH (Lab) 00403 7.11 units
Ba - Barium 01007
ug/L
TOC 00680 2.76 mg/L
Ca - Calcium 00916
mg/L
Chloride 00940 32.4 mg/L
Cd - Cadmium 01027
ug/L
Arsenic 01002 ug/L
Chromium: Total 01034
ug/L
Grease and Oils 00552 mg/L
Cu - Copper 01042
mg/L
ORGANICS: (by GC, GC/MS, HPLC)
Phenol 32730 ug/L
Fe - Iron 01045
ug/L
(Specify test and method #. ATTACH LAB REPORT.)
Sulfate 00945 mg/L
Hg - Mercury 71900
ug/L
Lab Report Attached? ■ Yes (1) ❑ No (0)
pecific Conductance 00095 µMhos
K - Potassium 00937
mg/L
VOC 7873 method # SM 6200C
Total Ammonia 00610 <0.500 mg/L
Mg - Magnesium 00927
mg/L
method #
(Ammonia Nitrogen; NH3as N; Ammonia Nitrogen, Total)
Mn - Manganese 01055
ug/L
method #
TKN as N 00625 mg/L
Ni - Nickel 01067
ug/L
method #
iror rcemeatation systems only (Attach Lab Reports): Influent Total VOCs: mg/L Effluent Total VOCs: mg/L VOC Removal%
Dave Mohr, Chief Operations Officer
Permiftee (or Authorized Aqent) Name and Title - Please print or type
GW-59 Rev.8/2013

SUBMIT FORM ON YELLOW PAPER ONLY
GROUNDWATER QUALITY MONITORING:
�.
DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES
COMPLIANCE REPORT FORM
,�
:
DIVISION OF WATER RESOURCES - INFORMATION PROCESSING UNIT
1617 MAIL SERVICE CENTER, RALEIGH, INC 27699-1617 Phone: [phone]
FACILITY INFORMATION Please Print Clearly or Type
PERMIT Number: Expiration Date: 30-Jun-2022
Facility Name: Northwest Regional Water Reclamation Facility
Non -Discharge WQ0034367 UIC
Permit Name (if different): Onslow Water and Sewer Authority
NPDES Other
Facility Address: 189 Mills Field Road
TYPE OF PERMITTED OPERATION BEING MONITORED
Richlands NC 28574 County Onslow
❑ Lagoon ❑ Remediation: Infiltration Gallery
❑ Spray Field ❑ Remediation:
Contact Person: Mark Young
Telephone#: [phone]
❑ Rotary Distributor ❑ Land Application of Sludge
Well Location/Site Name North / Basin D
No. of wells to be sampled: 4
❑ Water Source Heat Pump ■ Other: High Rate Infiltration
from Permit
SAMPLING INFORMATION
If WELL
WELL ID NUMBER (from Permit): MW-4
Date sample collected: 11/9/2021
FIELD ANALYSES:
WAS
Well Depth: 22.0 ft.
Well Diameter: 3 in.
pH 00400: 7.4 units Temp. 000ic 20.9 °C
DRY at
Depth to Water Level 82546: 12 ft. below measuring point
Screened Interval: 7 ft. to
22.0 ft. Spec. Cond. 00094: µMhos
time of
Measuring Point is 3' ft. above land surface
Relative M.P. Elevation: ft.
Odor 00085: None
sampling,
Volume of water pumped/bailed before sampling: 5
gallons
Appearance Clear
check
here:[]Samples
for metals were collected unfiltered: ❑ YES ❑
NO and field acidified: ❑ YES ❑ NO
LABORATORY INFORMATION
Date sample analyzed: 11/9/2021 - 11/12/2021
Laboratory Name: ONWASA Laboratory / Envirochem Certification No. 539 / 94
PARAMETERS NOTE: Values should reflect dissolved and colloidal concentrations.
COD 00335 mg/L
Nitrite (NO2) as N 00615
mg/L Pb - Lead 01051 ug/L
Coliform: MF Fecal 31616 <1.00 /100mL
Nitrate (NO3) as N 00620 <0.250
mg/L Zn - Zinc 01092 mg/L
Coliform: MF Total 31504 /100mL
is: Total as P 00665 <0.150
mg/L
(Note: Use MPN method for highly turbid samples)
Orthophosphate 70507
mg/L Other (Specify Compounds and Concentration Units):
issolved Solids:Total 70300 298 mg/L
Al - Aluminum 01105
mg/L
pH (Lab) 00403 7.36 units
Ba - Barium 01007
ug/L
TOC 00680 1.17 mg/L
Ca - Calcium 00916
mg/L
Chloride 00940 10.2 mg/L
Cd - Cadmium 01027
ug/L
Arsenic 01002 ug/L
Chromium: Total 01034
ug/L
Grease and Oils 00552 mg/L
Cu - Copper 01042
mg/L ORGANICS: (by GC, GC/MS, HPLC)
Phenol 32730 ug/L
Fe - Iron 01045
ug/L (Specify test and method #. ATTACH LAB REPORT.)
Sulfate 00945 mg/L
Hg - Mercury 71900
ug/L Lab Report Attached? ■ Yes (1) ❑ No (0)
pecific Conductance 00095 µMhos
K - Potassium 00937
mg/L VOC 7873 method # SM 6200C
Total Ammonia 00610 <0.500 mg/L
Mg - Magnesium 00927
mg/L method #
(Ammonia Nitrogen, NH3 as N; Ammonia Nitrogen, Total)
Mn - Manganese 01055
9
ug/L ,method #
TKN as N 00625 mg/L
Ni - Nickel 01067
ug/L method #
For Remediation Systems only (Attach Lab Reports): Influent Total VOCs: mg/L Effluent Total VOCs: mg/L VOC Removal%
Dave Mohr Chief Operations Officer
Permittee (or Authorized Aqent) Name and Title - Please print or type
GW-59 Rev.8/2013

SUBMIT FORM ON YFI I OW PAPFR r1Nl Y
GROUNDWATER QUALITY MONITORING:
. • •
DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES
DIVISION OF WATER RESOURCES - INFORMATION PROCESSING UNIT
COMPLIANCE REPORT FORM
1617 MAIL SERVICE CENTER, RALEIGH, NC 27699-1617 Phone: [phone]
FACILITY INFORMATION Please Print Clearly or Type
PERMIT Number: Expiration Date: 30-Jun-2022
Facility Name: Northwest Regional Water Reclamation Facility
Non -Discharge WQ0034367 UIC
Permit Name (if different): Onslow Water and Sewer Authority
NPDES Other
Facility Address: 189 Mills Field Road
TYPE OF PERMITTED OPERATION BEING MONITORED
❑ Lagoon ❑ Remediation: Infiltration Gallery
Richlands NC 28574 County Onslow
❑ Spray Field ❑ Remediation:
Contact Person: Mark Young
Telephone#: [phone]
❑ Rotary Distributor ❑ Land Application of Sludge
Well Location/Site Name West / Basin C
No. of wells to be sampled: 4
❑ Water Source Heat Pump ■ Other: High Rate Infiltration
from Permit
SAMPLING INFORMATION
If WELL
WELL ID NUMBER (from Permit): MW-3
Date sample collected: 11/9/2021
FIELD ANALYSES:
WAS
Well Depth: 22.0 ft.
Well Diameter: 3 in.
pH 00400: 7.4 units Temp. 000lc 20.7 °C
DRY at
Depth to Water Level 82546: 12 ft. below measuring point
Screened Interval: 7 ft. to
22.0
ft. Spec. Cond. 00094: µMhos
time of
Measuring Point is 3' ft. above land surface
Relative M.P. Elevation: ft.
Odor 00085: None
sampling,
Volume of water pumped/bailed before sampling: 5
gallons
Appearance Cloudy
check
here:❑
Samples for metals were collected unfiltered: ❑ YES ❑ NO and field acidified: ❑ YES ❑ NO
LABORATORY INFORMATION
Date sample analyzed: 11/9/2021 - 11/12/2021
Laboratory Name: ONWASA Laboratory / Envirochem Certification No. 539 / 94
PARAMETERS NOTE: Values should reflect dissolved and colloidal concentrations.
COD 00335 mg/L
Nitrite (NO2) as N 00615
mg/L Pb - Lead 01051 ug/L
Coliform: MF Fecal 31616 <5.00 /100mL
Nitrate (NO3) as N 00620 1.1
mg/L Zn - Zinc 01092 mg/L
Coliform: MF Total 31504 /100mL
as: Total as P 00665 6.74
mg/L
(Note: Use MPN method for highly turbid samples)
Orthophosphate 70507
mg/L Other (Specify Compounds and Concentration Units):
issolved Solids:Total 70300 292 mg/L
Al -Aluminum 01105
mg/L
pH (Lab) 00403 7.35 units
Ba - Barium 01007
ug/L
TOC oomo 2.92 mg/L
Ca - Calcium 00916
mg/L
Chloride 00940 7.6 mg/L
Cd - Cadmium 01027
ug/L
Arsenic 01002 ug/L
Chromium: Total 01034
ug/L
Grease and Oils 00552 mg/L
Cu - Copper 01042
mg/L
ORGANICS: (by GC, GC/MS, HPLC)
Phenol 32730 ug/L
Fe - Iron 01045
ug/L
(Specify test and method #. ATTACH LAB REPORT.)
Sulfate 00945 mg/L
Hg - Mercury 71900
ug/L
Lab Report Attached? ■ Yes (1) ❑ No (0)
Specific Conductance 00095 µMhos
K - Potassium 00937
mg/L
VOC 7873 method # SM 6200C
Total Ammonia 00610 <0.500 mg/L
Mg - Magnesium 00927
mg/L
method #
(Ammonia Nitrogen; NH3as N; Ammonia Nitrogen, Total)
Mn -Manganese 01055
ug/L
,method #
TKN as N 00625 mg/L
Ni - Nickel 01067
ug/L
method #
ror memeatation systems vniy tAttacn Lao Keports): Intluent Iota[ VOCs: mg/L Effluent Total VOCs: mg/L VOC Removal%
Dave Mohr, Chief Operations Officer
Permittee (or Authorized Aqent) Name and Title - Please print or tvl)e

GW-59A COMPLIANCE REPORT FORM Permit # WQ0034367
(Submit one each monitoring period with GW-59 jonns.)
1
Enter date monitoring results were due. ( Noy 2o21 1 Will this monitoring report (GW-59 and GW-59A)
be submitted after the established due date?
YES
NO
2
Was any required information missing on the GW-59 report forms?
YES
O
IF the answer to question 1 or 2 is "YES", list in the space provided below the well identification number(s) and
explain the problems encountered in obtaining the required information.
3
Are any of the monitor wells in need of repair or maintenance (damaged casing, unlocked or missing cap, missing
identification plate, area overgrown, etc.)? If the answer is "Yes", contact the Regional Office for guidance.
YES
O
4
Are any monitored constituents equal to or above the established standards?
YES
NO
If the answer to question 4 is "NO", skip to section 8.
If the answer to question 4 is "YES" list the affected wells individually with constituent(s) and concentration(s)
exceeding standards in the space provided below:
5
For the constituents identified in question 4 above, have standards been exceeded previously for the
same constituent(s) in the same well(s) in the last two years?
N/A
YES
NO
If the answer to question 5 is "NO", skip to section 8.
If the answer to question 5 is "YES", list in the space provided below, each well with constituent(s) exceeding
standards, concentration(s) reported, and sample collection date for each occurrence (for the last two years).
6
Are the monitoring wells listed in section 5 located at or beyond the review boundary? N/A
YES
NO
If the answer is "YES", a groundwater quality problem may be occurring. CONTACT THE REGIONAL
OFFICE IMMEDIATELY FOR GUIDANCE. If the answer is "NO", monitoring wells maybe improperly
located, contact the Regional Office.
N/A
7
Is the permittee implementing previously approved actions required by the Division involving this
groundwater quality problem?
N/A
YES
NO
If the answer to question 7 is "YES", describe those actions in the space provided below.
If the answer to question 7 is "NO", contact the Regional Office within 90 days: an evaluation may be
required to determine the impact the waste disposal system is having at the review and compliance
boundaries surrounding this facility. Failure to do so may subject the permittee to a Notice of Violation
fines, and/or penalties.
N/A
g
The person completing this portion (GW-59A) of the monitoring report should sign below and submit this
form with G W-59 forms for required wells to the address provided at the top of the current G W-59 form.
I hereby acknowledge that the above information was evaluated and the information submitted in this
report (C ance port GW-59A) is true and complete to the best of my knowledge.
re of Permittee (or Authorized Agenty p e
GW-59A 12/8/2003

4
ONWASA
Northwest RWRF Project: NW Compliance MW Triennial November
189 Mills Feld Rd. Project Number: Reported:
Richlands, NC 28574 Project Manager: Mark Young 12/07/2021 11:30
Sample Results
Sample: NW Effluent Composite N214613-01 (WW)
Reporting Date Analyst
Analyte Result Qual Limit Units Analyzed Initials Method
tsiotogicai uxygen nemana
s.Vu L.
2.uu
mg/L
11/15/2021
DMN
SM 5210 B
Chloride
53.6
5.00
mg/L
11/11/2021
DMN
SM 4500 CLDE-E
Chemical Oxygen Demand
31.0
20.0
mg/L
11/09/2021
DMN
Hach 8000
Chlorine
0.180
0.0500
mg/L
11/09/2021
MY
SM 4500 Cl G
Temperature
5.70
0.00
deg C
11/09/2021
MY
SM 2550 B
Conductivity
708
us/cm
11/10/2021
DMN
SM 2510 B
Alkalinity, CaCO3
292
mg/L
11/10/2021
DMN
EPA 310.1
Ammonia-N
<0.500 C
0.500
mg/L
11/10/2021
DMK
EPA 350.1
Nitrate
4.45
0.250
mg/L
11/09/2021
DMK
EPA 353.2
Nitrate+Nitrite-Nitrogen
4.52
0.250
mg/L
11/09/2021
DMK
EPA 353.2
Total Phosphorus
2.69
0.150
mg/L
11/12/2021
DMK
EPA 365.1
Total Dissolved Solids
460
2.50
mg/L
11/10/2021
DMN
SM 2540 C
Total Kjeldahl Nitrogen
1.11
1.00
mg/L
11/11/2021
DMN
Hach 10242
Total Nitrogen
5.63
1.25
mg/L
11/11/2021
DMN
[CALC
Total Suspended Solids
<2.50
2.50
mg/L
11/10/2021
DMN
SM 2540 D
C Total residual chlorine was present in sample upon receipt in the laboratory; value is estimated. Applies to BOD, NH3, TKN, and coliform.
C Total residual chlorine was present in sample upon receipt in the laboratory; value is estimated. Applies to BOD, NH3, TKN, and coliform.
Sample Results
Sample: NW Effluent Grab N214613-02 (WW)
001
Reporting Date Analyst
Analyte Result Qual Limit Units Analyzed Initials Method
recdi wuwrrn
Chlorine
pH
Temperature
Sample: NW MW 1 N214613-03 (WW)
<1.uu 1.00
MPN/100ml
11/10/2021
DMN
Cofilert 9223 B
0.300 0.0500
mg/L
11/09/2021
MY
SM 4500 Cl G
7.35 0.100
pH Units
11/09/2021
MY
SM 4500 H B
19.8 0.00
deg C
11/09/2021
MY
SM 2550 B
Sample Results
Reporting Date Analyst
Analyte Result Qual Limit Units Analyzed Initials Method
unionue zi.b
S.uu mg/L
11/11/2021
DMN
SM 4500 CLDE-E
Fecal Coliform <2.00
2.00 #/100ml
11/10/2021
DMN
SM 9222 D (MF)
Color x at collection.
1.00 NA
11/09/2021
MY
Feld Mtd
Field Depth 11.0
Ft
11/09/2021
MY
Field Mtd
The contents of this report appiy to the sample(s) anaiy2ed in accordance with the chain of custody document.
No dt pucation of this report is adowed, except in &5 entirefy.
Page 2 of 5

r•
ONWASA
Northwest RWRF Project: NW Compliance MW Triennial November
189 Mills Field Rd. Project Number: Reported:
Richlands, NC 28574 Project Manager: Mark Young 12/07/2021 11:30
Sample Results
(Continued)
Sample: NW MW 1 (Continued) N214613-03 (WW)
Reporting Date Analyst
Analyte Result Qual Limit Units Analyzed Initials Method
pn
o.yi
u.1uu
pn Units
11/09/2021
MY
SM 4500 H B
Odor
YES Smell
1.00
NA
11/09/2021
MY
Field Mtd
Temperature
20.8
0.00
deg C
11/09/2021
MY
SM 2550 B
Ammonia-N
<0.500
0.500
mg/L
11/10/2021
DMK
EPA 350.1
Nitrate
<0.250
0,250
mg/L
11/09/2021
DMK
EPA 353.2
Total Phosphorus
3.93
0.150
mg/L
11/12/2021
DMK
EPA 365.1
Total Dissolved Solids
376
2.50
mg/L
11/10/2021
DMN
SM 2540 C
Total Organic Carton
6.94
0.500
mg/L
11/10/2021
DMN
SM 5310 C
Grey Grey, apparent color of MW matrix at collection.
Smell MW matrix has an apparent smell, such as, rotten egg smell.
Sample Results
Sample: NW MW 2 N214613-04 (WW)
Reporting Date Analyst
Analyte Result Qual Limit Units Analyzed Initials Method
monde
32.4
5.00
mg/L
11/11/2021
DMN
SM 4500 CLDE-E
Fecal Coliform
<5.00
5.00
#/100ml
11/10/2021
DMN
SM 9222 D (MF)
Color
YES Tan
1.00
NA
11/09/2021
MY
Feld Mtd
Field Depth
9.50
Ft
11/09/2021
MY
Field Mtd
PH
7.11
0.100
pH Units
11/09/2021
MY
SM 4500 H B
Odor
NO No Odor
1.00
NA
11/09/2021
MY
Field Mtd
Temperature
19.8
0.00
deg C
11/09/2021
MY
SM 2550 B
Ammonia-N
<0.500
0.500
mg/L
11/10/2021
DMK
EPA 350.1
Nitrate
0.250
0.250
mg/L
11/09/2021
DMK
EPA 353.2
Total Phosphorus
6.63
0.150
mg/L
11/12/2021
DMK
EPA 365.1
Total Dissolved Solids
413
2.50
mg/L
11/10/2021
DMN
SM 2540 C
Total Organic Carbon
2.76
0.500
mg/L
11/10/2021
DMN
SM 5310 C
Tan Tan, apparent color of MW matrix at collection.
No Odor No apparent smell of MW matrix at collection.
Sample Results
Sample: NW MW 3 N214613-05 (WW)
Reporting Date Analyst
Analyte Result Qual Limit Units Analyzed Initials Method
Chloride 7.60 5.00 mg/L 11/11/2021 DMN SM 4500 CLDE-E
Fecal Coliform <5.00 5.00 #/100m1 11/10/2021 DMN SM 9222 D (MF)
The contents of this report apply to the sample(s) anaiy2ed in accordance with the chain of custody document
No d6piication of this report is allowed, except in its entirely. Page 3 of 5

C�
ONWASA
Northwest RWRF Project: NW Compliance MW Triennial November
189 Mills Field Rd. Project Number: Reported:
Richlands, NC 28574 Project Manager: Mark Young 12/07/2021 11:30
Sample Results
(Continued)
Sample: NW MW 3 (Continued) N214613-05 (WW)
Reporting Date Analyst
Analyte Result Qual Limit Units Analyzed Initials Method
t..oior
YES Tan
1.00
NA
11/09/2021
MY
Field Mtd
Field Depth
12.0
Ft
11/09/2021
MY
Field Mtd
PH
7.35
0.100
pH Units
11/09/2021
MY
SM 4500 H B
Odor
NO No Odor
1.00
NA
11/09/2021
MY
Field Mtd
Temperature
20.7
0.00
deg C
11/09/2021
MY
SM 2550 B
Ammonia-N
<0.500
0.500
mg/L
11/10/2021
DMK
EPA 350.1
Nitrate
1.10
0.250
mg/L
11/09/2021
DMK
EPA 353.2
Total Phosphorus
6.74
0.150
mg/L
11/12/2021
DMK
EPA 365.1
Total Dissolved solids
292
2.50
mg/L
11/10/2021
DMN
SM 2540 C
Total Organic Carbon
2.92
0.500
mg/L
11/10/2021
DMN
SM 5310 C
Tan Tan, apparent color of MW matrix at collection.
No Odor No apparent smell of MW matrix at collection.
Sample Results
Sample: NW MW 4 N214613-06 (WW)
Reporting Date Analyst
Analyse Result Qual Limit Units Analyzed Initials Method
unionae
1u.z
5.00
mg/L
11/11/2021
DMN
SM 4500 CLDE-E
Fecal Coliform
<1.00
1.00
#/100ml
11/10/2021
DMN
SM 9222 D (MF)
Color
NO Clear
1.00
NA
11/09/2021
MY
Feld Mtd
Field Depth
10.0
Ft
11/09/2021
MY
Field Mtd
PH
7.36
0.100
pH Units
11/09/2021
MY
SM 4500 H B
Odor
NO No Odor
1.00
NA
11/09/2021
MY
Field Mtd
Temperature
20.9
0.00
deg C
11/09/2021
MY
SM 2550 B
Ammonia-N
<0.500
0.500
mg/L
11/10/2021
DMK
EPA 350.1
Nitrate
.
<0.250
0.250
mg/L
11/09/2021
DMK
EPA 353.2
Total Phosphorus
<0.150
0.150
m g/L
11/12/2021
DMK
EPA 365.1
Total Dissolved solids
298
2.50
mg/L
11/10/2021
DMN
SM 2540 C
Total Organic Carton
1.17
0.500
mg/L
11/10/2021
DMN
SM 5310 C
Clear Clear, apparent color of MW matrix at collection.
No Odor No apparent smell of MW matrix at collection.
The contents of this report appiy to the sample(s) analyzed in accordance with the chain of custody document.
No dapiication of this report is allowed, except in its entirely. Page 4 of 5

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Y
ANALYTICAL & CONSULTING CHEMISTS
Onslow Water & Sewer Authority
228 Georgetown Road
Jacksonville NC 28540
Attention:
Environmental Chemists, Inc.
6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab V 910.392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 Y 252.473.5702 Lab/Fax
255-A Wilmington Highway, Jacksonville, NC 28540 - 910.347.5843 Lab/Fax
[e-mail]
Date of Report: Nov 23, 2021
Customer PO #:
Customer ID: 08100092
Report #: 2021-19826
Project ID: Northwest Reg. WRF
Lab ID Sample ID:
21-49615 Site: MW-1
Test
Collect Date/Time
11/9/2021 8:45 AM
Method
Matrix Sampled by
Water Mark Young
Results Date Analyzed
1, 1, 1,2-Tetrachloroethane
SM 6200 B-2011
<0.5 pg/L
11116/2021
1, 1. 1 -Trichloroethane
SM6200B-2011
<0.5pg/L
11/16/2021
1,1,2,2-Tetrachloroethane
SM6200B-2011
<0.5pg/L
11/16/2021
1,1,2-Trichloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,1-Dichloroethane
SM6200B-2011
<0.5pg/L
11/16/2021
1,1-Dichloroethene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,1-Dichloropropene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2,3-Trichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2,3-Trichooropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2,4-Trichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2,4-Trimethylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dibromo-3-Chloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dibromoethane
SM6200B-2011
<0.5pg/L
11/16/2021
1,2-Dichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dichloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dichloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,3,5-Trimethylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,3-Dichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,3-Dichloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,4-Dichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
2,2-Dichloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
2-Chlorotoluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
4-Chlorotoluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Benzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromochloromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Report #.: 2021-19626 Page 1 of 12

r7 �
l_6nvirochem
ANALYTICAL & CONSULTING CHEMISTS
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 a 910.347.5843 Lab/Fax
info/aienvironmentalchemists.com
Onslow Water & Sewer Authority
Date of Report: Nov 23, 2021
228 Georgetown Road
Customer PO M
Jacksonville NC
28540
Customer ID: 08100092
Attention:
Report M 2021-19826
Project ID: Northwest Reg. WRF
Bromodichloromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromoform
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromomethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Carbon tetrachloride
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Chlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Chloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Chloroform
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Chloromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
cis-1,2-Dichloroethene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
cis-1,3-Dichloropropene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Dibromochloromethane
SM 6200 B-2011
<0-5 pg/L
11/16/2021
Dibromomethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Dichlorodifluoromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Ethylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Hexachlorobutadiene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Isopropylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
M+P Xylene
SM 6200 B-2011
<1.0 pg/L
11/16/2021
Methylene chloride
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Naphthalene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
n-Butylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
n-Propylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
ortho-Xylene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
p4sopropyltoluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
sec -Butyl benzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Styrene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
tert-Butylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Tetrachloroethene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Toluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Trans-1,2-Dichloroethene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Trans- 1,3-dichloropropene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Report #:: 2021-19826
Page 2 of 12

[env7iroehem
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 b 252.473.5702 Lab/Fax
255-A Wilmington Highway, Jacksonville, NC 28540 ® 910.347.5843 Lab/Fax
infocu?environmentalchemists.com
Ons low Water & Sewer Authority Date of Report: Nov 23, 2021
228 Georgetown Road Customer PO #:
Jacksonville NC 28540 Customer ID: 08100092
Attention: Report #: 2021-19826
Project ID: Northwest Reg. WRF
Trichloroethene SM 6200 a-2011 <0.5 pg/L 11/16/2021
Trichlorofluoromethane SM 6200 B-2011
Vinyl chloride SM 6200 B-2011
<0.5 ug/L
<0.5 ug/L
11 /16/2021
11 /16/2021
Report #:: 2021-19826 Page 3 of 12

Onslow Water & Sewer Authority
228 Georgetown Road
Jacksonville NC 28540
Attention:
Date of Report: Nov 23, 2021
Customer PO #:
Customer ID: 08100092
Report #: 2021-19826
Project ID: Northwest Reg. WRF
Lab ID Sample ID:
Collect Date/Time Matrix Sampled by
21-49616 Site: MW-2
11/9/2021 9:05 AM Water Mark Young
Test
Method
Results Date
Analyzed
1, 1, 1,2-Tetrachloroethane
SM6200B-2011
<0.5pg/L
11/16/2021
1,1,1-Trichloroethane
SM6200B-2011
<0.5pg/L
11/16/2021
1,1,2,2-Tetrachloroethane
SM6200B-2011
<0.5pg/L
11/16/2021
1,1,2-Trichloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1, 1 -Dichloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,1-Dichloroethene
SM6200B-2011
<0.5pg/L
11/16/2021
1,1-Dichloropropene
SM6200B-2011
<0.5pg/L
11/16/2021
1,2,3-Trichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2,3-Trichloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2,4-Trichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2,4-Trimethylbenzene
SM6200B-2011
<0.5pg/L
11/16/2021
1,2-Dibromo-3-Chloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dibromoethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dichlorobenzene
SM 5200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dichloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dichloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,3,5-Trimethylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,3-Dichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,3-Dichloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,4-Dichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
2,2-Dichloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
2-Chlorotoluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
4-Chlorotoluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Benzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromochloromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Report #:: 2021-19626 Page 4 of 12

ANALYTICAL $ CONSULTING CHEMISTS
Environmental Chemists, Inc.
6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab a 910.392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 6 252.473.5702 Lab/Fax
255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax
info(4,,environmentalchemists.com
Onslow Water & Sewer Authority
Date of Report: Nov 23, 2021
228 Georgetown Road
Customer PO M
Jacksonville NC
28540
Customer ID: 08100092
Attention:
Report M 2021-19826
Project ID: Northwest Reg. WRF
Bromodichloromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromoform
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromomethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Carbon tetrachloride
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Chlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Chloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Chloroform
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Chloromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
cis-1,2-Dichloroethene
SM 5200 B-2011
<0.5 pg/L
11/16/2021
cis-1,3-Dichloropropene
SM 6200 B-2011
<0.5 pg/L
11/1612021
Dibromochloromethane
SM 6200 B-2011
<0.5 pg/L
11116/2021
Dibromomethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Dichlorodifluoromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Ethylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Hexachlorobutadiene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Isopropylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
M+P Xylene
SM 6200 B-2011
<1.0 pg/L
11/16/2021
Methylene chloride
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Naphthalene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
n-Butylbenzene
SM 6200 8-2011
<0.5 pg/L
11/16/2021
n-Propylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
ortho-Xylene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
p-Isopropyltoluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
sec-Butylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Styrene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
tert-Butylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Tetrachloroethene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Toluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Trans-1,2-Dichloroethene
SM6200B-2011
<0.5pg/L
11/16/2021
Trans-1,3-dichloropropene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Report*: 2021-19826
Page 5 of 12

Environmental Chemists, Inc.
1 6602 Windmill Way, Wilmington, NC 28405 ® 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 F 910.347.5843 Lab/Fax
ANALYTICAL & CONSULTING CHEMISTS info(i;environmentalchemists.com
Onslow Water & Sewer Authority Date of Report: Nov 23, 2021
228 Georgetown Road Customer PO #:
Jacksonville NC 28540 Customer ID: 08100092
Attention: Report #: 2021-19826
Project ID: Northwest Reg. WRF
Trichloroethene SM 6200 B-2011 <0.5 pg/L 11/16/2021
Trichlorofluoromethane SM 6200 B-2011 <0.5 pg/L 11/16/2021
Vinyl chloride SM 6200 B-2011 <0.5 pg/L 11/16/2021
Report #:: 2021-19826 Page 6 of 12

Onslow Water & Sewer Authority
Date of Report: Nov 23, 2021
228 Georgetown Road
Customer PO #:
Jacksonville NC
28540
Customer ID: 08100092
Attention:
Report #: 2021-19826
Project ID: Northwest Reg. WRF
Lab ID Sample ID:
Collect Date/Time Matrix Sampled by
21-49617 Site: MW-3
11/9/2021 9:25 AM Water Mark Young
Test
Method
Results Date Analyzed
1,1,1,2-Tetrachloroethane
SM6200B-2011
<0.5pg/L
11/16/2021
1,1,1-Trichloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,1,2,2-Tetrachloroethane
SM6200B-2011
<0.5pg/L
11/16/2021
1,1,2-Trichloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1, 1 -Dichloroethane
SM6200B-2011
<0.5pg/L
11/16/2021
1,1-Dichloroethene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,1-Dichloropropene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2,3-Trichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2,3-Trichloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2,4-Trichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2,4-Trimethylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dibromo-3-Chloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dibromoethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dichloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dichloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,3,5-Trimethylbenzene
SM 6200 B-2011
<0.5 pg/L
11/1612021
1,3-Dichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,3-Dichloropropane
SM6200B-2011
<0.5pg/L
11/16/2021
1,4-Dichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
2,2-Dichloropropane
SM 6200 B-2011
<0.5 pg/L
11/1612021
2-Chlorotoluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
4-Chlorotoluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Benzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromochloromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Report #:: 2021-19626
Page 7 of 12

-7 -_V 74 -7 Environmental Chemists, Inc.
envirochem 6602 Windmill Way, Wilmington, NC 28405 - 910.392.0223 Lab ® 910.392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax
sM 255-A Wilmington Highway, Jacksonville, NC 28540 P 910.347.5843 Lab/Fax
ANALYTICAL & CONSULTING CHEMISTS [e-mail]
Onslow Water & Sewer Authority Date of Report: Nov 23, 2021
228 Georgetown Road Customer PO #:
Jacksonville NC 28540 Customer ID: 08100092
Attention: Report #: 2021-19826
Project ID: Northwest Reg. WRF
Bromodichloromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromoform
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromomethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Carbon tetrachloride
SM 5200 B-2011
<0.5 pg/L
11/16/2021
Chlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Chloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Chloroform
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Chloromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
cis-1,2-Dichloroethene
5M 6200 B-2011
<0.5 pg/L
11/16/2021
cis- 1,3-Dichloropropene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Dibromochloromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Dibromomethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Dichlorodifluoromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Ethylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Hexachlorobutadiene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Isopropylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
M+P Xylene
SM 6200 B-2011
<1.0 pg/L
11/16/2021
Methylene chloride
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Naphthalene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
n-Butylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
n-Propylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
ortho-Xylene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
p-Isopropyltoluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
sec-B utyl benzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Styrene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
tert-Butyl benzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Tetrachloroethene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Toluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Trans-1,2-Dichloroethene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Trans-1,3-dichloropropene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Report #:: 2021-19826
Page 8 of 12

ANALYTICAL & CONSULTING CHEMISTS
Environmental Chemists, Inc.
6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab ® 910.392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax
255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax
[e-mail]
Onslow Water & Sewer Authority Date of Report: Nov 23, 2021
228 Georgetown Road Customer PO #:
Jacksonville NC 28540 Customer ID: 08100092
Attention: Report #: 2021-19826
Project ID: Northwest Reg. WRF
Trichloroethene SM 6200 B-2011 <0.5 Ng/L 11/16/2021
Trichlorofluoromethane SM 6200 B-2011
<0.5 ug/L 11/16/2021
Vinyl chloride SM 6200 B-2011 <0.5 ug/L 11/16/2021
Report #;; 2021-19826 Page 9 of 12

Onslow Water & Sewer Authority
Date of Report: Nov 23, 2021
228 Georgetown Road
Customer PO #:
Jacksonville NC
28540
Customer ID: 08100092
Attention:
Report #: 2021-19826
Project ID: Northwest Reg. WRF
Lab ID Sample ID:
Collect Date/Time Matrix Sampled by
21-49618 Site: MW-4
11/9/2021 9:40 AM Water Mark Young
Test
Method
Results Date
Analyzed
1, 1, 1,2-Tetrachloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1, 1, 1 -Trichloroethane
SM6200B-2011
<0.5pg/L
11/16/2021
1,1,2,2-Tetrachloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,1,2-Trichloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,1-Dichloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,1-Dichloroethene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,1-Dichloropropene
SM 5200 B-2011
<0.5 pg/L
11/16/2021
1,2, 3-Trichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2,3-Trichloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2,4-Trichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2,4-Trimethylbenzene
SM 6200 B-2011
<0,5 pg/L .
11/16/2021
1,2-Dibromo-3-Chloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dibromoethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dichloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,2-Dichloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,3,5-Trimethylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,3-Dichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,3-Dichloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
1,4-Dichlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
2,2-Dichloropropane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
2-Chlorotoluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
4-Chlorotoluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Benzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromochloromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Report #:: 2021-19626
Page 10 of 12

Lenvirochem
ANALYTICAL & CONSULTING CHEMISTS
Environmental Chemists, Inc.
6602 Windmill Way, Wilmington, NC 28405 c 910.392.0223 Lab m 910.392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 0 252.473.5702 Lab/Fax
255-A Wilmington Highway, Jacksonville, NC 28540 ® 910.347.5843 Lab/Fax
[e-mail]
Onslow Water & Sewer Authority
Date of Report: Nov 23, 2021
228 Georgetown Road
Customer PO #:
Jacksonville NC
28540
Customer ID: 08100092
Attention:
Report #: 2021-19826
Project ID: Northwest Reg. WRF
Bromodichloromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromoform
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Bromomethane
SM 6200 B-2011
<0.5 pg/L
11/1612021
Carbon tetrachloride
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Chlorobenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Chloroethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Chloroform
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Chloromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
cis- 1,2-Dichloroethene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
cis-1,3-Dichloropropene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Dibromochloromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Dibromomethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Dichlorodifluoromethane
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Ethylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Hexachlorobutadiene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Isopropylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
M+P Xylene
SM 6200 B-2011
<1.0 pg/L
11/16/2021
Methylene chloride
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Naphthalene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
n-Butylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
n-Propylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
ortho-Xylene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
p-Isopropyltoluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
sec-Butylbenzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Styrene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
tert-Butyl benzene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Tetrachloroethene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Toluene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Trans-1,2-Dichloroethene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Trans- 1,3-dichloropropene
SM 6200 B-2011
<0.5 pg/L
11/16/2021
Report #:: 2021-19826
Page 11 of 12

Environmental Chemists, Inc.
envirochem
ANALYTICAL & CONSULTING CHEMISTS
Onslow Water & Sewer Authority
228 Georgetown Road
Jacksonville NC 28540
Attention:
6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab ® 910.392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax
255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax
[e-mail]
Date of Report: Nov 23, 2021
Customer PO #:
Customer ID: 08100092
Report #: 2021-19826
Project ID: Northwest Reg. WRF
Trichloroethene SM 6200 B-2011 <0.5 Ng/L 11/16/2021
Trichlorofluoromethane SM 6200 B-2011 <0.5 ug/L 11/16/2021
Vinyl chloride SM 6200 B-2011 <0.5 ug/L 11/16/2021
Comment:
Reviewed by:�41 , Qa
0
Report A-.: 2021-19626 - Page 12 of 12

Environmental Chemist, Inc., Wilmington, NC Lab #94
6602 Windmill Way
Wilmington, NC 28405
910.392.0223
Sample Receipt Checklist
Client.'Q
MA's
Date:1 1 �1 Report Number: _ cz i -- 7 (J a�
Receipt of sample:
ECHEM Pickupv Client Delivery ❑ UPS ❑ FedEx ❑ Other ❑
❑ YES
JEJ NO
10 N/A 11. Were custody seals present on the cooler?
❑ YES
❑ NO
N/A 2. If custody seals were present, were they intact/unbroken?
Original temperature upon receipt a. °C Corrected temperature upon receipt
How temperature taken:
❑ Temperature Blank NKAgainst Bottles
IR Gun ID: Thomas Traceable S/N 192511657 IR Gun Correction Factor °C: 0.0
❑ YES
❑ NO
3. If temperature of cooler exceeded 6°C, was Project Mgr./QA notified?
YES
❑ NO
4. Were proper custody procedures (relinquished/received) followed?
YES
❑ NO
5. Were sample ID listed on the COC?
YES
❑ NO
6. Were samples ID's listed on sample containers?
YES
❑ NO
7. Were collection date and time listed on the COC?
YES
❑ NO
8. Were tests to be performed listed on the COC?
YES
❑ NO
9. Did samples arrive in proper containers for each test?
YES
❑ NO
10. Did samples arrive in good condition for each test?
YES
❑ NO
11. Was adequate sample volume available?'
YES
❑ NO
12. Were samples received within proper holding time for requested tests?
❑ YES
❑ 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): H250, HNO3 HCI NaOH
Time of preservation: If more than one preservative is needed, notate in comments below
Vote: Notify customer service immediately for incorrectly preserved samples. Obtain a new sample or
iatify the state lab if directed to analyzed by the customer. Who was notified, date and time:
/olatiles Sample(s) were received with headspace
COMMENTS:
DOC. QA.002 Rev 1

Onslow Water & Sewer Authority
228 Georgetown Road
Jacksonville NC 28540
Sending Facility:
Northwest WRF
189 Mills Feld Road
Richlands, NC 28574
Phone:[phone]
Project Manager: Mark Young
Work Order: N214613 Northwest RWRF
Subcontracted Laboratory:
t9Cd V�N C`:
y.� 1,z
t _I_ B �t,
SUBCONTRACT
Dc-1q,�a6
Environmental Chemists, Inc.
6602 Windmill Way
Wilmington, NC 28405
Phone: [phone] Fax: [phone]
NCOENR: DWQ CERTIFICATION 70 94 NCDHHS: OLS CERTIFICATI01i 4 3772.9
Sample ID: N214613-03 NW MW 1 GW Sampled.' 1110912021 08:45 Sampled by: Mark Youna
Analysis Due Expires EnviroChem Lab ID
SM 6200 C 11/19/2021 11/16/2021 06:45
Containers Supplied:
gg615
Sample ID: N214613-04 NW MW 2 GW Sampled: 1110912021 09:05 Sampled by., Mark Youna
Analysis Due Expires EnviroChem Lab ID
SM 6200 C 11/19/2021 11/16/2021 09:05
Containers Supplied.'
Sample ID: N214613-05 NW MW 3 GW Sampled.' 11/0912021 09:25 Sampledby: Mark Youna
Analysis Due Expires EnviroChem Lab ID
SM 6200 C 11/19/2021 11/16/2021 09:25
Containers Supplied.- /
Sample ID: N214613-06 NW MW 4 GW Sampled.• 1110912021 09.40 Sampled by.- Mark Youna
Analysis Due Expires EnviroChem Lab ID
SM 6200 C 11/19/2021 11/16/2021 09:40
Containers Supplied.•
�g61S
EnviroChem Report No:
Relinquished By Date Received By
lDate
Page 1 of 1 ` 1 l 65 rn