WQ0006317_Monitoring - 03-2024_20240423

Monitoring Report Submittal
Permit Number#* WQ0006317
Name of Facility:* Colonial Pipeline Company - Greensboro Junction WWTF
Month: * March Year: * 2024
Report Information
Type* Upload Document*
GW-59 2024-04-23_WQ0006317_2024-03_GW-59.pdf 10.73MB
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: * David Reedy
Signature:
Date of submittal: 4/23/2024
This will be filled in automatically
Initial Review
Reviewer: Wanda.Gerald

Is the project number correct?* WQ0006317
Is the monitoring report accepted?* Yes No
Regional Office* Winston-Salem
Reviewer: _anonymous
Review Date: 5/1/2024

SUBMIT FORM ON YELLOW PAPER ONLY
• •
DEPARTMENT OF ENVIRONMENTAL QUALITY - DIV. OF WATER RESOURCES
GROUNDWATER QUALITY MONITORING:
INFORMATION PROCESSING UNIT
COMPLIANCE REPORT FORM
1617 MAIL SERVICE CENTER, RALEIGH, NC 27699-1617
FACILITY INFORMATION Please Print Clearly or Type
PERMIT Number: Expiration Date: 1/31/2025
Facility Name: Colonial Pipeline Company Greensboro Junction WWTF
Non -Discharge WQ0006317 UIC
Permit Name (if different):
NPDES Other
Facility Address: 411 Gallimore Dairy Road
TYPE OF PERMITTED OPERATION BEING MONITORED
Greensboro NC 27409 County Guilford
❑ Lagoon ❑ Remediation: Infiltration Gallery
9 Spray Field ❑ Remediation:
Contact Person: Kyle Boyan
Telephone#: [phone]
ElRotary Distributor ElLand Application of Sludge
Well Location/Site Name: Wastewater Irrigation System No. of wells to be sampled: 3
❑ Water Source Heat Pump ❑ Other:
(from Permit)
SAMPLING INFORMATION
If WELL
WELL ID NUMBER (from Permit): 5
Date sample collected: 3/5/2024
FIELD ANALYSES:
WAS
Well Depth: 29.00 ft.
Well Diameter: 2 in.
pH 00400: 5.7 units Temp. 000io: 16.2 °C
DRY at
Depth to Water Level 82546: 13.42 ft. below measuring point Screened Interval: ft. to
—
ft. Spec. Cond. 00094: 152 µMhos
time of
sampling,
Measuring Point is ft. above land surface
Relative M.P. Elevation: ft.
Odor 00085: None
check
Volume of water pumped/bailed before sampling: 8
gallons
Appearance Clear
here:❑
Samples for metals were collected unfiltered: X YES
El and field acidified: K YES ❑ NO
LABORATORY INFORMATION
Date sample analyzed: 3/12/2024
Laboratory Name: Pace Laboratory
Certification No. 12
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 <1.0 /100mL
Nitrate (NO3) as N 00620 0.11
mg/L Zn - Zinc 01092 mg/L
Coliform: IMF Total 31504 /100mL
Phosphorus: Total as P 00665 0.081
mg/L
(Note: Use MPN method for highly turbid samples)
Orthophosphate 70507
mg/L Other (Specify Compounds and Concentration Units):
issolved Solids:Total 70300 124 mg/L
Al - Aluminum 01105
mg/L
pH (Lab) 00403 units
Ba - Barium 01007
ug/L
TOC 00680 mg/L
Ca - Calcium 00916
mg/L
Chloride 0094o 21.8 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 # 8260D
Total Ammonia 00610 <0.10 mg/L
Mg - Magnesium 00927
mg/L method #
(Ammonia Nitrogen, NH3 as N. Ammonia Nitrogen, Total)
Mn - Manganese o1o55
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%
Kyle Boyan - Operations Manager
Permittee (or Authorized Agent) Name and Title - Please print or type
GW-59 Rev.06-07-2018

SUBMIT FORM ON YELLOW PAPER ONLY
• •
DEPARTMENT OF ENVIRONMENTAL QUALITY - DIV. OF WATER RESOURCES
GROUNDWATER QUALITY MONITORING:
• •
INFORMATION PROCESSING UNIT
COMPLIANCE REPORT FORM
1617 MAIL SERVICE CENTER, RALEIGH, NC 27699-1617
FACILITY INFORMATION Please Print Clearly or Type
PERMIT Number: Expiration Date: 1/31/2025
Facility Name: Colonial Pipeline Company Greensboro Junction WWTF
Non -Discharge WQ0006317 UIC
Permit Name (if different):
NPDES Other
Facility Address: 411 Gallimore Dairy Road
TYPE OF PERMITTED OPERATION BEING MONITORED
Greensboro NC 27409 County Guilford
❑ Lagoon ❑ Remediation: Infiltration Gallery
N Spray Field ❑ Remediation:
Contact Person: Kyle Boyan
Telephone#: [phone]
❑ Rotary Distributor ❑ Land Application of Sludge
Well Location/Site Name: Wastewater Irrigation System No. of wells to be sampled: 3
❑ Water Source Heat Pump ❑ Other:
(from Permit)
SAMPLING INFORMATION
If WELL
WELL ID NUMBER (from Permit): 7
Date sample collected: 3/5/2024
FIELD ANALYSES:
WAS
Well Depth: 27.6 ft.
Well Diameter: 2 in.
pH 00400: 6.4 units Temp. 000lo: 15.3 °c
DRY at
Depth to Water Level 82546: 12.48 ft. below measuring point Screened Interval: ft. to
—
ft. Spec. Cond. 00094: 96 µMhos
time of
sampling,
Measuring Point is ft. above land surface
Relative M.P. Elevation: ft.
Odor 00085: None
check
Volume of water pumped/bailed before sampling: 8
gallons
Appearance Clear
here:
❑
Samples for metals were collected unfiltered: ❑■ YES
El NO and field acidified: ❑■ YES ❑ NO
LABORATORY INFORMATION
Date sample analyzed: 3/12/2024
Laboratory Name: Pace Laboratory
Certification No. 12
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 ,0 /100mL
Nitrate (NO3) as N 00620 0.48
mg/L Zn - Zinc 01092 mg/L
Coliform: MF Total 31504 /100mL
Phosphorus: Total as P 00665 0.22
mg/L
(Note: Use MPN method for highly turbid samples)
Orthophosphate 70507
mg/L Other (Specify Compounds and Concentration Units):
issolved Solids:Total 70300 93.0 mg/L
Al - Aluminum 01105
mg/L
pH (Lab) 00403 units
Ba - Barium 01007
ug/L
TOC 00680 mg/L
Ca - Calcium oo916
mg/L
Chloride 0094o 2.3 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 # 8260D
Total Ammonia 00610 <0.10 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 #
For Remediation Systems Only (Attach Lab Reports): Influent Total VOCs: - mg/L Effluent Total VOCs: mg/L VOC Removal%
I certify that, to the best of my knowledge and belief, the information submitted in this report is true, accurate, and complete, and that the laboratory analytical data was produced using approved methods of analysis by a
DWR-certified laboratory I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations.
Kyle Boyan - Operations Manager
Permittee (or Authorized Agent) Name and Title - Please print or type Signature of PArnittee (c
(Date)
GW-59 Rev.06-07-2018

SUBMIT FORM ON YELLOW PAPER ONLY
DEPARTMENT OF ENVIRONMENTAL QUALITY - DIV. OF WATER RESOURCES
GROUNDWATER QUALITY MONITORING:
INFORMATION PROCESSING UNIT
COMPLIANCE REPORT FORM
1617 MAIL SERVICE CENTER, RALEIGH, NC 27699-1617
FACILITY INFORMATION Please Print Clearly or Type
PERMIT Number: Expiration Date: 1/31/2025
Facility Name: Colonial Pipeline Company Greensboro Junction WWTF
Non -Discharge WQ0006317 UIC
Permit Name (if different):
NPDES Other
Facility Address: 411 Gallimore Dairy Road
TYPE OF PERMITTED OPERATION BEING MONITORED
Greensboro NC 27409
County Guilford
❑ Lagoon ❑ Remediation: Infiltration Gallery
❑■ Spray Field ❑ Remediation:
Contact Person: Kyle Boyan
Telephone#: [phone]
❑ Rotary Distributor ❑ Land Application of Sludge
Well Location/Site Name: Wastewater Irrigation System No. of wells to be sampled: 3
❑ Water Source Heat Pump ❑ Other:
(from Permit)
SAMPLING INFORMATION
If WELL
WELL ID NUMBER (from Permit): 9
Date sample collected: 3/5/2024
FIELD ANALYSES:
WAS
Well Depth: 31.8 ft.
Well Diameter: 2 in.
pH o0400: 5.1 units Temp. 000to: 18.6 °C
DRY at
Depth to Water Level 82546: 18.85 ft. below measuring point Screened Interval: ft. to
ft. Spec. Cond. 00094: 50 µMhos
time of
sampling,
Measuring Point is ft. above land surface
Relative M.P. Elevation: ft.
Odor 00085: None
check
Volume of water pumped/bailed before sampling: 6
gallons
Appearance Clear
here:❑
Samples for metals were collected unfiltered: ❑■ YES
❑ NO and field acidified: X YES ❑ NO
LABORATORY INFORMATION
Date sample analyzed: 3/25/2024
Laboratory Name: Pace Laboratory
Certification No. 12
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 .0 /100mL
Nitrate (NO3) as N 00620 1.6
mg/L Zn - Zinc 01092 mg/L
Coliform: MF Total 31504 /100mL
Phosphorus: Total as P 00665 <0.050
mg/L
(Note: Use MPN method for highly turbid samples)
Orthophosphate 70507
mg/L Other (Specify Compounds and Concentration Units):
issolved Solids:Total 703oo 33 mg/L
Al - Aluminum oilo5
mg/L
pH (Lab) 00403 units
Ba - Barium 01007
ug/L
TOC oo68o mg/L
Ca - Calcium 00916
mg/L
Chloride 0094o 5.5 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)
pecific Conductance 00095 µMhos
K - Potassium 00937
mg/L
VOC 7873 method # 8260D
Total Ammonia 00610 <0.10 mg/L
Mg - Magnesium 00927
mg/L
method #
(Ammonia Nitrogen, NH3as Ni Ammonia Nitrogen, Total)
Mn - Manganese 01055
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°/.
Kyle Boyan - Operations Manager
Permittee (or Authorized Agent) Name and Title - Please print or type
GW-59 Rev.06-07-2018

GW-59A COMPLIANCE REPORT FORM Permit # W00006317
(Submit one each monitoring period with GW-59 forms.)
1
Enter date monitoring results were due. April 30 2024 Will this monitoring report(GIN-59 and GW-59A
YES
NO
be submitted after the established due date?
2
Was any required information missing on the GW-59 report forms?
YES
NO
IF the answer to question f 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
YES
NO
plate, area overgrown, etc.)? if the answer is "Yes ", contact the Regional Office for guidance.
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: pH for each monitor well sampled was below the range of 6.5 -
8.5 SU.
5
For the constituents identified in question 4 above, have standards been exceeded previously for the same
YES
NO
constituent(s) in the same well(s) in the last two years?
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).
Each MW had a pH less than 6.5 SU in March 2022 July 2022, November 202Z March 2023 (except MW-5 and
MW-6). July 2023, and November 2023.
6
Are the monitoring wells listed in section 5 located at or beyond the review boundary?
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 may be improperly located; contact the
Regional Office.
7
Is the permittee implementing previously approved actions required by the Division involving this groundwater
YES
NO
quality problem?
If the answer to question 7 is "YES", describe those actions in the space provided below.
If the answer to auestion 7 i "N contact Rectional Office within n evaluation may be
required to determine the impact the waste disposal system is having at the review and compliance
boundaries surroundim this facility. Failure to do so may subject the permittee to a Notice of Violation
fines and/or penalties.
g
The person completing this portion (GW-59A) of the monitoring report should sign below and submit this form
with GW-59 forms for required wells to the address provided at the top of the current GW-59 form.
I hereby acknowledge that the above information was evaluated and the information submitted in this report
(Compliance Report GW-59A) is true and complete to the best of my knowledae.
z � Z 8�Z
Signature ofPermittee (or Authorized Agent) Date

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
March 14, 2024
Michael Pfeifer
S&ME
3201 Spring Forest Road
Raleigh, NC 27616
RE: Project: Colonial Pipeline GSO
Pace Project No.: 92716844
Dear Michael Pfeifer:
Enclosed are the analytical results for sample(s) received by the laboratory on March 05, 2024. 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.
The test results provided in this final report were generated by each of the following laboratories within the Pace Network:
• Pace Analytical Services - Asheville
• Pace Analytical Services - Charlotte
• Pace Analytical Services - Eden
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Angela Baioni for
Nicole D'Oleo
[e-mail]
[phone]
Project Manager
Enclosures
cc: Accounts Payable, SWE
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 36

ace
Pace Analytical Services, LLC
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
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 Eden
205 East Meadow Road Suite A, Eden, NC 27288
North Carolina Drinking Water Certification #: 37738
CERTIFICATIONS
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 Wastewater Certification #: 633
Virginia/VELAP Certification M 460025
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 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
SAMPLE ANALYTE COUNT
Project:
Pace Project No.:
Colonial Pipeline GSO
92716844
Analytes
Lab ID
Sample ID
Method
Analysts
Reported
Laboratory
92716844001
Effluent
SM 2540C-2015
DAW
1
PASI-E
SM 2540D-2015
VLG
1
PASI-E
EPA 353.2 Rev 2.0 1993
SRS
2
PASI-E
SM 521OB-2016
MWF
1
PASI-E
SM 9222D-2015
VLG
1
PASI-E
EPA 1664E
YY
1
PASI-C
EPA 200.7 Rev 4.4 1994
DBB1, SBW
3
PASI-A
EPA 601 OD
DMN
1
PASI-A
EPA 8260D
JJK
63
PASI-C
TKN+NO3+NO2 Calculation
MDW
1
PASI-A
EPA 350.1 Rev 2.0 1993
NCF
1
PASI-A
EPA 351.2 Rev 2.0 1993
MFO
1
PASI-A
EPA 353.2 Rev 2.0 1993
ARJ
1
PASI-A
EPA 365.1 Rev 2.0 1993
Zip
1
PASI-A
SM 4500-CI-E-2011
Zip
1
PASI-A
92716844002
MW-5
SM 2540C-2015
DAW
1
PASI-E
EPA 353.2 Rev 2.0 1993
SRS
1
PASI-E
SM 9222D-2015
VLG
1
PASI-E
EPA 8260D
JJK
63
PASI-C
EPA 350.1 Rev 2.0 1993
NCF
1
PASI-A
EPA 365.1 Rev 2.0 1993
Zip
1
PASI-A
SM 4500-CI-E-2011
Zip
1
PASI-A
92716844003
MW-7
SM 2540C-2015
DAW
1
PASI-E
EPA 353.2 Rev 2.0 1993
SRS
1
PASI-E
SM 9222D-2015
VLG
1
PASI-E
EPA 8260D
JJK
63
PASI-C
EPA 350.1 Rev 2.0 1993
NCF
1
PASI-A
EPA 365.1 Rev 2.0 1993
Zip
1
PASI-A
SM 4500-CI-E-2011
Zip
1
PASI-A
92716844004
MW-9
SM 2540C-2015
DAW
1
PASI-E
EPA 353.2 Rev 2.0 1993
SRS
1
PASI-E
SM 9222D-2015
VLG
1
PASI-E
EPA 8260D
JJK
63
PASI-C
EPA 350.1 Rev 2.0 1993
NCF
1
PASI-A
EPA 365.1 Rev 2.0 1993
Zip
1
PASI-A
SM 4500-CI-E-2011
Zip
1
PASI-A
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 3 of 36

SAMPLE ANALYTE COUNT
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Analytes
Lab ID Sample ID Method Analysts Reported Laboratory
PASI-A = Pace Analytical Services - Asheville
PASI-C = Pace Analytical Services - Charlotte
PASI-E = Pace Analytical Services - Eden
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 4 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
Sample: Effluent Lab ID: 92716844001 Collected: 03/05/24 14:25 Received: 03/05/24 16:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
2540C Total Dissolved Solids
Analytical Method: SM 2540C-2015
Pace Analytical Services - Eden
Total Dissolved Solids
1760 mg/L
250
1
03/11/24 15:25
2540D Total Suspended Solids
Analytical Method: SM 2540D-2015
Pace Analytical Services - Eden
Total Suspended Solids
525 mg/L
125
1
03/06/24 14:12
353.2 NO2/NO3 unpres EDN
Analytical Method: EPA 353.2 Rev 2.0 1993
Pace Analytical Services - Eden
Nitrogen, Nitrate
<0.040 mg/L
0.040
1
03/06/24 10:09
14797-55-8
Nitrogen, Nitrite
0.42 mg/L
0.040
1
03/06/24 10:09
14797-65-0
5210B BOD, 5 day EDN
Analytical Method: SM 521OB-2016 Preparation
Method:
SM 521OB-2016
Pace Analytical Services - Eden
BOD, 5 day
213 mg/L
2.0
1
03/06/24 10:31 03/11/24 10:57
B2
MBIO 9222D Fecal Coliform EDN
Analytical Method: SM 9222D-2015 Preparation
Method: SM 9222D-2015
Pace Analytical Services - Eden
Fecal Coliforms
18.0 CFU/100 mL
1.0
1
03/05/24 18:46 03/06/24 17:37
HEM, Oil and Grease
Analytical Method: EPA 1664E
Pace Analytical Services - Charlotte
Oil and Grease
<4.9 mg/L
4.9
1
03/08/24 12:00
200.7 MET ICP
Analytical Method: EPA 200.7 Rev 4.4 1994 Preparation
Method: EPA 200.7 Rev 4.4 1994
Pace Analytical Services -Asheville
Calcium
3690 ug/L
100
1
03/07/2411:30 03/08/2412:53
7440-70-2
Magnesium
5400 ug/L
100
1
03/07/2411:30 03/08/2412:53
7439-95-4
Sodium
354000 ug/L
50000
10
03/07/2411:30 03/11/2412:23
7440-23-5
Sodium Adsorption Ratio, SAR
Analytical Method: EPA 601 OD
Pace Analytical Services -Asheville
Sodium Adsorption Ratio
27.5 meq/L
1
03/14/24 13:54
N2
8260D MSV Low Level
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
Acetone
112 ug/L
25.0
1
03/12/24 05:08
67-64-1
Benzene
<1.0 ug/L
1.0
1
03/12/24 05:08
71-43-2
Bromobenzene
<1.0 ug/L
1.0
1
03/12/24 05:08
108-86-1
Bromochloromethane
<1.0 ug/L
1.0
1
03/12/24 05:08
74-97-5
Bromodichloromethane
<1.0 ug/L
1.0
1
03/12/24 05:08
75-27-4
Bromoform
<1.0 ug/L
1.0
1
03/12/24 05:08
75-25-2
Bromomethane
<2.0 ug/L
2.0
1
03/12/24 05:08
74-83-9
v2
2-Butanone (MEK)
75.9 ug/L
5.0
1
03/12/24 05:08
78-93-3
M1
Carbon tetrachloride
<1.0 ug/L
1.0
1
03/12/24 05:08
56-23-5
Chlorobenzene
<1.0 ug/L
1.0
1
03/12/24 05:08
108-90-7
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC. Page 5 of 36

ANALYTICAL RESULTS
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Sample: Effluent Lab ID: 92716844001 Collected: 03/05/24 14:25 Received: 03/05/24 16:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
8260D MSV Low Level
Analytical Method: EPA 8260D
Pace Analytical
Services - Charlotte
Chloroethane
<1.0
ug/L
1.0
1
03/12/24 05:08
75-00-3
Chloroform
<1.0
ug/L
1.0
1
03/12/24 05:08
67-66-3
Chloromethane
<1.0
ug/L
1.0
1
03/12/24 05:08
74-87-3
2-Chlorotoluene
<1.0
ug/L
1.0
1
03/12/24 05:08
95-49-8
4-Chlorotoluene
<1.0
ug/L
1.0
1
03/12/24 05:08
106-43-4
1,2-Dibromo-3-chloropropane
<2.0
ug/L
2.0
1
03/12/24 05:08
96-12-8
Dibromochloromethane
<1.0
ug/L
1.0
1
03/12/24 05:08
124-48-1
1,2-Dibromoethane (EDB)
<1.0
ug/L
1.0
1
03/12/24 05:08
106-93-4
Dibromomethane
<1.0
ug/L
1.0
1
03/12/24 05:08
74-95-3
1,2-Dichlorobenzene
<1.0
ug/L
1.0
1
03/12/24 05:08
95-50-1
1,3-Dichlorobenzene
<1.0
ug/L
1.0
1
03/12/24 05:08
541-73-1
1,4-Dichlorobenzene
<1.0
ug/L
1.0
1
03/12/24 05:08
106-46-7
Dichlorodifluoromethane
<1.0
ug/L
1.0
1
03/12/24 05:08
75-71-8
1,1-Dichloroethane
<1.0
ug/L
1.0
1
03/12/24 05:08
75-34-3
1,2-Dichloroethane
<1.0
ug/L
1.0
1
03/12/24 05:08
107-06-2
1,1-Dichloroethene
<1.0
ug/L
1.0
1
03/12/24 05:08
75-35-4
cis-1,2-Dichloroethene
<1.0
ug/L
1.0
1
03/12/24 05:08
156-59-2
trans-1,2-Dichloroethene
<1.0
ug/L
1.0
1
03/12/24 05:08
156-60-5
1,2-Dichloropropane
<1.0
ug/L
1.0
1
03/12/24 05:08
78-87-5
1,3-Dichloropropane
<1.0
ug/L
1.0
1
03/12/24 05:08
142-28-9
2,2-Dichloropropane
<1.0
ug/L
1.0
1
03/12/24 05:08
594-20-7
1,1-Dichloropropene
<1.0
ug/L
1.0
1
03/12/24 05:08
563-58-6
cis-1,3-Dichloropropene
<1.0
ug/L
1.0
1
03/12/24 05:08
10061-01-5
trans- 1,3-Dichloropropene
<1.0
ug/L
1.0
1
03/12/24 05:08
10061-02-6
Diisopropyl ether
<1.0
ug/L
1.0
1
03/12/24 05:08
108-20-3
Ethylbenzene
<1.0
ug/L
1.0
1
03/12/24 05:08
100-41-4
Hexachloro-1,3-butadiene
<2.0
ug/L
2.0
1
03/12/24 05:08
87-68-3
2-Hexanone
8.4
ug/L
5.0
1
03/12/24 05:08
591-78-6
p-Isopropyltoluene
<1.0
ug/L
1.0
1
03/12/24 05:08
99-87-6
Methylene Chloride
<5.0
ug/L
5.0
1
03/12/24 05:08
75-09-2
4-Methyl-2-pentanone (MIBK)
6.5
ug/L
5.0
1
03/12/24 05:08
108-10-1
Methyl-tert-butyl ether
<1.0
ug/L
1.0
1
03/12/24 05:08
1634-04-4
Naphthalene
<1.0
ug/L
1.0
1
03/12/24 05:08
91-20-3
Styrene
<1.0
ug/L
1.0
1
03/12/24 05:08
100-42-5
1,1,1,2-Tetrachloroethane
<1.0
ug/L
1.0
1
03/12/24 05:08
630-20-6
1,1,2,2-Tetrachloroethane
<1.0
ug/L
1.0
1
03/12/24 05:08
79-34-5
Tetrachloroethene
<1.0
ug/L
1.0
1
03/12/24 05:08
127-18-4
Toluene
<1.0
ug/L
1.0
1
03/12/24 05:08
108-88-3
1,2,3-Trichlorobenzene
<1.0
ug/L
1.0
1
03/12/24 05:08
87-61-6
1,2,4-Trichlorobenzene
<1.0
ug/L
1.0
1
03/12/24 05:08
120-82-1
1,1,1-Trichloroethane
<1.0
ug/L
1.0
1
03/12/24 05:08
71-55-6
1,1,2-Trichloroethane
<1.0
ug/L
1.0
1
03/12/24 05:08
79-00-5
Trichloroethene
<1.0
ug/L
1.0
1
03/12/24 05:08
79-01-6
Trichlorofluoromethane
<1.0
ug/L
1.0
1
03/12/24 05:08
75-69-4
1,2,3-Trichloropropane
<1.0
ug/L
1.0
1
03/12/24 05:08
96-18-4
Vinyl acetate
<2.0
ug/L
2.0
1
03/12/24 05:08
108-05-4
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC. Page 6 of 36

ANALYTICAL RESULTS
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Sample: Effluent Lab ID: 92716844001 Collected: 03/05/24 14:25 Received: 03/05/24 16:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
8260D MSV Low Level
Vinyl chloride
Xylene (Total)
m&p-Xylene
o-Xylene
Surrogates
4-Bromofluorobenzene (S)
1,2-Dichloroethane-d4 (S)
Toluene-d8 (S)
Total Nitrogen Calculation
Total Nitrogen
350.1 Ammonia
Nitrogen, Ammonia
351.2 Total Kjeldahl Nitrogen
Nitrogen, Kjeldahl, Total
353.2 Nitrogen, NO2/NO3 pres.
Nitrogen, NO2 plus NO3
365.1 Phosphorus, Total
Phosphorus
4500 Chloride
Chloride
Date: 03/14/2024 05:53 PM
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
<1.0 ug/L 1.0
1
03/12/24 05:08
75-01-4
<1.0 ug/L 1.0
1
03/12/24 05:08
1330-20-7
<2.0 ug/L 2.0
1
03/12/24 05:08
179601-23-1
<1.0 ug/L 1.0
1
03/12/24 05:08
95-47-6
96 % 70-130
1
03/12/24 05:08
460-00-4
92 % 70-130
1
03/12/24 05:08
17060-07-0
100 % 70-130
1
03/12/24 05:08
2037-26-5
Analytical Method: TKN+NO3+NO2 Calculation
Pace Analytical Services -Asheville
153 mg/L 0.040
1
03/13/2415:08
Analytical Method: EPA 350.1 Rev 2.0 1993
Pace Analytical Services -Asheville
60.4 mg/L 2.0
20
03/11/2419:56
7664-41-7 M1
Analytical Method: EPA 351.2 Rev 2.0 1993 Preparation
Method: EPA 351.2 Rev 2.0 1993
Pace Analytical Services -Asheville
152 mg/L 5.0
10
03/07/24 18:58 03/08/24 05:34
7727-37-9
Analytical Method: EPA 353.2 Rev 2.0 1993
Pace Analytical Services -Asheville
0.22 mg/L 0.040
1
03/13/2411:59
Analytical Method: EPA 365.1 Rev 2.0 1993 Preparation
Method: EPA 365.1 Rev 2.0 1993
Pace Analytical Services -Asheville
0.52 mg/L 0.050
1
03/08/2411:08 03/08/2414:32
7723-14-0
Analytical Method: SM 4500-CI-E-2011
Pace Analytical Services -Asheville
305 mg/L 20.0
20
03/11/2415:34
16887-00-6 M1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 7 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
Sample: MW-5
Lab ID: 92716844002 Collected:
03/05/24 13:15 Received: 03/05/24 16:00 Matrix: Water
Parameters
Results Units Report Limit
DF Prepared
Analyzed
CAS No. Qual
2540C Total Dissolved Solids
Analytical Method: SM 254OC-2015
Pace Analytical Services - Eden
Total Dissolved Solids
124 mg/L
25.0
1
03/11/24 15:25
353.2 NO2/NO3 unpres EDN
Analytical Method: EPA 353.2 Rev 2.0
1993
Pace Analytical Services - Eden
Nitrogen, Nitrate
0.11 mg/L
0.040
1
03/06/24 10:05
14797-55-8
MBIO 9222D Fecal Coliform EDN
Analytical Method: SM 9222D-2015 Preparation
Method: SM 9222D-2015
Pace Analytical Services - Eden
Fecal Coliforms
<1.0 CFU/100 mL
1.0
1 03/05/24 18:32
03/06/24 17:37
8260D MSV Low Level
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
Acetone
<25.0 ug/L
25.0
1
03/12/24 05:26
67-64-1
Benzene
<1.0 ug/L
1.0
1
03/12/24 05:26
71-43-2
Bromobenzene
<1.0 ug/L
1.0
1
03/12/24 05:26
108-86-1
Bromochloromethane
<1.0 ug/L
1.0
1
03/12/24 05:26
74-97-5
Bromodichloromethane
<1.0 ug/L
1.0
1
03/12/24 05:26
75-27-4
Bromoform
<1.0 ug/L
1.0
1
03/12/24 05:26
75-25-2
Bromomethane
<2.0 ug/L
2.0
1
03/12/24 05:26
74-83-9 v2
2-Butanone (MEK)
<5.0 ug/L
5.0
1
03/12/24 05:26
78-93-3
Carbon tetrachloride
<1.0 ug/L
1.0
1
03/12/24 05:26
56-23-5
Chlorobenzene
<1.0 ug/L
1.0
1
03/12/24 05:26
108-90-7
Chloroethane
<1.0 ug/L
1.0
1
03/12/24 05:26
75-00-3
Chloroform
<1.0 ug/L
1.0
1
03/12/24 05:26
67-66-3
Chloromethane
<1.0 ug/L
1.0
1
03/12/24 05:26
74-87-3
2-Chlorotoluene
<1.0 ug/L
1.0
1
03/12/24 05:26
95-49-8
4-Chlorotoluene
<1.0 ug/L
1.0
1
03/12/24 05:26
106-43-4
1,2-Dibromo-3-chloropropane
<2.0 ug/L
2.0
1
03/12/24 05:26
96-12-8
Dibromochloromethane
<1.0 ug/L
1.0
1
03/12/24 05:26
124-48-1
1,2-Dibromoethane (EDB)
<1.0 ug/L
1.0
1
03/12/24 05:26
106-93-4
Dibromomethane
<1.0 ug/L
1.0
1
03/12/24 05:26
74-95-3
1,2-Dichlorobenzene
<1.0 ug/L
1.0
1
03/12/24 05:26
95-50-1
1,3-Dichlorobenzene
<1.0 ug/L
1.0
1
03/12/24 05:26
541-73-1
1,4-Dichlorobenzene
<1.0 ug/L
1.0
1
03/12/24 05:26
106-46-7
Dichlorodifluoromethane
<1.0 ug/L
1.0
1
03/12/24 05:26
75-71-8
1,1-Dichloroethane
<1.0 ug/L
1.0
1
03/12/24 05:26
75-34-3
1,2-Dichloroethane
<1.0 ug/L
1.0
1
03/12/24 05:26
107-06-2
1,1-Dichloroethene
<1.0 ug/L
1.0
1
03/12/24 05:26
75-35-4
cis-1,2-Dichloroethene
<1.0 ug/L
1.0
1
03/12/24 05:26
156-59-2
trans-1,2-Dichloroethene
<1.0 ug/L
1.0
1
03/12/24 05:26
156-60-5
1,2-Dichloropropane
<1.0 ug/L
1.0
1
03/12/24 05:26
78-87-5
1,3-Dichloropropane
<1.0 ug/L
1.0
1
03/12/24 05:26
142-28-9
2,2-Dichloropropane
<1.0 ug/L
1.0
1
03/12/24 05:26
594-20-7
1,1-Dichloropropene
<1.0 ug/L
1.0
1
03/12/24 05:26
563-58-6
cis-1,3-Dichloropropene
<1.0 ug/L
1.0
1
03/12/24 05:26
10061-01-5
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM
without the written consent of Pace Analytical
Services, LLC.
Page 8 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
Sample: MW-5 Lab ID: 92716844002 Collected: 03/05/24 13:15 Received: 03/05/24 16:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
8260D MSV Low Level
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
trans- 1,3-Dichloropropene
<1.0 ug/L
1.0
1
03/12/24 05:26
10061-02-6
Diisopropyl ether
<1.0 ug/L
1.0
1
03/12/24 05:26
108-20-3
Ethylbenzene
<1.0 ug/L
1.0
1
03/12/24 05:26
100-41-4
Hexachloro-1,3-butadiene
<2.0 ug/L
2.0
1
03/12/24 05:26
87-68-3
2-Hexanone
<5.0 ug/L
5.0
1
03/12/24 05:26
591-78-6
p-Isopropyltoluene
<1.0 ug/L
1.0
1
03/12/24 05:26
99-87-6
Methylene Chloride
<5.0 ug/L
5.0
1
03/12/24 05:26
75-09-2
4-Methyl-2-pentanone (MIBK)
<5.0 ug/L
5.0
1
03/12/24 05:26
108-10-1
Methyl-tert-butyl ether
<1.0 ug/L
1.0
1
03/12/24 05:26
1634-04-4
Naphthalene
<1.0 ug/L
1.0
1
03/12/24 05:26
91-20-3
Styrene
<1.0 ug/L
1.0
1
03/12/24 05:26
100-42-5
1,1,1,2-Tetrachloroethane
<1.0 ug/L
1.0
1
03/12/24 05:26
630-20-6
1,1,2,2-Tetrachloroethane
<1.0 ug/L
1.0
1
03/12/24 05:26
79-34-5
Tetrachloroethene
<1.0 ug/L
1.0
1
03/12/24 05:26
127-18-4
Toluene
<1.0 ug/L
1.0
1
03/12/24 05:26
108-88-3
1,2,3-Trichlorobenzene
<1.0 ug/L
1.0
1
03/12/24 05:26
87-61-6
1,2,4-Trichlorobenzene
<1.0 ug/L
1.0
1
03/12/24 05:26
120-82-1
1,1,1-Trichloroethane
<1.0 ug/L
1.0
1
03/12/24 05:26
71-55-6
1,1,2-Trichloroethane
<1.0 ug/L
1.0
1
03/12/24 05:26
79-00-5
Trichloroethene
<1.0 ug/L
1.0
1
03/12/24 05:26
79-01-6
Trichlorofluoromethane
<1.0 ug/L
1.0
1
03/12/24 05:26
75-69-4
1,2,3-Trichloropropane
<1.0 ug/L
1.0
1
03/12/24 05:26
96-18-4
Vinyl acetate
<2.0 ug/L
2.0
1
03/12/24 05:26
108-05-4
Vinyl chloride
<1.0 ug/L
1.0
1
03/12/24 05:26
75-01-4
Xylene (Total)
<1.0 ug/L
1.0
1
03/12/24 05:26
1330-20-7
m&p-Xylene
<2.0 ug/L
2.0
1
03/12/24 05:26
179601-23-1
o-Xylene
<1.0 ug/L
1.0
1
03/12/24 05:26
95-47-6
Surrogates
4-Bromofluorobenzene (S)
97 %
70-130
1
03/12/24 05:26
460-00-4
1,2-Dichloroethane-d4 (S)
92 %
70-130
1
03/12/24 05:26
17060-07-0
Toluene-d8 (S)
100 %
70-130
1
03/12/24 05:26
2037-26-5
350.1 Ammonia
Analytical Method: EPA 350.1 Rev 2.0 1993
Pace Analytical Services -Asheville
Nitrogen, Ammonia
<0.10 mg/L
0.10
1
03/11/24 20:00
7664-41-7
365.1 Phosphorus, Total
Analytical Method: EPA 365.1 Rev 2.0 1993 Preparation Method: EPA 365.1 Rev 2.0 1993
Pace Analytical Services -Asheville
Phosphorus
0.081 mg/L
0.050
1
03/08/2411:08 03/08/2414:34
7723-14-0
4500 Chloride
Analytical Method: SM 4500-CI-E-2011
Pace Analytical Services -Asheville
Chloride
21.8 mg/L
1.0
1
03/11/2415:38
16887-00-6
Date: 03/14/2024 05:53 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 9 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
Sample: MW-7
Lab ID: 92716844003 Collected:
03/05/24 13:45 Received: 03/05/24 16:00 Matrix: Water
Parameters
Results Units Report Limit
DF Prepared
Analyzed
CAS No. Qual
2540C Total Dissolved Solids
Analytical Method: SM 254OC-2015
Pace Analytical Services - Eden
Total Dissolved Solids
93.0 mg/L
25.0
1
03/11/24 15:26
353.2 NO2/NO3 unpres EDN
Analytical Method: EPA 353.2 Rev 2.0
1993
Pace Analytical Services - Eden
Nitrogen, Nitrate
0.48 mg/L
0.040
1
03/06/24 10:08
14797-55-8
MBIO 9222D Fecal Coliform EDN
Analytical Method: SM 9222D-2015 Preparation
Method: SM 9222D-2015
Pace Analytical Services - Eden
Fecal Coliforms
<1.0 CFU/100 mL
1.0
1 03/05/24 18:32
03/06/24 17:37
8260D MSV Low Level
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
Acetone
<25.0 ug/L
25.0
1
03/12/24 05:45
67-64-1
Benzene
<1.0 ug/L
1.0
1
03/12/24 05:45
71-43-2
Bromobenzene
<1.0 ug/L
1.0
1
03/12/24 05:45
108-86-1
Bromochloromethane
<1.0 ug/L
1.0
1
03/12/24 05:45
74-97-5
Bromodichloromethane
<1.0 ug/L
1.0
1
03/12/24 05:45
75-27-4
Bromoform
<1.0 ug/L
1.0
1
03/12/24 05:45
75-25-2
Bromomethane
<2.0 ug/L
2.0
1
03/12/24 05:45
74-83-9 v2
2-Butanone (MEK)
<5.0 ug/L
5.0
1
03/12/24 05:45
78-93-3
Carbon tetrachloride
<1.0 ug/L
1.0
1
03/12/24 05:45
56-23-5
Chlorobenzene
<1.0 ug/L
1.0
1
03/12/24 05:45
108-90-7
Chloroethane
<1.0 ug/L
1.0
1
03/12/24 05:45
75-00-3
Chloroform
<1.0 ug/L
1.0
1
03/12/24 05:45
67-66-3
Chloromethane
<1.0 ug/L
1.0
1
03/12/24 05:45
74-87-3
2-Chlorotoluene
<1.0 ug/L
1.0
1
03/12/24 05:45
95-49-8
4-Chlorotoluene
<1.0 ug/L
1.0
1
03/12/24 05:45
106-43-4
1,2-Dibromo-3-chloropropane
<2.0 ug/L
2.0
1
03/12/24 05:45
96-12-8
Dibromochloromethane
<1.0 ug/L
1.0
1
03/12/24 05:45
124-48-1
1,2-Dibromoethane (EDB)
<1.0 ug/L
1.0
1
03/12/24 05:45
106-93-4
Dibromomethane
<1.0 ug/L
1.0
1
03/12/24 05:45
74-95-3
1,2-Dichlorobenzene
<1.0 ug/L
1.0
1
03/12/24 05:45
95-50-1
1,3-Dichlorobenzene
<1.0 ug/L
1.0
1
03/12/24 05:45
541-73-1
1,4-Dichlorobenzene
<1.0 ug/L
1.0
1
03/12/24 05:45
106-46-7
Dichlorodifluoromethane
<1.0 ug/L
1.0
1
03/12/24 05:45
75-71-8
1,1-Dichloroethane
<1.0 ug/L
1.0
1
03/12/24 05:45
75-34-3
1,2-Dichloroethane
<1.0 ug/L
1.0
1
03/12/24 05:45
107-06-2
1,1-Dichloroethene
<1.0 ug/L
1.0
1
03/12/24 05:45
75-35-4
cis-1,2-Dichloroethene
<1.0 ug/L
1.0
1
03/12/24 05:45
156-59-2
trans-1,2-Dichloroethene
<1.0 ug/L
1.0
1
03/12/24 05:45
156-60-5
1,2-Dichloropropane
<1.0 ug/L
1.0
1
03/12/24 05:45
78-87-5
1,3-Dichloropropane
<1.0 ug/L
1.0
1
03/12/24 05:45
142-28-9
2,2-Dichloropropane
<1.0 ug/L
1.0
1
03/12/24 05:45
594-20-7
1,1-Dichloropropene
<1.0 ug/L
1.0
1
03/12/24 05:45
563-58-6
cis-1,3-Dichloropropene
<1.0 ug/L
1.0
1
03/12/24 05:45
10061-01-5
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM
without the written consent of Pace Analytical
Services, LLC.
Page 10 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
Sample: MW-7 Lab ID: 92716844003 Collected: 03/05/24 13:45 Received: 03/05/24 16:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
8260D MSV Low Level
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
trans- 1,3-Dichloropropene
<1.0 ug/L
1.0
1
03/12/24 05:45
10061-02-6
Diisopropyl ether
<1.0 ug/L
1.0
1
03/12/24 05:45
108-20-3
Ethylbenzene
<1.0 ug/L
1.0
1
03/12/24 05:45
100-41-4
Hexachloro-1,3-butadiene
<2.0 ug/L
2.0
1
03/12/24 05:45
87-68-3
2-Hexanone
<5.0 ug/L
5.0
1
03/12/24 05:45
591-78-6
p-Isopropyltoluene
<1.0 ug/L
1.0
1
03/12/24 05:45
99-87-6
Methylene Chloride
<5.0 ug/L
5.0
1
03/12/24 05:45
75-09-2
4-Methyl-2-pentanone (MIBK)
<5.0 ug/L
5.0
1
03/12/24 05:45
108-10-1
Methyl-tert-butyl ether
<1.0 ug/L
1.0
1
03/12/24 05:45
1634-04-4
Naphthalene
<1.0 ug/L
1.0
1
03/12/24 05:45
91-20-3
Styrene
<1.0 ug/L
1.0
1
03/12/24 05:45
100-42-5
1,1,1,2-Tetrachloroethane
<1.0 ug/L
1.0
1
03/12/24 05:45
630-20-6
1,1,2,2-Tetrachloroethane
<1.0 ug/L
1.0
1
03/12/24 05:45
79-34-5
Tetrachloroethene
<1.0 ug/L
1.0
1
03/12/24 05:45
127-18-4
Toluene
<1.0 ug/L
1.0
1
03/12/24 05:45
108-88-3
1,2,3-Trichlorobenzene
<1.0 ug/L
1.0
1
03/12/24 05:45
87-61-6
1,2,4-Trichlorobenzene
<1.0 ug/L
1.0
1
03/12/24 05:45
120-82-1
1,1,1-Trichloroethane
<1.0 ug/L
1.0
1
03/12/24 05:45
71-55-6
1,1,2-Trichloroethane
<1.0 ug/L
1.0
1
03/12/24 05:45
79-00-5
Trichloroethene
<1.0 ug/L
1.0
1
03/12/24 05:45
79-01-6
Trichlorofluoromethane
<1.0 ug/L
1.0
1
03/12/24 05:45
75-69-4
1,2,3-Trichloropropane
<1.0 ug/L
1.0
1
03/12/24 05:45
96-18-4
Vinyl acetate
<2.0 ug/L
2.0
1
03/12/24 05:45
108-05-4
Vinyl chloride
<1.0 ug/L
1.0
1
03/12/24 05:45
75-01-4
Xylene (Total)
<1.0 ug/L
1.0
1
03/12/24 05:45
1330-20-7
m&p-Xylene
<2.0 ug/L
2.0
1
03/12/24 05:45
179601-23-1
o-Xylene
<1.0 ug/L
1.0
1
03/12/24 05:45
95-47-6
Surrogates
4-Bromofluorobenzene (S)
97 %
70-130
1
03/12/24 05:45
460-00-4
1,2-Dichloroethane-d4 (S)
92 %
70-130
1
03/12/24 05:45
17060-07-0
Toluene-d8 (S)
100 %
70-130
1
03/12/24 05:45
2037-26-5
350.1 Ammonia
Analytical Method: EPA 350.1 Rev 2.0 1993
Pace Analytical Services -Asheville
Nitrogen, Ammonia
<0.10 mg/L
0.10
1
03/11/24 20:04
7664-41-7
365.1 Phosphorus, Total
Analytical Method: EPA 365.1 Rev 2.0 1993 Preparation Method: EPA 365.1 Rev 2.0 1993
Pace Analytical Services -Asheville
Phosphorus
0.22 mg/L
0.050
1
03/08/2411:08 03/08/2414:35
7723-14-0
4500 Chloride
Analytical Method: SM 4500-CI-E-2011
Pace Analytical Services -Asheville
Chloride
2.3 mg/L
1.0
1
03/11/2415:41
16887-00-6
Date: 03/14/2024 05:53 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 11 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
Sample: MW-9
Lab ID: 92716844004 Collected:
03/05/24 12:45 Received: 03/05/24 16:00 Matrix: Water
Parameters
Results Units Report Limit
DF Prepared
Analyzed
CAS No. Qual
2540C Total Dissolved Solids
Analytical Method: SM 254OC-2015
Pace Analytical Services - Eden
Total Dissolved Solids
33.0 mg/L
25.0
1
03/11/24 15:26
353.2 NO2/NO3 unpres EDN
Analytical Method: EPA 353.2 Rev 2.0
1993
Pace Analytical Services - Eden
Nitrogen, Nitrate
1.6 mg/L
0.040
1
03/06/24 10:04
14797-55-8
MBIO 9222D Fecal Coliform EDN
Analytical Method: SM 9222D-2015 Preparation
Method: SM 9222D-2015
Pace Analytical Services - Eden
Fecal Coliforms
<1.0 CFU/100 mL
1.0
1 03/05/24 18:32
03/06/24 17:37
8260D MSV Low Level
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
Acetone
<25.0 ug/L
25.0
1
03/12/24 06:03
67-64-1
Benzene
<1.0 ug/L
1.0
1
03/12/24 06:03
71-43-2
Bromobenzene
<1.0 ug/L
1.0
1
03/12/24 06:03
108-86-1
Bromochloromethane
<1.0 ug/L
1.0
1
03/12/24 06:03
74-97-5
Bromodichloromethane
<1.0 ug/L
1.0
1
03/12/24 06:03
75-27-4
Bromoform
<1.0 ug/L
1.0
1
03/12/24 06:03
75-25-2
Bromomethane
<2.0 ug/L
2.0
1
03/12/24 06:03
74-83-9 v2
2-Butanone (MEK)
<5.0 ug/L
5.0
1
03/12/24 06:03
78-93-3
Carbon tetrachloride
<1.0 ug/L
1.0
1
03/12/24 06:03
56-23-5
Chlorobenzene
<1.0 ug/L
1.0
1
03/12/24 06:03
108-90-7
Chloroethane
<1.0 ug/L
1.0
1
03/12/24 06:03
75-00-3
Chloroform
<1.0 ug/L
1.0
1
03/12/24 06:03
67-66-3
Chloromethane
<1.0 ug/L
1.0
1
03/12/24 06:03
74-87-3
2-Chlorotoluene
<1.0 ug/L
1.0
1
03/12/24 06:03
95-49-8
4-Chlorotoluene
<1.0 ug/L
1.0
1
03/12/24 06:03
106-43-4
1,2-Dibromo-3-chloropropane
<2.0 ug/L
2.0
1
03/12/24 06:03
96-12-8
Dibromochloromethane
<1.0 ug/L
1.0
1
03/12/24 06:03
124-48-1
1,2-Dibromoethane (EDB)
<1.0 ug/L
1.0
1
03/12/24 06:03
106-93-4
Dibromomethane
<1.0 ug/L
1.0
1
03/12/24 06:03
74-95-3
1,2-Dichlorobenzene
<1.0 ug/L
1.0
1
03/12/24 06:03
95-50-1
1,3-Dichlorobenzene
<1.0 ug/L
1.0
1
03/12/24 06:03
541-73-1
1,4-Dichlorobenzene
<1.0 ug/L
1.0
1
03/12/24 06:03
106-46-7
Dichlorodifluoromethane
<1.0 ug/L
1.0
1
03/12/24 06:03
75-71-8
1,1-Dichloroethane
<1.0 ug/L
1.0
1
03/12/24 06:03
75-34-3
1,2-Dichloroethane
<1.0 ug/L
1.0
1
03/12/24 06:03
107-06-2
1,1-Dichloroethene
<1.0 ug/L
1.0
1
03/12/24 06:03
75-35-4
cis-1,2-Dichloroethene
<1.0 ug/L
1.0
1
03/12/24 06:03
156-59-2
trans-1,2-Dichloroethene
<1.0 ug/L
1.0
1
03/12/24 06:03
156-60-5
1,2-Dichloropropane
<1.0 ug/L
1.0
1
03/12/24 06:03
78-87-5
1,3-Dichloropropane
<1.0 ug/L
1.0
1
03/12/24 06:03
142-28-9
2,2-Dichloropropane
<1.0 ug/L
1.0
1
03/12/24 06:03
594-20-7
1,1-Dichloropropene
<1.0 ug/L
1.0
1
03/12/24 06:03
563-58-6
cis-1,3-Dichloropropene
<1.0 ug/L
1.0
1
03/12/24 06:03
10061-01-5
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM
without the written consent of Pace Analytical
Services, LLC.
Page 12 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
Sample: MW-9 Lab ID: 92716844004 Collected: 03/05/24 12:45 Received: 03/05/24 16:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
8260D MSV Low Level
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
trans- 1,3-Dichloropropene
<1.0 ug/L
1.0
1
03/12/24 06:03
10061-02-6
Diisopropyl ether
<1.0 ug/L
1.0
1
03/12/24 06:03
108-20-3
Ethylbenzene
<1.0 ug/L
1.0
1
03/12/24 06:03
100-41-4
Hexachloro-1,3-butadiene
<2.0 ug/L
2.0
1
03/12/24 06:03
87-68-3
2-Hexanone
<5.0 ug/L
5.0
1
03/12/24 06:03
591-78-6
p-Isopropyltoluene
<1.0 ug/L
1.0
1
03/12/24 06:03
99-87-6
Methylene Chloride
<5.0 ug/L
5.0
1
03/12/24 06:03
75-09-2
4-Methyl-2-pentanone (MIBK)
<5.0 ug/L
5.0
1
03/12/24 06:03
108-10-1
Methyl-tert-butyl ether
<1.0 ug/L
1.0
1
03/12/24 06:03
1634-04-4
Naphthalene
<1.0 ug/L
1.0
1
03/12/24 06:03
91-20-3
Styrene
<1.0 ug/L
1.0
1
03/12/24 06:03
100-42-5
1,1,1,2-Tetrachloroethane
<1.0 ug/L
1.0
1
03/12/24 06:03
630-20-6
1,1,2,2-Tetrachloroethane
<1.0 ug/L
1.0
1
03/12/24 06:03
79-34-5
Tetrachloroethene
<1.0 ug/L
1.0
1
03/12/24 06:03
127-18-4
Toluene
<1.0 ug/L
1.0
1
03/12/24 06:03
108-88-3
1,2,3-Trichlorobenzene
<1.0 ug/L
1.0
1
03/12/24 06:03
87-61-6
1,2,4-Trichlorobenzene
<1.0 ug/L
1.0
1
03/12/24 06:03
120-82-1
1,1,1-Trichloroethane
<1.0 ug/L
1.0
1
03/12/24 06:03
71-55-6
1,1,2-Trichloroethane
<1.0 ug/L
1.0
1
03/12/24 06:03
79-00-5
Trichloroethene
<1.0 ug/L
1.0
1
03/12/24 06:03
79-01-6
Trichlorofluoromethane
<1.0 ug/L
1.0
1
03/12/24 06:03
75-69-4
1,2,3-Trichloropropane
<1.0 ug/L
1.0
1
03/12/24 06:03
96-18-4
Vinyl acetate
<2.0 ug/L
2.0
1
03/12/24 06:03
108-05-4
Vinyl chloride
<1.0 ug/L
1.0
1
03/12/24 06:03
75-01-4
Xylene (Total)
<1.0 ug/L
1.0
1
03/12/24 06:03
1330-20-7
m&p-Xylene
<2.0 ug/L
2.0
1
03/12/24 06:03
179601-23-1
o-Xylene
<1.0 ug/L
1.0
1
03/12/24 06:03
95-47-6
Surrogates
4-Bromofluorobenzene (S)
96 %
70-130
1
03/12/24 06:03
460-00-4
1,2-Dichloroethane-d4 (S)
91 %
70-130
1
03/12/24 06:03
17060-07-0
Toluene-d8 (S)
100 %
70-130
1
03/12/24 06:03
2037-26-5
350.1 Ammonia
Analytical Method: EPA 350.1 Rev 2.0 1993
Pace Analytical Services -Asheville
Nitrogen, Ammonia
<0.10 mg/L
0.10
1
03/11/24 20:06
7664-41-7
365.1 Phosphorus, Total
Analytical Method: EPA 365.1 Rev 2.0 1993 Preparation Method: EPA 365.1 Rev 2.0 1993
Pace Analytical Services -Asheville
Phosphorus
<0.050 mg/L
0.050
1
03/08/2411:08 03/08/2414:37
7723-14-0
4500 Chloride
Analytical Method: SM 4500-CI-E-2011
Pace Analytical Services -Asheville
Chloride
5.5 mg/L
1.0
1
03/11/2415:45
16887-00-6
Date: 03/14/2024 05:53 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 13 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
QC Batch: 837661 Analysis Method: SM 2540C-2015
QC Batch Method: SM 2540C-2015 Analysis Description: 2540C Total Dissolved Solids
Laboratory: Pace Analytical Services - Eden
Associated Lab Samples: 92716844001, 92716844002, 92716844003, 92716844004
METHOD BLANK: 4327307
Matrix:
Water
Associated Lab Samples: 92716844001, 92716844002, 92716844003, 92716844004
Blank
Reporting
Parameter
Units
Result
Limit
Analyzed Qualifiers
Total Dissolved Solids
mg/L
<25.0
25.0
03/11/24 15:25
LABORATORY CONTROL SAMPLE:
4327308
Spike
LCS
LCS % Rec
Parameter
Units
Conc.
Result
% Rec Limits Qualifiers
Total Dissolved Solids
mg/L
250
242
97 90-110
SAMPLE DUPLICATE: 4327309
92716552001 Dup
Parameter Units Result Result RPD Qualifiers
Total Dissolved Solids mg/L 2130 2240 5
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC.
Page 14 of 36

QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
QC Batch: 836956 Analysis Method: SM 2540D-2015
QC Batch Method: SM 2540D-2015 Analysis Description: 2540D Total Suspended Solids
Laboratory: Pace Analytical Services - Eden
Associated Lab Samples: 92716844001
METHOD BLANK: 4323154
Associated Lab Samples: 92716844001
Parameter
Units
Total Suspended Solids
mg/L
LABORATORY CONTROL SAMPLE:
4323155
Parameter
Units
Total Suspended Solids
mg/L
SAMPLE DUPLICATE: 4323156
Parameter
Units
Total Suspended Solids
mg/L
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
<2.5 2.5 03/06/2414:07
Spike LCS LCS % Rec
Conc. Result % Rec Limits Qualifiers
250 242 97 90-110
92716598001 Dup
Result Result RPD Qualifiers
380 392 3
SAMPLE DUPLICATE: 4323157
92716822001 Dup
Parameter Units Result Result
Total Suspended Solids mg/L 6.6 9.8
RPD Qualifiers
39 D6
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC. Page 15 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
QC Batch: 836963
Analysis Method: EPA 353.2 Rev 2.0 1993
QC Batch Method: EPA 353.2 Rev 2.0 1993
Analysis Description: 353.2 Nitrate + Nitrite, Unpres. EDN
Laboratory: Pace Analytical Services - Eden
Associated Lab Samples: 92716844001, 92716844002,
92716844003, 92716844004
METHOD BLANK: 4323203
Matrix: Water
Associated Lab Samples: 92716844001, 92716844002,
92716844003, 92716844004
Blank Reporting
Parameter Units
Result Limit
Analyzed Qualifiers
Nitrogen, Nitrate mg/L
<0.040 0.040
03/06/24 09:55
Nitrogen, Nitrite mg/L
<0.040 0.040
03/06/24 09:55
LABORATORY CONTROL SAMPLE: 4323204
Spike LCS
LCS % Rec
Parameter Units
Conc. Result
% Rec Limits Qualifiers
Nitrogen, Nitrate mg/L
1.5 1.4
96 90-110
Nitrogen, Nitrite mg/L
1 1.1
105 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4323208 4323209
MS MSD
92716677006
Spike Spike MS
MSD MS MSD
% Rec
Parameter Units Result
Conc. Conc. Result
Result % Rec % Rec
Limits RPD Qual
Nitrogen, Nitrate mg/L 2.1
1.5 1.5 3.4
3.4 89 88
90-110 0
Nitrogen, Nitrite mg/L ND
1 1 1.0
1.0 102 102
90-110 0
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4323253 4323254
MS MSD
92716677003
Spike Spike MS
MSD MS MSD
% Rec
Parameter Units Result
Conc. Conc. Result
Result % Rec % Rec
Limits RPD Qual
Nitrogen, Nitrate mg/L 0.63
1.5 1.5 2.0
2.0 94 94
90-110 0
Nitrogen, Nitrite mg/L ND
1 1 1.0
1.1 103 103
90-110 0
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC.
Page 16 of 36

QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
QC Batch: 836975 Analysis Method: SM 521 OB-2016
QC Batch Method: SM 521OB-2016 Analysis Description: 5210E BOD, 5 day Final EDN
Laboratory: Pace Analytical Services - Eden
Associated Lab Samples: 92716844001
METHOD BLANK: 4323235
Associated Lab Samples: 92716844001
Parameter Units
BOD, 5 day mg/L
LABORATORY CONTROL SAMPLE: 4323236
Parameter Units
BOD, 5 day mg/L
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
<2.0 2.0 03/11/24 09:06
Spike LCS LCS % Rec
Conc. Result % Rec Limits Qualifiers
198 206 104 84.6-115
SAMPLE DUPLICATE: 4323238
92716831002 Dup
Parameter Units Result Result
BOD, 5 day mg/L 145 135
RPD Qualifiers
7
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC. Page 17 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
QC Batch: 836960 Analysis Method: SM 9222D-2015
QC Batch Method: SM 9222D-2015 Analysis Description: 9222D Fecal Coliform( MF)-EDN
Laboratory: Pace Analytical Services - Eden
Associated Lab Samples: 92716844001, 92716844002, 92716844003, 92716844004
METHOD BLANK: 4323187 Matrix: Water
Associated Lab Samples: 92716844001, 92716844002, 92716844003, 92716844004
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Fecal Coliforms CFU/100 mL <1.0 1.0 03/06/24 17:37
METHOD BLANK: 4323189 Matrix: Water
Associated Lab Samples: 92716844001, 92716844002, 92716844003, 92716844004
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Fecal Coliforms CFU/100 mL <1.0 1.0 03/06/24 17:37
METHOD BLANK: 4323190 Matrix: Water
Associated Lab Samples: 92716844001, 92716844002, 92716844003, 92716844004
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Fecal Coliforms CFU/100 mL <1.0 1.0 03/06/24 17:37
SAMPLE DUPLICATE: 4323188
92716844004 Dup
Parameter Units Result Result RPD Qualifiers
Fecal Coliforms CFU/100 mL <1.0 <1.0
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC.
Page 18 of 36

QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
QC Batch: 837650 Analysis Method: EPA 1664B
QC Batch Method: EPA 1664E Analysis Description: 1664 HEM, Oil and Grease
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92716844001
METHOD BLANK: 4327285
Associated Lab Samples: 92716844001
Parameter
Units
Oil and Grease
mg/L
LABORATORY CONTROL SAMPLE:
4327286
Parameter
Units
Oil and Grease
mg/L
MATRIX SPIKE SAMPLE:
4327287
Parameter
Units
Oil and Grease
mg/L
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
<5.0 5.0 03/08/2412:00
Spike LCS LCS % Rec
Conc. Result % Rec Limits Qualifiers
40 32.1 80 78-114
92716646001 Spike MS MS % Rec
Result Conc. Result % Rec Limits Qualifiers
ND 39.6 32.3 80 78-114
SAMPLE DUPLICATE: 4327288
92716646003 Dup
Parameter Units Result Result
Oil and Grease mg/L ND <5.0
RPD Qualifiers
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC. Page 19 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
QC Batch: 837311 Analysis Method: EPA 200.7 Rev 4.4 1994
QC Batch Method: EPA 200.7 Rev 4.4 1994 Analysis Description: 200.7 MET
Laboratory: Pace Analytical Services -Asheville
Associated Lab Samples: 92716844001
METHOD BLANK: 4325415
Matrix:
Water
Associated Lab Samples: 92716844001
Blank
Reporting
Parameter
Units
Result
Limit
Analyzed Qualifiers
Calcium
ug/L
<100
100
03/08/2412:39
Magnesium
ug/L
<100
100
03/08/2412:39
Sodium
ug/L
<5000
5000
03/08/2412:39
LABORATORY CONTROL SAMPLE:
4325416
Spike
LCS LCS
% Rec
Parameter
Units
Conc.
Result % Rec
Limits Qualifiers
Calcium
ug/L
5000
5210 104
85-115
Magnesium
ug/L
5000
4940 99
85-115
Sodium
ug/L
5000
5230 105
85-115
MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
4325417
4325418
MS
MSD
92717054001
Spike
Spike
MS
MSD
MS
MSD
% Rec
Parameter Units
Result
Conc.
Conc.
Result
Result
% Rec
% Rec
Limits RPD Qual
Calcium ug/L
22100
5000
5000
26900
27500
98
109
70-130 2
Magnesium ug/L
1470
5000
5000
7190
7220
114
115
70-130 0
Sodium ug/L
354000
5000
5000
335000
318000
416
67
70-130 5
MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
4325419
4325420
MS
MSD
92717089002
Spike
Spike
MS
MSD
MS
MSD
% Rec
Parameter Units
Result
Conc.
Conc.
Result
Result
% Rec
% Rec
Limits RPD Qual
Calcium ug/L
1050
5000
5000
6300
5750
105
94
70-130 9
Magnesium ug/L
218
5000
5000
5170
4740
99
91
70-130 9
Sodium ug/L
ND
5000
5000
5420
<5000
100
90
70-130
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC.
Page 20 of 36

QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
QC Batch: 838163 Analysis Method: EPA 8260D
QC Batch Method: EPA 8260D Analysis Description: 8260D MSV Low Level
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92716844001, 92716844002, 92716844003, 92716844004
METHOD BLANK: 4329689 Matrix: Water
Associated Lab Samples: 92716844001, 92716844002, 92716844003, 92716844004
Blank Reporting
Parameter Units Result Limit
Analyzed
1,1,1,2-Tetrachloroethane
ug/L
<1.0
1.0
03/12/24 04:14
1,1,1-Trichloroethane
ug/L
<1.0
1.0
03/12/24 04:14
1,1,2,2-Tetrachloroethane
ug/L
<1.0
1.0
03/12/24 04:14
1,1,2-Trichloroethane
ug/L
<1.0
1.0
03/12/24 04:14
1,1-Dichloroethane
ug/L
<1.0
1.0
03/12/24 04:14
1,1-Dichloroethene
ug/L
<1.0
1.0
03/12/24 04:14
1,1-Dichloropropene
ug/L
<1.0
1.0
03/12/24 04:14
1,2,3-Trichlorobenzene
ug/L
<1.0
1.0
03/12/24 04:14
1,2,3-Trichloropropane
ug/L
<1.0
1.0
03/12/24 04:14
1,2,4-Trichlorobenzene
ug/L
<1.0
1.0
03/12/24 04:14
1,2-Dibromo-3-chloropropane
ug/L
<2.0
2.0
03/12/24 04:14
1,2-Dibromoethane (EDB)
ug/L
<1.0
1.0
03/12/24 04:14
1,2-Dichlorobenzene
ug/L
<1.0
1.0
03/12/24 04:14
1,2-Dichloroethane
ug/L
<1.0
1.0
03/12/24 04:14
1,2-Dichloropropane
ug/L
<1.0
1.0
03/12/24 04:14
1,3-Dichlorobenzene
ug/L
<1.0
1.0
03/12/24 04:14
1,3-Dichloropropane
ug/L
<1.0
1.0
03/12/24 04:14
1,4-Dichlorobenzene
ug/L
<1.0
1.0
03/12/24 04:14
2,2-Dichloropropane
ug/L
<1.0
1.0
03/12/24 04:14
2-Butanone (MEK)
ug/L
<5.0
5.0
03/12/24 04:14
2-Chlorotoluene
ug/L
<1.0
1.0
03/12/24 04:14
2-Hexanone
ug/L
<5.0
5.0
03/12/24 04:14
4-Chlorotoluene
ug/L
<1.0
1.0
03/12/24 04:14
4-Methyl-2-pentanone (MIBK)
ug/L
<5.0
5.0
03/12/24 04:14
Acetone
ug/L
<25.0
25.0
03/12/24 04:14
Benzene
ug/L
<1.0
1.0
03/12/24 04:14
Bromobenzene
ug/L
<1.0
1.0
03/12/24 04:14
Bromochloromethane
ug/L
<1.0
1.0
03/12/24 04:14
Bromodichloromethane
ug/L
<1.0
1.0
03/12/24 04:14
Bromoform
ug/L
<1.0
1.0
03/12/24 04:14
Bromomethane
ug/L
<2.0
2.0
03/12/24 04:14 v2
Carbon tetrachloride
ug/L
<1.0
1.0
03/12/24 04:14
Chlorobenzene
ug/L
<1.0
1.0
03/12/24 04:14
Chloroethane
ug/L
<1.0
1.0
03/12/24 04:14
Chloroform
ug/L
<1.0
1.0
03/12/24 04:14
Chloromethane
ug/L
<1.0
1.0
03/12/24 04:14
cis-1,2-Dichloroethene
ug/L
<1.0
1.0
03/12/24 04:14
cis-1,3-Dichloropropene
ug/L
<1.0
1.0
03/12/24 04:14
Dibromochloromethane
ug/L
<1.0
1.0
03/12/24 04:14
Dibromomethane
ug/L
<1.0
1.0
03/12/24 04:14
Qualifiers
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC. Page 21 of 36

QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
METHOD BLANK: 4329689 Matrix: Water
Associated Lab Samples: 92716844001, 92716844002, 92716844003, 92716844004
Blank Reporting
Parameter Units Result Limit
Analyzed
Dichlorodifluoromethane
ug/L
<1.0
1.0
03/12/24 04:14
Diisopropyl ether
ug/L
<1.0
1.0
03/12/24 04:14
Ethylbenzene
ug/L
<1.0
1.0
03/12/24 04:14
Hexachloro-1,3-butadiene
ug/L
<2.0
2.0
03/12/24 04:14
m&p-Xylene
ug/L
<2.0
2.0
03/12/24 04:14
Methyl-tert-butyl ether
ug/L
<1.0
1.0
03/12/24 04:14
Methylene Chloride
ug/L
<5.0
5.0
03/12/24 04:14
Naphthalene
ug/L
<1.0
1.0
03/12/24 04:14
o-Xylene
ug/L
<1.0
1.0
03/12/24 04:14
p-Isopropyltoluene
ug/L
<1.0
1.0
03/12/24 04:14
Styrene
ug/L
<1.0
1.0
03/12/24 04:14
Tetrachloroethene
ug/L
<1.0
1.0
03/12/24 04:14
Toluene
ug/L
<1.0
1.0
03/12/24 04:14
trans-1,2-Dichloroethene
ug/L
<1.0
1.0
03/12/24 04:14
trans- 1,3-Dichloropropene
ug/L
<1.0
1.0
03/12/24 04:14
Trichloroethene
ug/L
<1.0
1.0
03/12/24 04:14
Trichlorofluoromethane
ug/L
<1.0
1.0
03/12/24 04:14
Vinyl acetate
ug/L
<2.0
2.0
03/12/24 04:14
Vinyl chloride
ug/L
<1.0
1.0
03/12/24 04:14
Xylene (Total)
ug/L
<1.0
1.0
03/12/24 04:14
1,2-Dichloroethane-d4 (S)
%
90
70-130
03/12/24 04:14
4-Bromofluorobenzene (S)
%
97
70-130
03/12/24 04:14
Toluene-d8 (S)
%
100
70-130
03/12/24 04:14
Qualifiers
LABORATORY CONTROL SAMPLE:
Parameter
4329690
Units
Spike
Conc.
LCS
Result
LCS
% Rec
% Rec
Limits
1,1,1,2-Tetrachloroethane
ug/L
20
20.0
100
70-130
1,1,1-Trichloroethane
ug/L
20
19.8
99
70-130
1,1,2,2-Tetrachloroethane
ug/L
20
19.9
99
70-130
1,1,2-Trichloroethane
ug/L
20
20.6
103
70-130
1,1-Dichloroethane
ug/L
20
19.1
95
70-130
1,1-Dichloroethene
ug/L
20
19.9
100
69-131
1,1-Dichloropropene
ug/L
20
20.1
101
70-132
1,2,3-Trichlorobenzene
ug/L
20
20.1
100
70-132
1,2,3-Trichloropropane
ug/L
20
20.4
102
70-130
1,2,4-Trichlorobenzene
ug/L
20
19.9
100
70-130
1,2-Dibromo-3-chloropropane
ug/L
20
19.4
97
70-130
1,2-Dibromoethane (EDB)
ug/L
20
20.0
100
70-130
1,2-Dichlorobenzene
ug/L
20
21.2
106
70-130
1,2-Dichloroethane
ug/L
20
20.0
100
70-130
1,2-Dichloropropane
ug/L
20
20.4
102
70-130
1,3-Dichlorobenzene
ug/L
20
21.0
105
70-130
1,3-Dichloropropane
ug/L
20
20.0
100
70-130
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Qualifiers
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC. Page 22 of 36

QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
LABORATORY CONTROL SAMPLE:
Parameter
4329690
Units
Spike
Conc.
1,4-Dichlorobenzene
ug/L
20
2,2-Dichloropropane
ug/L
20
2-Butanone (MEK)
ug/L
40
2-Chlorotoluene
ug/L
20
2-Hexanone
ug/L
40
4-Chlorotoluene
ug/L
20
4-Methyl-2-pentanone (MIBK)
ug/L
40
Acetone
ug/L
40
Benzene
ug/L
20
Bromobenzene
ug/L
20
Bromochloromethane
ug/L
20
Bromodichloromethane
ug/L
20
Bromoform
ug/L
20
Bromomethane
ug/L
20
Carbon tetrachloride
ug/L
20
Chlorobenzene
ug/L
20
Chloroethane
ug/L
20
Chloroform
ug/L
20
Chloromethane
ug/L
20
cis-1,2-Dichloroethene
ug/L
20
cis-1,3-Dichloropropene
ug/L
20
Dibromochloromethane
ug/L
20
Dibromomethane
ug/L
20
Dichlorodifluoromethane
ug/L
20
Diisopropyl ether
ug/L
20
Ethylbenzene
ug/L
20
Hexachloro-1,3-butadiene
ug/L
20
m&p-Xylene
ug/L
40
Methyl-tert-butyl ether
ug/L
20
Methylene Chloride
ug/L
20
Naphthalene
ug/L
20
o-Xylene
ug/L
20
p-Isopropyltoluene
ug/L
20
Styrene
ug/L
20
Tetrachloroethene
ug/L
20
Toluene
ug/L
20
trans-1,2-Dichloroethene
ug/L
20
trans- 1,3-Dichloropropene
ug/L
20
Trichloroethene
ug/L
20
Trichlorofluoromethane
ug/L
20
Vinyl acetate
ug/L
40
Vinyl chloride
ug/L
20
Xylene (Total)
ug/L
60
1,2-Dichloroethane-d4 (S)
%
4-Bromofluorobenzene (S)
%
Toluene-d8 (S)
%
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
LCS
Result
LCS
% Rec
% Rec
Limits Qualifiers
21.4
107
70-130
19.0
95
69-130
34.4
86
67-133
20.7
104
70-130
35.2
88
70-133
20.9
104
70-130
34.9
87
70-130
33.8
85
67-130
20.4
102
70-130
20.5
102
70-130
21.1
105
70-130
20.3
102
70-130
19.0
95
70-133
16.3
82
41-148 v3
20.4
102
70-130
21.0
105
70-130
21.6
108
41-157
19.6
98
70-130
18.8
94
59-141
19.3
96
70-130
19.8
99
70-130
19.8
99
70-130
21.4
107
70-130
20.6
103
54-147
17.7
89
70-130
20.3
101
70-130
20.3
102
70-134
40.8
102
70-130
18.2
91
70-130
18.8
94
62-130
20.7
103
70-135
20.6
103
70-130
19.9
99
70-130
20.5
102
70-130
20.9
104
70-130
20.3
102
70-130
19.3
97
70-130
19.4
97
70-130
21.7
109
70-130
20.8
104
57-130
39.0
97
70-141
18.1
91
66-140
61.4
102
70-130
94
70-130
97
70-130
98
70-130
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC. Page 23 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
MATRIX SPIKE SAMPLE: 4329691
92716844001
Spike
MS
MS
% Rec
Parameter
Units
Result
Conc.
Result
% Rec
Limits Qualifiers
1,1,1,2-Tetrachloroethane
ug/L
<1.0
20
22.6
113
70-146
1,1,1-Trichloroethane
ug/L
<1.0
20
27.4
137
70-150
1,1,2,2-Tetrachloroethane
ug/L
<1.0
20
23.0
115
66-144
1,1,2-Trichloroethane
ug/L
<1.0
20
25.7
128
70-142
1,1-Dichloroethane
ug/L
<1.0
20
26.4
132
68-150
1,1-Dichloroethene
ug/L
<1.0
20
28.4
142
64-162
1,1-Dichloropropene
ug/L
<1.0
20
28.0
140
70-160 v1
1,2,3-Trichlorobenzene
ug/L
<1.0
20
19.0
95
66-151
1,2,3-Trichloropropane
ug/L
<1.0
20
21.3
107
66-144
1,2,4-Trichlorobenzene
ug/L
<1.0
20
18.4
92
69-147
1,2-Dibromo-3-chloropropane
ug/L
<2.0
20
22.4
112
62-146
1,2-Dibromoethane (EDB)
ug/L
<1.0
20
24.2
121
70-143
1,2-Dichlorobenzene
ug/L
<1.0
20
20.8
104
70-142
1,2-Dichloroethane
ug/L
<1.0
20
23.4
117
68-145
1,2-Dichloropropane
ug/L
<1.0
20
27.2
136
70-144
1,3-Dichlorobenzene
ug/L
<1.0
20
21.4
107
70-142
1,3-Dichloropropane
ug/L
<1.0
20
23.2
116
70-141
1,4-Dichlorobenzene
ug/L
<1.0
20
21.6
108
70-140
2,2-Dichloropropane
ug/L
<1.0
20
29.7
149
58-160
2-Butanone (MEK)
ug/L
75.9
40
154
196
57-156 M1
2-Chlorotoluene
ug/L
<1.0
20
21.1
106
70-148
2-Hexanone
ug/L
8.4
40
55.1
117
62-153
4-Chlorotoluene
ug/L
<1.0
20
21.4
107
70-144
4-Methyl-2-pentanone (MIBK)
ug/L
6.5
40
53.2
117
65-144
Acetone
ug/L
112
40
172
152
49-162
Benzene
ug/L
<1.0
20
26.8
134
68-144
Bromobenzene
ug/L
<1.0
20
21.2
106
70-144
Bromochloromethane
ug/L
<1.0
20
25.8
129
70-148
Bromodichloromethane
ug/L
<1.0
20
25.4
127
70-141
Bromoform
ug/L
<1.0
20
22.2
111
59-144
Bromomethane
ug/L
<2.0
20
16.9
84
23-190
Carbon tetrachloride
ug/L
<1.0
20
28.8
144
70-147
Chlorobenzene
ug/L
<1.0
20
22.9
114
70-143
Chloroethane
ug/L
<1.0
20
21.9
109
55-190
Chloroform
ug/L
<1.0
20
25.9
129
67-148
Chloromethane
ug/L
<1.0
20
26.5
133
38-180
cis-1,2-Dichloroethene
ug/L
<1.0
20
25.9
129
67-151
cis-1,3-Dichloropropene
ug/L
<1.0
20
25.9
129
70-142
Dibromochloromethane
ug/L
<1.0
20
23.9
120
68-140
Dibromomethane
ug/L
<1.0
20
25.3
126
70-142
Dichlorodifluoromethane
ug/L
<1.0
20
29.4
147
15-200
Diisopropyl ether
ug/L
<1.0
20
23.5
117
62-149
Ethylbenzene
ug/L
<1.0
20
22.5
113
70-145
Hexachloro-1,3-butadiene
ug/L
<2.0
20
25.6
128
64-164
m&p-Xylene
ug/L
<2.0
40
44.7
111
70-148
Methyl-tert-butyl ether
ug/L
<1.0
20
23.7
118
64-146
Methylene Chloride
ug/L
<5.0
20
26.2
130
54-149 v1
Results presented on this page are in the units indicated
by the "Units" column except where
an alternate unit is
presented to the right
of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC. Page 24 of 36

QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
MATRIX SPIKE SAMPLE:
Parameter
4329691
Units
92716844001
Result
Spike
Conc.
MS
Result
MS
% Rec
% Rec
Limits Qualifiers
Naphthalene
ug/L
<1.0
20
19.6
97
62-154
o-Xylene
ug/L
<1.0
20
22.3
111
70-145
p-Isopropyltoluene
ug/L
<1.0
20
20.7
104
70-153
Styrene
ug/L
<1.0
20
22.7
114
70-147
Tetrachloroethene
ug/L
<1.0
20
22.4
112
70-145
Toluene
ug/L
<1.0
20
25.0
125
65-146
trans-1,2-Dichloroethene
ug/L
<1.0
20
27.1
135
69-155
trans- 1,3-Dichloropropene
ug/L
<1.0
20
24.7
124
70-142
Trichloroethene
ug/L
<1.0
20
27.3
136
70-152
Trichlorofluoromethane
ug/L
<1.0
20
25.1
125
60-158
Vinyl acetate
ug/L
<2.0
40
51.7
129
56-157 v1
Vinyl chloride
ug/L
<1.0
20
23.7
118
51-178
Xylene (Total)
ug/L
<1.0
60
67.0
112
70-146
1,2-Dichloroethane-d4 (S)
%
96
70-130
4-Bromofluorobenzene (S)
%
100
70-130
Toluene-d8(S)
%
101
70-130
SAMPLE DUPLICATE: 4329692
Parameter
Units
92716844002
Result
Dup
Result RPD
1,1,1,2-Tetrachloroethane
ug/L
<1.0
<1.0
1,1,1-Trichloroethane
ug/L
<1.0
<1.0
1,1,2,2-Tetrachloroethane
ug/L
<1.0
<1.0
1,1,2-Trichloroethane
ug/L
<1.0
<1.0
1,1-Dichloroethane
ug/L
<1.0
<1.0
1,1-Dichloroethene
ug/L
<1.0
<1.0
1,1-Dichloropropene
ug/L
<1.0
<1.0 v1
1,2,3-Trichlorobenzene
ug/L
<1.0
<1.0
1,2,3-Trichloropropane
ug/L
<1.0
<1.0
1,2,4-Trichlorobenzene
ug/L
<1.0
<1.0
1,2-Dibromo-3-chloropropane
ug/L
<2.0
<2.0
1,2-Dibromoethane (EDB)
ug/L
<1.0
<1.0
1,2-Dichlorobenzene
ug/L
<1.0
<1.0
1,2-Dichloroethane
ug/L
<1.0
<1.0
1,2-Dichloropropane
ug/L
<1.0
<1.0
1,3-Dichlorobenzene
ug/L
<1.0
<1.0
1,3-Dichloropropane
ug/L
<1.0
<1.0
1,4-Dichlorobenzene
ug/L
<1.0
<1.0
2,2-Dichloropropane
ug/L
<1.0
<1.0
2-Butanone (MEK)
ug/L
<5.0
<5.0
2-Chlorotoluene
ug/L
<1.0
<1.0
2-Hexanone
ug/L
<5.0
<5.0
4-Chlorotoluene
ug/L
<1.0
<1.0
4-Methyl-2-pentanone (MIBK)
ug/L
<5.0
<5.0
Acetone
ug/L
<25.0
<25.0
Qualifiers
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC.
Page 25 of 36

QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
SAMPLE DUPLICATE: 4329692
Parameter
Units
92716844002
Result
Dup
Result
Benzene
ug/L
<1.0
<1.0
Bromobenzene
ug/L
<1.0
<1.0
Bromochloromethane
ug/L
<1.0
<1.0
Bromodichloromethane
ug/L
<1.0
<1.0
Bromoform
ug/L
<1.0
<1.0
Bromomethane
ug/L
<2.0
<2.0
Carbon tetrachloride
ug/L
<1.0
<1.0
Chlorobenzene
ug/L
<1.0
<1.0
Chloroethane
ug/L
<1.0
<1.0
Chloroform
ug/L
<1.0
<1.0
Chloromethane
ug/L
<1.0
<1.0
cis-1,2-Dichloroethene
ug/L
<1.0
<1.0
cis-1,3-Dichloropropene
ug/L
<1.0
<1.0
Dibromochloromethane
ug/L
<1.0
<1.0
Dibromomethane
ug/L
<1.0
<1.0
Dichlorodifluoromethane
ug/L
<1.0
<1.0
Diisopropyl ether
ug/L
<1.0
<1.0
Ethylbenzene
ug/L
<1.0
<1.0
Hexachloro-1,3-butadiene
ug/L
<2.0
<2.0
m&p-Xylene
ug/L
<2.0
<2.0
Methyl-tert-butyl ether
ug/L
<1.0
<1.0
Methylene Chloride
ug/L
<5.0
<5.0
Naphthalene
ug/L
<1.0
<1.0
o-Xylene
ug/L
<1.0
<1.0
p-Isopropyltoluene
ug/L
<1.0
<1.0
Styrene
ug/L
<1.0
<1.0
Tetrachloroethene
ug/L
<1.0
<1.0
Toluene
ug/L
<1.0
<1.0
trans-1,2-Dichloroethene
ug/L
<1.0
<1.0
trans- 1,3-Dichloropropene
ug/L
<1.0
<1.0
Trichloroethene
ug/L
<1.0
<1.0
Trichlorofluoromethane
ug/L
<1.0
<1.0
Vinyl acetate
ug/L
<2.0
<2.0
Vinyl chloride
ug/L
<1.0
<1.0
Xylene (Total)
ug/L
<1.0
<1.0
1,2-Dichloroethane-d4 (S)
%
92
102
4-Bromofluorobenzene (S)
%
97
102
Toluene-d8 (S)
%
100
105
RPD Qualifiers
v1
v1
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC.
Page 26 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
QC Batch: 838064 Analysis Method: EPA 350.1 Rev 2.0 1993
QC Batch Method: EPA 350.1 Rev 2.0 1993 Analysis Description: 350.1 Ammonia
Laboratory: Pace Analytical Services -Asheville
Associated Lab Samples: 92716844001, 92716844002, 92716844003, 92716844004
METHOD BLANK: 4329098
Matrix:
Water
Associated Lab Samples: 92716844001, 92716844002, 92716844003, 92716844004
Blank
Reporting
Parameter
Units
Result
Limit
Analyzed Qualifiers
Nitrogen, Ammonia
mg/L
<0.10
0.10
03/11/24 19:50
LABORATORY CONTROL SAMPLE:
4329099
Spike
LCS
LCS % Rec
Parameter
Units
Conc.
Result
% Rec Limits Qualifiers
Nitrogen, Ammonia
mg/L
5
4.8
96 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4329100 4329101
MS MSD
92716844001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Ammonia mg/L 60.4 5 5 64.0 65.2 72 97 90-110 2 M1
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4329102 4329103
MS MSD
92716844002 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Ammonia mg/L <0.10 5 5 4.6 4.7 93 93 90-110 0
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC.
Page 27 of 36

QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
QC Batch: 837381 Analysis Method: EPA 351.2 Rev 2.0 1993
QC Batch Method: EPA 351.2 Rev 2.0 1993 Analysis Description: 351.2 TKN
Laboratory: Pace Analytical Services -Asheville
Associated Lab Samples: 92716844001
METHOD BLANK: 4325879
Associated Lab Samples: 92716844001
Parameter Units
Nitrogen, Kjeldahl, Total mg/L
LABORATORY CONTROL SAMPLE: 4325880
Parameter Units
Nitrogen, Kjeldahl, Total mg/L
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
<0.50 0.50 03/08/24 05:06
Spike LCS LCS % Rec
Conc. Result % Rec Limits Qualifiers
10 10.2 102 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4325881 4325882
MS MSD
92716572001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Kjeldahl, Total mg/L ND 10 10 11.2 11.3 109 110 90-110 1
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4325883 4325884
MS MSD
92716572002 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, Kjeldahl, Total mg/L 11.3 10 10 20.1 20.3 88 90 90-110 1 M1
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC.
Page 28 of 36

QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
QC Batch: 838564 Analysis Method: EPA 353.2 Rev 2.0 1993
QC Batch Method: EPA 353.2 Rev 2.0 1993 Analysis Description: 353.2 Nitrate + Nitrite, preserved
Laboratory: Pace Analytical Services -Asheville
Associated Lab Samples: 92716844001
METHOD BLANK: 4331563
Associated Lab Samples: 92716844001
Parameter Units
Nitrogen, NO2 plus NO3 mg/L
LABORATORY CONTROL SAMPLE: 4331564
Parameter Units
Nitrogen, NO2 plus NO3 mg/L
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
<0.040 0.040 03/13/2411:48
Spike LCS LCS % Rec
Conc. Result % Rec Limits Qualifiers
2.5 2.7 109 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4331565 4331566
MS MSD
92716738008 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, NO2 plus NO3 mg/L 0.60 2.5 2.5 3.0 3.0 95 95 90-110 0
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4331567 4331568
MS MSD
92716738009 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Nitrogen, NO2 plus NO3 mg/L 0.88 2.5 2.5 3.3 3.3 98 98 90-110 0
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC.
Page 29 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
QC Batch: 837355 Analysis Method: EPA 365.1 Rev 2.0 1993
QC Batch Method: EPA 365.1 Rev 2.0 1993 Analysis Description: 365.1 Phosphorus, Total
Laboratory: Pace Analytical Services -Asheville
Associated Lab Samples: 92716844001, 92716844002, 92716844003, 92716844004
METHOD BLANK: 4325683
Matrix:
Water
Associated Lab Samples: 92716844001, 92716844002, 92716844003, 92716844004
Blank
Reporting
Parameter
Units
Result
Limit
Analyzed Qualifiers
Phosphorus
mg/L
<0.050
0.050
03/08/24 14:06
LABORATORY CONTROL SAMPLE:
4325684
Spike
LCS
LCS % Rec
Parameter
Units
Conc.
Result
% Rec Limits Qualifiers
Phosphorus
mg/L
2.5
2.5
102 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4325685 4325686
MS MSD
92716853001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Phosphorus mg/L 2.2 2.5 2.5 4.5 4.5 93 90 90-110 2
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4325687 4325688
MS MSD
92716728001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Phosphorus mg/L 2.7 2.5 2.5 4.9 4.8 89 87 90-110 1 M1
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC.
Page 30 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
QC Batch: 838074 Analysis Method: SM 4500-CI-E-2011
QC Batch Method: SM 4500-CI-E-2011 Analysis Description: 4500 Chloride
Laboratory: Pace Analytical Services -Asheville
Associated Lab Samples: 92716844001, 92716844002, 92716844003, 92716844004
METHOD BLANK: 4329158
Matrix:
Water
Associated Lab Samples: 92716844001, 92716844002, 92716844003, 92716844004
Blank
Reporting
Parameter
Units
Result
Limit
Analyzed Qualifiers
Chloride
mg/L
<1.0
1.0
03/11/2415:31
LABORATORY CONTROL SAMPLE:
4329159
Spike
LCS
LCS % Rec
Parameter
Units
Conc.
Result
% Rec Limits Qualifiers
Chloride
mg/L
20
21.0
105 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4329160 4329161
MS MSD
92716844001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Chloride mg/L 305 10 10 316 318 109 124 90-110 0 M1
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 4329162 4329163
MS MSD
92716844002 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Chloride mg/L 21.8 10 10 31.9 31.6 101 98 90-110 1
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC.
Page 31 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALIFIERS
Project: Colonial Pipeline GSO
Pace Project No.: 92716844
DEFINITIONS
DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot.
ND - Not Detected at or above adjusted reporting limit.
TNTC - Too Numerous To Count
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL -Adjusted Method Detection Limit.
PQL - Practical Quantitation Limit.
RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and
bias for a specific analyte in a specific matrix.
S - Surrogate
1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is
a combined concentration.
Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values.
LCS(D) - Laboratory Control Sample (Duplicate)
MS(D) - Matrix Spike (Duplicate)
DUP - Sample Duplicate
RPD - Relative Percent Difference
NC - Not Calculable.
SG - Silica Gel - Clean -Up
U - Indicates the compound was analyzed for, but not detected.
Acid preservation may not be appropriate for 2 Chloroethylvinyl ether.
A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPA
Method 8260.
N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for
each analyte is a combined concentration.
Reported results are not rounded until the final step prior to reporting. Therefore, calculated parameters that are typically reported as
"Total" may vary slightly from the sum of the reported component parameters.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TN -The NELAC Institute.
ANALYTE QUALIFIERS
B2 Oxygen usage is less than 2.0 for all dilutions set. The reported value is an estimated less than value and is calculated
for the dilution using the most amount of sample.
D6 The precision between the sample and sample duplicate exceeded laboratory control limits.
M1 Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.
N2 The lab does not hold NELAC/TNI accreditation for this parameter but other accreditations/certifications may apply. A
complete list of accreditations/certifications is available upon request.
v1 The continuing calibration verification was above the method acceptance limit. Any detection for the analyte in the
associated samples may have a high bias.
v2 The continuing calibration verification was below the method acceptance limit. The analyte was not detected in the
associated samples and the sensitivity of the instrument was verified with a reporting limit check standard.
v3 The continuing calibration verification was below the method acceptance limit. Any detection for the analyte in the
associated samples may have low bias.
REPORT OF LABORATORY ANALYSIS
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Date: 03/14/2024 05:53 PM without the written consent of Pace Analytical Services, LLC. Page 32 of 36

Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project:
Pace Project No.:
Colonial Pipeline GSO
92716844
Analytical
Lab ID
Sample ID
QC Batch Method
QC Batch
Analytical Method
Batch
92716844001
Effluent
SM 2540C-2015
837661
92716844002
MW-5
SM 2540C-2015
837661
92716844003
MW-7
SM 2540C-2015
837661
92716844004
MW-9
SM 2540C-2015
837661
92716844001
Effluent
SM 254OD-2015
836956
92716844001
Effluent
EPA 353.2 Rev 2.0 1993
836963
92716844002
MW-5
EPA 353.2 Rev 2.0 1993
836963
92716844003
MW-7
EPA 353.2 Rev 2.0 1993
836963
92716844004
MW-9
EPA 353.2 Rev 2.0 1993
836963
92716844001
Effluent
SM 521OB-2016
836975
SM 521OB-2016
837760
92716844001
Effluent
SM 9222D-2015
836960
SM 9222D-2015
836961
92716844002
MW-5
SM 9222D-2015
836960
SM 9222D-2015
836961
92716844003
MW-7
SM 9222D-2015
836960
SM 9222D-2015
836961
92716844004
MW-9
SM 9222D-2015
836960
SM 9222D-2015
836961
92716844001
Effluent
EPA 1664B
837650
92716844001
Effluent
EPA 200.7 Rev 4.4 1994
837311
EPA 200.7 Rev 4.4 1994
837470
92716844001
Effluent
EPA6010D
839052
92716844001
Effluent
EPA 8260D
838163
92716844002
MW-5
EPA 8260D
838163
92716844003
MW-7
EPA 8260D
838163
92716844004
MW-9
EPA 8260D
838163
92716844001
Effluent
TKN+NO3+NO2
838758
Calculation
92716844001
Effluent
EPA 350.1 Rev 2.0 1993
838064
92716844002
MW-5
EPA 350.1 Rev 2.0 1993
838064
92716844003
MW-7
EPA 350.1 Rev 2.0 1993
838064
92716844004
MW-9
EPA 350.1 Rev 2.0 1993
838064
92716844001
Effluent
EPA 351.2 Rev 2.0 1993
837381
EPA 351.2 Rev 2.0 1993
837600
92716844001
Effluent
EPA 353.2 Rev 2.0 1993
838564
92716844001
Effluent
EPA 365.1 Rev 2.0 1993
837355
EPA 365.1 Rev 2.0 1993
837724
92716844002
MW-5
EPA 365.1 Rev 2.0 1993
837355
EPA 365.1 Rev 2.0 1993
837724
92716844003
MW-7
EPA 365.1 Rev 2.0 1993
837355
EPA 365.1 Rev 2.0 1993
837724
92716844004
MW-9
EPA 365.1 Rev 2.0 1993
837355
EPA 365.1 Rev 2.0 1993
837724
92716844001
Effluent
SM 4500-CI-E-2011
838074
92716844002
MW-5
SM 4500-CI-E-2011
838074
92716844003
MW-7
SM 4500-CI-E-2011
838074
92716844004
MW-9
SM 4500-CI-E-2011
838074
Date: 03/14/2024 05:53 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 33 of 36

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DC#_Title: ENV-FRM-HUN1-0083 03_Sample Condition Upon Receipt
Effective Date: 12/01/2023
*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, Oi and Grease, DRO/8015 (water) DOC, LLHg
**Bottom half of box is to list number of bottles
***Check all unpreserved Nitrates for chlorine
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pH Adjustment Log for Preserved Samples
Sample ID
Type of Preservative
pH upon receipt
Date preservation adjusted
Time preservation
adjusted
Amount of Preservative
added
Lot N
Note: Whenever there is a discrepancy affecting North Carolina compliance samples, a copy of this form will be sent to the North Carolina DENR Certification Office (re
Out of hold, incorrect preservative, out of temp, incorrect containers.
Qualtrax ID: 69614 Page 2 of 2 Page 36 of 36