WQ0034775_Monitoring - 07-2020_20200813

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North Carolina Department of Environmental Quality
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Division of Water Resources
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Information Processing Unit
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1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Subject: July 2020 Monitoring Well Sampling and
Analysis Results
Hexion Inc.
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Closed -Loop Recycle System Permit (WQ0034775)
333 Neils Eddy Road
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Riegelwood, North Carolina 28456
Wood E&IS Project No. 6480200031
To Whom it May Concern:
On behalf of Hexion Inc., Wood Environment & Infrastructure Solutions, Inc (Wood E&IS) is pleased to
provide the Division of Water Resources (DWR) of the North Carolina Department of Environmental Quality
(DEQ) with the results of the July 2020 monitoring well sampling event at the referenced site in Riegelwood,
North Carolina.
If you have questions regarding this report or need additional information, please contact Mr. Ben Moore
at [phone].
Sincerely,
Wood Environment & Infrastructure Solutions, Inc.
W. Ben Moore Nick Parks
Technical Lead Technical Reviewer
Attachments: A) Compliance Monitoring Forms (GW-59 and GW-59A)
B) Laboratory Analytical Reports
Cc: Mr. Ronald Bazinet, Hexion Inc
Mr. Jeff Hamilton, Hexion Inc.
Correspondence:
Wood Environment & Infrastructure Solutions, Inc.
5710 Oleander Drive, Suite 110
Wilmington, North Carolina 28403
Tel [phone]
Fax [phone]
Licensure: NC Engineering F-1253 NC Geology C-247
woodplc.com

SUBMIT FORM ON YELLOW PAPER ONLY
GROUNDWATER QUALITY MONITORING:
• •
DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES
DIVISION OF WATER QUALITY -INFORMATION PROCESSING UNIT
COMPLIANCE REPORT FORM
• •
MAIL SERVICE CENTER, RALEIGH, NC 27699-1617 Phone: [phone]
FACILITY INFORMATION
-01617
Please Print Clearly or Type
PERMIT Number: WQ0034775 Expiration Date: December31, 2021
Facility Name: Hexion Inc.
Non -Discharge UIC
Permit Name (if different):
NPDES Other
Facility Address: 333 Neils Eddy Road
TYPE OF PERMITTED OPERATION BEING MONITORED
Riegelwood (Street) NC
g
28456
County Columbus
❑Lagoon El Remediation: Infiltration Gallery
(city) (state)
(zip)
❑ Spray Field ❑ Remediation:
Contact Person: Mr. Ronald Bazinet
Telephone#: [phone] ext 5257
ElRotary Distributor ❑ Land Application of Sludge
Well Location/Site Name: WWMW-1
No. of wells to be sampled: 2
❑ Water Source Heat Pump Other: CLRS
from Permit
SAMPLING INFORMATION
If WELL
WELL ID NUMBER (from Permit): WWMW-1
Date sample collected: July 16, 2020
FIELD ANALYSES:
WAS
Well Depth: 17.80 ft.
Well Diameter: 2 in.
pH 00400: 7.27 units Temp. 00010: 26.1 °C
DRY at
Depth to Water Level 82546: 9.80 ft. below measuring point
Screened Interval: 7.8 ft. to
17.8
ft. Spec. Cond. 00094: 4191 µMhos
time of
sampling,
MeasuringPoint is 2.45 ft. above land surface
Relative M.P. Elevation: 23.29 ft.
Odor o0085: strong sulfur odor
check
Volume of water pumped/bailed before sampling:
4.0
gallons
Appearance black
here:❑
Samples for metals were collected unfiltered: 21 YES ❑ NO and field acidified: ® YES ❑ NO
LABORATORY INFORMATION
Date sample analyzed: July 16-30, 2020
Laboratory Name: Environmental Chemists,
Inc. Certification No. 94
PARAMETERS NOTE: Values should reflect
dissolved and colloidal concentrations.
COD 00335
mg/L
Nitrite (NO2) as N 00615 <0.02
mg/L Pb - Lead 01051 ug/L
Coliform: MF Fecal 31616
/100mL
Nitrate (NO3) as N 00620 <0.02
mg/L Zn - Zinc 01092 mg/L
Coliform: IMF Total 31504
/100mL Phosphorus:
Total as P 00665 1.79
mg/L
(Note: Use MPN method for highly turbid samples)
Orthophosphate 70507
mg/L Other (Specify Compounds and Concentration Units):
Dissolved Solids:Total 70300 1090
mg/L
Al -Aluminum oil o5
mg/L Formaldehyde (8315A): 450 ug/L
pH (Lab) 00403
units
Ba -Barium 01007
ug/L
Naphthalene (8260): 1.10 ug/L
TOC 0068o 49.1
mg/L
Ca - Calcium 00916
mg/L
Chloride 00940
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 1470
mg/L
Hg - Mercury 71900
ug/L
Lab Report Attached? X Yes (1) ❑ No (0)
Specific Conductance 00095
µMhos
K - Potassium 00937
mg/L VOC(GWVOC) method # 6260 low concentration
Total Ammonia 00610 916
mg/L
Mg - Magnesium 00927
mg/L method #
(Ammonia Nitrogen; NH3asN; Ammonia Nitrogen, Total)
Mn - Manganese 01055
ug/L
, method #
TKN as N 00625 775
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%
GW-59 Rev.2/2010

SUBMIT FORM ON YELLOW PAPER ONLY
DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES
GROUNDWATER QUALITY MONITORING:
DIVISION OF WATER QUALITY -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: WQ0034775 Expiration Date: December31, 2021
Facility Name: Hexion Inc.
Non -Discharge UIC
Permit Name (if different):
NPDES Other
Facility Address: 333 Neils Eddy Road
TYPE OF PERMITTED OPERATION BEING MONITORED
Riegelwood (street) NC
28456 CountyColumbus
El Lagoon El Remediation: Infiltration Gallery
(city) (State)
(zip)
❑ Spray Field ❑ Remediation:
Contact Person: Mr. Ronald Bazinet
Telephone#: [phone] ext 5257
❑ Rotary Distributor ❑ Land Application of Sludge
Well Location/Site Name: WWMW-1
No. of wells to be sampled: 2
❑ Water Source Heat Pump 0 Other: CLRS
from Permit
SAMPLING INFORMATION
If WELL
WELL ID NUMBER (from Permit): WWMW-1
Date sample collected: July 16, 2020
FIELD ANALYSES:
WAS
Well Depth: 17.80 ft.
Well Diameter: 2 in.
pH 00400: 7.27 units Temp. 00010: 26.1 °C
DRY at
Depth to Water Level 82546: 9.80 ft. below measuring point Screened Interval: 7.8 ft. to
17.8
ft. Spec. Cond. 00094: 4191 µMhos
time of
sampling,
MeasuringPoint is 2.45 ft. above land surface
Relative M.P. Elevation: 23.29 ft.
Odor 0008s: strong sulfur odor
check
Volume of water pumped/bailed before sampling:
4.0
gallons
Appearance black
here: ❑
Samples for metals were collected unfiltered: 0 YES
❑ NO and field acidified: ® YES ❑ NO
LABORATORY INFORMATION
Date sample analyzed: July 16-30, 2020
Laboratory Name: Environmental Chemists, Inc. Certification No. 94
PARAMETERS NOTE: Values should reflect dissolved
and colloidal concentrations.
COD 00335
mg/L
Nitrite (NO2) as N 00615 <0.02
mg/L Pb - Lead 01051 ug/L
Coliform: MF Fecal 31616
/100mL
Nitrate (NO3) as N 00620 <0.02
mg/L Zn - Zinc 01092 mg/L
Coliform: MF Total 31504
/100mL
Phosphorus: Total as P 00665 1.79
mg/L
(Note: Use MPN method for highly turbid samples)
Orthophosphate 70507
mg/L Other (Specify Compounds and Concentration Units):
Dissolved Solids:Total 70300 1090
mg/L
Al -Aluminum 01105
mg/L Formaldehyde (8315A): 450 ug/L
pH (Lab) 00403
units
Ba - Barium 01007
ug/L Naphthalene (8260): 1.10 ug/L
TOC 0068o 49.1
mg/L
Ca - Calcium oo916
mg/L
Chloride 00940
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 1470
mg/L
Hg - Mercury 71900
ug/L Lab Report Attached? 0 Yes (1) ❑ No (0)
Specific Conductance 00095
µMhos
K - Potassium 00937
mg/L VOC(GWVOC) method # 8260 low concentration
Total Ammonia 00610 916
mg/L
Mg - Magnesium 00927
mg/L method #
(Ammonia Nitrogen; NH. as N; Ammonia Nitrogen, Total)
Mn - Manganese 01o55
ug/L , method #
TKN as N 00625 775
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%
Ronald Bazinet - Hexion Site Leader
Permittee (or Authorized Agent) Name and Title - Please print or type
G W-59
Rev. 2/2010

SUBMIT FORM ON YELLOW PAPER ONLY
GROUNDWATER QUALITY MONITORING:
.•
:
DEPARTMENT OF ENVIRONMENT & NATURAL RESOURCES
DIVISION OF WATER QUALITY -INFORMATION PROCESSING UNIT
COMPLIANCE REPORT FORM
..
1617 MAIL SERVICE CENTER, RALEIGH, NC 27699-1617 Phone: [phone]
FACILITY INFORMATION
Please PnntClearlyorType
PERMIT Number: WQ0034775 Expiration Date: December 31, 2021
Facility Name: Hexion Inc.
Non -Discharge UIC
Permit Name (if different):
NPDES Other
Facility Address: 333 Neils Eddy Road
TYPE OF PERMITTED OPERATION BEING MONITORED
Riegelwood (street) NC
28456 County Columbus
El Lagoon ❑Remediation: Infiltration Gallery
(city) (State)
(zip)
❑ Spray Field ❑ Remediation:
Contact Person: Mr. Ronald Bazinet
Telephone#: [phone] ext 5257
❑ Rotary Distributor ❑ Land Application of Sludge
Well Location/Site Name: WWMW-2
No. of wells to be sampled: 2
❑ Water Source Heat Pump ❑- Other: CLRS
from Pe mit
SAMPLING INFORMATION
If WELL
WELL ID NUMBER (from Permit): WWMW-2
Date sample collected: July 16, 2020
FIELD ANALYSES:
WAS
Well Depth: 13.21 ft.
Well Diameter: 2 in.
pH 00400: 5.25 units Temp. 000lo: 27.3 °C
DRY at
Depth to Water Level 82546: 6.61 ft. below measuring point Screened Interval: 3.21 ft. to
13.21 ft. Spec. Cond. 00094: 1256 µMhos
time of
MeasuringPoint is 1.56 ft. above land surface
Relative M.P. Elevation: 15.89 ft.
Odor o0085: none
sampling,
check
Volume of water pumped/bailed before sampling:
4.0
gallons
Appearance clear
here: ❑
Samples for metals were collected unfiltered: W] YES
❑ NO and field acidified: ® YES ❑ NO
LABORATORY INFORMATION
Date sample analyzed: July 16-30, 2020
Laboratory Name: Environmental Chemists,
Inc. Certification No. 94
PARAMETERS NOTE: Values should reflect
dissolved
and colloidal concentrations.
COD 00335
mg/L
Nitrite (NO2) as N 00615 <0.02
mg/L Pb - Lead o1051 u9 /L
Coliform: MF Fecal 31616
/10omL
Nitrate (NO3) as N 00620 67.8
mg/L Zn - Zinc 01092 mg/L
Coliform: MF Total 31504
/100mL
Phosphorus: Total as P 00665 0.05
mg/L
(Note: Use MPN method for highly turbid samples)
Orthophosphate 70507
mg/L Other (Specify Compounds and Concentration Units):
Dissolved Solids:Total 70300 758
mg/L
Al -Aluminum o1105
mg/L Formaldehyde (8315A): <250 ug/L
pH (Lab) 00403
units
Ba - Barium 01007
ug/L
TOC 00680 6.40
mg/L
Ca - Calcium o0916
mg/L
Chloride 00940
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 357
mg/L
Hg - Mercury 71900
ug/L Lab Resort Attached? X Yes (1) ❑ No (0)
Specific Conductance o0095
µMhos
K - Potassium 00937
m /L VOC (GWVOC)
g ,method # 8260 low concentration
Total Ammonia 00610 48
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 19.1
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%
Ronald Bazinet - Hexion Site Leader
Permittee (or Authorized Agent) Name and Title - Please print or type

SUBMIT FORM ON YELLOW PAPER ONLY
- 0 0
.
DEPARTMENT OF ENVIRONMENT $ NATURAL RESOURCES
GROUNDWATER QUALITY MONITORING:
DIVISION OF WATER QUALITY -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: WQ0034775 Expiration Date: December31, 2021
Facility Name: Hexion Inc.
Non -Discharge UIC
Permit Name (if different):
NPDES Other
Facility Address: 333 Neils Eddy Road
TYPE OF PERMITTED OPERATION BEING MONITORED
Riegelwood (Street) NC
28456 CountyColumbus
El Lagoon El Remediation: Infiltration Gallery
(city) (Stale)
(zip)
❑ Spray Field ❑ Remediation:
Contact Person: Mr. Ronald Bazinet
Telephone#: [phone] ext 5257
❑ Rotary Distributor ❑ Land Application of Sludge
Well Location/Site Name: WWMW-2
No. of wells to be sampled: 2
❑ Water Source Heat Pump Other: CLRS
from Permit
SAMPLING INFORMATION
If WELL
WELL ID NUMBER (from Permit): WWMW-2
Date sample collected: July 16, 2020
FIELD ANALYSES:
WAS
Well Depth: 13.21 ft.
Well Diameter: 2 in.
pH 00400: 5.25 units Temp. 00010: 27.3 °C
DRY at
Depth to Water Level 82546: 6.61 ft. below measuring point Screened Interval: 3.21 ft. to
13.21
ft. Spec. Cond. 00094: 1256 µMhos
time of
sampling,
MeasuringPoint is 1.56 ft. above land surface
Relative M.P. Elevation: 15.89 ft.
Odor 0008s: none
check
Volume of water pumped/bailed before sampling:
4.0
gallons
Appearance clear
here: ❑
Samples for metals were collected unfiltered: 0 YES
❑ NO and field acidified: ® YES ❑ NO
LABORATORY INFORMATION
Date sample analyzed: July 16-30, 2020
Laboratory Name: Environmental Chemists, Inc. Certification No. 94
PARAMETERS NOTE: Values should reflect
dissolved
and colloidal concentrations.
COD 00335
mg/L
Nitrite (NO2) as N 00615 <0.02
mg/L Pb - Lead o1o51 ug/L
Coliform: MF Fecal 31616
/100mL
Nitrate (NO3) as N 00620 67.8
mg/L Zn - Zinc 01092 mg/L
Coliform: MF Total 31504
/100mL
Phosphorus: Total as P 00665 0.05
mg/L
(Note: Use MPN method for highly turbid samples)
Orthophosphate 70507
mg/L Other (Specify Compounds and Concentration Units):
issolved Solids:Total 70300 758
mg/L
All - Aluminum 01105
mg/L Formaldehyde (8315A): <250 ug/L
pH (Lab) 00403
units
Ba - Barium 01007
ug/L
TOC 00680 6.40
mg/L
Ca - Calcium 00916
mg/L
Chloride 00940
mg/L
Cd - Cadmium 01027
ug/L
Arsenic 01002
ug/L
Chromium: Total o1o34
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 357
mg/L
Hg - Mercury 71900
ug/L
Lab Report Attached? ❑■ Yes (1) ❑ No (0)
Specific Conductance 00095
µMhos
K - Potassium 00937
mg/L VOC (GWVOC) method # 8260 low concentration
Total Ammonia oo610 48
mg/L
Mg - Magnesium 00927
mg/L method #
(Ammonia Nitrogen, NH3as N; Ammonia Nitrogen, Total)
Mn - Manganese o1o55
ug/L
, method #
TKN as N 00625 19.1
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%
Ronald Bazinet - Hexion Site Leader
Permittee (or Authorized Agent) Name and Title - Please print or type
Al j � L -4 ). "'�
of Permittee (or AjIfior4fed Agent)
?/4/Zo
GW-59 Rev.2/2010

GW-59A COMPLIANCE REPORT FORM Perinit # WQ0034775
(.Submit one each monitoring•period with GIY-59,jbrnm)
1
Enter date monitoring results were due. (8 31 2020 ) Wiil this monitoring report (GW-59 and GW-59A)
YES
NO
be submitted after the established due date?
2
Was any required information missing on the GW-59 report fortes?
YES
NO
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
YES
NO
Identification plate, area overgrown, etc.)? If the answer is "Yes", contact the Regional Officefor 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 concentrations)
exceeding standards in the space provided below.
WWMW-1: Total Dissolved Solids (1090 mg/L); Total Ammonia Nitrogen (916 mg/L); Sulfate (1470 mg/L)
WWMW-2: Total Dissolved Solids (758 mg/L); Total Ammonia Nitrogen (48 mg/L); Nitrate (67.8 mg/L); Sulfate (357 mg/L); pH (5.25
SU)
5
For the constituents identified In question 4 above, have standards been exceeded previously for the
YES
NO
same 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 51s "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).
W WMW-1: Total Ammonia Nitrogen 457 mg/L (7/19/18), 953 mg/L (11/18/18), 775 mg/L (3/13/19) 468 mg/L (7/24/19), 517 mg/L (11/06/19), 783 mg/L (3/10/20); LDS_
606 mg/L (7/19/18), 1100 mg/L (11/18/18), 776 mg/L (3/13/19), 582 mg/L (11/06/19), 1160 mg/L (3/10/20); Sulfate 382 mg/L (11/18/18); 416 mg/L (11/06/19), 779 mg/L
(3/10/20); W WMW-2: Total Ammonia Nitrogen 9.1 mg/L (7/19/18),.21.7 mg/L (11/18/18), 46.6 mg/L (3/13/19), 56.1 mg/L (7/24/19), 39.4 mg/L (11/06/19), 34.3 mg/L
(3/10/20); Nitrate 11.5 mg/L (7/19/18), 64.2 mg/L (7/24/19), 29.7 mg/L (11/06/19), 29.5 mg/L (3/10/20);p6.07 su (7/19/18), 6.07 su (11/18/18), 5.50 su (3/13/19), 5.91
su (11/06/19), 6.15 su (3/10/20)
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 maybe 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
YTS
NO
groundwater quality problem?
If the answer to question 7 is "YES", describe those actions in the space provided below.
if the answer to question 71s "NO", contact the Regional Office within 90 days; an evaluation may be
reau/red to determine the Impact the waste disposal system Is having at the review and compliance
boundaries surroundinct this facility. Failure to do so may sub/ect the permittee to a Notice of Violation
fines, and/or penalties.
The Lined Pond has been permanently removed from closed -loop recycle service, Hexion has requested a permit modification.
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.
ereby acknowledge th 'Tie above information was evaluated and the information submitted fr thi I,--
Repp GW-59A) is true and complete to the best of my knowledge,
, W& port (Complianc,r�
Signature of Permittee (or Aulp riJFecl Agent) Date
G W-59A 12/8/2003

---71
; F"Ww 9
SM
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
info;ri environmentalcheinists.conl
Wood -AMEC
Date of Report: Jul 31, 2020
5710 Oleander Drive, Suite 110
Customer PO #: 6480200031
Wilmington NC 28405
Customer ID: 11070019
Attention: Ben Moore
Report #: 2020-11837
Project ID: Hexion CLRS
Lab ID Sample ID:
Collect Date/Time Matrix Sampled by
20-29771 Site: WWMW-01
7/16/2020
9:30 AM Water Ben Moore
Test
Method
Results
Date Analyzed
Sulfate
EPA 300.0
1470 mg/L
07/20/2020
Ammonia Nitrogen
EPA 350.1
916 mg/L
07/28/2020
Total Dissolved Solids (TDS)
SM 2540 C
1090 mg/L
07/16/2020
Total Phosphorus
SM4500 P F
1.79 mg/L
07/22/2020
Total Organic Carbon (TOC)
SM 5310 B
49.1 mg/L
07/21/2020
1,1,1,2-Tetrachloroethane
SW 846 method 826OB15030B
<0.5 pg/L
07/21/2020
1, 1, 1 -Trichloroethane
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
1,1,2,2-Tetrachloroethane
SW 846 method 8260815030B
<0.5 pg/L
07/21/2020
1,1,2-Trichloroethane
SW 846 method 82608/50308
<0.5 pg/L
07/21/2020
1,1-Dichloroethane
SW 846 method 82608/5030B
<0.5 pg/L
07/21/2020
1, 1 -Dichloroethene
SW 846 method 82BOB15030B
<0.5 pg/L
07/21/2020
1,1-Dichloropropene
SW 846 method 8260B/5030B
<0.5 pg/L
07/21/2020
1,2,3-Trichlorobenzene
SW 846 method 82608/5030B
<0.5 pg/L
07/21/2020
1,2,3-Trichloropropane
SW 846 method8260B/5030B
<0.5pg/L
07/21/2020
1,2,4-Trichlorobenzene
SW 846 method 82608/503013
<0.5 pg/L
07/21/2020
1,2,4-Trimethylbenzene
SW 846 method 82608/50308
<0.5 pg/L
07/21/2020
1,2-Dibromo-3-Chloropropane
SW 846 method 826013/5030B
<0.5 pg/L
07/21/2020
1,2-Dibromoethane
SW 846 method 82606/503013
<0.5 pg/L
07/21/2020
1,2-Dichlorobenzene
SW 846 method 82608/50308
<0.5 pg/L
07/21/2020
1,2-Dichloroethane
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
1,2-Dichloropropane
SW 646 method 826013/50308
<0.5 pg/L
07/21/2020
1,3,5-Trimethylbenzene
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
1,3-Dichlorobenzene
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
-1, 3-Dichloropropane
SW 846 method 8260B/5030B
<0.5 pg/L
07/21/2020
1,4-Dichlorobenzene
SW 846 method 82606/50308
<0.5 pg/L
07/21/2020
"2,2-Dichloropropane
SW B46 method 82608/50308
<0.5 pg/L
07/21/2020
Report #" 2020-11837
Page 1 of 6

enZvi rochem
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
infoa environmentalchemists.com
Wood -AMEC
Date of Report: Jul 31, 2020
5710 Oleander Drive, Suite 110
Customer PO #: 6480200031
Wilmington NC 28405
Customer ID: 11070019
Attention: Ben Moore
Report #: 2020-11837
Project ID: Flexion CLRS
2-Chlorotoluene
SW 846 method 8260B/5030B
<0.5 pg/L
07/21/2020
4-Chlorotoluene
SW 846 method 826OB/5030B
<0.5 pg/L
07/21/2020
Benzene
SW 846 method 82608/5030B
<0.5 pg/L
07/21/2020
Bromobenzene
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
Bromochloromethane
SW 846 method 82606/50308
<0.5 pg/L
07/21/2020
Bromodichloromethane
SW 846 method 826OB/5030B
<0.5 pg/L
07/21/2020
Bromoform
SW 846 method 826013/5030B
<0.5 pg/L
07/21/2020
Bromomethane
SW 846 method 8260B/5030B
<0.5 pg/L
07/21/2020
Carbon tetrachloride
SW 846 method 8260B/5030B
<0.5 pg/L
07/21/2020
Chlorobenzene
SW 846 method 8260E/5030B
<0.5 pg/L
07/21/2020
Chloroethane
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
Chloroform
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
Chloromethane
SW 846 method 82606/503013
<0.5 pg/L
07/21/2020
cis-1,2-Dichloroethene
SW 846 method 82608/50308
<0.5 pg/L
07/21/2020
cis-1,3-Dichloropropene
SW 846 method 626013/503013
<0.5 pg/L
07/21/2020
Dibromochloromethane
SW 846 method 82606/503013
<0.5 pg/L
07/21/2020
Dibromomethane
SW 846 method 826OB/5030B
<0.5 pg/L
07/21/2020
Dich lorod ifluorom ethane
SW 846 method 8260815030E
<0.5 pg/L
07/21/2020
Ethylbenzene
SW 846 method 826OB15030B
<0.5 pg/L
07/21/2020
Hexachlorobutadiene
SW 646 method 82608/50308
<0.5 pg/L
07/21/2020
Isopropylbenzene
SW 846 method 8260E/5030B
<0.5 pg/L
07/21/2020
M+P Xylene
SW 845 method 826OB15030B
<1.0 pg/L
07/21/2020
Methylene chloride
SW 846 method 82BOB15030B
<0.5 pg/L
07/21/2020
Naphthalene
SW 846 method 82608/5030B
1.10 pg/L
07/21/2020
n-Butylbenzene
SW 846 method 82608/503013
<0.5 pg/L
07/21/2020
n-Propylbenzene
SW 845 method 82608/50308
<0.5 pg/L
07/21/2020
ortho-Xylene
SW 846 method 826013/5030B
<0.5 pg/L
07/21/2020
p-Isopropyltoluene
SW 846 method 826DW5030B
<0.5 pg/L
07/21/2020
sec-Butylbenzene
SW 846 method 8260B/5030B
<0.5 pg/L
07/21/2020
Styrene
SW 846 method 8260B150308
<0.5 pg/L
07/21/2020
Report #:: 2020-11837
Page 2 of 6

Lenviroche]m
ANALYTICAL & CONSULTING CHEMISTS
Wood -AMEC
5710 Oleander Drive, Suite 110
Wilmington NC 28405
Attention: Ben Moore
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
info a.envirotunentalchemists.com
Date of Report:
Jul 31, 2020
Customer PO #:
6480200031
Customer ID:
11070019
Report #:
2020-11837
Project ID: Hexion CLRS
te rt-Butyl benzene
SW 846 method 82608/5030B
<0.5 pg/L
07/21/2020
Tetrachloroethene
SW 846 method 82608/503013
<0.5 pg/L
07/21/2020
Toluene
SW 846 method 826013/503013
<0.5 pg/L
07/2112020
Trans-1,2-Dichloroethene
SW 846 method 826OB15030B
<0.5 pg/L
07/21/2020
Trans-1,3-dichloropropene
SW 846 method 8260B/5030B
<0.5 pg/L
07/21/2020
Trichloroethene
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
Trichlorofluoromethane
SW 846 method 826OB15030B
<0.5 pg/L
07/21/2020
Vinyl chloride
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
Formaldehyde
SW846 8315A
450.0 pg/L
07/18/2020
Nitrate Nitrogen (Cale)
Nitrite Nitrogen EPA353 2 < 0.02 mg/L 07/16/2020
Nitrate+Nitrite-Nitrogen EPA353.2 < 0.02 mg/L 07/26/2020
Nitrate Nitrogen Subtraction Method <0.02 mg/L 07/29/2020
Total Nitrogen (Calc)
Total Kjeldahl Nitrogen (TKN) EPA 351.2 775 mg/L 07/30/2020
Report #:: 2020-11837 Page 3 of 6

6re�"nZv i r o c h e mr]
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
info;iaem ironmentalchetnists.com
Wood -AMEC Date of Report: Jul 31, 2020
5710 Oleander Drive, Suite 110 Customer PO #: 6480200031
Wilmington NC 28405 Customer ID: 11070019
Attention: Ben Moore Report #: 2020-11837
Project ID: Hexion CLRS
Lab ID Sample ID: Collect Date/Time Matrix Sampled by
20-29772 Site: WWMW-02 7/16/2020 9:00 AM Water Ben Moore
Test Method Results Date Analyzed
Sulfate
EPA 300.0
357 mg/L
07/22/2020
Ammonia Nitrogen
EPA 350.1
48.0 mg/L
07/22/2020
Total Dissolved Solids (TDS)
SM 2540 c
758 mg/L
07/16/2020
Total Phosphorus
SM 4500 P F
0.05 mg/L
07/22/2020
Total Organic Carbon (TOC)
SM 5310 B
6.4 mg/L
07/21/2020
1,1,1,2-Tetrachloroethane
SW 846 method 82606/50306
<0.5 pg/L
07/21/2020
1, 1, 1 -Trichloroethane
SW 846 method 826013/50308
<0.5 pg/L
07/21/2020
1,1,2,2-Tetrachloroethane
SW 846 method 828OB15030B
<0.5 pg/L
07/21/2020
1,1,2-Trichloroethane
SW 846 method 826015/50308
<0.5 pg/L
07/21/2020
1,1-Dichloroethane
SW 846 method 82608/50308
<0.5 pg/L
07/21/2020
1,1-Dichloroethene
SW 846 method 826OB15030B
<0.5 pg/L
07/21/2020
1, 1 -Dichloropropene
SW 846 method 82608/50308
<0.5 pg/L
07/21/2020
1,2,3-Trichlorobenzene
SW 846 method 826013/503013
<0.5 pg/L
07/21/2020
1,2,3-Trichloropropane
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
1,2,4-Trichlorobenzene
SW 846 method 82608/5030B
<0.5 pg/L
07/21/2020
1,2,4-Trimethylbenzene
SW 846 method 82606/50308
<0.5 pg/L
07/21/2020
1,2-Dibromo-3-Chloropropane
SW 846 method 82608/503013
<0.5 pg/L
07/21/2020
1,2-Dibromoethane
SW 846 method 826OB15030B
<0.5 pg/L
07/21/2020
1, 2-Dichlorobenzene
SW 846 method 826013I50308
<0.5 pg/L
07/21/2020
1,2-Dichloroethane
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
1,2-Dichloropropane
SW 846 method 82606/50306
<0.5 pg/L
07/21/2020
1, 3,5-Trimethylbenzene
SW 846 method 826013/50308
<0.5 pg/L
07/21/2020
1, 3-Dichlorobenzene
SW 846 method 82608/503013
<0.5 pg/L
07/21/2020
.1,3-Dichloropropane
SW 846 method 82BOB15030B
<0.5 pg/L
07/21/2020
1,4-Dichlorobenzene
SW 846 method 82608/5030B
<0.5 pg/L
07/21/2020
.2,2-Dichloropropane
SW 846 method 82608/503013
<0.5 pg/L
07/21/2020
Report # 2020-11837
Page 4 of 6

envirochem
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
info,a environmentalchemists.com
Wood -AMEC Date of Report: Jul 31, 2020
5710 Oleander Drive , Suite 110 Customer PO #: 6480200031
Wilmington NC 28405 Customer ID: 11070019
Attention: Ben Moore Report #: 2020-11837
Project ID: Hexion CLRS
2-Chlorotoluene
SW 846 method 826013/50308
<0.5 pg/L
07/21/2020
4-Chlorotoluene
SW 846 method 826OB15030B
<0.5 pg/L
07/21/2020
Benzene
SW 846 method 8260B/5030B
<0.5 pg/L
07/21/2020
Bromobenzene
SW 846 method 8260B/5030B
<0.5 pg/L
07/21/2020
Bromochloromethane
SW 846 method 8260B/5030B
<0.5 pg/L
07/21/2020
Bromodichloromethane
SW 846 method 82606/50308
<0.5 pg/L
07/21/2020
Bromoform
SW 846 method 826OB15030B
<0.5 pg/L
07/21/2020
Bromomethane
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
Carbon tetrachloride
SW 846 method 8260B/50308
<0.5 pg/L
07/21/2020
Chlorobenzene
SW 846 method 8280B/5030B
<0.5 pg/L
07/21/2020
Chloroethane
SW 846 method 8260815030E
<0.5 pg/L
07/21/2020
Chloroform
SW 846 method 8260B/5030B
<0.5 pg/L
07/21/2020
Chloromethane
SW 848 method 8260R/5030B
<0.5 pg/L
07/21/2020
cis-1,2-Dichloroethene
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
cis- 1,3-Dichloropropene
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
Dibromochloromethane
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
Dibromomethane
SW 846 method 826OB15030B
<0.5 pg/L
07/21/2020
Dichlorodifluoromethane
SW 846 method 82608/503013
<0.5 pg/L
07/21/2020
Ethylbenzene
SW 846 method 826013/503013
<0.5 pg/L
07/21/2020
Hexachlorobutadiene
SW 846 method 8260815030E
<0.5 pg/L
07/21/2020
lsopropylbenzene
SW 848 method 8260B15030B
<0.5 pg/L
07/21/2020
M+P Xylene
SW 846 method 82608/50308
<1.0 pg/L
07/21/2020
Methylene chloride
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
Naphthalene
SW 846 method 82608/503013
<0.5 pg/L
07/21/2020
n-Butylbenzene
SW 846 method 8260B/5030B
<0.5 pg/L
07/21/2020
n-Propylbenzene
SW 846 method 826013/50308
<0.5 pg/L
07121 /2020
ortho-Xylene
SW 846 method 6260B/5030B
<0.5 pg/L
07/21/2020
p-lsopropyltoluene
SW 846 method 826OB15030B
<0.5 pg/L
07/21/2020
sec-Butylbenzene
SW 846 method 8260B15030B
<0.5 pg/L
07/21/2020
Styrene
SW 846 method 826013/50308
<0.5 pg/L
07/21/2020
Report #:: 2020.11837
Page 5 of 6

Environmental Chemists, Inc.
envirochem i 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
5� 255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax
ANALYTICAL & CONSULTING CHEMISTS [e-mail]
Wood -AMEC
5710 Oleander Drive, Suite 110
Wilmington NC 28405
Attention: Ben Moore
Date of Report: Jul 31, 2020
Customer PO #: 6480200031
Customer ID: 11070019
Report #: 2020-11837
Project ID: Hexion CLRS
tert-Butylbenzene
SW 846 method 82608/5030B
<0.5 pg/L
07/21/2020
Tetrachloroethene
SW 846 method 82608/5030B
<0.5 pg/L
07/21/2020
Toluene
SW 846 method 82608/503013
<0.5 pg/L
07/21/2020
Trans- l ,2-Dichloroethene
SW 846 method 8260B/5030B
<0.5 pg/L
07/21/2020
Trans-1,3-dichloropropene
SW 846 method 82600/5030B
<0.5 pg/L
07/21/2020
Trichloroethene
SW 646 method 826OB15030B
<0.5 ug/L
07/21/2020
Trichlorofluoromethane
SW 846 method 826OB15030B
<0.5 pg/L
07/21/2020
Vinyl chloride
SW 846 method 82608/50306
<0.5 pg/L
07/21/2020
Formaldehyde
SW8468315A
<250 pg/L
07/18/2020
Nitrate Nitrogen (Calc)
Nitrite Nitrogen EPA 353.2 < 0.02 mg/L 07/16/2020
Nitrate+Nitrite-Nitrogen EPA353.2 67.8 mg/L 07/27/2020
Nitrate Nitrogen Subtraction Method 67.8 mg/L 07/29/2020
Total Nitrogen (Calc)
Total Kjeldahl Nitrogen (TKN) EPA351.2 19.1 mg/L 07/30/2020
Comment:
Reviewed by:
Report #:: 2020-11837 Page 6 of 6

envirochem
ANALYTICAL & CONSULTING CHEMISTS
LCS
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
inf6a environmentalchemists.com
Wood-Amec QC - 2020-11837
Parameter
True Value
mg'L
Result
nig'L
% Recovery
Limits
°'o
Ammonia
5.0
4.9
98
90-110
Ammonia
5.0
5.0
100
90-110
NO2
0.60
0.55
92
90-1 10
NO3 & NO2
1.00
0.97
97
90-110
Sulfate
50.0
48.2
96
90-110
TDS
600
581
97
90-110
TO C
10.0
10.2
102
90-1 10
TKN
4.0
4.0
100
90-110
TP
1.60
1.63
102
90-110
MS/MSD
Parameter
Trite Value
mg L
Recovery
mg1L
%%
Recovery
Difference
Limits %
Recovery
Limits
Diference
Ammonia
5.0
5.1 5.1
102,102
0
80-120
< 20
Ammonia
5.0
5.05.1
100102
2
80-120
<20
NO2
0.50
0.4810.49
9698
2
80-120
<20
NO3 & NO2
0.50
N/A
N A
N/A
80-120
<20
Sulfate
10.0
10.9,110.9
109,109
0
80-120
<20
TDS
N A
N/A
NA
N A
80-120
<20
TOC
10.0
10.1
101
N A
N/A
<20
TKN
4.0
4.2 4.2
1
0
N A
<20
TP
1.60
1.64;1.47
10292
10
80 120
<20

Lenvirochem
ANALYTICAL & CONSULTING CHEMISTS
DUPLICATE SAMPLES
Environmental Chemists, Inc.
6602 Windmill Way, Wilmington, NC 28405 ' 91.0.392.0223 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
info@environ men talchemists.com
Parameter
Results
ing L
% Difference
Limits %
Ammonia
N'A
N A
N'A
< 10
Ammonia
N'A
N'A
N'A
N'A
NO2
NA
NSA
N'A
< 10
NO3 & NO2
0.22
0.22
0
< 20
Sulfate
5
15
0
S 10
TDS
378
358
5
S 10
TOC
2.0
2.0
0
<10
TKN
N'A
N A
N"A
<10
TP
N A
N'A
N'A
S10
BLANK
Parameter
Results
m91T
Limit
mg
Ammonia
<0. l
0.1
Ammonia
<0.1
0.1
NO2
<0.01
0.01
NO3 & NO2
<0.01
0.01
Sulfate
<2.5
2.5
TDS
<2.5
2.5
TOC
<0.25
0.25
TKN
<0.25
0.25
TP
<0.02
0.02

LABORATORY CONTROL SAMPLE 91
Reportr2020-1 1837 Page i of 3
- -
Spike Compounds
Method
Blank
Resell
Spike
AddedResult
Blank Spike_
QC Limits
(Mandatory)
Recovery Range
Recovery
Dichlorodifluoromethane
<0.5
10
9.04
90.4
33.3 - 150
Chloromethane
<0.5
10
9.75
97.5
61.2 - 128
Vinyl chloride
<0.5
10
9.81
98.1
54.3 -134
Bromomethane
I <0.5
10
11.17
1 12
64.6 - 143
Chloroethane
<0.5
10
I0.65
107
------------------
55.8 - 153
f Trichlorof l uoromethane
<0.5
10
9.9
99
52.9 -153
l ,1-Dichloroethene
<0.5
10
9.97
99.7
59.1 - 145
Methylene chloride
<0.5
10
998
99.8
52.0 - 141
trans-1,2-Dichloroethene
4 <0.5
10
10.08
101
58.3 - 145
1, 1 -Dichloroethane
<0.5
10
9.77
97.7
66.1 - 140
2,2-Dichloropropane
I <0.5
10
9.59
95.9
59.9 - 137
cis-1,2-Dichloroethene
<0.5
10
9.91
99.1
57.4-139
Bromochloromethane
<0.5
10
9.67
----T-
96.7
63.5 - 130
Chloroform
<0.5
10
10.18
102
54.2 - 1.53
1,1, 1 -Trichloroethane
<0.5
10
9.92
99.2
60.6 - 130
j Carbon tetrachloride
<0.5
10
9.87 j
98.7
51.7 - 147
1.1-Dichloropropane
<0.5
10
9.94
99.4
53.6 -134
Benzene
<0.5
10
996
99.6
63.3 - j331
1,2-Dichloroethane
<0.5
10
10.17
102 ,
62.6 - 150
Trichloroethene
<0.5
10
10.2
102
73.1 - 138
1,2-Dichloropropane
<0.5
10
9.77
97.7
61.8 -138 1
Dibromomethane
<0.5
10
10.14
I01 j
56.4 - 136

LABORATORY CONTROL SAMPLE #.1
Report#2020-1 183 7 Page 2 of 3
Spike Compounds
Method
Blank
Result
,pike
Added
Blank Spike
-_- ......... ------
C.I.ililits
(Mandatory)
% Recovery .Range
Result
-)
Recovery
%
Bromodichloromethane
<0.5
10
10.1
101
74.3 - 143
cis- I,'
<0.5
10
10.18
102
63.9 - 135
Toluene
<0.5
10
9.99
99.9
62.3 -143
trans-1,3-Dicliloropropene
<0.5
10
9.76
97.6
71.3 - 143
1,1,2-Trichloroethane
<0.5
10
976
97.6
57.7 - 147
"11etrachloroethene
<0.5
10
9 8
98.3
58.1 - 139
1,3-Dichloropropane
<0.5
10
9.97
99.7
61.5 - 147
Dibromochloromethane
<0.5
10
10.02
100
69.5 - 147
1,2-Dibroinoethane
<0.5
10
9.97
99.7
69.2 - 133
Chlorobenzene
<0.5
10
9.85
98.5
76.5 - 117
Ethylbenzene
<0.5
10
9.88
98.8
62.9 - 143
1,1,1,2-Tetracliloroethane
<0.5
10
9.76
97.6
69.4 - 137
M+P Xylene
<1
20
19.754
98.8
62.5 - 134
O-Xylene
<0.5
10
��
99
62.3 -140
Styrene
<0.5
10
$9
98.9
66.8 - 131
Bromoform
<0.5
10
9.8
98
61.6 - 141
Isopropyl benzene
<0.5
10
9.79
97.9
68.1 - 130
Bromobenzene
<0.5
10
10.76
108
64.9 - 125
1,1.2,2-Tetrachloroethane
<0.5
10
83
9.n-Propylbenzene
98.3
65.7 - 146
<0.5
10
M71
107
54.2 - 149
1,2,3-Trichloropropane
<0.5
10
10.93
109
68.5 - 145
2-Chlorotoluene
<0.5
10
10.79
108
56.8 - 147
1,3,5-Trimethylbenzene
<0.5
10
10.8
108
63.8 - 137

LABORATORY CONTROL SAMPLE #1
Report2020-1 1837 Page 3 of 3
Spike Compounds
Method
Blank
Result
Spike
Added
Blank Spike
QC Limits
(Mandator))
% Recovery Range
__- -
Result
-
Recoverly
%
4-Chlorotoluene
<0.5
10
10.69
107
62.6 - 145
tert-Butylbenzene
<0.5
10
10.55
106
63.0 - 128
1.2,4-Trimethyl benzene
<0.5
10
10.68
107
63.8 - 1.38
sec-Butylbenzene
<0.5
10
10.59
106
71.0 - 143
1.3-Dichlorobenzene
<0.5
10
10.631,
106
70.5 - 127
4-Isopropyltoluene
<0.5
10
10.64
106
58.9 -- 132
1,4-Dichlorobenzene
<0.5
10
10.73
107
78.8 - 122
n-BuMbenzene
<0.5
10
10.34
103
55.5 -- 136
1,2-Dichlorobenzene I
<0.5
10
10.75 l
108
78.6 - 121
1,2-Dibromo-3-chloropropane
<0.5
10
10.64
106 (
65.5 - 139
1,2,4-Trichlorobenzene
<0.5
10
10.67
107
60.5 - 137
1 lexachlorobutadiene
<0.5
10
10.74
107
37.0 -- 131
Naphthalene
<0.5
10
11.04
110
-54.9 -138
1,2,3-Trichlorobenzene
<0.5
10
10.94
109
62.5 - 13

ANAL'Y-FICAI ENVIRONMENTAL SEERVICES, INC.
AES
July 23, 2020
Jay Baker
Environmental Chemists, Inc.
6602 Windmill Way
Wilmington NC 28405
RE: 2020-11837
Dear Jay Baker: Order No: 2007169
Analytical Environmental Services, Inc. received 2 samples on 7 17'2020 12:44:00 PM
for the analyses presented in following report.
No problems were encountered during the analyses. Additionally, all results for the associated
Quality Control samples were within EPA and/or AES established limits. Any discrepancies associated with the
analyses contained herein will be noted and submitted in the form of a project Case Narrative.
AES's accreditations are as follows:
-NELAP%State of Florida Laboratory ID E87582 for analysis ofNon-Potable Water, Solid & Chemical
Materials: Air & Emissions Volatile Organics, and Drinking Water Microbiology & Metals, effective
07/0 1 /20-0630/21.
State of Georgia, Department of Natural Resources 1D 9800 for analysis of Drinking Water Metals, effective
through 06130/20 and Total Colifonns E. coli, effective 042020-04/2423.
-AIHA-LAP, LLC Laboratory ID: 100671 for Industrial Hygiene samples (Metals and PCM Asbestos),
Environmental Lead (Paint, Soil, Dust Wipes, Air), and Environmental Microbiology (Fungal) Direct
Examination, effective until 11/01/21.
These results relate only to the items tested as received. This report may only be reproduced in full.
If you have any questions regarding these test results, please feel free to call.
Sincerely,
Mirzeta Kararic
Project Manager

Environmental Chemist
66002 Windmill Way, Wilmington, NC 28405
Phone:[phone] Fax:[phone]
info@environmentalchem ists.com
REQUEST FOR SUBCONTRACTED SERVICES
Report # Sample # Date Time Matrix Analysis Requested Preservation
Comments
2020-11837
20-29771
7/16/2020
9:30
Water
Formaldehyde
Cool,4'C
2020-11837
20-29772
7/16/2020
9:00
Water
Fonnaldehyde
Cool, 4°C
pared by: For Shipment By:
inc uished By: Date/Time:
;eived B V\- - Date/Time: j g; y�
Thursday, July 16, 2020 Page I of 1

Analytical Environmental Services, Inc
Date: 23-Jul-20
Client: Environmental Chemists. Inc.
Project: 2020-1I837 Case Narrative
Lab ID: 2007169
Formaldehyde Analysis by Method 8315:
Due to sample matrix. sample 2007169-002 required dilution during analysis resulting in elevated reporting limits.

Analytical Environmental Services, Inc
Date: 23-Jul-20
Client:
Environmental Chemists, Inc.
Client Sample ID:
20-29771
Project Name:
2020-11837
Collection Date:
7t 16i`2020 9:30:00 AM
Lab ID:
2007169-001
Matrix:
Aqueous
Reporting Dilution
Analyses Result Qual Units BatchlD Date Analyzed Analyst
Limit Factor
Formaldehyde by SNV8315A
Formaldehyde 450 250 ug/1- 300127 1 07/18±202002 59 HL
Qualifiers: • Value exceeds maximum contaminant level
BRL Below•reportmglimit
H Holding times for preparation or analysis exceeded
N Analyte not NELAC certified
B Anaivte detected in the associated method blank
> Greater than Result value
E Estimated (value above quantitation range)
S Spike Recovery outside limns due to matrix
N., See case narrative
F Anal; zed in the lab which is a deviation from the method
Less than Result value
1 Estimated value detected below Reporting Limit

Analytical Environmental Services, Inc
Date: 23-Jul-20
Client:
Environmental Chemists, Inc.
Client Sample ID:
20-29772
Project Name:
2020-11837
Collection Date:
7.11612020 9:00.00 AM
Lab ID:
2007169-002
Matrix:
Aqueous
Reporting Dilution
Analyses Result Qual Units BatchlD DateAnalczed Anahst
Limit Factor
Formaldehyde by SW8315A
Formaldehyde BRL 250 ug1L 300127 1 07 18 2020 03 12 FIL
Quatifiers: •
value exceeds maximum contaminant level
BRL Belowreportmg limn
H
Holding times for preparation or analysis exceeded
N
Analyle not NELAC certified
B
Analyte detected in the associated method bland.
>
Greater than Result t alue
E Estimated (value above quantitation range)
S Spike Recovery outside limns due to matrix
Nair See case narrative
F Anal) zed in the lab which is a deviation from the method
Less than Result value
1 Estimated value detected below Reporting Limit

IIANAL-viric,u.
; EINVIRONNIENTAI.
AES SERVICES. INC.
1. Client Name: Environmental Chemists, Inc.
2. Carrier: FedEx ❑ UPS 0 USPS❑ Client❑ Courier❑ Othei
3.
4.
S.
6.
7.
8.
9.
10.
11.
12.
SAMPLE/COOLER RECEIPT CHECKLIST
Yes No N/A
n..raa<
AES Work Order Number: 2007169
Clear
Save as
Shipping container/cooler received in good condition?
•
damaged [ leaking other[_
Custody seals present on shipping container?
•
Custody seals intact on shipping container?
•
Rn
Temperature blanks present?
Cooler temperature(s) within limits of O-6°C? [See Item 13 and 14 for
temperature recordings.]
O
O
Cooling initiated for recently collected samples / ice
present ❑
Chain of Custody (CDC) present?
•
Chain of Custody signed, dated, and timed when relinquished and received?
•
Sampler name and/or signature on CDC?
•
Were all samples received within holding time?
li
TAT marked on the CDC?
•
If no TAT indicated, proceeded with standard TAT per Terms & Conditions.
13. Cooler 1 Temperature 0.8 °C Cooler 2 Temperature
14. Cooler 5 Temperature °C Cooler 6 Temperature
15. Comments:
°C Cooler 3 Temperature °C Cooler 4 Temperature °C
°C Cooler 7 Temperature °C Cooler 8 Temperature °C
I certify that I have completed sections 1-15 (dated initials). LM 7/17/20
YPc Nn N/A no*oac
Were sample containers intact upon receipt?
•010
Custody seals present on sample containers?
•
Custody seals Intact on sample containers?
•
Do sample container labels match the CDC.?
0
©
O
incomplete info (_7 illegible 1
no label U other i
Are analyses requested indicated on the CDC?
•
Were all of the samples listed on the CDC received?
O
O
O
samples received but not listed on CDC
samples listed on CDC not received
Was the sample collection date/time noted?
•
Did we receive sufficient sample volume for indicated analyses?
•
Were samples received in appropriate containers?
•
Were VOA samples received without headspace (< 1/4" bubble)?�F
•
Were trip blanks submitted?
•
listed on CDC 1. not listed on CDC ;
27. Comments:
This section only applies to samples where pH can be
I certify that I have completed sections 16-27 (dated initials). LM 7/17/20
checked at Sample Receipt. Yes No N/A Details Comments
28.EHaventainers needingchemical preservation been checked?29.ers meet preservation guidelines?30. adjusted at Sample Receipt? n•
Note: Certain analyses require chemical preservation but must be checked in the laboratory and not upon Sample Receipt such as Coliforms, VOCs and Oil $ Grease(TPH.
I certify that I have completed sections 28-30 (dated initials). LM 7/17/20
Checklist 6.9.17 Rev 2
Locked

Analytical Environmental Services, Inc
Date: 23-Jul-20
Client: Environmental Chemists, Inc.
Project Name: 2020-11837 Dates Report
Lab Order: 2007169 P
Lab Sample ID
Client Sample ID
Collection Date
Matrix
Test Name
TCLP Date Prep Date
Analysis Date
2007169-001A
20-29771
7/16/2020 9:30:OOAM
Aqueous
Formaldehyde by SW8315A
7/17/2020 12:37:24PM
07/18/2020
2007169-002A
20-29772
7/16/2020 9:00:OOAM
Aqueous
Formaldehyde by SW8315A
7/17/2020 12:37:24PM
07/18/2020
D... 7 -f n

Analytical Environmental Services, Inc
Date: 23-Jul-20
Client: Environmental Chemists, Inc. ANALYTICAL QC SUMMARY REPORT
Project Name: 2020-11837
Workorder: 2007169
BatchID: 300127
Sample 1D: MB-300127
Client ID:
Units: ug/L
Prep Date: 07/17/2020
Run No: 430457
SampleType: 111BL1►
TestCode: FormaldehydehyswA3t5A
BatchlD; 300127
Analysis Date: 07/18/2020
Seq No: 9764317
Analyte
Result RPT Limit SPK value SPK Ref Val
°oREC Low Limit
High Limit RPD Ref Val %RPD
RPD Limit Qual
Formaldehyde BRL 50
Sample ID: LCS-300127
Client ID:
Units: ug/L
Prep Date: 07/17/2020
Run No: 430457
SampleType: LCS
TestCode: Formaldehvde by swa315A
BatchlD: 300127
Analysis Date: 07/18/2020
Seq No: 9764318
Analyte
Result RPT Limit SPK value SPK Ref Val
%REC Low Limit
High Limit RPD Ref Val %RPD
RPD Limit Qual
vormamehyde 1078 50 1000 108 70 130
Sample ID: 20071439-OOIAMS
Client ID:
Units: ug/L
Prep Date: 07117/2020
Run No: 430457
SampleType: MS
TestCode: Formaldehyde by SW8315A
BatchlD: 300127
Analysis Date: 07/18/2020
Seq No: 9764320
Analyte
Result RPT Limit SPK value SPK Ref Val
%REC Low Limit
High Limit RPD Rcl' Val %RPD
RPD Limit Qual
Formaldehyde 1203 50 1000 83.97 112 50.1 139
Sample ID: 2007fI39-00IAMSD
Client ID:
Units: ug/L
Prep Date: 07/17/2020
Run No: 430457
SampleType: MSD
TestCode: Formaldehyde 6v Sw8315A
BalchlD: 300127
Analysis Date: 07/18/2020
Seq No: 9764321
Analyte
Result RPT Limit SPK value Sl'K Ref Val
%REC Low Limit
High Limit RPD Ref Val O°oRPD
RPD Limit Qual
Formaldehyde 1213
Qualifiers: > Greater than Result value
BRL Below reporting limit
1 Estimated value detected below Reporting Limit
Rpt Lim Reporting Limit
50 1000 83.97 113 50.1 139 1203 0.817 16.2
- Less than Result value
E Estimated (value above quanutation range)
N Analyte not NELAC certified
S Spike Recovery outside lamats due to matnx
B Analyte detected in the associated method blank
H Holding times for preparation or analysis exceeded
R RPD outside limits due to matrix
0.,..., o -9 n

End of Report
o Cl s a

I ENVIRONMENTAL CHEMISTS I N C �i02 windmill Way Wilmington, N(- 2Ei405
1 OFFICE: 910-392-0223 FAX 910-M-4424
AmVy" A C n-;whnq Chertxsts NCDENR DWO CERTIFICATION 9 94 NCDHHS: DLS CERTIFICATION ! 37T29 Infooenvironmentalchemists com
COLLECTION AND CHAIN OF CUSTODY
E = Effluent, W = Well, ST = Stream, SO = Soil, SL = Sludge, Other -
Transfer
2.
—Relinquished By
Datemme
Received RV:
DateFrime
----
T
_
emperature when Received. Accepted: — led: Resampie F�equested:
Delivered By: r- C7 t Received By: i Date:�/l U Time:i 0' a
Comments: TURNAROUND: