WQ0034775_Monitoring - 03-2021_20210504

GW-59A COMPLIANCE REPORT FORM Permit#W00034775
(Submit one each monitoring period with GW--59 forms.)
1 Enter date monitoring results were due.LI/30/2021 ) Will 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 forms? YES N'O
IF the answer to question 9 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? ©S 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:
WWMW-1: Total Dissolved Solids(1840 mg/L);Total Ammonia Nitrogen(748 mg/L);Sulfate(761 mg/L);Formaldehyde(7800
ug/L);Carbon Disulfide(1950 ug/L)
WWMW-2: Total Dissolved Solids(950 mg/L);Total Ammonia Nitrogen(45.4 mg/L);Nitrate(72.6 mg/L);Sulfate(516 mg/L);pH
4.73(su)
5 For the constituents identified in question 4 above,have standards been exceeded previously for the 1E41 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 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).
WWMW-1:Total Ammonia Nitrogen 775 mg/L(3/13/19)468 mg/L(7/24/19),517 mg/L(11/06/19),783 mg/L(3/10/20),916 mg/L(7/16/20),610 mg/L(11/24/20);TDS
776 mg/L(3/13/19),582 mg/L(11/06/19),1160 mg/L(3/10/20);1090 mg/L(7/16/20);1380 mg/L(11/24/20);Sulfate 416 mg/L(11/06/19),779 mg/L(3/10/20),1470
mg/L(7/16/20),772 mg/L(11/24/20);WWMW-2:Total Ammonia Nitrogen 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),48
mg/L(7/16/20),28.5(11/24/20);TDS 758 mg/L(7/16/20),679 mg/L(11/24/20), Nitrate 64.2 mg/L(7/24/19),29.7 mg/L(11/06/19),29.5 mg/L(3/10/20),67.8 mg/L
(7/16/20),48.9 mg/L(11/24/20);Sulfate 327 mg/L(11/24/20),357 mg/L(7/16/20);p5.50 su(3/13/19),5.91 su(11/06/19),6.15 su(3/10/20),5.25 su(7/16/20),4.88 su
(11/24/20)
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 YES 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 7Is"NO",contact the Realonal Office within 90 day evaluatioknay be
required to determine the impact the waste disposal system is having at the r w aad com ranee
boundaries surrounding this facility. Failure to do so may subject the permit to Eglotice Violation,
fines, and/or penalties. ` `�' Q
iI--
The Lined Pond has been permanently removed from closed-loop recycle service. "
' O
`l. I ip
8 The person completing this portion(GW-59A)of the monitoring report shoul S rn below a submit this
form with GW-59 forms for required wells to the address provided at the top of the current -59 form.
'I hereby acknowledge that the above information was evaluated and the information submitted in this
report(Compliance Repof)GW-59A) is true and complete to the best of my knowledge_,-
/ /
Sign of Permittee or Afhorized Agent) Date ‘.( C.
GW-59A 12/8/2003 y E {r

wood.
8 April 2021
North Carolina Department of Environmental Quality
Division of Water Resources
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Subject: March 2021 Monitoring Well Sampling and Analysis Results
Hexion Inc.
Closed-Loop Recycle System Permit (WQ0034775)
333 Neils Eddy Road
Riegelwood, North Carolina 28456
Wood E&IS Project No.6480210006
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 March 2021 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(910)452-1185.
Sincerely,
Wood Environment& Infrastructure Solutions, Inc.
lti /"1 rC k
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atin Iøk;z2
:
W. Ben Moore Carolyn Smillie
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
Mail original DEPARTMENT OF ENVIRONMENT&NATURAL RESOURCES
GROUNDWATER QUALITY MONITORING: and 1 copy to: 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: W00034775 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 (Straub NC 28456 Count
y Columbus • 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-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: March 17,2021 FIELD ANALYSES: WAS
Well Depth: 17.80 ft. Well Diameter: 2 in. pH 00400: 7.54 units Temp.00010: 13.8 °C DRY at
Depth to Water Level 82546:10.00 ft.below measuring point Screened Interval: 7.8 ft. to 17.8 ft. Spec.Cond.00094: 4080 µMhos time of
sampling,
Measuring Point is 2.45 ft.above land surface Relative M.P. Elevation: 23.29 ft. Odor 00085: odor check
Volume of water pumped/bailed before sampling: 4.0 gallons Appearance cloudy here:■
Samples for metals were collected unfiltered: ■YES • NO and field acidified: ■YES ■ NO
LABORATORY INFORMATION
Date sample analyzed:March 17-April 6,2021 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 mg/L Pb-Lead 01051 ug/L
Coliform: MF Fecal 31616 /100mL Nitrate(NO3)as N 00620 0.36 mg/L Zn-Zinc 01092 mg/L
Coliform: MF Total 31504 /100mL Phosphorus:Total as P 00665 1.63 mg/L
(Note: Use MPN method for highly turbid samples) Orthophosphate 70507 mg/L Other(Specify Compounds and Concentration Units):
Dissolved Solids:Total 70300 1840 mg/L Al-Aluminum 01105 mg/L Formaldehyde(8315A): 7800 ug/L
pH (Lab)00403 units Ba-Barium 01007 uglL Acetone(8260):43.4 ug/L
TOC 00680 147 mg/L Ca-Calcium 00916 mg/L Carbon Disulfide(8260):1950 ug/L
Chloride 00940 mg/L Cd-Cadmium 01027 ug/L MEK(8260):15.3 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 761 mg/L Hg-Mercury 71900 ugfL Lab Report Attached? ■ Yes(1) • No(0)
Specific Conductance 00095 µMhos K-Potassium 00937 mg/L VOC(GWVOC) , method# 8260 low concentration
Total Ammonia 00610 748 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 uglL , 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
DWQ-certified laboratory. I am aware that there are significant penalties for submitting false information,including the possibility of fines and imprisonriant for knowing violations. L�
Ronald Bazinet-Hexion Site Leader 67 / , inrf // '2/
Permittee(or Authorized Agent)Name and Title-Please print or type Signat+re of Permittee(or Aut .rize6 Agent) (Date)
GW-59 Rev.2/2010

SUBMIT FORM ON YELLOW PAPER ONLY
Mail original DEPARTMENT OF ENVIRONMENT&NATURAL RESOURCES
GROUNDWATER QUALITY MONITORING: and 1 copy to- DIVISION OF WATER QUALITY-INFORMATION PROCESSING UNIT
COMPLIANCE REPORT FORM1617 MAIL SERVICE CENTER,RALEIGH,NC 27699-1617 Phone:[phone]
FACILITY INFORMATION Please Print Clearly orType 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 Count
y Columbus IN Lagoon ili Remediation: Infiltration Gallery
(cny; (State) Rip) ll Spray Field III Remediation:
Contact Person: Mr.Ronald Bazinet Telephone#: [phone] ext 5257 Rotary Distributor li Land Application of Sludge
Well Location/Site Name:WWMW-2 No.of wells to be sampled: 2 MI Water Source Heat Pump • Other: CLRS
(from Permit)
SAMPLING INFORMATION If WELL
WELL ID NUMBER(from Permit): WWMW-2
Date sample collected: March 17,2021 FIELD ANALYSES: WAS
Well Depth: 13.21 ft. Well Diameter: 2 in. pH 00400: 4.73 units Temp.00010: 13.2 °C DRY at
Depth to Water Level 82546:6.43 ft. below measuring point Screened Interval: 3.21 ft. to 13•21 ft. Spec.Cond.000sa: 1564 µMhos time of
sampling,
Measuring Point is 1.56 ft.above land surface Relative M.P. Elevation: 15.89 ft. Odor 00085: none check
Volume of water pumped/bailed before sampling: 3.5 gallons Appearance clear here:.
Samples for metals were collected unfiltered: ■YES ■ NO and field acidified: ■YES ■ NO
LABORATORY INFORMATION
Date sample analyzed:March 17 through April 6,2021 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 mg/L Pb-Lead 01051 ug/L
Coliform: MF Fecal 31616 /100mL Nitrate(NO3)as N 00620 72.6 mg/L Zn-Zinc 01092 mg/L
Coliform: MF Total 31504 /100mL Phosphorus:Total as P 00665 0.08 mg/L
(Note: Use MPN method for highly turbid samples) Orthophosphate 70507 mg/L Other(Specify Compounds and Concentration Units):
Dissolved Solids:Total 70300 950 mg/L Al-Aluminum 01105 mg/L Formaldehyde(8315A): 160 ug/L
pH(Lab)00403 units Ba-Barium 01007 ug/L
TOC 00680 6.20 mg/L Ca-Calcium 00916 mg/L
Chloride 00940 mg/L Cd-Cadmium 01027 ug/L
Arsenic o1002 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 516 mg/L Hg-Mercury 71900 ug/L Lab Report Attached? • Yes(1) El No(0)
Specific Conductance 00095 µMhos K-Potassium 00937 mg/L VOC(GWVOC) , method# 8260 low concentration
Total Ammonia 00610 45.4 mg/L Mg-Magnesium 00927 mg/L , method#
(Ammonia Nitrogen;NH3 as N;Ammonia Nitrogen,Total) Mn-Manganese 01055 ug/L , method#
TKN as N 00625 mg/L Ni-Nickel 01067 ug/L , method#
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
DWQ-certified laboratory. I am aware that there are significant penalties for submitting false information,including the possibility of fines and imprisonment for knowing violations.
Ronald Bazinet Hexion Site Leader / �7j1•71 • .* /y Zl
Permittee(or Authorized Agent)Name and Title-Please print or type Signature.f Permittee(or Autho ized ltgent) (Date)
GW-59 Rev.2/2010