NCS000332_MONITORING INFO_20180927

__ �-{Ww�STORMINATERDIVI5ION--CODINGSHEET--------
PERMIT NO.
DOC TYPE
❑ FINAL PERMIT
k MONITORING INFO
❑ APPLICATION
❑ COMPLIANCE
❑ OTHER
DOC DATE
❑ a-bI 7 09 �l
YYYYMMDD

2 � Hexion Inc.
HEXI ON1 i A Industrial Blvd.
Morganton, NC 28655
hexion.com
September 27, 2018
Division of Energy Mineral and Land Resources
Attn: Central Files
1617 Mail Service Center
Raleigh, NC 27699
Subject: Discharge Monitoring Report for Period 2 (April to September 2018)
Flexion Specialty Chemicals, Inc.
NPDES Permit No. NCS000332
To Whom It May Concern:
Hexion Specialty Chemicals, Inc. (Hexion) operates under NPDES Permit No.
NCS000332. As a part of this permit, Hexion is required to submit semiannual
Discharge Monitoring Reports (DMRs). Please find enclosed the completed DMR Form
(Attachment 1) and the analytical testing report (Attachment 2) for Period 2 (April to
September 2018). Also included is an additional copy of the form, as required by Permit
NCS000332 for the monitoring period April - September 2018..
The results from the Period 2 sampling event indicate that Formaldehyde levels were
above the benchmark value. As such, facility personnel followed the Tier one steps
outlined in Section B of Permit No. NCS000332. Documentation of the stormwater
management inspection and subsequent actions has been recorded and is included in
the facility's Stormwater Pollution Prevention Plan (SWPI'P), which is maintained on -
site.
If you have any questions or require any additional information, please contact me at
828-219-3503.
Sincerely,
Hexion Specialty lemicals, Inc.
Je f cDaniel
Site Leader
Attachments
"EQ►�
cFNTF 0

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit lumber NCS 000332
FACILI TY NAME Hexion Inc
PERSON COLLECTING SAMPLE(S) Jeff McDaniel
CERTIFIED LABORATORV(S) Pace Analytical Service Lab 4 40
Lab #
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2018
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
COUNTY Burke
PHONE NO. 8( 28 ) 219-3503
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
Outfall
Date
50050
No.
Sample
Collected
Total
Flow if a
Total
Rainfall
COD
Ammonia
Formaldehyde
pH
Total Rainfall
mo/dd/yr
MG
inches
0001
08/20/18
NA
2.0
112 m /L
0.20 m IL
0.590 m /L
7.1
2.0
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of ne%v motor oil per month? ©yes (:)no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitorinp, Requirements
Outfall
No.
Date
Sample
Collected
50050
00556
00530
00400
Total Flow
(if applicable)
Total
Rainfall
Oil & Grease
(if appl.)
Non -polar
O&G/TPH
(1llethod 1664
SGT-HEM), if
appl.
Total
Suspended
Solids
pH
New Motor
Oil Usage
mo/dd/vr
MG
inches
m /l
m /I
unit
al/mo
Form SWU-247, last revised 611212015
Page 1 of 2

STORM EVENT CHARACTERISTICS:
Date 08/20/18
Total Event Precipitation (inches): 2.0
Event Duration (hours): (only inapplicable — see pennit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable —see permit.)
Mail Original and one copy to:
Division of Energy Mineral and Land Resources
Attw Central files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"1 certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a
system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person
or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the
best of my knowledge and belief; true, accurate, and complete. I am aware that there are significant penalties for submitting false information,
including the possibility of fines and imprisonment for knowing violations."
09/27/18
(Signature ittee) (Date)
Form SWU-247, lust revised 611212015
Page 2 of 2

Attachment 2
Analytical Testing Report
for Period 2 of 2018
(April -September)

aceAnalytica!'
~..pacafabs.com
September 06, 2018
Jeff McDaniel
Hexion
114 Industrial Blvd
Morganton, NC 28655
RE: Project: Hexion-Morganton SW 08/20/2018
Pace Project No.: 92396695
Dear Jeff McDaniel:
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28604
[phone]
Enclosed are the analytical results for sample(s) received by the laboratory on August 22, 2018. The
results relate only to the samples included in this report. Results reported herein conform to the most
current, applicable TNIINELAC standards and the laboratory's Quality Assurance Manual, where
applicable, unless otherwise noted in the body of the report.
Some analyses have been subcontracted outside of the Pace Network. The subcontracted
laboratory report has been attached.
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Chris Derouen
[e-mail]
[phone]
Project Manager
Enclosures
cc: Mr. Phil Busovne, Hexion
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 20

aceAnalj cal
www.pecolabs.com
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Project: Hexion-Morganton SW 08/20/2018
Pace Project No.: 92396695
Asheville Certification IDS
2225 Riverside Drive, Asheville, NC 28804
Florida/NELAP Certification #: E87648
Massachusetts Certification #: M-NC030
North Carolina Drinking Water Certification #: 37712
CERTIFICATIONS
North Carolina Wastewater Certification #: 40
South Carolina Certification #: 99030001
VirginiafVELAP Certification #: 460222
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 20

acmnalytical
mvw.pacefab=rn
SAMPLE ANALYTE COUNT
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Project:
Pace Project No.:
Hexion-Morganton SW 08/20/2018
92396695
Analytes
Lab ID
Sample ID
Method
Analysts Reported
Laboratory
92396695002
SW-01113
EPA350.1 Rev 2.01993
CJH1 1
PASt-A
92396695003
SW-01C
SM 5220D-2011
GC 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 20

acMnalytrcal
wwpacaiabs =n
ANALYTICAL RESULTS
Project: Hexion-Morganton SW 08120/2018
Pace Project No.: 92396695
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Sample: SW-01B Lab iD: 92396696002 Collected: 08/20118 15:30 Received: 08/22/18 10:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
350.1 Ammonia
Nitrogen, Ammonia
Date: 09106/2018 05:19 PM
Analytical Method: EPA 350.1 Rev 2.0 1993
0.20 mg1L 0.10 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
09/03/1812:23 7664-41-7
Page 4 of 20

0
aceAnalytical
wwwpacefabs.=n
ANALYTICAL RESULTS
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Project: Hexion-Morganton SW 0812012018
Pace Project No.: 92396695
Sample: SW-01C Lab lD: 92396695003 Collected: 08120118 15:30 Received: 08/22/18 10:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
5220D COD Analytical Method: SM 5220D-2011 Preparation Method: SM 5220D-2011
Chemical Oxygen Demand 112 mglL 25.0 1 08/2311817:07 08/2311823:09 M1,R1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 09/06/2018 05:19 PM without the written consent of Pace Analytical Services, LLC. Page 5 of 20

aceAnalytical
www,pacelabs.com
Project: Hexion-Morganton SW 08120/2018
Pace Project No.: 92396695
QC Batch: 428492
QC Batch Method: EPA 350.1 Rev 2.0 1993
Associated Lab Samples: 92396695002
METHOD BLANK: 2366744
Associated Lab Samples: 92396695002
Parameter Units
Nitrogen, Ammonia mg/L
QUALITY CONTROL DATA
Analysis Method: EPA 350.1 Rev 2.0 1993
Analysis Description: 350.1 Ammonia
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 0.10 09/03/1812:03
Pace Analytical Services, Li
2225 Riverside Dr.
Asheville, 128804
[phone]
LABORATORY CONTROL SAMPLE 2366745
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
Nitrogen, Ammonia mi 5 4.9 98 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE? 2366746 2366747
MS MSD
92395771001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RP❑ Qual
Nitrogen, Ammonia mg/L ND 5 5 5.4 5A 108 108 90-110 0
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 2366748 2366749
MS MSD
92396753001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qua!
Nitrogen, Ammonia mg1L 0.17 5 5 5.4 5.4 105 105 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: 09/06/2018 05:19 PM without the written consent of Pace Analytical Services, LLC.
Page 6 of 20

acemalytical.
www.paWabs.com
Project: Hexion-Morganton SW 08/20/2018
Pace Project No.: 92396695
QC Batch: 426770
QC Batch Method: SM 5220D-2011
Associated Lab Samples: 92396695003
METHOD BLANK: 2358477
Associated Lab Samples: 92396695003
Parameter Units
Chemical Oxygen Demand mg/L
QUALITY CONTROL DATA
Analysis Method: SM 5220D-2011
Analysis Description: 5220D COD
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 25.0 08/23/18 23:06
LABORATORY CONTROL SAMPLE: 2358478
Spike
Parameter Units Conc.
Chemical Oxygen Demand mg/L 750
Pace Analytical Services, LLG
2225 Riverside Dr.
Asheville, NC 28804
[phone]
LCS LCS % Rec
Result % Rec Limits Qualifiers
735 98 90-110
MATRiX SPIKE & MATRIX SPIKY DUPLICATE: 2358479 2358480
MS MSD
92396418001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Chemical Oxygen Demand mglL ND 100 100 121 117 110 105 90-110 4 R1
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 2358481 2358482
MS MSD
92396695003 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Chemical Oxygen Demand mg/L 112 100 100 206 234 94 122 90-110 13 M1,R1
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit Is presented to the right at the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 09/06/2018 05:19 PM without the written consent of Pace Analytical Services, LLC.
Page 7 of 20

aceAnalytical
WWW pacefabs.com
QUALIFIERS
Project: Hexlon-Morganton SW 08/20/2018
Pace Project No.: 92396695
DEFINITIONS
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
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 Defection 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-❑iphenylhydrazine 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 ofAcmlein 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.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TN -The NELAC Institute.
LABORATORIES
PASI-A Pace Analytical Services -Asheville
ANALYTE QUALIFIERS
M1 Matrix spike recovery exceeded QC Ilmits. Batch accepted based on laboratory control sample (LCS) recovery.
R1 RPD value was outside control limits.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 09/0612018 05-19 PM without the written consent of Pace Analytical Services, LLC, Page 8 of 20

•
acmnalytical
www pacefaba.com
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: Hexion-MorgantonSW 08/2012018
Pace Project No.: 92396695
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Lab ID
Sample ID
QC Batch Method
QC Batch
Analytical Method
92396695002
92396695003
SW-01 B
SW-01C
EPA 350.1 Rev 2.0 1993
SM 5220D-2011
428492
426770
SM 5220D-2011
Date: 09/06/2018 05:19 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Analytical
Batch
426833
Page 9 of 20

Document Name:
Document Revised: February 7, 2018
•aceAnaiyiical `
Sample Condition Upon Recelpt{SOUR}
Page 1 of 2
Document No,:
Issuing Authority:
fJ
F-CAR-CS-033-Rev.05
Pace Carolinas Quality Office
Laboratory receiving samples:
Asheville2-- Eden❑ Greenwood Huntersville❑ Raleigh❑ Mechanicsville
Client Name: WO# : 92396696
• 1 / { 0 Project #:
Courier: _QF d Ex [-]UPS ❑LISPS ❑Client
❑ Commercial ❑Pace ❑Other: 9 11111
,�- 2386685
Custody Seal Present? ,Oyes ONO Seals Intact? -Eres ON. J
Date/Initials Person x�Unj o ents
Packing Material: .0 rubble Wrap ❑Bubble Bags ❑None ❑ Other Biological Tissue Frozen?
Thermometer: ' i ❑Yes ❑No -n/A
❑ IR Gun ID: Type of Ice; Owet ❑Blue ❑None
Cooler Temp ('C): 5 •� Correction Factor: Add/Subtract ('Cj
Temp should be above freezing to 6'C
Cooler Temp Corrected ('Cl: ❑Samples out of temp criteria. Samples on ice, cooling process
r� has begun
Vim-+
USDA Regulated Soil N/A, water sample)
Did samples originate in a quarantine zone within the United States: CA, NY, or SC (check maps)? Did samples originate from a foreign source (Internationally,
FlYes nNo Inebidinv Hawaii anti Puerto Ricol? MYes MNo
Comments/Discrepancy:
Chain of Custody Present?
EYE
No
❑N/A
1.
Samples Arrived within hold Time?
C Yes
CINO
N/A
2.
Short Hold Time Analysis <72hr.?
es
No
❑N/A
3. Q )'h0
Rush Turn Around Time Requested?
[]Yes
No
❑N/A
4.
Sufficient Volume?
Zj e-s
No
❑N/A
5.
Correct Containers Used?
Pace Containers Used?
xjYes
Yes
[]No
No
❑N/A
❑N/A
6,
Containers Intact?
jars
LINo
❑N/A
7.
Dissolved analysis: Samples Field filtered?
❑Yes
0C
❑N/A
S.
Sample Labels Match COC?
-Includes Date/Time/ID/Analysis Matrix:
, _ r -21Yes
V v
[-]No
❑N/A
9.
Headspace in VOA Vials (>5-6mm)?
❑Yes
No
�N/A
10.
Trip Blank Present?
Trip Blank Custody Seals Present?
❑Yes []NO
Yes "No _
DN/A
JN/A
11.
COMMENTS/SAMPLE DISCREPANCY
Lot 10 of split containers:
CLIENT NOTIFICATION/RESOLUTION
Person contacted:
Project Manager 5CURF Review:
Project Manager SRF Review:
Date/Time:
Field Data Required? ❑Yes ❑No
Date: " x 7 7
Date: L
Page 10 of 20

Document Name: 1
Document Revised: February 7, 2018
/J-aSample
aceAnalytica!
Condition Upon Recelpt(SCUR)
Page 1 of 2
Document No.:
Issuing Authority:
F-CAR-CS-033-Rev.06
Pace Carolinas Quality Office
*Check mark top half of box if pH and/or dechlorination is
ves If ICU anu vvttuift We aLCt!PWIlCe range sus Nieaesva Lsuu
samples.
Exceptions: VOA, Collform, TOC, Oil and Grease, DRO/8015 (water) DOC, LLHS
**Bottom half of box is to list number of bottle
Project # WO# : 92396695
PM: CD1 Due Date: 09/06/18
CLIENT: 93-Hexion
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PH Adjustment Log for Preserved Samples
Sample ID
Type of Preservative
pH upon receipt
Data preservation adjusted
Time preservation
adjusted
Amount of Preservative
added
Lot I
Note: Whenever there is a discrepancy affecting North Carolina compliance samples, a copy of this form will be sent to the North Carolina DEHNR Certiflcatlon Office ji.e.
Out of hold, Incorrect preservative, out of temp, incorrect containers.
Page i 1 of 20

�aceAnalytical '
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CHAIN -OF -CUSTODY 1 Analytical Request Document
The Chain -of -Custody is a LEGAL DOCUMENT. All relevant fields must be completed accurately.
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Section A Section a Section C
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Required Client infomtalion: Required Project Information. Invoice Information:
Company: Report To: tie n-
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'Important Note: 9y sigrun this form you are a=ptdq Pace's NET 33 day payment t rns and agreeing to late charges of 1.515 per menlh Ipr aonvT4es1nd(paid Z'hm 30 days. F-ALL-G-010-rev.00, U9Nov2U17

ANALYTICAL ENVIRONMENTAL SERVICES, INC.
AES
August 31. 2018
Christopher Derouen
Pace Ana]vtical Services. Inc.
9800 KINCRY AVE, STE 100
1-1UNTERSVILLE NC 28078-8400
R 1: 923 96695
Dear Christopher Derouen: Order No: 1808N98
Analytical Environmental Services, Inc. received 1 samples on 8/25/2018 9:30:00 AM
for the analyses presented in fbllowing 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. ALS'
certifications are as follows:
-NELAI'/1=lorida State Laboratory ID 17,87582 lbr analysis of Non-l'otablc Water. Solid & Chemical Materials,
Air & Lrnissions for Organics, and Drinking Water Microbiology & Metals, effective 07/01/18-06/30/19.
-North Carolina Certification number 562 for analysis of'Surface Water, Groundwater, Effluent, effective until
12/31/18,
-South Carolina Environmental Laboratory Certification number 98016003 cllective until 6/30/19.
"These results relate only to the items tested. This report may only be reproduced in full and with written
permission from the laboratory.
If you have arty questions regarding these test results, please feel free to call.
Sincerely,
Jessica Shilling
Project Manager
3080 Presidential Drivc •Atlanta, Georgia 30340 • Tel: 770.467,81 77 • Fax: [phone] • 'roll free: 800.972.4889
",%�.aesatlanta.con' Page 13 of 20
1 of 8

Chain of Custody
loagjVq�
Workarder: 92396695 Workorder Name: Hexion-Morganton SW 08/20/2018 Results Requested By. 916/2018
.3ceAnalytical
r
www.pawfae&com
Chris Derouen
Pace Analytical Asheville P.O..
V f S 7
2225 Riverside Dr.
Asheville, NC 28804 C
Phone [phone] J
Email: chr€[e-mail] 4
a
,A Jo3 �f o
b
State of Sample Origin! NC 2 20— *s7-S-1,77
P_rsaerved catalners
;
r
,
x as
r
tLa
�Fllrtlrix
LAB
r
p -[D h
;E]aleiiirfta �
-ID .
IIN S IS.z
rr„� ei
USE ONLY
1
SW-01A
81401201815:30
92396695001
Water
X
2
3
4
5
`s{sz �
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saw. CommeeftI
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— -
Transfers
ase By
DaVfflrpe
Received By
Datefrlme
S�t� q • �'o�xv,
�
2
3
Cooler Tem erature on Receipt "C Custody Seal Y or N
Received on Ice Y or N Sam les Intact Y or N
Friday, August 24. 2018 2:06:24 PM
FMT-ALL-C=002rev.00 24March2009
Page 1 of 1
Page 14 of 20
2of8

Analytical Environmental Services, Inc
Date. 31-Aug-18
Client: Pace Analytical Services, Inc.
Project: 92396695 Case Narrative
Lab ID: 1808N98
Sample Receiving Nonconformance:
Sample for Formaldehyde analysis by Method f8315_17_W] was received Outside Method specified holding time of 72 flours.
Per Chris Derouen on 8/24/2018, proceed with analysis out of hold.
Page 15 of 20
3of8

Analytical Environmental Services, Inc
Date: 31-Aug-18
Client:
I'ace Analytical Services, Inc.
Client Sample ]b:
SW-01A
Project Name:
92396695
Collection Date:
8/20/2018 3:30:00 I'M
Lab I11:
1808N98-001
Matrix:
AqucouS
Reporting Dilution
Analyses Result Qual Units Batchll) DatcAnalyrcd Analyst
Limit Factor
Formaldehyde by SW8315A
Formaldehyde
Qualifiers: • Valuc exceeds maximum contaminant level
MI. Ilalaw reporiiug iintit
H Holding times lb, preparation or analysis exceeded
N Analyte not NELAC certified
R AnaMe detected in the associated method blank
Greater than Result value
590 50 ag1L 266310 1 08129/20 18 17:39 RF
F Estimated (value above quantitation range)
S Spi ke Recovery outside l units due to matrix
Narr See case narrative
NC Not confirmed
a Less than Result %aloe
1 Fstimaled value detected below Reporting Limit
Page 16 of 20
4 of 8

®g-MRONMENTAL
NALYTICAL
AESERVICF9, INC.
1. Client Name: Pace Analytical Services, Inc.
Clear Save as
SAMPLE/COOLER RECEIPT CHECKLIST
AES Work Order Number: 181l
2. Carrier: FedEx Q UPS ❑ USPS ❑ Client ❑ Courier0 Othet
Yes No N/A
3.
4.
5.
6.
7.
8.
9.
10,
11.
12.
Details
Comments
Shipping container/cooler received in good condition?
•
damaged ❑ leaking ❑ other❑
Custody seals present on shipping container?
•
Custody seals intact on shipping container?
•
Temperature blanks present?
•
Cooler temperature(s) within limits of 0-EPC? [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?
•
TAT marked on the CDC?
•
If no TAT indicated, proceeded with standard TAT per Terms & Conditions.
13. Cooler 1 Temperature 2.1
14. Cooler 5 Temperature
15. Comments:
16.
17.
18,
14.
20.
21.
22.
23.
24,
25.
26,
or Cooler 2 Temperature cc Cooler 3 Temperature °C Cooler 4 Temperature °C
°C Cooler 6 Temperature °C Cooler 7 Temperature °C Cooler 8 Temperature °C
I certify that I have completed sections 1-15 (dated initials). AJf 8/25/18
Yes No N/A Details Comments
Were sample containers intact upon receipt?
•
Custody seals present on sample containers?
•
Custody seals intact on sample containers?
•
Do sample container labels match the CDC?
O
©
O
incomplete info ❑ illegible Elno label ❑ other ElAre
analyses requested indicated on the CDC?
•
Were all of the samples I'ssted on the CDC received?
O
©
©
samples received but not listed on COC ❑
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)?Were
111listedonCOC
trip blanks submitted?
❑ not listed on COC ❑
27, Comrnents�
This section only applies to samples where pH can be I certify that I have completed sections 16-27 (dated initials). AJJ 8/25/iS
checked at Sample Receipt. Yes No N/A Details Comments
28. Have Containers needing chemical preservation teen cneckedr I ki I U I•
2$ Containers meet preservation guidelines? 1010101
:0. Was pH adjusted at Sample Receipt? 1 0 1 0 1•
m
mote: 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.
o I certifythat I have completed sections 28-30 (dated initials). AJJ 8/25/18
N
Z ecklist 6.9.17 Rev 2 Locked 5 of 8

Analytical Environmental Services, Inc
Date: 4-Sep-18
Client: Pace Analytical Services, Inc.
Project Name: 92396695 Dates Report
Lab Order: 1808N98
Lab Sample ID Client Sample ID Collection Date Matrix Test Name TCLP Date Prep Date Analysis Date
1808N98-001A SW-01A 8/20/2018 3:30:OOPM Aqueous Formaldehyde by SW8315A 8/29/2018 10:00:00 AM 08/29/2018
Page 18 of 20
6 of 8

Analytical Environmental Services, Inc
Client: Pace Analytical Services, Inc.
Project Name: 92396695
Work -order: 1808N 98
Date: 31-Aug-18
ANALYTICAL QC SUMMARY REPORT
BatchlD: 266310
Sample ID: NIB-266310
Client ID:
Units: ug/L
Prep Date: 08/29/2018
RunNw 378893
SampleType: 'N111LK
TestCode: Forntuldehyde by Sw8315A
BatchlD: 266310
Analysis Date: 08/29/2018
Seq No: 8438096
Analyte
Result RPT Limit SPK Value SPK Ref Val
%REC Low Limit
High Limit RPD Ref Val %)RPD
RPD Limit Qual
Formaldehyde BRL 50
Sample ID: 1,CS-266310
Client M:
Units: ug/L
Prep Date: 08/2912018
Run No: 378893
SampleType: LCS
'IestCode: Formaldeh.deby SW83l5A
BatchlD: 266310
Analysis Date: 081291201$
Seq No: 8438097
Analyte
Result RPT Limit SPK value SI'K Ref Val
%REC Low Litnit
High Limit RI'D Ref Val %RPD
RPD Limit Qua]
Formaldehyde 781.3 50 1000 78.1 70 130
Sample ID: 1808N98-001AINIS
Client [[): SW-01A
Units: ug1L
Prep Date: 08/29/2018
Run No: 378893
SampleType: MS
[estCode; Forn„ttdehyde by s%y'8315,1
13atchl D: 266310
Analysis Date: 08/29/2018
Seq No: 8438103
Analyte
Result RPT Limit SPK value SPK Ref Val
%REC Low Limit
I-ligh Limit RPD Ref Val %RPD
RPD Limit Qua]
Formaldehyde 1482 50 1000 594.5 88.7 52.6 147
Sample ID: 1808167-001GMS
Client ID:
Units: uglL
Prep Date: 0813012018
Run No: 378938
SampleType: CIS
"IestCode: Formaldehyde by sw83l5,k
BatchlD: 266310
Analysis Date: 0813012018
Seq No: 8410576
Anulyte
Result RPT Limit SPK value SPK Ref Val
%REC Logy limit
High Limit RI'D Ref'Val %RPD
RPD Limit Qual
Formaldehyde 9481 500 10000 290.6 91.9 52.6 147
Sample ID: 1808N98-001A\1SD
Client ID: Ski'-OIA
Units: ug/L
Prep Date: 08/2912018
Run No: 378893
SampleType: \15D
[estCode: Formataehydehy st1Vs3tsA
RatchlD: 266310
Analysis Date: 08/2912018
Seq No: 8438104
Analvte
Result RPT Limit SPK value SPK Ref Val
%REC Low Limit
High Limit RPD Ref Val %RPD
RPD Lintit Qua[
Formaldehyde 1452
Qualifiers: n Greater than Result value
BRL Below reporting limit
1 Estimated value detected below Reporting Limit
Rpt Lim Reporting Limit
50 1000 594.5 85.7 52.6 147 1482 2.06 23.1
< Lest than Result value
E Estimated (value above quantization range)
N Analyze not NELAC certified
S Spike Recovery outside limits due to matrix
8 Analyze detected in the associated method blank
H Ilolding times for preparation or analysis exceeded
R RPD outside limits due to matrix
Page 19 of 20
7of8

Analytical Environmental Services, Inc
Client: Pace Anahtical Services. Inc.
Project Name: 92396695
Workorder: 108N98
[late. 31-Aug-18
ANALYTICAL QC SUMMARY REPORT
Batch D. 266310
Sample ID: 18081137-001GNISD
Client ID:
Units: uI;IL
Prep Date: 08/30/2018
Run No: 378938
SampleType: MSD
lTestCode: Formaldehyde by Sw8315A
Batch[D: 266310
Analysis Date: 08/30/2018
Seq No: 8440577
Analyte
Result RPT Limit SPK value SPK Ref Val
%tRl3C Low Limit
High Limit RPD Ref Val %RPD
RPD Limit Qual
Formaldehyde 9775 500 10000 290.6 94.8 52.6 147 9481 3.05 23.1
Qualifiers: > Greater than Result value
BRL Below reporting limit
J Estimated value detected below Reporting Limit
Rpt Lim Reporting Limit
< Less than Result value
Eb Estimated (value above quantitation range)
N Analyte not NELAC certified
S Spike Recovery outside limits due to matrix
B Analyte detected in the associated method blank
H Holding limes for preparation or analysis exceeded
R RPM outside limits due to matrix
Page 20 of 20
8 of 8

Semi -Annual Storm Water Analytical Monitoring Form
Momentive Specialty Chemicals, Inc.
114 Industrial Blvd.
Morganton, North Carolina
Sample Location
Outfall 001
Sample Collection Date
f b
�
Sample Collection Time
Is this a Representative Storm Event?
Total Rainfall (inches)
,C)
Comments
S AT
Parameter
Units
Analytic l Result
Benchmark Value
Does the Analytical Result
Exceed the Benchmark Value?
Chemical Oxygen Demand (COD)
mglL
120
Ammonia
mg/L
7.2
Formaldehyde
mglL
0.5
pH
Standard
6 to 9
If any of the results exceed the benchmark values, follow the Tier One or Tier Two instructions.
Collection and Assessment By (print)
(signature)
Notes:
1) Samples must be collected during a Representative Storm Event, which is defined as:
A storm event that measures greater than 0.1 inches of rainfall and that is preceded by at least 72 hours in which no
storm event measuring greater than 0,1 inches has occurred. A single storm event may contain up to 10 consecutive
hours of no precipitation. For example, if it rains for 2 hours without producing any collectable discharge, and then
stops, a sample may be collected if a rain producing a discharge begins again within the next 10 hours.
2) Samples must be collected during the following two semi-annual periods:
October 1, 20XX through March 31, 20XX, and
April 1, 20XX through September 30, 20XX

Tier One:
If: The first valid sampling results are above a benchmark value, or outside of the benchmark
range, for any parameter at any outfall;
Then: The permittee shall:
1. Conduct a storm water management inspection of the facility within two weeks of receiving
sampling results.
2. Identify and evaluate possible causes of the benchmark value exceedence.
3. Identify potential, and select the specific: source controls, operational controls, or physical
improvements to reduce concentrations of the parameters of concem, or to bring
concentrations to within the benchmark range.
4. Implement the selected actions within two months of the inspection.
5. Record each instance of a Tier One response in the Storrwater Pollution Prevention Plan.
Include the date and value of the benchmark exceedence, the inspection date, the personnel
conducting the inspection, the selected actions, and the date the selected actions were
implemented.
Tier Two:
If: During the term of this permit, the first valid sampling results are above the benchmark values,
or outside of the benchmark range, for any specific parameter at a specific discharge outfall twc
times in a row (consecutive);
Then: The permittee shall:
1. Repeat all the required actions outlined above in Tier One.
2. Immediately institute monthly monitoring for all parameters at every outfall where a
sampling result exceeded the benchmark value for two consecutive samples. Monthly
(analytical and qualitative) monitoring shall continue until three consecutive sample results
are below the benchmark values, or vvithin the benchmark range, for all parameters at that
outfall.
3. If no discharge occurs during the sampling period, the permittee is required to submit a
monthly monitoring report indicating. "No Flow."
4. Maintain a record of the Tier Two response in the Stormwater Pollution Prevention Plan.

Semi -Annual Facility Inspectionlloreventative Maintenance Form
Momentive Specialty Chemicals, Inc.
114 Industrial Blvd.
Morganton, North Carolina
Area
Item
Inspected For
Ok
Not Ok Date Corrected
Comments
Flammable Material and Hazardous Waste Storage Building
Containers
Detedoration/Corrosion liquid releases
Valves
Securely in place, dripping liquids
Y
Concrete Pad/Berm
Pooled liquids, cracks, liquid releases
/l Doi
Sump
Staining, liquid level
Sty )
Pump System
Working properly
Non -Hazardous Waste Storage Area
Containers
Deteroration/Corrosion liquid releases
Concrete pad
Pooled liquids, cracks, liquid releases
AUW6
Gas Cylinder and Old Equipment Storage Area
Old equipment
Covered if possible
Old equipment
Leaking oiliother liquids
General area
Presence of trash/debris
Containment Pit
Pump system
Working properly
Metal cover
Securely covering pit
Raw Material and Finished Good ASTs
Tank exteriors
Cracks, deterioration, liquid releases
Valves
Leaks, corrosion
NON!li
Valves
Securely closed when not in use
Iq
AIG pipes and joints
Leaks, corrosion deterioration
11dN��
Fill pipe
Capped when not in use, corrosion, leakage
Containment area base
Liquid leaks, cracks, pooled liquids
Containment wall
Deterioration
Pumps and hoses
Cuts, cracks, corrosion deterioration
Pump system
Working properly
Page 1 of 2

Semi -Annual Facility InspectionlPreventative Maintenance Form
Momentive Specialty Chemicals, Inc.
114 Industrial Blvd.
Morganton, North Carolina
Trucking LoadinglUnloading Area
Valves
Securely in place, Dripping Oil
Concrete pad
Liquid leaks, cracks, pooled liquids
Truck LoadinglUnloading Docks
General Area
Spilled/Leaked materials
y
General Area
TrashlDebris
Trailer Storage Area
Trailer Storage Area
TrashlDebrs and blockages
Trailer Storage Area
Material spills or leaks
Trash Roll Bo>dBin
General area
Trash/Debris and blockages
General area
Liquids leaking from roll box or bin
All Other Outdoor Areas
Grates and Drains
TrashlDebris and blockages
Outfall 001
TrashlDebris and blockages
QJ�
Outfall 001
Staining or erosion issuesQ�
frl+llkS �r
EN
Page 2of2

X HEX1ON_
November 4, 2016
Hexion Inc.
14 Industrial Boulevard
Morganton, NC 28655
NC Division of Water Resources
Attn: DWR Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
SUBJECT: Hexion Inc. — Morganton, NC
NPDES Stormwater Permit NCS000332
Semi -Annual Discharge Monitoring Report
Report Period: April 1, 2016 — September 30, 2016
To Whom It May Concern:
VIA CERTIFIED MAIL
RECEIVED
NOV 09 2016
CENTRAL FILES
DWR SECTION
Please find enclosed the Discharge Monitoring Report for the report period April 1, 2016 —
September 30, 2016 for the above referenced facility. The facility stormwater outfall was
sampled on September 27, 2016 and laboratory results were received on October 18, 2016.
As a result of a consecutive benchmark exceedance for Chemical Oxygen Demand, we are
now implementing the "Tier Two" corrective actions. The results of such corrective actions will
be documented within our Storm Water Pollution Prevent Plan.
Please contact Mr. Randy Waibel or myself at 828-584-3800 if you have questions or need
additional information.
Sincerely,
HEXION INC.
q#
Jeff McDaniel
Site Leader
Attachment: Stormwater Discharge Monitoring Report (Form SWU-246)

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number: NCS 000332 or
Certificate of Coverage Number: NCG
FACILITY NAME Hexion Inc.
PERSON COLLECTING SAMPLE(S) Randy Waibel
CERTIFIED LABORATORY(S) Pace Analytical Service, Inc.
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2016
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
COUNTY Burke
PHONE NO. [phone]
Lab #40
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
50050
Outfall
No.
Date Sample
Collected
Total
Flow (if app.)
Total
Rainfall
Chemical
Oxygen
Demand
COD
Ammonia
Nitrogen
Formaldehyde
pH
001
09/27/16
NIA
0.3 inches
253 mg/1
0.34 m /I
0.234 m /l
8.1
nvVR
L FILES
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _ yes X no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity MonitorinIZ Requirements
Outfall
Date
50050
00556
00530
00400
No.
Sample
Total Flow
Total Rainfall
Oil & Grease
Non -polar
Total
pH
New Motor Oil
Collected
(if applicable)
(if appl.)
O&GITPH
Suspended
Usage
(Method 1664
Solids
SGT-HEM), if
appl.
mo/dd/ r
MG
inches
m /I
m /{
Units
al/ma
NIA
Form S WU-246, last revised 21212012
Page 1 of 2

STORM EVENT CHARACTERISTICS:
Date 09/27/2016
Total Event Precipitation (inches): 0.3
Event Duration (hours): NIA (only if applicable — see permit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable —see permit.)
Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"l certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a
system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person
or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best
of my knowledge and belief, true, accurate, and complete. I am a►vare that there are significant penalties for submitting false information,
including the possibility a fines and imprisonment for knowing violations." .. r . • r1
Jeff lVVe oiel, Site Leader, Hexion Inc.
1(19/16
Date
Form SWU-246, last revised 21212012
Pace 2 of 2

aceAnalXical
www,pacelabs.com
October 14, 2016
Randy Waibel
Hexion
114 Industrial Blvd
Morganton, NC 28655
RE: Project: Stormwater
Pace Project No.: 92314158
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Ne.5 abo 33a
ReGej 1` '
Gov o 9 2016
�WR
SECTION
Dear Randy Waibel:
Enclosed are the analytical results for sample(s) received by the laboratory on September 29, 2016.
The results relate only to the samples included in this report. Results reported herein conform to the
most current, applicable TNIINELAC standards and the laboratory's Quality Assurance Manual,
where applicable, unless otherwise noted in the body of the report.
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Chris Derouen
[e-mail]
Project Manager
Enclosures
cc: Mr. Phil Busovne, Hexion
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 12

aceAnalXical
wwwpacelabs.com
Project: Stormwater
Pace Project No.: 92314158
Ormond Beach Certification IDs
8 East Tower Circle, Ormond Beach, FL 32174
Alabama Certification #: 41320
Connecticut Certification #: PH-0216
Delaware Certification: FL NELAC Reciprocity
Florida Certification #: E83079
Georgia Certification #: 955
Guam Certification: FL NELAC Reciprocity
Hawaii Certification: FL NELAC Reciprocity
Illinois Certification #: 200068
Indiana Certification: FL NELAC Reciprocity
Kansas Certification #: E-10383
Louisiana Certification #: FL NELAC Reciprocity
Louisiana Environmental Certificate #: 05007
Maryland Certification: #346
Michigan Certification #: 9911
Mississippi Certification: FL NELAC Reciprocity
Missouri Certification #: 236
Montana Certification #: Cert 0074
Asheville Certification IDs
2225 Riverside Drive, Asheville, NC 28804
FloridalNELAP Certification #: E87648
Massachusetts Certification #: M-NC030
North Carolina Drinking Water Certification #: 37712
Pace Analytical Services, LLC
2225 Riverside Cr.
Asheville, NC 28804
[phone]
CERTIFICATIONS
Nebraska Certification: NE-OS-28-14
Nevada Certification: FL NELAC Reciprocity
New York Certification #: 11608
North Carolina Environmental Certificate #: 667
North Carolina Certification #: 12710
Oklahoma Certification #: D9947
Pennsylvania Certification #: 68-00547
Puerto Rico Certification #: FLO1264
South Carolina Certification: #96042001
Tennessee Certification #: TN02974
Texas Certification: FL NELAC Reciprocity
US Virgin Islands Certification: FL NELAC Reciprocity
Virginia Environmental Certification #: 460165
Wyoming Certification: FL NELAC Reciprocity
West Virginia Certification #: 99620
Wisconsin Certification #; 399079670
Wyoming (EPA Region 8): FL NELAC Reciprocity
North Carolina Wastewater Certification #: 40
South Carolina Certification #; 99030001
VirginiaNELAP Certification #: 460222
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, L.L.C. Page 2 of 12

lane.Analyfical
mm.pacelabs.mm
Project: Stormwater
Pace Project No.: 92314158
Lab ID Sample ID
SAMPLE SUMMARY
Matrix Date Collected Date Received
92314158001 STORMWATER Water 09/28116 00:00 09/29/16 10:00
REPORT OF LABORATORY ANALYSIS
This report shall not he reproduced, except in full,
without the written consent of Pace Analytical Services, LLC,
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Page 3 of 12

laneAnalyficalo
www.pacelBbs.com
SAMPLE ANALYTE COUNT
Project: Stormwater
Pace Project No.! 92314158
Pace Analytical Services, LLC
2225 Riverside Dr,
Asheville, NC 28804
[phone]
Analytes
Lab ID Sample ID Method Analysts Reported laboratory
92314158001 STORMWATER EPA 8315 CRT 1 PASI-0
EPA 350.1 1993 Rev 2.0 DMN 1 PASi-A
SM 5220D SER 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 4 of 12
I

Pace Analytical Services, LLC
aceAshevihevi Ana ® Riverside lle, NC 2880404
www.pacelabs.mm [phone]
ANALYTICAL RESULTS
Project: Stormwater
Pace Project No.: 9231415E
Sample: STORMWATER La61D: 92314158001 Collected: 09128/1600:00 Received: 09129/1610:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
8315 W HPLC Analytical Method: EPA 8315 Preparation Method: EPA 8315
Formaldehyde 234 ug1L 0.10 1 09/30/16 10:20 10/01/16 01:54 50-00-0
350.1 Ammonia Analytical Method: EPA 350.1 1993 Rev 2.0
Nitrogen, Ammonia 0.34 mg1L 0.10 1 10/11/16 18:47 7664-41-7
5220D COD Analytical Method: SM 5220D
Chemical Oxygen Demand 253 mglL 25.0 1 10/14/16 02:35
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 1011412016 03;45 PM without the written consent of Pace Analytical Services, LLC, Page 6 of 12

aceAnalytical
www,pawlabs, cram
Project: Stormwater
Pace Project 1 92314158
QC Batch: 323662
QC Batch Method: EPA 8315
Associated Lab Samples: 92314158001
METHOD BLANK: 1724941
Associated Lab Samples: 92314158001
Parameter Units
Formaldehyde ug/L
LABORATORY CONTROL SAMPLE: 1724942
Parameter Units
Formaldehyde ug/L
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
QUALITY CONTROL DATA
Analysis Method: EPA 8315
Analysis Description: 8318 HPLC
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 0.10 10/01/16 0013
Spike LCS LCS % Rec
Cone. Result % Rec Limits Qualifiers
200 120 60 39-153
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1724943 1724944
MS MSD
35268148001 Spike Spike MS MSD MS MSD % Rec Max
Parameter Units Result Cone. Cone. Result Result % Rec % Rec Limits RPD RPD Qual
Formaldehyde ug/L 99.0 200 200 207 196 53.8 48.5 39-153 5.2 30
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: 10/14/2016 03:45 PM without the written consent of Pace Analytical Services, LLC. Page 6 of 12

(�IaneAnalytcalo
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Project: Stormwater
Pace Project No.: 92314158
QC Batch: 332616
QC Batch Method: EPA 350.1 1993 Rev 2.0
Associated Lab Samples: 92314158001
METHOD BLANK: 1843219
Associated Lab Samples: 92314158001
Parameter Units
Nitrogen, Ammonia mg/L
QUALITY CONTROL DATA
Analysis Method: EPA 350.1 1993 Rev 2.0
Analysis Description: 350.1 Ammonia
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 0.10 10/11/1618:30
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
LABORATORY CONTROL SAMPLE: 1843220
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
Nitrogen, Ammonia mg1L 5 5.2 104 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1843223 1843224
MS MSD
92314125001 Spike Spike MS MSD MS MSD % Rec Max
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD RPD Qual
Nitrogen, Ammonia mg/L ND 5 5 5.1 5.1 101 101 90-110 0 7
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1843225 1843226
MS MSD
132314126001 Spike Spike MS MSD MS MSD % Rec Max
Parameter Units Result Conc. Conc, Result Result % Rec % Rec Limits RPD RPD Qual
Nitrogen, Ammonia mg/L NO 5 5 4.8 4.8 96 96 90-110 0 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: 10114/2016 03:45 PM without the written consent of Pace Analytical Services, LLC.
Page 7 of 12

aceAnalytrcal
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QUALITY CONTROL DATA
Project: Stormwater
Pace Project No.: 92314158
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NC 28804
[phone]
QC Batch: 332741
Analysis Method: SM 5220D
QC Batch Method: SM 5220D
Analysis Description: 5220D
COD
Associated Lab Samples. 92314158001
METHOD BLANK: 1843958
Matrix: Water
Associated Lab Samples: 92314158001
Blank Reporting
Parameter Units
Result Limit
Analyzed Qualifiers
Chemical Oxygen Demand mg1L
ND 25.0
10/14/16 02:35
LABORATORY CONTROL SAMPLE: 1843959
Spike LCS
LCS % Rec
Parameter Units
Conc. Result
% Rec Limits Qualifiers
Chemical Oxygen Demand mg/L
750 765
102 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1843960 1843961
MS MSD
92314955001
Spike Spike MS
MSD MS MSD % Rec Max
Parameter Units Result
Conc. Conc, Result
Resu€t % Rec % Rec Limits RPD RPD Qual
Chemical Oxygen Demand mg/L 128
1500 1500 1570
1550 96 95 90-110 1 3
MATRIX SPIKE & MATRIX SPIKE DUPLICATE; 1843962 1843963
MS MSD
92314170003 Spike Spike MS MSD MS MSD % Rec Max
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD RPD Qual
Chemical Oxygen Demand mg1L 47.0 750 750 743 736 93 92 90-110 1 3
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: 10/14/2016 03:45 PM without the written consent of Pace Analytical Services, LLC.
Page 8 of 12

,4 (�IacieAnalytical"
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QUALIFIERS
Project: Stormwater
Pace Project No.: 92314168
DEFINITIONS
Pace Analytical Services, LLC
2225 Riverside Dr.
Asheville, NO 28804
[phone]
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.
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL -Adjusted Method Detection Limit.
POL - Practical Quantitation Limit.
RL- Reporting Limit.
S - Surrogate
1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The resu)t 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.
f CS(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-Nit rosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for
each analyte is a combined concentration.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC Institute.
W11=I47:?1,1110]VI*9
PASI-A Pace Analytical Services -Asheville
PASI-0 Pace Analytical Services - Ormond Beach
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/1412016 03:45 PM without the written consent of Pace Analytical Services, LLC. Page 9 of 12

lacmnalXicafo
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QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: Stormwater
Pace Project No.: 92314158
Pace Analytical Services, LLC
2225 Riverside Dr,
Asheville, NC 28804
[phone]
Analytical
Lab ID
Sample ID
QC Batch Method
QC Batch Analytical Method Batch
92314158001
STORMWATER
EPA 8315
323662 EPA 8315 323761
92314158001
STORMWATER
EPA 350.1 1993 Rev 2.0
332616
92314158001
STORMWATER
SM 5220D
332741
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full.
Date: 10/1412016 03:45 PM without the written consent of Pace Analytical Services, LLC. Page 10 of 12

Document Name:
Document Revised: Sept. 21, 2016
1r73 eAnaVical"
Sample Condition Upon Receipt(SCUR)
Page 1 of 2
Document No.;
Issuing Authority:
F-CAR-CS-033-Rev.00
Pace Quality Office
aava 7 of ? fnr Internal Use ONLY
MIRM, Clie
nt Name: id. Px WO# : 92314159
Courier: edEx UPS Projectl
❑USPS 4Client III 1111111111111111111
❑ Commercial 013ace ❑Other: 92314158
Custody Seal Present? Oyes o Seals Intact? []Yes ❑No
Date/Initials Person Examining Contents" k
Packing Material: ❑Bubble Wrap ❑Bubble Bags None ❑Other. ��`�7�/
Thermometer:
�IR Gun [D; Type of Ice: ❑ WV/ ❑Blue []None ❑Samples on ice, cooling process has begtan
Correction Factor: 0 , 0 CC ierTemp Corrected (°C): _�g, (} Biological Tissue Frozen? ❑Yes ❑No ❑tad/A
Temp should be above free ing to 6-C
USDA Regulated Soil( E2 N/A, water sample)
Did samples originate in a quarantine zone within the United States: CA, NY, or SC (check maps}? Did samples originate from a foreign source (inter tionally,
MYes nNn includin¢ Hawaii and Puerto Rico)? nYes Nt,
Comments/Discrepancy:
Chain of Custody Present?
Ea a
❑No
[-]N/A
I.
Samples Arrived within Hold Time?
es
[]No
❑N/A
2.
Short Hold Time Analysis (02 hr.)?
❑Yes
Olo
❑N/A
3.
Rush Turn Around Time Requested?
❑Yes
❑No
❑N/A
4.
Sufficient volume?
es
❑No
❑N/A
5.
Correct Containers Used?
s
❑No
❑N/A
6.
-Pace Containers Used?
Y s
❑No
❑N/A
Containers Intact?
Yes
❑No
❑N/A
7.
Samples Field Filtered?
(-]yes
❑No
N/A
S. Note if sediment is visible in the dissolved container
Sample Labels Match COC?
❑ es
2No
❑N/A
9. /V;
-Includes Date/Time/ID/Analysis Matrix;
All containers needing acid/base preservation have been
10.
checked and documented on page two of SCURF?
�Y s
❑No
/A
Exceptions: VOA, Coliform, TOC, Oil and Grease, DRO/9015
(water) DOC, LLHg
Samples checked for dechlorination?
Q eY s
❑No
[]N/A
11.
Headspace in VOA Vials (>5-6mm)?
❑yes
[IN.
N/A
12,
Trip Blank Present?
❑Yes
❑No
N/A
13,
Trip Blank Custody Seals Present?
❑Yes
❑No
EB N/A
Pace Trip Blank Lot If (if purchased):
CLIENT NOTIFICATION/RESOLUTION
Person Contacted: Date/Time:
Comments/Sample
Disc(epancy:
Field Data Required? Oyes ONO
Project Manager SCURF Review: Date:
Project Manager SRF Review; ��� Date: T
Plote: Whenever there is a discrepancy affecting North Carolma compliance samples, a copy of this form will be sent to the North
Out of hold, incorrect preservative, out of temp, incorrect containers)
Laboratory receiving samples:
Asheville Eden❑ Greenwood ❑ Huntersville ❑ Raleigh[]
2-711,
Ina' EHNR Certification Office (i.e.
Mechanicsville❑
Page 11 of 12

i
PaceAnaMical"
CHAIN -OF -CUSTODY 1 Analytical Request Document
The Chain -of -Custody is a LEGAL DOCUMENT. All relevant fields must be completed accurately.
w .FaceIaes.c0m
_
Page: of N
Section A Section B Section C./
m
Required Client Informalion: Required Project Inlormalion: Invoice Information:
r
2045391
Company. - Report To: Attention:
Address:
� 1 �����
Copy To:
Company Nant t
REGULATORY AGENCY
�, �,! ✓+GL
�
M0'—Z.I 1�7k C
Address- -
L`¢ ` A/,
NPDES } GROUNDWATER j— DRINKING WATER
.UST
C-., l V -si
G 'Y / (�
i RCRA I— OTHER
Emasl To; � I r � t -
Purchasa Order No.:
Pace QuWq
• t vl 7 1pi� 1 fit i��f �j i•
CrY "7
Referenttr:
P
Project Name:
lace Praiecl
Site Location
i c••^mil I'/S
Manager- e
SrArE:
f rC�
Requested Due DatefTAT:
Project Numtler:
Paco Prohlc r1;
Requested
Analysis
Filtered
(IN
Section D Matrix codes
�
z
Required CiwtInlon Wn MATRIX I CODE
o
0.
COLLECTED
Preservatives
}
Drinking Water oW
O
U
11
o
Water WT
Waste Water WW
S
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COMPnSrTE
CQAlPCSIIE
EHO GR 8
C1
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w
soillsolid SL
(i
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SAMPLE ID wi OL
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(A-Z. 0-91 ,-) Arp AR
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Sample IDs MUST BE UNIQUE Tissue TS
pw
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ti
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=
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Pa l�r� ct No./ Lab I.D.
1
2
3
4
5
6
7
8
9
is
si
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ADDITIORAL COMMENTS
RELINQUISHED BY I AFFILIATION
DATE
TIME
ACCEPTED BYIAFFILIATfOI
D E
TIME
SAMPLE CONDITIONS
.awl
I61d)
6
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16
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ORIGINAL=
SAMPLER NAME AND SIGNATURE
PRINT Name of SAMPLER:
'o L) Z
—
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SIGNATURE of SAMPLER:
DATE Signed
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lnlp -'u t Nola•_ By zx.y n l Ine: loan yov am accepurxt Pace's NE 1 30 dory µr munl rcrms ane agree rY, to late ct-lgr.-: nl 1.5% Ivor Mrdh I« any -7 wwr, not p> d —0,,n 30 rcyL,- F-ALL-0-020rev.07, 15-May-2007

X HEXION'
April 29, 2016
Hexion Inc.
114 Industrial Boulevard
Morganton, NC 28655
NC Division of Water Resources
Attn: DWR Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
SUBJECT: Hexion Inc. — Morganton, NC
NPDES Stormwater Permit NCS000332
Semi -Annual Discharge Monitoring Report
Report Period: October 1, 2015 — Marcch 30,
To Whom It May Concern:
VIA CERTIFIED MAIL
RECEIVED
MAY 2 5 Z016
CENTRAL FILES'
DWR SECTrnpo
Please find enclosed the Discharge Monitoring Report for the report period October 1, 2015 —
March 31, 2016 for the above referenced facility. The facility stormwater outfall was sampled
on March 28, 2016 and laboratory results were received on April 14, 2016.
As a result of a benchmark exceedance for Chemical Oxygen Demand, we are now
implementing the "Tier One" corrective actions. The results of such corrective actions will be
documented within our Storm Water Pollution Prevent Plan.
Please contact Mr. Randy Waibel or myself at 828-584-3800 if you have questions or need
additional information.
Sincerely,
HEXION INC.
W44
Jeff McDaniel
Site Leader
Attachment: Stormwater Discharge Monitoring Report (Form SWU-246)

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number: NCS 000332 or
Certificate of Coverage Number: NCG
FACILITY NAME Hexion Inc.
PERSON COLLECTING SAMPLE(S) Randy Waibel
CERTIFIED LABORATORY(S) Pace Analytical Service Inc.
Part A: Specific Monitoring Requirements
NI
SAMPLES COLLECTED DURING CALENDAR YEAR: 2016
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
COUNTY Burke
PHONE NO. 8{ 28) 219-3504
Lab # 40
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
50050
Outfall
No.
Date Sample
Collected
Total
Flow (if app.)
Total
Rainfall
Chemical
Oxygen
Demand
COD
Ammonia
Nitrogen
Formaldehvde
pH
001
03/28/16
NIA
0.5 inches
166 m /l
0.55 m /l
0.131 m /l
7.23
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month?
(if yes, complete Part B)
Part B. Vehicle Maintenance Activity Monitorin = Requirements
yes X no
Outfall
Date
50050
00556
00530
00400
No.
Sample
Total Flow
Total Rainfall
Oil & Grease
Non -polar
Total
pH
New Motor Oil.
Collected
(if applicable)
(if appl.)
O&G/TPH
Suspended
Usage
(Method 1664
Solids
SGT-HEM), if
appi.
mo/dd/ r
JMG
inches
mg/1
mg/1
Units
al/mo
NIA
Form SWU-246, last revised 21212012
Page I of 2

STORM EVENT CHARACTERISTICS:
Date 03/28/2016
Total Event Precipitation (inches): 0.5
Event Duration (hours): N/A (only if applicable —see permit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"1 certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a
system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person
or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best
of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information,
including the possibility of fines and imprisonment for knowing violations."
Jeff N*IP44jkl, Site Leader, Hexion Inc.
Date
Form SWU-246, last revised 21212012
Page 2 of 2

(� C S-0 0033 a --
aceAnalytical
wwwpacelabs WM
April 12, 2016
Randy Waibel
Hexion
114 Industrial Blvd
Morganton, NC 28655
RE: Project: NPDES SW 3128
Pace Project No.: 92291719
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28604
[phone]
Dear Randy Waibel:
Enclosed are the analytical results for sample(s) received by the laboratory on March 29, 2016. The
results relate only to the samples included in this report. Results reported herein conform to the
most current TN standards and the laboratory's Quality Assurance Manual, where applicable, unless
otherwise noted in the body of the report.
Analyses were performed at the Pace Analytical Services location indicated on the sample analyte
page for analysis unless otherwise footnoted.
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Chris Derouen
[e-mail]
Project Manager
Enclosures
cc: Mr. Phil Busovne, Hexion
��F P'URp
_o
1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc.,
Page Z of 12

acmnalytical
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CERTIFICATIONS
Project: NPDES SW 3128
Pace Project No.: 92291719
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Ormond Beach Certification IDs
8 East Tower Circle, Ormond Beach, FL 32174
Nebraska Certification: NE-OS-28-14
Alabama Certification #: 41320
Nevada Certification: FL NELAC Reciprocity
Connecticut Certification #: PH-0216
New York Certification #: 11608
Delaware Certification: FL NELAC Reciprocity
North Carolina Environmental Certificate #: 667
Florida Certification #: E83079
North Carolina Certification #: 12710
Georgia Certification #: 955
North Dakota Certification #: R-216
Guam Certification: FL NFtAC Reciprocity
Oklahoma Certification #: D9947
Hawaii Certification: FL NELAC Reciprocity
Pennsylvania Certification #: 68-00547
Illinois Certification #: 200068
Puerto Rico Certification #: FLO1264
Indiana Certification; FL NELAC Reciprocity
South Carolina Certification: #96042001
Kansas Certification #: E-10383
Tennessee Certification #: TN02974
Louisiana Certification #: FL NELAC Reciprocity
Texas Certification: FL NELAC. Reciprocity
Louisiana Environmental Certificate #: 05007
US Virgin Islands Certification: FL NELAC Reciprocity
Maryland Certification: #346
Virginia Environmental Certification #: 460165
Michigan Certification #: 9911
Wyoming Certification: FL NELAC Reciprocity
Mississippi Certification: FL NELAC Reciprocity
West Virginia Certification #: 9962C
Missouri Certification #: 236
Wisconsin Certification #: 399079670
Montana Certification #: Cert 0074
Wyoming (EPA Region 8): FL NELAC Reciprocity
Asheville Certification IDs
2225 Riverside Drive, Asheville, NC 28804 North Carolina Wastewater Certification #: 40
Florida/NELAP Certification #: E87648 South Carolina Certification #: 99030001
Massachusetts Certification #: M-NC030 VirginiaNELAP Certification #: 460222
North Carolina Drinking Water Certification #. 37712
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, Inc.. Page 2 of 12

aceAnalytical
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SAMPLE SUMMARY
Project: NPDDS SW 3128
Pace Project No.: 92291719
Lab ID Sample ID Matrix Date Collected Date Received
92291719001 SDO-001 Water 03/28/1617:20 03/29/1610:15
REPORT OF LABORATORY ANALYSIS
This report shall not he reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Page 3 of 12

laneAnalytical"
wwwpacelabs.com
SAMPLE ANALYTE COUNT
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Project:
Pace Project No.:
NPDES SW 3128
92291719
Analytes
Lab ID
Sample I❑
Method
Analysts
Reported
Laboratory
92291719001
SDO-001
EPA 8315
CRT
1
PASI-O
EPA 350.1
AES2
1
PASI-A
SM 5220D
WRC
1
PASI-A
REPORT OF LABORATORY ANALYSIS
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leAnalytical"
Pace Analytical Services, Inc.
•
2225 Riverside
Asheville, NC 28804Q4
www.p"iabs.com
[phone]
ANALYTICAL RESULTS
Project: NPDES SW 3128
Pace Project No.: 92291719
Sample: SDO-001
Lab ID: 92291719001 Collected: 03/28/16 17:20 Received:
03/29/16 10:15 Matrix: Water
Parameters
Results Units Report Limit DF Prepared
Analyzed CAS No. Qua[
8315 VV HPLC
Analytical Method: EPA 8315 Preparation Method: EPA 8315
Formaldehyde
131 ug/L 0.10 1 03/3111613:40 0313111619:33 50-00-0 N2
350.1 Ammonia
Analytical Method: EPA 350.1
Nitrogen, Ammonia
0.55 mg1L 0.10 1
03131/16 14:23 7664-41-7
5220D COD
Analytical Method: SM 5220D
Chemical Oxygen Demand
166 mg1L 25.0 1
03131/1621:50
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 04112/2016 01:11 PM without the written consent of Pace Analytical Services, Inc., Page 5 of 12

(�5a'cieAna,(Xical*
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Project: NPDES SW 3128
Pace Project No.: 92291719
QC Batch: OEXT127317
OC Batch Method: EPA 8315
Associated Lab Samples: 92291719001
METHOD BLANK: 1523060
Associated Lab Samples: 92291719001
Parameter
Formaldehyde
QUALITY CONTROL DATA
Analysis Method: EPA 8315
Analysis Description: 8318 HPLC
Matrix: Water
Blank Reporting
Units Result Limit Analyzed Qualifiers
ug1L 2.5 0.10 03/31/1618:52 N2
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
LABORATORY CONTROL SAMPLE: 1523061
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
Formaldehyde ug/L 200 124 62.2 39-153 N2
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1523063 1523064
MS MSD
92291719001 Spike Spike MS MSD MS MSD % Rec Max
Parameter Units Result Conc. Conc. Result Result % Rec eta Rec Limits RP❑ RPD Qual
Formaldehyde ug/L 131 200 200 278 223 73.4 46 39-153 21.9 30 N2
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: 04/12/2016 01:11 PM without the written consent of Pace Analytical Services, Inc..
Page 6 of 12

r
lacieAnalyticaI
wwwpacefabsxom
Project: NPDES SW 3128
Pace Project No.: 92291719
QC Batch: WETA127008
QC Batch Method: EPA 350.1
Associated Lab Samples: 92291719001
METHOD BLANK: 1698449
Associated Lab Samples: 92291719001
Parameter Units
Nitrogen, Ammonia mg/L
LABORATORY CONTROL SAMPLE: 1698450
Parameter Units
Nitrogen, Ammonia mg1L
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
QUALITY CONTROL DATA
Analysis Method: EPA 350.1
Analysis Description: 350.1 Ammonia
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 0.10 03/31/1613:50
Spike LCS LCS % Rec
Conc. Result % Rec Limits Qualifiers
5 5.0 100 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1698451 1698452
MS MSD
92291531002 Spike Spike MS MSD MS MSD % Rec Max
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD RPD Qua]
Nitrogen, Ammonia mg/L 7.0 5 5 11.9 11.9 98 99 90-110 0 7
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1698453 1698454
MS MSD
92291668001 Spike Spike MS MSD MS MSD % Rec Max
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD RPD Qual
Nitrogen, Ammonia mg/L ND 5 5 5.0 5.0 100 100 90-110 0 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: 04/12/2016 01 A 1 PM without the written consent of Pace Analytical Services, Inc..
Page 7 of 12

Pace Analytical Services, Inc.
Analytical to
2225 Riverside Dr, t
Asheville, NC 28804
www..pacelabs.com
[phone]
QUALITY CONTROL DATA
Project: NPDES SW 3128
Pace Project No.: 92291719
QC Batch: WETAl27012
Analysis Method: SM 5220D
QC Batch Method: SM 5220D
Analysis Description: 5220D COD
Associated Lab Samples: 92291719001
METHOD BLANK: 1698836
Matrix: Water
Associated Lab Samples: 92291719001
Blank Reporting
Parameter Units
Result Limit Analyzed
Qualifiers
Chemical Oxygen Demand mg/L
ND 25.0 03/31/16 21:50
LABORATORY CONTROL SAMPLE: 1698837
Spike LCS LCS % Rec
Parameter Units
Cone. Result % Rec Limits
Qualifiers
Chemical Oxygen Demand mg1L
750 764 102 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1698838 1698839
MS MSD
92291577002
Spike Spike MS MSD MS
MSD
% Rec
Max
Parameter Units Result
Cone. Cone. Result Result % Rec
% Rec
Limits
RPD RPD Qual
Chemical Oxygen Demand mg/L ND
750 750 740 740 98
98
90-110
0 3
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1698840 1698841
MS MSD
92291819009
Spike Spike MS MSD MS
MSD
% Rec
Max
Parameter Units Result
Conc. Cone. Result Result % Rec
% Rec
Limits
RPD RPD Qual
Chemical Oxygen Demand mg/L 40.0
750 750 766 766 97
97
90-110
0 3
an
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: 04/12/2016 01:11 PM without the written consent of Pace Analytical Services, Inc..
Page 8 of 12

' aceAnalytrcal'
www.pacelabs.com
QUALIFIERS
Project: NPDES SW 3128
Pace Project No.. 92291719
DEFINITIONS
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, K 28804
[phone]
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.
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.
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)
Di - Sample Duplicate
RPD - Relative Percent Difference
NC - Not Calculable.
SG - Silica Gel - Cteai
U - Indicates the compound was analyzed for, but not detected.
Acid preservation may not be appropriate for 2 Chloroethylvinyl ether, Styrene, and Vinyl chloride.
A separate vial preserved to a i 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.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC Institute.
LABORATORIES
PASI-A Pace Analytical Services -Asheville
PASI-O Pace Analytical Services - Ormond Beach
ANALYTE QUALIFIERS
N2 The lab does not hold TNI accreditation for this parameter.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 04/12/2016 01:11 PM without the written consent of Pace Analytical Services, Inc.. Page 9 of 12

m
acMnalytical
w wpacelabs.com
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: NPDES SW 3128
Pace Project No.: 92291719
Crab ID
Sample ID
QC Batch Method
92291719001
SDO-001
EPA 8315
92291719001
SDO-001
EPA 350.1
92291719001
SDO-001
SM 5220D
Date: 04112/2016 01:11 PM
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, 128804
[phone]
QC Batch Analytical Method
0EXT127317 EPA 8315
WETA127008
WETA127012
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Analytical
Batch
GCSV117763
Page 10 of 12
J

Document Name:
Document Revised: ISFE32016
aceAnalytical
Sample Condition Upon Receipt(SCUR)
Page 1 of 2
Document NO.:
Issuing Authority:
F-CHR-CS-003-rev.18
Pace Huntersville Quality Office
Courier:
❑ Commercial
Client Name:
Project
WQ# :922917 A'
IIIIII IIIIIIIIII III III
92291719
es ❑No
pate/Initials Person Examining Contents: 7/ ram-( m
❑None ❑Other:
Thermometer: IR Gun 95 SN: 15527198 ❑ Type of Ice: ZWet []Blue []None
Correction Factor: 0,0°C Cooler Temp Corrected (°C): __2�1 S
Temp should he above freezing to VC
USDA Regulat Soil ( E] N/A, water sample)
Did samp!LcAriginate in a quarantine zone within the United States: CA, NY, or 5C (check maps)?
❑Yes VJNo
�jFed Ex ❑UPS ❑LISPS []Client
❑Pace nOther:
Custody Seal Present? ❑Yes No =Bubble
Packing Material; ❑Bubble Wrap s
g
[]Samples on ice, cooling process has begun
Biological Tissue Frozen? ❑Yes ❑No ` N/A
Did samples originate from a foreign source (inter tonally,
Including Hawaii and Puerto Rico)? ❑Yes No
COMMENTS:
Chain of Custody Present?
a
[IN-
❑N/A
1.
Chain of Custody Filled Out?
Ye
❑Na
❑NIA
2.
Chain of Custody Relinquished?
es
No
[I N/A
3.
Sampler Name and/or Signature on COC?
a
j]No
El N/A
4.
Samples Arrived within Hold Time?
Yes
❑N
❑N/A
5.
Short Hold Time Analysis (02 hr)?
❑Yes
No
N/A
6.
Rush Turn Around Time Requested?
❑Yes
No
❑N/A
7.
Sufficient Volume?
a
❑No
❑NIA
8.
Correct Containers Used?
-Pace Containers Used?
Ye
Yes
[]No
No
[I NIA
❑N/A
9.
Containers Intact?
Yes
ON.
❑NIA
10.
Filtered Volume Received for Dissolved Tests?
❑Yes
❑No
/A
11. Note if sediment is visible in the dissolved container
Sample Labels Match COC7
-Includes Date/Time/ID/Analysis Matrix:
ElYes
❑No
❑NIA
12.
All containers needing acid/base preservation have been
checked?
All containers needing preservation are found to be in
compliant ith EPA recommendation?
(HNO Hz504 HCI<2, NaOH >9 Sulfide, NaOH>12 Cyanide)
Exceptions: VOA, Coliform, TOC, Oil and Grease,
DRO/8015 (water) DOC,LLHg
P<s
Yes
❑Yes
❑No
❑No
❑N❑
❑NIA
❑N/A
MNJA
13.
Samples checked for dechlorination
ZYes
❑No
❑N A—
14.
Headspace in VOA Vials (>5-6mm)?
❑Yes
❑Na
N/
15.
Trip Blank Present?
Trip Blank Custody Seals Present?
Pace Trip Blank Lot d (if purchased):
❑Yes
❑Yes
❑No
❑No
/A
NIA
16.
CLIENT NOTIFICATION/RESOLUTION
Person Contacted: Date/Time:
.............
Comments/Resolution:
Field Data Required? ❑Yes ❑No
Project Manager SCURF Review: / Date:
Project Manager SRF Review: Date: J/�1
Note: Wheneverthere is a discrepancy affecting North Carolina compliance samples, a copy of this form will be sent to the North Carolina DEHNR Certification Office (i.e.
Out of hold, incorrect preservative, out of temp, incorrect contalners) Page 11 of 12

i
2aceAnalyfical*
wrrur_nacelahs, cam
CHAIN -OF -CUSTODY 1 Analytical Request Document
The Chain -of -Custody is a LEGAL DOCUMENT. All relevant beads must be completed accurately.
Section A Section B Section C
Page: of ,
Required Gient Information: Required Project Information. Invoice Information:
Company: Report To: Attention: rf
d
2003764
O- �r i0cl, O-1 -1p
Atldr Copy
f
Tc: If
Camp Name:
) G,r, n ,
REGULATORY AGENCY
•7
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Ad r s �d�F�/'I•_ rj'`�
;� PDES GROUND WATER r DRINKING WATER
UST RCRA (" OTHER
EZPurchase
Order
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Wio,--544
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Site Location
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STATE:
Requested Duo DatefTAT: Project
Number:
Pace Prattle q:
Requested
Analysis
Filtered
(YIN)
Section D Matrix Codes
—
z
Required Client tntormabon MATRIX r
3
COLLECTED
Preservatives
3::
4
Drinking Water DW
Lei
zo
Water WT
�j
corrpesne
fQ
Waste Water WW
Product p
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conwositE
sTAM
E,.,AE
U
us
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SciVSolid SL
SAMPLE ID Oil
wP
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ii
"
p
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w
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Wipe
(A-Z. 0-9 1,-) Air ARtu
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Ui
2
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Sample IUs MUST BE UNIQUE Tissue TS
O
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in
U
Other OT
U
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J
W
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DATE
TIME
TIME
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at
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Project No.1 Lab I. .
rjDJATEE
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3
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6
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9
10
71
121
ADDITIONAL COMMENTS
RELINQUISHED BY f AFFILIATION
DATE
TIME
ACCEPTED BY 1 AFFILIATION
DATE
TIME
TIME
SAMPLE CONDITIONS
' .ffcJ[%CiT
.J 20
'�; (ri.'r
N /1(h
5/24/k
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kq
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ORIGINAL
SAMPLER NAME AND SIGNATURE
v
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_
v
_
PRINT Name of SAMPLER: r�
-DATE Signed
SIGNATURE of SAMPLER: �a {Mhi/DDIYY) j}3J %41--
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L)
rn
'important Nose: By signing Skis form you arc arsaPting Paces NET 30 day payment terns and agreeug to late charges of 1.5% per month for any invoices rot P10+Kthm 30 days. F-ALL-0-020rev.07, 15-May-20D7

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number: NCS 000332 or
Certificate of Coverage Number: NCG
FACILITY NAME Hexion Inc.
PERSON COLLECTING SAMPLE(S) Randy Waibel
CERTIFIED LABORATORV(S) Pace Analytical Service, Inc.
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2015
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
COUNTY Burke 4--"
PHONE NO. [phone] C=C==
Lab # 40
SIGNATURE OF PERMITTEE OR DESIGNEE
REOUIRED ON PAGE 2.
50050
1600
Outfall
No.
Date Sample
Collected
Total
Flow (if app.)
Total
Rainfall
Chemical
Oxygen
Demand
COD
Ammonia
Nitrogen
Formaldehyde
pH
-WA6
001
09/24/15
N/A
3.25 inches
73 m /I
0.43 m /l
0.786 m /I
7.29
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? yes X no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall
Date
50050
00556
00530
00400
No.
Sample
Total Flory
Total Rainfall
Oil & Grease
Non -polar
Total
pH
New Motor Oil
Collected
(if applicable)
(if appl.)
O&G/TPH
Suspended
Usage
(Method 1664
Solids
SGT-HEM), if
appl.
mo/dd/ r
MG
inches
mg/1
m /l
Units
al/mo
NIA
Form SWU-246, last revised 21212012
Page I of 2

STORM EVENT CHARACTERISTICS:
Date 09/24/2015
Total Event Precipitation (inches): 3.25
Event Duration (hours): N/A (only if applicable —see permit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a
system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person
or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best
of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information,
including the possibility of finqw�and imprisonment for knowing violations."
Jeff McDaniklASke)Leader, Hexion Inc.
Date
Form SWU-246, last revised 21212012
Page 2 of 2

15aceAnalytical`
WWW..pacelabs.cnm
October 14, 2015
Randy Waibel
Hexion
114 Industrial Blvd
Morganton, NC 28655
RE: Project: Hexion Morg-SW Sample 9124
Pace Project No.: 92269492
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Dear Randy Waibel:
Enclosed are the analytical results for sample(s) received by the laboratory on September 28, 2015.
The results relate only to the samples included in this report. Results reported herein conform to the
most current TN standards and the laboratory's Quality Assurance Manual, where applicable, unless
otherwise noted in the body of the report.
Analyses were performed at the Pace Analytical Services location indicated on the sample analyte
page for analysis unless otherwise footnoted.
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Chris Derouen
[e-mail]
Project Manager
Enclosures
cc: Mr. Phil Busovne, Hexion
REPORT OF LABORATORY ANALYSIS
This report shafl not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Page 1 of 13

/5aceAalyficalrr
wwwpacelabs.mm
Pace Analytical Services, Inc.
2225 Riverside Dr,
Asheville, NC 28804
[phone]
CERTIFICATIONS
Project: Hexion Morg-SW Sample 9124
Pace Project No.: 92260492
Tampa Certification IDs
5460 Beaumont Center Blvd, Ste 520, Tampa, Ft_ 33634 Florida Certification #: E84809
Asheville Certification IDs
2225 Riverside Drive, Asheville, NC 28804
FloridafNELAP Certification #: E87648
Massachusetts Certification #: M-NC030
North Carolina Drinking Water Certification #: 37712
North Carolina Wastewater Certification #: 40
South Carolina Certification #: 99030001
West Virginia Certification #: 356
VirginialVELAP Certification #: 460222
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc.. Page 2 of 13

15aceAnalytiiiii
" v pacelabsxoin
SAMPLE SUMMARY
Project: Hexion Morg-SW Sample 9124
Pace Project No.: 92269492
Lab ID
Sample ID
Matrix
Date Collected
Date Received
92269492001
92269492002
SW-01
SW-01
Water
Water
09/24/15 09:24
09/24/15 09:25
09/28/15 10:30
09/28/15 10:30
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28604
[phone]
Page 3 of 13

Pace Analytical Services, Inc.
aceAnalXical ®
2225 Riverside
NC
Asheville, NC 28804
www,picelubs.com
[phone]
SAMPLE ANALYTE COUNT
Project: hiexion Morg-SW Sample 9124
Pace Project No.: 92269492
Analytes
Lab lD Sample ID
Method
Analysts
Reported Laboratory
92269492001 SW-01
EPA 350.1
SER
1 PASI-A
SM 5220D
WRC
1 PASI-A
92269492002 SW-01
EPA 8315
JH1
1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc.. Page 4 of 13

Pace Analytical Services, Inc.
aceAnalytrcal ® 2225 Riverside 04
Asheville, NC 288D4
www.pacelabs.cam [phone]
ANALYTICAL RESULTS
Project: Hexion Morg-SW Sample 9124
Pace Project No.: 92269492
Sample: SW-01 Lab ID: 92269492001 Collected: 09/24/15 09:24 Received: 09/28/15 10:30 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
350.1 Ammonia Analytical Method: EPA 350.1
Nitrogen, Ammonia 0.43 mg1L 0A 0 1 101D6115 04;18 7664-41-7
5220D COD Analytical Method: SM 5220D
Chemical Oxygen Demand 73.0 mg1L 25.0 1 10/01/15 16:00
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/1412015 01:14 PM without the written consent of Pace Analytical Services, Inc.. Page 5 of 13

Pace Analytical Services, Inc.
aceAnalytical ® hevi Riverside 04
Asheville, NC 28804
wwwpocelabs.com [phone]
ANALYTICAL RESULTS
Project: Hexion Morg-SW Sample 9124
Pace Project No.: 92269492
Sample: SW-01 Lab ID: 92269492002 Collected: 09/24/15 09:25 Received: 09/28115 10:30 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qua]
8315 WTP HPLC Analytical Method: EPA8315 Preparation Method: EPA8315
Formaldehyde 786 uglL 50.0 1 10/09/15 09:55 10/12/15 20:10 50-00-0 H2,M1,
N2
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 1011412015 01:14 PM without the written consent of Pace Analytical Services, Inc.. Page 6 of 13

aceAnalytrcal
lnvw.pacelabs.com
Project: Hexion Morg-SW Sample 9124
Pace Project No.: 92269492
QC Batch: TAMP17204
QC Batch Method: EPA 8315
Associated Lab Samples: 92269492002
METHOD BLANK: 1356577
Associated Lab Samples: 92269492002
Parameter Units
Formaldehyde ug/L
LABORATORY CONTROL SAMPLE: 1356578
Parameter Units
Formaldehyde ug/L
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
QUALITY CONTROL DATA
Analysis Method: EPA 8315
Analysis Description: 8318 HPLC
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 50.0 10/12/1518:50 N2
Spike LCS LCS % Rec
Conc. Result % Rec Limits Qualifiers
500 410 82 70-130 N2
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1356579 1356580
MS MSD
92269492002 Spike Spike MS MSD MS MSD % Rec Max
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD RPD Qual
Formaldehyde ug/L 786 500 500 1100 1170 63.2 77.5 70-130 6.3 40 M1,N2
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: 10114/2015 01:14 PM without the written consent of Pace Analytical Services, Inc..
Page 7 of 13

aceAnalytical
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QUALITY CONTROL DATA
Project: Hexion Morg-SW Sample 9124
Pace Project No.: 92269492
OC Batch: WETA124816 Analysis Method: EPA 350.1
QC Batch Method: EPA 350.1 Analysis Description: 350.1 Ammonia
Associated Lab Samples: 92269492001
METHOD BLANK: 1574919
Associated Lab Samples: 92269492001
Parameter Units
Nitrogen, Ammonia mg/L
LABORATORY CONTROL SAMPLE: 1574920
Parameter Units
Nitrogen, Ammonia mg/L
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 0.10 10/06/15 07:43
Spike LCS LCS % Rec
Conc. Result % Rec Limits Qualifiers
5 5.4 108 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1574921 1574922
MS MSD
92270254003 Spike Spike MS MSD MS MSD % Rec Max
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD RPD Qual
Nitrogen, Ammonia mg/L ND 5 5 5.5 5.5 110 110 90-110 0 7
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1574923 1574924
MS MSD
92269480002 Spike Spike MS MSD MS MSD % Rec Max
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD RPD Oual
Nitrogen, Ammonia mg/L 2A 5 5 7.6 7.7 104 105 90-110 0 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: 10/14/2015 01:14 PM without the written consent of Pace Analytical Services, Inc.
Page 8 of 13

aceAnalXical
wVvwpacelabs.com
QUALITY CONTROL DATA
Project: Hexion Morg-SW Sample 9124
Pace Project No.: 92269492
QC Batch: WETA124747 Analysis Method: SM 5220D
QC Batch Method: SM 5220D Analysis Description: 5220D COD
Associated Lab Samples: 92269492001
METHOD BLANK: 1570817 Matrix: Water
Associated Lab Samples: 92269492001
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Chemical Oxygen Demand mg1L ND 25.0 10101/15 16:00
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
LABORATORY CONTROL SAMPLE: 1570818
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
Chemical Oxygen Demand mg1L 750 770 103 90-110
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1570819 1570B20
MS MSD
92269441001 Spike Spike MS MSD MS MSD % Rec Max
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD RPD Qual
Chemical Oxygen Demand mg1L 36.0 750 750 745 745 95 95 90-110 0 3
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 1570821 1570822
MS MSD
92269400001 Spike Spike MS MSD MS MSD % Rec Max
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD RPD Qual
Chemical Oxygen Demand mg/L 24.OJ 750 750 743 743 96 96 90-110 0 3
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: 10/14/2015 01:14 PM without the written consent of Pace Analytical Services, Inc..
Page 9 of 13

aceAnalytical
rnvwpacefaba,mm
QUALIFIERS
Project: Hexion Morg-SW Sample 9/24
Pace Project No.: 92269492
DEFINITIONS
Pace Analytical Services, Inc.
2225 Riverside Dr.
Asheville, NC 28804
[phone]
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.
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.
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, Styrene, and Vinyl chloride.
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.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC Institute.
LABORATORIES
PASI-A Pace Analytical Services -Asheville
ANALYTE QUALIFIERS
H2 Extraction or preparation conducted outside EPA method holding time.
M1 Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.
N2 The lab does not hotd TNI accreditation for this parameter.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/14/2015 01:14 PM without the written consent of Pace Analytical Services, Inc.. Page 10 of 13

aceAnalyticalffi
rr ".pamlabs.com
1'
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: Hexion Morg-SW Sample 9/24
Pace Project No.: 92269492
Pace Analytical Services, Inc.
2225 Riverside Dr,
Asheville, NC 2BB04
[phone]
Lab ID
Sample ID
QC Batch Method
QC Batch Analytical Method
92269492002
SW-01
EPA 8315
TAMP17204 EPA 8315
92269492001
SW-01
EPA 350.1
WETA124816
92269492001
SW-01
SM 5220D
WETA124747
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, Inc..
Analytical
Batch
TAMP17246
Page 11 of 13

:�4� aceAnalytical'
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Section A
Required Client Information: Company: �''`
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Addre s:
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CHAIN -OF -CUSTODY 1 Analytical Request Document CO
The Chain -of -Custody is a LEGAL DOCUMENT. All relevant fields must be completed accurately. o
N
Section B Section C
Required Project Inforrnauon: Invoice Inform
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Section D Matrix Codes
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RequlradQent Information MATRIX f C00E
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COLLECTED
Drinking Water OW
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Water WT
Waste Water w V
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R ULATORYAGENCY
N PDES i GROUND WATER DRINKING WATER
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Requested Analysis Filtered (YIN)
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ADDITIONAL COMMENTS RELINQUISHEDP! AFFILIATI ON DATE TIME ACCEPTED BY! AFFILIATION p DATE TIME SAMPLE CONDITIONS
ORIGINAL
SAMPLER NAME AND SIGNATURE
PRINT Name of SAMPLER.
r
SIGNATURE of SAMPLER:
'Important Note: By sVing this form you are 0c oUng Pace's NET 30 day payment terms and agroeing to late Charges or 1.5% per month for any Invoices not paid wtlrvn 30 days.
E
m y
F-ALL-0-020rev.07, 15-May-20O7

Document Name: Sample Condition Upon
Document Revised: May 15, 2015
aCeAnalytkal o
Receipt SCUR
Page 1 of 2*
Document No.:'
Issuing Authorities:
�'�",°"�
F-ASV-CS-003-rev.14
Pace Asheville Quality Office
Client Name: r
* Page 2 of 2 is for Internal Use Only
Courier (Circle); Fed E UPS USPS Cile t Commercial pace Other
Custody Seal on C 1 ox Present: ❑ yes ��o,/ Seals intact: M yes n no
Packing Material: B rap�Bubble Sags � Nona Other
Thermometer Used: R Gun#3.13 265963 Type of Ice: We Blue None amples on Ice, cooling process has begun
ift Gun #4 SN:14029t]365 t e�l�r:
Temp Correction Factor: Add 1 Subtract O.O C
Corrected Cooler Temp.;�nC
Biological Tissue is Frozen: Yes No WA
Date and Initials of person e7 rn
contents: t�
Temp should be above freezing to 6°C
Comments:
Chain of Custody Present:
❑ es ❑No
❑NIA
1.
Chain of Custody Filled Out:
Yes On.
❑NIA
2,
Chain of Custody Relinquished:
Yes ❑No
❑N!A
3.
Sampler Name & Signature on COC;
es No
ONIA
4.
Samples Arrived within Hold Time:
0res ❑No
❑NrA
5.
Short Hold Time Analysis (<72hr):
Dyes Q<1
•❑N/A
6.
Rush Turn Around Time Requested:
❑Yes o
❑N!A
7.
Sufficient Volume:
Q4, ❑No
❑NIA
8,
Correct Containers Used:
❑No
ON/A
9.
-Pace Containers Used;
�/Y'ONo
❑NIA
Containers Intact:
❑Yes ❑No
❑N/A
10.
Filtered volume received for Dissolved tests
❑Yes ❑No
A
11.
Sample Labels match COC;
es Ono
❑N/A
12.
-Includes date/time/1D/Anal sis Matrix:
W 1
All containers needing preservation have been checked.
❑No
El
es
N/A
13.
All containers needing preservation are found to be In
12 es ❑No
❑N!A
compliance with EPA recommendation,
exooptions: VOA, cdiform, TOC, O&G, VVI-DRO (water)
Dyes
Samples checked for dechlorination:
zy,. ❑No
❑N!A
14.
Headspace in VOA Vials ( >6mm):
❑Yes C1No'
C) 1A
15.
Trip Blank Present;
❑Yes ❑No
Nr
16.
Trip Blank Custody Seals Present
❑Yes ❑No
NIA
Pace Trip Blank Lot # (if purchased):
Client Notification/ Resolution: Field Data Required? Y 1 N
Person Contacted: Dateffime:
Comments/ Resolution:
SCURF Review: Data: -,7�'7
SRF Review: Date: 2�2YI—,/—
Note: Whenever there is a discrepancy affecting North Carolina
compliance samples, a copy of this form will be sent to the North
Carolina DEHNR Certification Office ( Le out of hold, incorrect
preservative, out of temp, incorrect containers)
WO#:92269492
iiaig�iiu1uauiuii
�I
Page 13 of 13
0

I
�2 HEXION- 114HexIn, Industrial 11A Industrial Boulevard
Morganton, NC 286b6
October 19, 2015 VIA CERTIFIED MAIL
NC Division of Water Resources RECEIVED
Attn: DWR Central Files OCT 2 d ,.
1617 Mail Service Center
Raleigh, NC 27699-1617 CENTRAL_ FrILES
DWR SECTION
SUBJECT: Hexion Inc. — Morganton, NC RECEIVED
NPDES Stormwater Permit NCS000332
Semi -Annual Discharge Monitoring Report OCT 2 6 2015
Report Period: April 1 — September 30, 2015
CENTRAL, FILES
DWR SECTION
To Whom It May Concern:
Please find enclosed the Discharge Monitoring Report for the report period April 1, 2015 —
September 30, 2015 for the above referenced facility. The facility stormwater outfall was
sampled on September 24, 2015 and laboratory results were received on October 14, 2019.
As a result of a benchmark exceedance for formaldehyde, we are now implementing the "Tier
One" corrective actions. The results of such actions will be documented within our Storm Water
Pollution Prevent Plan.
Please contact Mr. Randy Waibel or myself at 828-584-3800 if you have questions or need
additional information.
Sincerely,
HEXION INC.
Je McDaniel
Site Leader
Attachment: Stormwater Discharge Monitoring Report (Form SWU-246)

MOMENTIVE"
November 10, 2014
Attention: Central Files
NC Division of Water Quality
Surface Water Protection Section
1617 Mail Service Center
Raleigh, NC 27699-1617
Momentive specialty Chemicals Inc.
114 Industrial Boulevard
Morganton. NC 28655
momentive.com
NOV 2 0 2014
CENTRAL FILES
DVVR SECTION
SUBJECT: Momentive Specialty Chemicals Inc. — Morganton, NC
NPDES Stormwater Permit NCS000332
Semi -Annual Discharge Monitoring Report
Report Period April 1 — September 30, 2014 (Year 5 1 Period 2)
To Whom It May Concern:
S
Please find enclosed the Discharge Monitoring Report for the report period April 1, 2014 —
September 30, 2014 for the above referenced facility. The facility stormwater outfall was
sampled on October 3, 2014 and laboratory results were received on November 6, 2014.
The facility failed to sample prior to the September 30th deadline due to an error by the EHS
contractor who had responsibility for stormwater compliance at the site. The individual who was
responsible for the stormwater monitoring at the site is no longer working with the Company,
and we have since hired a fulltime EHS Leader, Randy Waibel. Mr. Waibel is now -responsible
to ensure all sampling and recordkeeping requirements are met going forward.
Please contact Mr. Randy Waibel or myself at 828-584-3800 if you have questions or need
additional information.
Sincerely,
qc
TIVE SPECI TY CHEMICALS INC.
r
aniel
Site Leader
Attachment: Stormwater Discharge Monitoring Report (Form SWU-246)

Permit Number: NCS 000332 or
Certificate of Coverage Number: NCG
FACILITY NAME Momentive Specialty Chemicals Inc.
PERSON COLLECTING SAMPLE(S) Tom Holley
CERTIFIED LABORATORY(S) Blue Ridge Labs
Part A: Specific Monitoring Requirements
STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Lab # 275
SAMPLES COLLECTED DURING CALENDAR YEAR: 2014
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
COUNTY Burke
PHONE NO. [phone]
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
50050
Outfall
No.
Date Sample
Collected
Total
Flow (if app.)
Total
Rainfall
Chemical
Oxygen
Demand
COD
Ammonia
Nitrogen
Formaldehyde
pH
001
10/03/14
N/A
0.20 inches
75 mg/1
<0.5 m /I
< 0.02 m rll
6.64
Does this facility perform Vehicle Maintenance Activities using more than S gallons of new motor oil per month? _ yes X no
(if yes, complete Part B)
Part B. Vehicle Maintenance Activity Monitoring Requirements
Outfall `
Date
50050
00556
00530
00400
No.
Sample
Total Flow
Total Rainf 'II
Oil & Grease
Non -polar
Total
pH
New Motor Oil
Collected
(if applicable)
(if appl.)
O&G/TPH
Suspended
Usage
(Method 1664
Solids
SGT-HEM), if
a p pj._
mo/dd/ r
I MG
linebes
m /I
m /I
Units
al/mo
NIA
Form SWU-246, last revised 21212012
Page l of

STORM EVENT CHARACTERISTICS:
Date 10/03/2014
Total Event Precipitation (inches): 0.20
Event Duration (hours): N/A (only if applicable —see permit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a
system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person
or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best
of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information,
including the possibility of fines and imprisonment for knowing violations."
Jeff McDafiijl, Site Leader, fMomentive Specialty Chemicals Inc.
Date
' 11 1 11D / )o4
Form S W U-246, last revised 21212012
Page 2 of 2

MOMENTIVE"
Momentive specialty Chemicals Inc.
114 Industrial Boulevard
Morganton, NC 28655
momenOve.com
f �o=g0Y[j
D
MAR 44 2014 1
March 19, 2014
Central Files
NC Division of Water Quality
Surface Water Protection Section
1617 Mail Service Center
Raleigh, NC 27699-1617
SUBJECT. Momentive Specialty Chemicals Inc. — Morganton, NC
NPDES Stormwater Permit NCS000332
Semi -Annual Discharge Monitoring Report
Report Period October 1, 2013 — March 31, 2014
To Whom It May Concern:
Please find enclosed the Discharge Monitoring Report for the report period October 1, 2013 —
March 31, 2014 for the above referenced facility. The facility stormwater outfall was sampled
on February 10, 2014 and laboratory results were received February 24, 2014.
The facility failed to sample during the previous sampling window due to an error by the person
responsible for stormwater compliance at the site. The individual who was responsible for the
stormwater monitoring at the site is no longer with the Company, and corrective actions have
been put in place to ensure all sampling and recordkeeping requirements are met going
forward.
In addition there was a release of material from the building due to an overflow of the water
recovery tank on December 121h. Most of the overflow material was contained in the building
but 75 gallons escaped the building. From observations that night and the next morning some
material did get by our spill response materials and get to soil. We estimate based on an
analysis of the water in the water recovery tank that approximately 0.25 Ibs of Formaldehyde
escaped the building. Much of this was captured in absorbant materials but some did make it to
soil. Corrective and Preventative actions have been initiated and all action items are expected
to be completed by May.
The COD analytical result from February exceeded the benchmark value established in the
permit. Tier One activities were completed. A stormwater management inspection of the site
was conducted on February 26`h. No obvious signs of contamination were present. Employees
of a nearby company have been observed to park near the ditch that leads to the stormwater

Mr. Muller —Page 2
March 25, 2011
outfall and smoke. We.have informed the adjacent company and the problem has stopped.
The release from December may have affected the sample but the Formaldehyde
concentration was below the limit of detection which leads us to think that that was not the
cause. Momentive will be sampling an upstream location to begin determining the source of the
COD exceedence. Containment releases from chemical storage areas following rain events
are being reviewed. All the following action items will be completed in the following two months
and will be documented in the Stormwater Pollution Prevention Plan.
Please contact Mr. Tom Buller at 910-274-5921 if you have questions or need additional
information.
Sincerely,
MOMENTIVE SPECIALTY CHEMICALS INC.
1 Renn
Site Leader
Attachment: Stormwater Discharge Monitoring Report (Form SWU-246)

Permit Number: NCS 000332 or
Certificate of Coverage Number: NCG
FACILITY NAME Momentive Specialty Chemicals Inc.
PERSON COLLECTING SAMPLE(S) Tom Holley
CERTIFIED LABORATORY(S) Blue Ridge Labs
Part A: Specific Monitoring Requirements
STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Lab 4 275
SAMPLES COLLECTED DURING CALENDAR YEAR: 2014
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
COUNTY Burke
PHONE NO. [phone]
SIGNATURE OF PERM ITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
50050
Outfall
No.
Date Sample
Collected
Total
Flow (if app.)
Total
Rainfall
Chemical
Oxygen
Demand
COD
Ammonia
Formaldehyde
pH
001
02/11/14
NIA
0.23 inches
572 m /l
1.68 m /l
< 0.5 m /I
6.0
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _ yes X no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall
Date
50050
00556
00530
00400
No.
Sample
Total Flow
Total Rainfall
Oil & Grease
Non -polar
Total
pH
New Motor Oil
Collected
(if applicable)
(if appl.)
O&GITPH
Suspended
Usage
(Method 1664
Solids
SGT-HEM), if
appl.
mo/dd/ yr
MG
inches
m /l
m /l
Units
allmo
NIA
Form SWU-246, last revised 21212012
Page I of 2

STORM EVENT CHARACTERISTICS:
Date 02/10/2014
Total Event Precipitation (inches): 0.23
Event Duration (hours): N/A (only if applicable— see permit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a
system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person
or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best
of my knowledge and belief, true, accurate, and complete. 1 am aware that there are significant penalties for submitting false information,
including the possibikty of fines and imprisonment for knowing violations."
Jarl Ron, Site Leader, Momentive Specialty Chemicals Inc.
3- 19 -1 �
Dates
Form SWU-246, last revised 21212012
Page 2 of 2