NCS000064_DMR_20191231

"Ill
Celanese
The chemistry inside innovation
Certified Mail 7018 2290 0000 2817 9019
Return to Renee Culler Celanese Corporation
2525 Blacksburg Road
January27, 2020 Grover,NC 28073-9641
www.celanese.com
NCDEQ
Division of Water Quality
Surface Water Protection Section
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
ATTN: Central Files
Reference: Semi-Annual Monitoring Results— CNA Holdings LLC-Shelby Plant -
Stormwater Permit No. NCS 000064
To Whom It May Concern:
In accordance with the facility's Stormwater NPDES Permit, semi-annual monitoring must be conducted in
accordance with permit no. NCS000064. The following represent the semi-annual monitoring results from the
sampling period of July 1—December 31, 2019. Duplicate copies of the signed DMR report are attached.
The monitoring results have been compared to the benchmark values of Table 3, which are not permit limits but
are guidelines for us to use in evaluating the sources of any benchmark exceedance and for the evaluation of the
effectiveness of our BMPs.
Outfall TSS : 100 mg/I BODS: 30 mg/I COD: 120 mg/I pH: 6-9
North Outfall 57.6 3.1 <50 7.9
South Outfall 31.9 <2.0 <50 7.4
East Outfall 30.3 4.1 <50 7.5
CNA Holding LLC — Shelby Plant is committed to ensuring compliance with all County, State, and Federal
regulations. Should there be a need for further discussion pertaining to the information above, feel free to call
me at 704/480-5726 or via email at [e-mail].
ii cerely,
,., Il0
'u'l
EHS Manager
Attachments: Stormwater Discharge Outfall (SDO) Monitoring Report (2 copies)

Date: 10- 13 -ill SOLIDS RESULTS
Analyst: M Spade TSS Std. Methods 22nd Edition METHOD#2540 D-2011
Time In: if % Zo
Time Out: 12. 20
TSS RESULTS
Blank North Outfall East Outfall South Outfall
#ml. /O0 #ml. /O#O #ml. /000 #mi. /Aott•
Gross wt. /,/777 ®. ir6Z /, Zoo/ /. 1U6z
Tare wt. 1i / 77 7 /,/9 4 /i / / 0� /, / `Q 8 3
Netwt. 000000 0. 0576 O , 0303 O,03/ 9
Results mg/I 0 5-7 30.3 s,'
Test Weight Serial# 643 14Tbm/
TSS Filter pad Lot# /4•9 0FY?
PH RESULTS
North Outfall East Outfall South Outfall
TIME SAMPLES
TAKEN Oi 44 Z 09 20 /OVtr
TIME SAMPLES
pH Std. Methods 22nd Ed. IN LAB 0 Si( 7 09 el /o N9
TIME SAMPLES
METHOD#4500-H+B-2011 RAN 0 S 0 .91e7 /oS'Y
RESULTS 7•0 7. 7. y
ANALYST M.S1+se.rks M•Sp&ks .4. £4*0.1ks
NOTE: The time difference between the time samples were obtained and the time the test run must be less than 15
minutes
EXPIRATION
PH BUFFER LOT# DATE
4.0 191301 S - ZOL 1
7.0 (92I11 �-20Zl
10.0 (q! 7ZS .! - toZl
Time Rain fall Started o$10 Total Rain Fall 1. 0
Time Over North .3 Length of time it rained in
Outfall hours a
Time Over East Outfall OS II
Time Over South /03
Outfall
U W F 028-SW
(11/2015)

STORMWATER DISCHARGE OUTFALL(SDO)
MONITORING REPORT
Permit Number NCS 000064 SAMPLES COLLECTED DURING CALENDAR YEAR: 2019
(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.)
FACILITY NAME_CNA Holdings LLC—Shelby Plant COUNTY Cleveland
PERSON COLLECTING SAMPLE(S)_Mike Sparks& Randall Turner PHONE NO. (_704_) 480-5793
CERTIFIED LABORATORY(S) Prism Laboratory Lab#_402
CNA Holdings LLC-ShelbyLab #_221_
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
Part A: Specific Monitoring Requirements
Outfall Date 50050 00530 00310 00340 00400
No. Sample Total Total Total BOD5 COD pH
Collected Flow(if app.) Rainfall Suspended
Solid
mo/dd/yr MG inches Mg/l Mg/1 Mg/I standard
North 10/13/19 n/a 1.0 57.6 3.1 <50 7.9
South 10/13/19 n/a 1.0 31.9 <2.0 <50 7.4
East 10/13/19 n/a 1.0 30.3 4.1 <50 7.5
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 Oil&Grease Non-polar Total pH New Motor
Collected (if applicable) Rainfall (if appl.) O&G/TPH Suspended Oil Usage
(Method 1664 Solids
SGT-HEM),if
appl.
mo/dd/yr MG inches mg/1 mg/I unit gal/mo
Form SWU-247,last revised 2/2/2012
Page 1 of 2

STORM EVENT CHARACTERISTICS: Mail Original and one copy to:
Division of Water Quality
Date 10/13/2019 Attn:Central Files
Total Event Precipitation(inches): 1.0 1617 Mail Service Center
Event Duration(hours): 8 (only if applicable—see permit.) Raleigh,North Carolina 27699-1617
(if more than one storm event was sampled)
Date
Total Event Precipitation(inches):
Event Duration(hours): (only if applicable—see permit.)
"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 • II y knowledge and belief,true,accurate,and complete. I am aware that there are significant penalties for submitting false information,
inc din the poss' 'lity of fines and imprisonment for knowing violations."
116'1 January 27,2020
(S g :ture of erne tee) (Date)
Form SWU-247,last revised 2/2/2012
Page 2 of 2

NC Certification No.402 Case Narrative
AP R I S M Full-Service Analytical Environmental Solutions s NC Drinking Water Cert No.37735
SC Certification No.99012 10/25/19 15:29
A1111111111w;r
'-�'LABORATORIES INC
Celanese Project: 2019 Stormwater Permit Analysis
Michael Sparks
2525 Blacksburg Road Lab Submittal Date: 10/14/2019
Grover, NC 28073 Prism Work Order: 9100218
This data package contains the analytical results for the project identified above and includes a Case Narrative, Sample
Results and Chain of Custody. Unless otherwise noted,all samples were received in acceptable condition and processed
according to the referenced methods.
Data qualifiers are flagged individually on each sample. A key reference for the data qualifiers appears at the end of this case
narrative.
Please call if you have any questions relating to this analytical report.
Respectfully,
PRISM LABORATORIES,INC.
Terri W. Cole Reviewed By Jackie Ziner For Terri W. Cole
Project Manager Project Manager
Data Qualifiers Key Reference:
BB Blank value is outside of the control limits.Validity of the data not affected.
BRL Below Reporting Limit
MDL Method Detection Limit
RPD Relative Percent Difference
* Results reported to the reporting limit. All other results are reported to the MDL with values between MDL and
reporting limit indicated with a J.
This report should not be reproduced,except in its entirety,without the written consent of Prism Laboratories,Inc.
449 Springbrook Road-P.O.Box 240543-Charlotte,NC 28224-0543
Phone:[phone]-Toll Free Number:1-800/529-6364-Fax:[phone] Page 1 of 6

AiiiRISM Full-Service Analytical&
Sample Receipt Summary
Environmental Solutions 10/25/2019
LABORATORIES INC.
Prism Work Order: 9100218
Client Sample ID Lab Sample ID Matrix Date/Time Sampled Date/Time Received
North Outfall 9100218-01 Water 10/13/19 8:37 10/14/19 11:10
East Outfall 9100218-02 Water 10/13/19 9:13 10/14/19 11:10
South Outfall 9100218-03 Water 10/13/19 10:39 10/14/19 11:10
Samples were received in good condition at 2.2 degrees C unless otherwise noted.
This report should not be reproduced,except in its entirety,without the written consent of Prism Laboratories,Inc.
449 Springbrook Road-P.O.Box 240543-Charlotte,NC 28224-0543
Phone:[phone]-Toll Free Number:1-800/529-6364-Fax:[phone] Page 2 of 6

ij R I S M Full-Service Analytical&
Laboratory Report
Environmental Solutions 10/25/2019
'LABORATORIES IRG
Celanese Project:2019 Stormwater Permit Client Sample ID: North Outfall
Attn: Michael Sparks Analysis Prism Sample ID: 9100218-01
2525 Blacksburg Road Prism Work Order: 9100218
Grover, NC 28073 Sample Matrix: Water Time Collected: 10/13/19 08:37
Time Submitted: 10/14/19 11:10
Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch
Limit Factor Date/me ID
General Chemistry Parameters
Biochemical Oxygen Demand 3.1 BB mg/L 2.0 0.21 1 *SM5210 B 10/14/19 13:42 SLS P9J0330
Chemical Oxygen Demand BRL mg/L 50 10 1 *SM5220 D 10/18/19 13:02 SLS P9J0334
This report should not be reproduced,except in its entirety,without the written consent of Prism Laboratories,Inc.
449 Springbrook Road-P.O.Box 240543-Charlotte,NC 28224-0543
Phone:[phone]-Toll Free Number:1-800/529-6364-Fax:[phone] Page 3 of 6

Laboratory Report
AMA I S M Full-Service Analytical& 10/25/2019
Environmental Solutions
- LABORATORIES IRG
Celanese Project:2019 Stormwater Permit Client Sample ID: East Outfall
Attn: Michael Sparks Analysis Prism Sample ID: 9100218-02
2525 Blacksburg Road Prism Work Order: 9100218
Grover, NC 28073 Sample Matrix: Water Time Collected: 10/13/19 09:13
Time Submitted: 10/14/19 11:10
Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch
Limit Factor Date/Time ID
General Chemistry Parameters
Biochemical Oxygen Demand 4.1 BB mg/L 2.0 0.21 1 *SM5210 B 10/14/19 13:42 SLS P9J0330
Chemical Oxygen Demand BRL mg/L 50 10 1 *SM5220 D 10/18/19 13:02 SLS P9J0334
This report should not be reproduced,except in its entirety,without the written consent of Prism Laboratories,Inc.
449 Springbrook Road-P.O.Box 240543-Charlotte,NC 28224-0543
Phone:[phone]-Toll Free Number:1-800/529-6364-Fax:[phone] Page 4 of 6

Laboratory Report
I I S M Full-Service Analytical&
P R
Environmental Solutions 10/25/2019
-'VLABORATORIE3.ING
Celanese Project: 2019 Stormwater Permit Client Sample ID: South Outfall
Attn: Michael Sparks Analysis Prism Sample ID:9100218-03
2525 Blacksburg Road Prism Work Order:9100218 .
Grover, NC 28073 Sample Matrix: Water Time Collected: 10/13/19 10:39
Time Submitted: 10/14/19 11:10
Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch
Limit Factor Date/Time ID
General Chemistry Parameters
Biochemical Oxygen Demand BRLBB mg/L 2.0 0.21 1 *SM5210 B 10/14/19 13:42 SLS P9J0330
Chemical Oxygen Demand BRL mg/L 50 10 1 *SM5220 D 10/18/19 13:02 SLS P9J0334
This report should not be reproduced,except in its entirety,without the written consent of Prism Laboratories,Inc.
449 Springbrook Road-P.O.Box 240543-Charlotte,NC 28224-0543
Phone:[phone]-Toll Free Number:1-800/529-6364-Fax:[phone] Page 5 of 6

CHAIN OF CUSTODY RECORD LAB USE ONLY
FIRISM I Full-Service Analytical& YES NO N/
Environmental Solutions PAGE ( OF I QUOTE 0 TO ENSURE PROPER BILLING: 1 _�
Samples INTACT upon arrival?
LABORATORIES.INC // r�G�►/A-
Project Name: 'e( M Received ON WET ICE? l 0
449 brook Road•Charlotte,NC 28217 PROPER PRESERVATIVES indicated? _i
Phone one 70 704/529.6364 • Fax:[phone] Short Hold Analysis: (Yes) (No) UST Project: (Yes) (NO)
CD
'Please ATTACH any project specific reporting(QC LEVEL I II III IV) Received WITHIN HOLDING TIMES? '......" ozi
Client Company Name: Ce IAA ese provisions and/or QC Requirements CUSTODY SEALS INTACT? /CL
�
Report To/Contact Name: c.44- 'e( SfltA.4 IC C'� a� S�
( VOLATILES rec'd W/OUT HEADSPACE?
Invoice To:
Reporting Address: ZSZS (a.c...k r•C R f) Address: s q-rµ PROPER CONTAINERS used? �
& ou'e r ....)c- Zq 07- TEMP: Therm ID i;.•- Y-l t'i Observed Z• I °C/CorcZ•.2-1C
Phone:704-4S 6-S741 3 Fax(Yes)(No): Purchase Order No./Billing Reference TO BE FILLED IN BY CLIENT/SAMPLING PERSONNEL
Email Address: Requested Due Date ❑1 Day ❑2 Days ❑3 Days ❑4 Days ❑5 Days Certification: NELAC DOD FL NC
EDD Type: PDFExcel Other "Working Days" ❑6-9 Days Xtandard 10 days ❑Rush Wporrrk Mdust Be
/_e Site Location Name: Co u tesce Samples received after 14:00 will be processed next business day. SC OTHER N/A
Site Location Physical Address: SAAL-C Turnaround time is based on business days,excluding weekends and holidays. Water Chlorinated:YES NO'
(SEE REVERSE FOR TERMS&CONDITIONS REGARDING SERVICES RENDERED BY PRISM LABORATORIES,INC.TO CLIENT) Sample Iced Upon Collection:YES)�/
NO_
TIME MATRIX SAMPLE CONTAINER ANALYSIS REQUESTED PRISM
CLIENT DATE COLLECTED (SOIL, — . PRESERVA- O� , J REMARKS LAB
SAMPLE DESCRIPTION COLLECTED MILITARY WATER OR 'TYPE NO. SIZE TIVES /�/ % / ID NO.
HOURS SLUDGE) SEE BELOW // //
I k oul cO f /043'1i o7.37 «mi e ( /I AlOA••'C k C�°J' e i
wor+fk ou('Fo•ll Io4 49 oI31 1- 1 I -- ZSoad kisSe`/ k cire _ ±
foe 0114.1( 10.42-1c oil 13 r (( i /4 t NO•ce X 1
— d•reb d 1
Gat'' O _ t( lb-rt°19 oil( C. w4er 1p I mum 1 14250 1 _ )C Grub) 1._
so . o •n l0-13.1i 10” ir
4r ]7
l,l+r I l L etbitte CstAb o 3
Souk ovirs.1/ Io-es•II Coat I ( a fr 1 I z,{ti*I pli-So Y X Csrikb 1
— -
PRESS DOWN FIRMLY - 3 COPIES
Sampler's Signal ' Sampled By(Print Name) M `/S /a S Affiliation
Upon relinquishing,this Chain of Custody is your authorization for Prism to proceed with the analyses as requested above. Any changes must be PRISM USE ONLY
submitted in writing to the Prism Project Manager. There will be c rges for any changes after analyses have been initialized.
Rexn >h
g ure.d B I g y (Sinnature) Race ve: y S natu -2 Opt. Mil turc HOUrs Additional Comments: Site Arrival Time:
e�:(s:i R ignamre) Nate '" Sion"(�a#e r Site Departure Time:
/�- ' 9 M 1 Field Tech Fee:
R d By:(Signatu/er Received For Prism Laboratories By: / Date 4 I
w ' v f0 1 -lac 1 i Ir,,, Mileage:
Method of Shipment: NOTE:ALL SAMPLE COOLERS SHOULD BE TAPED SHUT WITH CUSTODY SEALS FOR TRANSPORTA O THE LABO ORY. COC Group Nc '
SAMPLES ARE N• ACCEPTED AND VERIFIED AGAINST COC UNTIL RECEIVED AT THE LABORATORY.
O Fed Ex O UPS O Hand-delivered ■ ilfm Field Service CI (�
Other wv l C6
NPDES: UST: GR'UNDWATER: DRINKING WATER: I SOLID WASTE: RCRA: CERCLA LANDFILL I OTHER: SEE REVERSE FOR
❑NC CISC 0 NC CISC ❑ C ❑SC ❑NC CISC I ❑NC O SC D NC CISC ❑NC ❑SC LI NC ❑SC ❑NC ❑SC TERMS 8 CONDITIONS
•rnkiTAIII a wag rtnncc• A=Amtwer r.=Rlnar (;=(Ilan P=Plaetir.• TI =Teflon-I inert Can VOA=Volatile Oroanics Analysis(Zero Head Space) _ .