NCS000064_MONITORING INFO_20190624

M7
STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT NO.
�/ �, s b o oc l0
DOC TYPE
❑ HISTORICAL FILE
EAMONITORING REPORTS
DOC DATE
❑ a I b A q
YYYYMMDD

Certified Mail 7018 0680 0000 2631 2949
Return to Renee Culler
June 18, 2019
NCDEQ
Division of Water Quality
Surface Water Protection Section
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
ATTN: Central Files
J Celanese
The chemistry inside innovation"
Celanese Corporation
2525 Blacksburg Road
Grover, NC 28073-9641
www.celanese.com
RECEIVED/NCDEQ/DWR
JUN 2 4 2019
Water Duality
Permitting Section
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 January 1—June 30, 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
9.0
8.2
BRL
7.7
South Outfall
14.7
5.3
BRL
7.3
East Outfall
16.0
5.7
BRL
7.6
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 renee.culler([e-mail].
1 cerely,
R ulIer
EHS Manager
Attachments: Stormwater Discharge Outfall (SDO) Monitoring Report (2 copies)

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number NCS
FACILITY NAME _CNA Holdings LLC — Shelby Plant
PERSON COLLECTING SAMPLE(S) _Mike Sparks & Randall Turner_
CERTIFIED LABORATORY(S) Prism Laboratory_Lab #_402 _
CNA Holdings LLC - ShelbyLab 9_221_
Part A: Specific Monitoring Requirements
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.)
COUNTY Cleveland
PHONE NO. [phone]
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
Outfall
No.
Date
Sample
Collected
50050
00530
00310
00340
00400
Total
Flow (if app.)
Total
Rainfall
Total
Suspended
Solid
BODS
COD
pH
mo/dd/ r
MG
inches
M /I
Mg/1
M
standard
North
5/11/19
n/a
1.0
9.0
8.2
BRL
7.7
South
5/11/19
n/a
1.0
14.7
5.3
BRL
7.3
East
5/11/19
n/a
1.0
16.0
5.7
BRL
7.6
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)
o+R. 11 h:..10 Moro* .... — Artivity Mnnitnrina RPnnira.PntC
. ................-..-�._..-.._..-----__.
Outfall
00556
00530
00400
Total Flow
Total
Oil & Grease
Non -polar
Total -
pH
New Motor
No.
(if applicable)
Rainfall
(if appl.)
O&G/TPH
Suspended
Oil Usage
(Method 1664
Solids
LDate50050
SGT-HEM), if
a I.
MG
inches
mg/1
m /I
unit
gallmo
Form SWU-247, last revised 21212012
Page 1 of 2

STORM EVENT CHARACTERISTICS:
Date 5/11/19
Total Event Precipitation (inches): 1.0
Event Duration (hours): 4 (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 oftny knowledge and belief, true, accurate, and complete. 1 am aware that there are significant penalties for submitting false information,
inclu m the possibiljty of fines and imprisonment for knowing violations."
June 19, 2019
(Date)
Form SWU-247, last revised 21212012
Page 2 of 2

NC Certification No. 402 Case Narrative
IFJI C n fl Full -Service Analytical & NC Drinking Water Cart No. 37735 5/22/19 12:38
J I v I Environmental Solutions SC Certification No. 99012
hOLAWRATORIE$ ING
Celanese _ Project: 2019 Stormwater Permit Analysis
Michael Sparks
2525 Blacksburg Road Lab Submittal Date: 05/13/2019
Grover, NC 28073 Prism Work Order: 9050264
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
Project Manager
Data Qualifiers Key Reference
DO Difference between sample dilutions is greater than 30%.
BRL Below Reporting Limit
MDL Method Detection Limit
RPD Relative Percent Difference
Reviewed By Jackie Ziner For Terri W. Cole
Project Manager
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 Laboratones, Inc.
449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 26224-0543
Phone: [phone]- Toll Free Number: 14001529.6364 - Fax: [phone] Page 1 of

u i
sixdP R I S M I
Full -Service AnalylicalB
Envlr.nnantal Snl„linas
Sample Receipt Summary
05/22/2019
Prism Work Order: 9050264
Client Sample ID
Lab Sample ID
Matrix
Date/Time Sampled Date/Time Received
North Outfall
9050264-01
Water
05/11/19 14:13 05/13/19 10:45
North Outfall
9050264-02
Water
05/11/19 14:10 05/13/19 10:45
East Outfall
9050264-03
Water
05/11/19 14.54 05/13/19 10:45
East Outfall
9050264-04
Water
05/11/19 14:55 05/13/19 10,45
South Outfall
9050264-05
Water
05/11/19 15:21 05/13/19 10:45
South Outfall
9050264-06
Water
05/11/19 15:19 05/13/19 10:45
Samples were received in good condition at 2.8 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, INC 28224-0543
Phone: [phone] -Toll Free Number: 11-800/529-6364 - Fax: [phone] Page 2 of 9

I\ Laboratory Report
P'R ISM I rFitrisro nen Analytical e
envnonn, din ml Solutions & os/zz/zols
Celanese Project: 2019 Stormwater Permit Client Sample ID: North Outfall
Attn: Michael Sparks Analysis Prism Sample ID: 9050264-01
2525 Blacksburg Road Prism Work Order: 9050264
Grover, NC 28073 Sample Matrix: Water Time Collected: 05/11/19 14:13
Time Submitted: 05/13/19 10:45
Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch
Limit Factor Datemme ID
General Chemistry Parameters
Biochemical Oxygen Demand 8.2 DD mglL 2.0 0.20 1 'SM5210 B 5113119 14:02 CBM P9E0317
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: 1-800/629-6364. Fax: [phone] Page 3 of 9

.\ Laboratory Report
�P m�utlYl/.EOn,E4,W.
eAnalyticala
Emronmenal Solutions 05122/2019ISM r, .
Celanese
Project: 2019 Stormwater Permit
Analysis
Sample Matrix: Water
Client Sample ID: North Outfall
Prism Sample ID: 9050264-02
Prism Work Order: 9050264
Time Collected: 05/11/19 14:10
Time Submitted: 05/13/19 10:45
Parameter Result Units Report MOIL Dilution Method Analysis Analyst Batch
Limit Factor Dale/Tme ID
General Chemistry Parameters
chemical Oxygen Demand BRL mg/L 50 10 1 'SM5220 D 5/17/19 14:40 SLS P9E0373
This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc.
449 Springbrook Road - P.O. Box 240643 - Charlotte, NC 28224-0543
Phone: [phone] - Toll Free Number: 1-8001629-6364 - Fax: [phone] Page 4 of 9

Laboratory Report
dP R I S M
nnvi oery a anS010iol a
e� ,� i���omm somuons
05I22I2019
�71. R s we
Celanese
Project: 2019 Stormwater Permit
Client Sample ID: East Outfall
Attn: Michael Sparks
Analysis
Prism Sample ID: 9050264-03
2525 Blacksburg Road
Prism Work Order: 9050264
Grover, INC 28073
Sample Matrix: Water
Time Collected: 05/11/19 14:54
Tme Submitted: 05/13/19 10:45
Parameter
Result Units Report MDL
Dilution Method Analysis Analyst Batch
Limit
Factor DaleRme ID
General Chemistry Parameters
Biochemical Oxygen Demand
5.7 DD ri 2.0 0.20
1 'SM5210 B 5113119 14:46 CBM P9E0317
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: 1-8001629-6364 - Fax: [phone] Page 5 of 9

I-Sa
&P R ISM I Fuvion ice al Solutions
6
EnvLanmentul aolulions
�v,.IIoM.OR,rR .r.
Celanese
Attn: Michael Sparks
2525 Blacksburg Road
Grover, INC 28073
Project: 2019 Stormwater Permit
Analysis
Sample Matrix: Water
Laboratory Report
05/22/2019
Client Sample ID: East Outfall
Prism Sample ID: 9050264-04
Prism Work Order: 9050264
Time Collected: 05/11/19 14:55
Time Submitted: 05/13/19 10:45
Parameter Result Units Report MOIL Dilution Method Analysis Analyst Batch
Limit Factor DateTme ID
General Chemistry Parameters
Chemical Oxygen Demand BRL mg/L 50 10 1 'SM5220 D 5117/19 14:40 SLS P9E0373
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 28224-0643
Phone: [phone]-Toll Free Number: 1-800I529-6364- Fax: [phone] Page 6 of 9

�°' Laboratory Report
/ c Full-sary o Analytical8
�P R ISM en ann,antal9ola„anz 05/22/2019
.a�1R.onn..,nnnninr.
Celanese
Attn: Michael Sparks
2525 Blacksburg Road
Grover, NC 28073
Project: 2019 Stormwater Permit
Analysis
Sample Matrix: Water
Client Sample ID: South Outfall
Prism Sample ID: 9050264-05
Prism Work Order: 9050264
Time Collected: 05/11/19 15:21
Time Submitted: 05/13/19 10:45
Parameter Result
Units Report
Limit
MDL Dilution Method Analysis Analyst
Factor DateTme
Balch
ID
General Chemistry Parameters
Biochemical Oxygen Demand 6.3 Do
mglL 2.0
0.20 1 'SM5210 B 5113/19 14:46 CBM
P9E0317
This report should not be reproduced, except in its entirety, without the written consent of Prism Laboralones, Inc.
449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0543
Phone: [phone] - Toll Free Number: 1-800/529-6364 - Fax: [phone] Page 7 of 9

n`
&P R I S M I rnllson.,<e Analytical d
Emiranmenlol SOIW ions
Celanese
Attn: Michael Sparks
2525 Blacksburg Road
Grover, NC 28073
Project: 2019 Stormwater Permit
Analysis
Sample Matrix: Water
Laboratory Report
05/22/2019
Client Sample ID: South Outfall
Prism Sample ID: 9050264-06
Prism Work Order: 9050264
Time Collected: 05/11/19 15:19
Time Submitted: 05113/19 10:45
Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch
Limit Factor Datelrme ID
General Chemistry Parameters
Chemical Oxygen Demand BRL mg/L 50 10 1 'SM5220 D 5/17/19 14:40 SLS P9E0373
This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc.
"ll Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0543
Phone: [phone] - Toll Free Number: 1.8001529-6364 - Fax: [phone] Page 8 of 9

CHAHWOF CUSTODY RECORD
/P� {��\/f�� Full -Service Analytical &
�RIS-IYI Environmental Solutions PACE�OFL QUOTE# TO ENSURE PROPER e11-UNG:
vAaee< UAtrS tNC GQ Ia w es a /c A.7 A
449 Springbrook Road • Charlotte, NC 28217 Project Name: - Phone [phone] - Fax: [phone] Short Hold Analysis: (Yes) (No) UST Project. (Yes) (NO))
�Ia,CBS`Q 'Please ATTACH any project specific reporting (QC LEVEL 111111 IV)
Client Company Name: provisions and/or QC Requirements
Report To/Contact Name- 1.C4,M01 -C,ot S Invoice To:. K2e/42 es`r-`
Reporting Address: -9S:ZT �Q _YS %rQ d Address:.. - 574µ'If
-__-- -- --YES 'NO ='N/A
Samples INTACT upon arrival? e--
Received ON WET ICE?- - - _( O
PROPER PRESERVATIVES indicated? a `=" on;Received WITHINHOLDING TIMES?
a
CUSTODY. SEALS INTACT? =_ d
VOLATILES reed W/OUT.HEADSPACE?
Phonego`lc'i �0 =574 iFax (Yes) (No): _ Purchase Order No./Billing Reference -
TO BE FILLED IN BY CLIENT/SAMPLING PERSONNEL
Email Address: Requested Due Date 111 Day ❑ 2 Days ❑ 3 Days O 4 Days ❑ 5 Days
Certification: NELAC_ DOD_ FL_ NC )<
EDD Type: PDF_Excel Other -Working Days" ❑ 6-9 Days AStandard 10 days 0 Pf51 Wporrk dust Be
SC OTHER N/A
Site Location Name: t^ e ( ctyi K. Samples received after ld:00 will be processed next business day._
Turnaround time, is based on business days, excluding weekends and holidays.
—
Water Chlorinated: YES_ NO-X
Site Location Physical Address: µt (SEE REVERSE FOR TERMS B CONDITIONS REGARDING SERVICES
Sample IcedU on Collection: YES NO
P P
RENDERED BY PRISM LABORATORIES, INC. TO CLIENT)
CLIENT
SAMPLE DESCRIPTION
DATE
COLLECTED
TIME
I COLLECTED
MATRIX
WATER OR
SAMPLE CONTAINER
pRESERVA-
TIMES
/ ANALYSIS REQUESTED /J
/L� %/� / REMARKS
�
PRISM
LAB
D NO.
•TYPE
NO.
SIZE I
HOURS
SLUDGE)
SEE BELOW
/
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Paler-
IL I
U o ue I
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Sampler's Signature Sampled By (Print Name) Affiliation
Upon relinquishing, this Chain Cu tody is your authorization for Prism to proceed with the analyses as requested above. Any changes must be -
in to the Prism Project Manager. There will be charges f r any changes after analyses have been Initialized.
submitted writing
Rcr B_r. (si9D tore) Resa'ed dy:(- uml ox'e "��tilT0tryt17!9"' 'A""d��ditional Comments: Site Arrival Time:
<,�
�.^ - �- V ` 57p/'M pA`l G/' Site Departure Tme:
w ed ay. gnatu Received 6y: (SIgre) Dare -
Field Tech Fee:
Raliipmsb BY. (Spmture) Rewivad ar Prism lnDwYerroe / Date-
y`�/ Mileage:
. Alcttxxf W ShpmenL NOTE: ALL MPLE RS SHOULD BE TAPED S UT WITH CUSTODY SEALS FORT NSPORTATON TO THE RATORY. •COG Group N
SAMPLES ARE NOT CEP•TED AND VERIFIED AGAINST CDC UNTIL RECEIVED AT THE SORATORY.
v�
❑ Fed En ❑ UPS 0 Hand -0alivered Pnsm ReW Serv"a 0 O:ber _
-NPDES: UST: GROUNDWATER: DRINKING WATER: SOLID WASTE: RCRA: CERCLA LANDFILL OTHER:
NC ❑SC 0NC OSC OO NC 0SC 00 NC ❑SC 00 NC ❑SC OO NC 0SC
❑NCOSC ❑NC'b SC El NC ❑SC I OO 1
n n n 0
'CONTAINER TYPE CODES: A=Amber C=Clear G=Glass P=Plastic; TL = Teflon -Lined Cap VOA= Volatile Organics Analysis(cero mesa apace) ORIGINAL

STORM WATER WORKSHEET PH-TSS
SOLIDS RESULTS
TSS Std. Methods 22nd Edition METHOD # 2540 D-2011
TSS RESULTS
Blank North Outfall V East
Outfall C
# ml. 000 # mi. 0 00 # mi. /Ov # ml. /000
Gross wt. /. 99 / fV0
Tarewt. �. //, /f?09 * 1?0 z I
Net WL (/d0g0 •0 Oro /7
D 151.7
Results mgll Q ��
Test Weight Serial # 3//�v Se[�or91`,Y�3ni.,
TSS Filter oad Lot # Y.t.1 0�. •. I,c,r u:T. _t,`k'�x�.t
PH RESULTS
Outfall South Outfall
AMPLE S
I (i+
(
J
TAKEN
TIME SAMPLES
2 J
O
pH Slid. Methods 22nd Ed. IN LAB
TIME SAMPLES
7
! J
METHOD # 4500-H+B.2011 RAN
-7'
RESULTS
-
ANALYST /K
between the time samples were obtained and the time the test run must be less than 15
NOTE: The time difference
minutes
EXPIRATION
DATE
M10.0
If/zezo
to /ZOZO
01/yozo
1.0
Time Rain
fall Started
/ $D
Total Rain Fall
Time
Over North
J�a
Length of time it rained in [1
7
Outfall
l
hours
Page 1

STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number NCS 000064
FACILITY NAME _CNA Holdings LLC —Shelby Plant
PERSON COLLECTING SAMPLE(S) _Mike Sparks & Randall Turner_
CERTIFIED LABORATORY(S) Prism Laboratory_Lab # 402 _
CNA Holdings LLC - ShelbyLab #_221—
Part A: Specific Monitoring Requirements
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.)
COUNTY Cleveland
PHONE NO. (_704—) 480-5793
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
Outfall
No.
Date
Sample
Collected
150050
100530
00310
00340
00400
Total
Flow (if app.)
Total
Rainfall
Total
Suspended
Solid
BODS
COD
pH
mo/dd/ r
MG
inches
M l
M/I
M/I
standard
North
5/11/19
n/a
1.0
9.0
8.2
BRL
7.7
South
5/11/19
n/a
11.0
14.7
5.3
BRL
7.3
East
5/11/19
n/a
1.0
16.0
5.7
BRL
7.6
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 Activitv Monitoring Retmirementc
Outfall
No.
Date
Sample
Collected
156050
00556
00530
00400
Total Flow
(if applicable)
Total
Rainfall
Oil & Grease
(if appl.)
Non -polar
O&G/TPH
(Method 1664
Total
Suspended
Solids
pH
New Motor
Oil Usage
SGT-HEM), if
appl.
mo/dd/ r
MG
inches
m /l
m A
unit
aUmo
Form S WU-247, last revised 21212012
Paor t nfI

STORM EVENT CHARACTERISTICS:
Date 5/11/19
Total Event Precipitation (inches): 1.0
Event Duration (hours): 4 (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 y knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information,
inclu m the possibj�ty of fines and imprisonment for knowing violations."
June 19, 2019
(Date)
Form SWU-247, last revised 21212012
Pon. 0 ..M

P
AN(,
ipp``Full-Service Analytical 8 NC Certification No. 402
IICaI I S. M I Environmental Solutions NC Drinking Water Cert No. 37735
'Vua0aAToR 6S iR0 SC Certification No. 99012
Celanese
Michael Sparks
Project: 2019 Stormwater Permit Analysis
2525 Blacksburg Road Lab Submittal Date: 05113/2019
Grover, NC 28073
Prism Work Order: 9050264
Case Narrative
5/22/19 12:38
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
Project Manager
Data Qualifiers Key Reference
DO Difference between sample dilutions is greater than 30%.
BRL Below Reporting Limit
MDL Method Detection Limit
RPD Relative Percent Difference
Reviewed By Jackie Zmer For Terri W. Cole
Project Manager
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 Laboratodes, Inc.
449 Springbrook Road - P.O. Box 240543 -Charlotte, NC 28224-0543
Phone: [phone] - Toll Free Number: 1-800/5294364 - Fax: [phone]
Page 1 of 9

L,nRI S M Full-Scrvlce /nalytical &
' t" 6n ionmental Solutions
n uvonnromrte me
Client Sample ID
Lab Sample ID
Matrix
North Outfall
9050264-01
Water
. North Outfall
9050264-02
Water
East Outfall
9050264-03
Water
East Outfall
9050264-04
Water
South Outfall
9050264-05
Water
South Outfall
9050264-06
Water
Samples were received in good condition at 2.8 degrees C unless otherwise noted.
Sample Receipt Summary
05/22/2019
Prism Work Order: 9050264
Date/Time Sampled
05/11/19 14,13
05/11/19 14:10
05/11/19 1454
05/11/19 1455
05/11/19 15:21
05/11/19 15:19
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]
Daterrime Received
05/13/19 10:45
05/13/19 10:45
05/13/19 10:45
05/13/19 10:45
05/13/19 1045
05/13/19 10:45
Page 2 of 9

nv,
vice Analytical aZPRISM 'En,io Solu,s
Celanese
Attn: Michael Sparks
2525 Blacksburg Road
Grover, NC 28073
Parameter
General Chemistry Parameters
Biochemical Oxygen Demand
Result
Laboratory Report
05/22/2019
Project: 2019 Stormwater Permit Client Sample ID: North Outfall
Analysis Prism Sample ID: 9050264-01
Prism Work Order: 9050264
Sample Matrix: Water Time Collected: 05/11/19 14:13
Time Submitted: 05/13/19 10:45
Units Report MDL Dilution Method Analysis Analyst Batch
Limit Factor DateRme ID
8.2 0D mg/L 2.0 0.20 1 •SM5210 B 5/13119 14:02 CBM P9E0317
This report should not be reproduced, except in its entirety, without the written consent or Prism Laboratories, Inc.
449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0S43
Phone: [phone] - Toll Free Number: 1-8001529-6364 - Fax: [phone]
Page 3 of 9

F' Servico Analytical 8
f�Environmental Solutions
R ISM 1 Fun -
Laboratory Report
05512212019
Celanese
Attn: Michael Sparks
2525 Blacksburg Road
Grover, NC 28073
Project: 2019 Stormwater Permit Client Sample ID: North Outfall
Analysis Prism Sample ID: 9050264-02
Prism Work,Order. 9050264
Sample Matrix: Water Time Collected: 05/11/19 14:10
Time Submitted: 05/13/19 10:45
Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch
Limit Factor Date/Time ID
General Chemistry Parameters
Chemical Oxygen Demand BRL mg/L 50 10 1 -SM5220 D 5/17/19 14:40 SLS P9E0373
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: 1-8001529.6364 - Fax: 70V525-0409 Page 4 of 9

R
PR I S M FW me analytical 6
Environmental $OIYIiOnS
Celanese
Attn: Michael Sparks
2525 Blacksburg Road
Grover, NC 28073
Laboratory Report
05/22/2019
Project; 2019 Stormwater Permit Client Sample ID: East Outfall
Analysis Prism Sample ID: 9050264-03
Prism Work Order: 9050264
Sample Matrix: Water Time Collected: 05/11/19 14:54
Time Submitted: 05/13/19 10:45
Parameter Result Units Report MOIL Dilution Method Analysis Analyst Batch
Limit Factor Daterrme ID
General Chemistry Parameters
Biochemical Oxygen Demand 5.7 Do mg/L 2.0 0.20 1 'SM5210 B 5/13119 14:46 CBM P9E0317
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: 1-8001529-6364 - Fax: [phone]
Page 5 of 9

n Analytical Ennronmental SolutionsRI S M
�p�Tumnn�onrtR �w<.
Laboratory Report
05122/2019
Celanese
Attn: Michael Sparks
2525 Blacksburg Road
Grover. NC 28073
Parameter Result
General Chemistry Parameters
Chemical Oxygen Demand BRL
Project: 2019 Stonmwater Permit Client Sample ID: East Outfall
Analysis Prism Sample ID: 9050264-04
Prism Work Order: 9050264
Sample Matrix: Water Time Collected: 05/11/19 14:55
Time Submitted: 05/13/19 10:45
Units Report MDL Dilution Method Analysis Analyst Batch
Limit Factor DateRme ID
mg/L 50 10 1 'SM5220 D 5/17119 14:40 SLS P9E0373
This report should not be reproduced, except in its entirety, without the written consent of Prism Labomtones, Inc.
449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0643
Phone: [phone] - Toll Free Number. 1-8001629-6364 - Fax: [phone] Page 6 of 9

I
] Full-Survi<e Analyn Cal 8
PRISM I Environmental Solutions
Laboratory Report
05122/2019
Celanese
Attn: Michael Sparks
2525 Blacksburg Road
Grover, NC 28073
Project: 2019 Stormwater Permit Client Sample ID: South Outfall
Analysis Prism Sample ID: 9050264-05
Prism Work Order: 9050264
Sample Matrix: Water Time Collected: 05/11/19 15:21
Time Submitted: 05/13/19 10:45
Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch
Limit Factor DateRme ID
General Chemistry Parameters
Biochemical Oxygen Demand 5.3 DD mg/L 2.0 0.20 1 'SM5210 S 5/13119 14:46 CBM P9E0317
This report should not be reproduced, except in its entirety, without the wntten consent of Pnsm Laboratories, Inc.
449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 29224-0543
Phone: [phone] - Toll Free Number: 1-8001529-6364 - Fax: [phone] Page 7 of 9

PAR I S M I Eviiironmee al Soi do a
1 EnW Se—Cetnlalyt'ai&
�Pwwn.�onK¢iw.
Laboratory Report
05/22/2019
Celanese
Atm Michael Sparks
2525 Blacksburg Road
Grover, INC 28073
Project: 2019 Stormwater Permit Client Sample ID: South Outfall
Analysis Prism Sample ID: 9050264-06
Prism Work Order: 9050264
Sample Matrix: Water Time Collected: 05/11/19 15:19
Time Submitted: 05/13/19 10:45
Parameter Result
Units Report
Limit
MDL Dilution Method Analysis Analyst
Factor DateRme
Batch
ID
General Chemistry Parameters
Chemical Oxygen Demand BRL
mg/L 50
10 1 •SM5220 D 5/17/19 14:40 SLS
PSE0373
This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratones, Inc.
449 Springbrook Road - P.O. Box 240543 - Charlotte, NC 28224-0543
Phone: [phone] -Toll Free Number: 1-8001529-6364 - Fax: 704/52S-0409 Page 8 Of 9

Environmental Solutions PACHA'GE—L OF �`pOFUOTE #CUSTODY TO ENSURE PROPER 'INRGCoRD
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449 Springbrook Road • Charlotte, NC 28217 Project Name:
Phone [phone] • Fax: [phone] Short Hold Analysis: (Yes) (No) UST Project: (Yes) (NO)
nV- 'Please ATTACH any project specific reporting (OC LEVEL 1 II III IV)
Client Company Name: (.-.� provisions and/or QC Requirements
Report To/Contact Name: fe Af Invoice To: e�— e/a t es C
Reporting Address: 91S-- ZS' '111,Gt.t-1:S kLrd Address:
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Email Address: Requested Due Date O 1 Day ❑ 2 Days ❑ 3 Days ❑ 4 Days O 5 Days
Certification: NELAC DOD FL NC
EDD Type: PDF_Excel _Other "Working Days" O 6-9 Days XStandard 10 days O Rush Work Must Be
Pre -Approved
SC OTHER NIA
Site Location Name: Ce( 4witJ ` - Samples received after 14:00 will be processed next business day.
holidays.
Water Chlorinated: YES_ NO_X
Site Location Physical Address: Atit Turnaround time Is based on business days, excluding weekends and
(SEE REVERSE FOR TERMS a CONDITIONS REGARDING SERVICES
RENDERED BY PRISM LABORATORIES, INC. TO CLIENT)
Sample Iced Collection: YES
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TIME
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Upon relinquishing, this Chain PfCunody is your authorization for Prism to proceed with the analyses as requested above. Any changes musTIbe
submitted in writing to the Prism Project Manager. There will be charges f r any changes after analyses have been Initialized.
Rai' y: (StOn lure). Received By: ( um) Data al Comments: Site Arrival Time:Rasrqv
ad ey: gna'e R....a By: (Sig .vre) DamM0,�40-f Site Departure Time:
Field Tech Fee:
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A o orSmpmenL NOTE: AL MPLE Cp0 ERB SHOULD HTA TIN CUSTODYSEAL OR T NSPORTATIO TO E ORATORY. COC Group NSAMLESARENOT_VIjOEPTED
AND VERIFIED AGAINST COC UNTIL RECENED AT THE BORATORY.
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❑ Fed Ex ❑ UPS ❑ MaMEeliverad pdsm m-ld Senkxr D Olhor
NPDES: UST: GROUNDWATER: DRINKING WATER: ' SOLID WASTE: RCRA: I CERCLA LANDFILL OTHER:
❑NC❑SC ❑NC'b SC El NC ❑SC I ❑NC ❑SC I ❑NC El SC ❑NC❑SC� ❑NC ❑SC ❑NC DISC❑NC ❑SC0
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'CONTAINER TYPE CODES: A=Amber C = Clear G= Glass P = Plastic: TL = Teflon -Lined Cap VOA = Volatile Organics Analysis (Zero Head Space) nPlr_INI AI

STORM WATER WORKSHEET PH-TSS
Date:
S—/1 — t9
Analyst:
"/Q7
Time In:
/S"S`O
Time Out:
/bS0
SOLIDS RESULTS
TSS Std. Methods 22nd Edition METHOD # 2540 D-2011
TSS RESULTS
Blank
North Outfall 7
East Outfal(r
South Outfall
Gross wt.
gnn9(f��
41,051
�
/.o Z z
Tare wt.
/I�Q7 /
/,/�07
/./740
/,Z/t/g
Netwt
000
, 6090
.0 /tlO
Or%0 /,
Results mg/I
, Q
�j(j . 0
(� T . -7
Test Weight Serial#
3/vSearr
t iwiI - ty< Val,
�`_ 'oTSS
fA.y,.si�e�
Filter pad Lot#
�ps .1 /��
pH Std. Methods 22nd Ed.
METHOD # 4500-H+B-2011
PH RESULTS
North Outfall
East Outfall
South Ouffall
TIME
TAKENAMPLES
(
7 J
TIME SAMPLES
IN LAB
TIME SAMPLES
q
o
RAN
RESULTS
- 7
-7,
ANALYST
I x
NOTE: The time difference between the time samples were obtained and the time the test run must be less than 15
minutes
PH BUFFER LOT #
EXPIRATION
DATE
4.0
/97 27
II/2oz.0
7.0
6 rin
LO /ZOZ*
10.0
JVCC490
of/tozo
Time Rain fall Started
1315,0
Time Over North
ls�a
Outfall
Time Over East Ouffall
Time Over South
Ouffall
IS/0
Total Rain Fall
1.0
Length of time it rained in
hours
Page 1