NC0089656_Renewal (Application)_20191227

r 1 IN
ROY COOPER a,
Governor
MICHAEL S.REGAN �. -.4.10 " . $
Secrrtary r'i`°i"'" a°'
LINDA CULPEPPER NORTH CAROLINA
Dine Y rnr Environmental Quality
January 06, 2020
DC Charlotte Plaza, LLLP
Attn: Nesic Dragan, Chief Engineer
1515 S Tryon St
Charlotte, NC 28203
Subject: Permit Renewal
Application No. NC0089656
Dimensional Place
Mecklenburg County
Dear Applicant:
The Water Quality Permitting Section acknowledges the December 27, 2019 receipt of your permit renewal application
and supporting documentation. Your application will be assigned to a permit writer within the Section's NPDES WW
permitting branch. Per G.S. 150E-3 your current permit does not expire until permit decision on the application is made.
Continuation of the current permit is contingent on timely and sufficient application for renewal of the current permit. The
permit writer will contact you if additional information is required to complete your permit renewal. Please respond in a
timely manner to requests for additional information necessary to allow a complete review of the application and renewal
of the permit.
Information regarding the status of your renewal application can be found online using the Department of Environmental
Quality's Environmental Application Tracker at:
https://deq.nc.gov/permits-regulations/permit-guidance/environmental-application-tracker
If you have any additional questions about the permit, please contact the primary reviewer of the application using the
links available within the Application Tracker.
Sincerely,
Wren Thedford
Administrative Assistant
Water Quality Permitting Section
cc: Central Files w/application
ec: WQPS Laserfiche File w/application
North Caro r,a Departrrert of Env,ronrrenta'Quality I D;vsAn of Water Resouroes
tij
��■/ �� Mooresv a Reg-one Off oe I E1; Eat ;r.rterAvenue,Suite301 I Mooresv''e,North Caro na 23115
s ::—.'t. :M......� /`' 704-663-1869

ECS SOUTHEAST, LLP Setting the Standard for Service"
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Geatechnica( • Construction Materials • Environmental Facilities• Reys:ereu c meenn s Fvm F-147S
NC;Regrszerea Geologists Fkm G86S
SC Regrstereo Engmeenng Firm 3234
December 16,2019
NCDEQ/DWR/NPDES Unit
Attn:Wren Thedford
1617 Mail Service Center RECEIVED
Raleigh, NC 27669-1617
DEC 2 7 2019
Reference: Request for NPDES Permit Application Renewal NCDEQ/DWRINPDES
Dimensional Place—Groundwater Remediation (GW-REM)
NPDES Permit NC0089656
1515 South Tryon Street
Charlotte, Mecklenburg County, North Carolina
ECS Project 49-1836-H
Dear Mr.Thedford:
ECS Southeast, LLP (ECS), on behalf of Cousins Properties and DC Charlotte Plaza, LLLP, is requesting
approval for renewal of the existing system that is currently operating and has National Pollutant
Discharge Effluent System (NPDES) permit NC0089656. The permit includes de-watering groundwater
from the site subgrade parking garage. Additionally, the captured water is routed through an on-site
water treatment system designed by Aquanomix that utilizes the water for on-site needs such as in
cooling towers thereby lowering the amount of municipal water required. The attached renewal has
been signed by Mr. Dragan Nesic of Cousins Properties an authorized signee for the permit.
BACKGROUND INFORMATION
The subject site is the Dimensional Place — GW-REM which includes the multi-level office building and
subgrade parking deck at 1515 South Tryon Street in Charlotte, Mecklenburg County, North Carolina.
The Dimensional Place site is bound by South Tryon Street to the north, Camden Road to the southeast,
and West Park Avenue to the southwest. Currently, the site is operating NPDES permit No. NC0089656
and discharging groundwater to a storm sewer located in South Tryon Street. The storm sewer
ultimately discharges to an unnamed tributary of Irwin Creek, a Class C surface water in the Catawba
River Basin. Figure 1 indicates the location of this site and outfall location. No sludge waste is
generated as part of the treatment process. Filters and granular activated carbon are replaced as
needed and properly disposed of off-site.
Permit Sampling
In accordance with the existing NPDES permit, the system includes treatment of the water prior to
discharge, via the Aquanomix system. The permit also requires that the discharge be monitored,
sampled, and reported. Additionally, a monthly discharge monitoring report (DMR) is required to be
submitted to the NCDEQ, DWQ. The DMR requires the monthly monitoring, including the collection of
grab effluent samples for laboratory analysis, and reporting. Once per quarter, additional grab samples
of the effluent are required to be collected and submitted for laboratory analysis for chronic toxicity
with results submitted to the NCDEQ. ECS does not recommend changes to the scheduled sampling. A
copy of the most recent post treatment data (from November 2019) collected prior to discharge in
accordance with the current permit and reporting is included as an attachment to this application.
ECS Capitol Services,PLLC • ECS Florida.LLC • ECS Mid-Atlantic,LLC • ECS Midwest.LLC • ECS Southeast,LLP • ECS Texas,LLP
www.ecslirnited.com

Request for NPDES Permit Renewal
Dimensional Place—GW-REM
Charlotte, North Carolina
ECS Project 49-1836-H
December 16, 2019
Permit Modification
With the exception of the Minor Permit Modification data November 16, 2018, additional changes are
not proposed to the system or permit since the prior renewal.
SUMMARY AND CLOSING
DC Charlotte Plaza, LLLP is requesting a renewal for the permit related to the system that has been
operating under permit number NC0089656. Should more detailed figures and information be required,
they can be provided to the NCDEQ, upon request.
If there are questions regarding this submittal, or a need for further information, please contact us at
[phone].
Respectfully submitted,
ECS SOUTHEAST, LLP
74• 214 71/ 4 2).4.:,
Christopher D. Orrell, P.G. Matthew H. McDuffie, P.G.
Project Manager Principal Geologist
cc: Dragan Nesic,Cousins Properties
Attachments:
NPDES Permit Application—Short Form C-GW
Figures
November 2019 Laboratory Data
2

NPDES PERMIT APPLICATION

NPDES PERMIT APPLICATION - SHORT FORM C - GW
For discharges associated with groundwater treatment facilities.
Mail the complete application to:
NC DEQ / DWR / NPDES
1617 Mail Service Center
Raleigh, NC 27699-1617
NPDES Permit Number NC0089656
If you are completing this form in computer use the TAB key or the up - down arrows to move from one
field to the next. To check the boxes, click your mouse on top of the box. Otherwise,please print or type.
1. Contact Information:
Owner Name DC Charlotte Plaza, LLLP
Facility Name Dimensional Place- Groundwater Remediation (GW-REM)
Mailing Address 1515 South Tryon Street
City Charlotte
State / Zip Code North Carolina 28203
Telephone Number [phone] RECEIVED
Fax Number ( ) DEC 2 7 2019
e-mail Address [e-mail]
NCDEQ/DWRINPDES
2. Location of facility producing discharge:
Check here if same as above
Street Address or State Road
City
State / Zip Code
County
3. Operator Information:
Name of the firm, consultant or other entity that operates the facility. (Note that this is not referring to the
Operator in Responsible Charge or ORC)
Name Cousins Properties
Mailing Address 1515 South Tryon Street
City Charlotte
State / Zip Code North Carolina 28203
Telephone Number [phone]
Fax Number ( )
4. Ownership Status:
Federal ❑ State ❑ Private ® Public ❑
Page 1 of 3 C-GW 6/17

NPDES PERMIT APPLICATION - SHORT FORM C - GW
For discharges associated with groundwater treatment facilities.
5. Products recovered:
Gasoline ❑ Diesel fuel ❑ Solvents ® Other
6. Number of separate discharge points: 1
Outfall Identification number(s) 001
7. Frequency of discharge: Continuous ® Intermittent ❑
If intermittent:
Days per week discharge occurs: Duration:
8. Treatment System Design flow 0.108 MGD
9. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including
latitude and longitude):
Irwin Creek
10. Please list all additives to the treatment system, including chemicals or nutrients, that have
the potential to be discharged.
11. Is this facility located on Indian country? (check one)
Yes ❑ No
12. Additional Information
All applicants (including renewals):
• A USGS topographical map (or copy of the relevant portion) which shows all outfalls
• A summary of the most recent analytical results (effluent data, if available) containing the
maximum values for each chemical detected
NEW Applicants only:
• Engineering Alternative Analysis
• Description of remediation treatment system components, capacities, and removal efficiency
for detected compounds.
• If the treatment system will discharge to a storm sewer, written approval from the
municipality responsible for the sewer.
• A list of any chemicals found in detectable amounts at the site, with the maximum observed
concentration reported for each chemical (the most recent sample must be collected less
than one year prior to the date of this application)
• For petroleum-contaminated sites—Analyses for Volatile Organic Compounds (VOC) should
be performed. Analyses for any fuel additives likely to be present at the site and for phenol
and lead should also be performed.
• For sites contaminated with solvents or other contaminants - EPA Method 624/625
analysis should be performed.
Page 2 of 3
C-GW 6/17

NPDES PERMIT APPLICATION - SHORT FORM C - GW
1 For discharges associated with groundwater treatment facilities.
13. Applicant Certification
I certify that I am familiar with the information contained in the application and that to the
best of my knowledge and belief such information is true, complete, and accurate.
Dragan Nesic Chief Engineer
Printed name of Person Signing Title
1 '!,a �/I� till 6/201 of
Signaturof Applicant Date
North Carolina General Statute 143-215.6 (b)(2) provides that: Any person who knowingly makes any false
statement representation, or certification in any application, record, report, plan, or other document files or
required to be maintained under Article 21 or regulations of the Environmental Management Commission
implementing that Article, or who falsifies, tampers with, or knowingly renders inaccurate any recording or
monitoring device or method required to be operated or maintained under Article 21 or regulations of the
Environmental Management Commission implementing that Article, shall be guilty of a misdemeanor punishable
by a fine not to exceed $25,000, or by imprisonment not to exceed six months, or by both. (18 U.S.C. Section
1001 provides a punishment by a fine of not more than$25,000 or imprisonment not more than 5 years, or both,
for a similar offense.)
Page 3 of 3 C-GW 6/17

FIGURES

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DC Charlotte Plaza LLLP- Dimensional Place
NPDES Permit NC0089656 , a
1515 South Tryon Street, Charlotte 28203 * ":
Receiving Stream:UT to Irwin Creek Stream Class:C
Stream Segment: 11-137-1 Sub Basin#:03-08-34 35.215278°N, -80.857778°IA
Basin:Catawba HUC:030501030101 SCALE NC Grid:G I SNE
County: Mecklenburg 1:10,000 USGS Quad:Charlotte E,NC

LAB DATA

Case Narrative
NC Certification No.402
„PRISM
Environmental Solutions
Pull-Service Analytical s NC Drinking Water Cert No.37735
SC Certification No.99012 11/25/19 14:27
LABORATORIES,INC.
ECS Carolinas, LLP(Charlotte) Project: Dimensional Place-Monthly
Chris Orrell
1812 Center Park Drive, Suite D Lab Submittal Date: 11/19/2019
Charlotte, NC 28217 Prism Work Order: 9110329
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.
r arce_
�
i/Y/\J-ICJ
Terri W.Cole Reviewed By Terri W.Cole
Project Manager Project Manager
Data Qualifiers Key Reference:
OG HEM O&G is less than the reporting limit, therefore TPH (SGT-HEM)is less than the reporting limit.Sample not
extracted for TPH (SGT-HEM).
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:1-8001529-6364-Fax:[phone] Page 1 of 10

Sample Receipt Summary
/P-R Fuli-Service Analytical&
Environmental Solutions 11/25/2019
I aaonaTOMMES,INC
Prism Work Order: 9110329
Client Sample ID Lab Sample ID Matrix Date/Time Sampled Date/Time Received
MID 9110329-01 Water 11/19/19 14:35 11/19/19 16:05
001 9110329-02 Water 11/19/19 14:35 11/19/19 16:05
Samples were received in good condition at 2.9 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 10

Summary of Detections
/PRISM
Full-Service Analytical&
Environmental Solutions 11/25/2019
LAeopArceFFs.tsr.
Prism Work Order: 9110329
Prism ID Client ID Parameter Method Result Units
9110329-01 MID Chloroform *624.1 1.6 ug/L
9110329-02 001 Total Hardness *200.7 130 mg/L
9110329-02 001 Calcium *200.7 31 mg/L
9110329-02 001 Magnesium `200.7 12 mg/L
9110329-02 001 Chloroform *624.1 1.6 ug/L
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 10

F
P \ ISM 1 Envir ervice al Sol ical&
Laboratory Report
.��s Environmental Sowtions 11/25/2019
` uew ATONIES.INC.
ECS Carolinas,LLP(Charlotte) Project: Dimensional Place-Monthly Client Sample ID: MID
Attn:Chris Orrell Prism Sample ID: 9110329-01
1812 Center Park Drive,Suite D Prism Work Order:9110329
Charlotte, NC 28217 Sample Matrix: Water Time Collected: 11/19/19 14:35
Time Submitted: 11/19/19 16:05
Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch
Limit Factor Date/me ID
Volatile Organic Compounds by GC/MS
1,1-Dichloroethane BRL ug/L 1.0 0.083 1 *624.1 11/20/19 14:44 JLB P9K0375
1,1-Dichloroethylene BRL ug/L 1.0 0.083 1 *624.1 11/20/19 14:44 JLB P9K0375
1,2-Dichloroethane BRL ug/L 1.0 0.066 1 `624.1 11/20/19 14:44 JLB P9K0375
Chloroform 1.6 ug/L 1.0 0.076 1 *624.1 11/20/19 14:44 JLB P9K0375
Tetrachloroethylene BRL ug/L 1.0 0.098 1 *624.1 11/20/19 14:44 JLB P9K0375
Trichloroethylene BRL ug/L 1.0 0.078 1 *624.1 11/20/19 14:44 JLB P9K0375
Surrogate Recovery Control Limits
4-Bromofluorobenzene 99% 74-126
Dibromofluoromethane 99% 75-127
Toluene-d8 97% 74-122
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 10

APRISM Laboratory Report
Full-Service Analytical&
Environmental Solutions 11/25/2019
" LABORATORIES INC.
ECS Carolinas, LLP(Charlotte) Project: Dimensional Place-Monthly Client Sample ID: 001
Attn:Chris Orrell Prism Sample ID: 9110329-02
1812 Center Park Drive, Suite D Prism Work Order:9110329
Charlotte, NC 28217 Sample Matrix: Water Time Collected: 11/19/19 14:35
Time Submitted: 11/19/19 16:05
Parameter Result Units Report MDL Dilution Method Analysis Analyst Batch
Limit Factor Date/me ID
General Chemistry Parameters
Oil&Grease(SGT-HEM) BRL OG mg/L 5.0 1.6 1 *1664B 11/21/19 8:30 SLS P9K0385
Total Suspended Solids BRL mg/L 2.6 0.70 1 *SM2540 D 11/21/19 13:31 CBM P9K0391
Turbidity BRL NTU 1.0 0.38 1 *180.1 11/20/19 16:05 CBM P9K0400
Total Metals
Total Hardness 130 mg/L 1.3 0.38 1 *200.7 11/21/19 19:45 JAB [CALC]
Calcium 31 mg/L 0.20 0.072 1 *200.7 11/21/19 19:45 JAB P9K0372
Copper BRL mg/L 0.020 0.0051 1 *200.7 11/21/19 19:45 JAB P9K0372
Lead BRL mg/L 0.010 0.0030 1 *200.7 11/21/19 19:45 JAB P9K0372
Magnesium 12 mg/L 0.20 0.049 1 *200.7 11/21/19 19:45 JAB P9K0372
Zinc BRL mg/L 0.050 0.027 1 *200.7 11/21/19 19:45 JAB P9K0372
Volatile Organic Compounds by GC/MS
1,1-Dichloroethane BRL ug/L 1.0 0.083 1 *624.1 11/20/19 15:09 JLB P9K0375
1,1-Dichloroethylene BRL ug/L 1.0 0.083 1 *624.1 11/20/19 15:09 JLB P9K0375
1,2-Dichloroethane BRL ug/L 1.0 0.066 1 *624.1 11/20/19 15:09 JLB P9K0375
Chloroform 1.6 ug/L 1.0 0.076 1 *624.1 11/20/19 15:09 JLB P9K0375
Tetrachloroethylene BRL ug/L 1.0 0.098 1 *624.1 11/20/19 15:09 JLB P9K0375
Trichloroethylene BRL ug/L 1.0 0.078 1 *624.1 11/20/19 15:09 JLB P9K0375
Surrogate Recovery Control Limits
4-Bromofluorobenzene 99% 74-126
Dibromofluoromethane 99% 75-127
Toluene-d8 96% 74-122
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 10

Level II QC Report
,RR I S M Full-Service Analytical S.
Environmental Solutions 11/25/19
ti%%, LABORATORIES.INC.
ECS Carolinas, LLP(Charlotte) Project: Dimensional Place-Monthly Prism Work Order: 9110329
Attn: Chris Orrell Time Submitted: 11/19/2019 4:05:00PM
1812 Center Park Drive,Suite D
Charlotte, NC 28217
Volatile Organic Compounds by GC/MS-Quality Control
Reporting Spike Source %REC RPD
Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes
Batch P9K0375-624 1
Blank(P9K0375-BLK1) Prepared&Analyzed: 11/20/19
1,1-Dichloroethane BRL 1.0 ug/L
1,1-Dichloroethylene BRL 1.0 ug/L
1,2-Dichloroethane BRL 1.0 ug/L
Chloroform BRL 1.0 ug/L
Tetrachloroethylene BRL 1.0 ug/L
Trichloroethylene BRL 1.0 ug/L
Surrogate:4-Bromofluorobenzene 49.6 ug/L 50.00 99 74-126
Surrogate:Dibromofluoromethane 49.3 ug/L 50.00 99 75-127
Surrogate:Toluene-d8 48.4 ug/L 50.00 97 74-122
LCS(P9K0375-BS1) Prepared&Analyzed: 11/20/19
1,1,1-Trichloroethane 19.7 5.0 ug/L 20.00 98 52-162
1,1,2,2-Tetrachloroethane 17.4 5.0 ug/L 20.00 87 46-157
1,1,2-Trichloroethane 18.4 5.0 ug/L 20.00 92 52-150
1,1-Dichloroethane 18.7 1.0 ug/L 20.00 93 59-155
1,1-Dichloroethylene 19.7 1.0 ug/L 20.00 98 10-234
1,2-Dichlorobenzene 18.4 5.0 ug/L 20.00 92 18-190
1,2-Dichloroethane 18.6 1.0 ug/L 20.00 93 49-155
1,2-Dichloropropane 18.8 5.0 ug/L 20.00 94 10-210
1,3-Dichlorobenzene 18.4 5.0 ug/L 20.00 92 59-156
1,4-Dichlorobenzene 18.5 5.0 ug/L 20.00 92 18-190
Acrolein 35.7 100 ug/L 40.00 89 10-196
Acrylonitrile 35.7 100 ug/L 40.00 89 60-134
Benzene 19.3 5.0 ug/L 20.00 96 37-151
Bromodichloromethane 19.3 5.0 ug/L 20.00 97 35-155
Bromoform 18.3 5.0 ug/L 20.00 92 45-169
Bromomethane 18.0 10 ug/L 20.00 90 10-242
Carbon Tetrachloride 20.5 5.0 ug/L 20.00 102 70-140
Chlorobenzene 19.2 5.0 ug/L 20.00 96 37-160
Chloroethane 22.1 10 ug/L 20.00 110 14-230
Chloroform 19.3 1.0 ug/L 20.00 97 51-138
Chloromethane 16.2 10 ug/L 20.00 81 10-273
cis-1,3-Dichloropropylene 19.3 5.0 ug/L 20.00 96 10-227
Dibromochloromethane 18.4 5.0 ug/L 20.00 92 53-149
Ethylbenzene 18.9 5.0 ug/L 20.00 95 37-162
Methylene Chloride 18.3 5.0 ug/L 20.00 92 10-221
Tetrachloroethylene 20.1 1.0 ug/L 20.00 100 64-148
Toluene 19.2 5.0 ug/L 20.00 96 47-150
trans-1,2-Dichloroethylene 19.2 5.0 ug/L 20.00 96 54-156
trans-1,3-Dichloropropylene 19.1 5.0 ug/L 20.00 96 17-183
Trichloroethylene 19.7 1.0 ug/L 20.00 98 71-157
Trichlorofluoromethane 20.9 10 ug/L 20.00 105 17-181
Vinyl chloride 17.9 10 ug/L 20.00 90 10-251
Surrogate:4-Bromofluorobenzene 49.3 ug/L 50.00 99 74-126
Surrogate:Dibromofluoromethane 48.9 ug/L 50.00 98 75-127
Surrogate:Toluene-d8 49.1 ug/L 50.00 98 74-122
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 6 of 10

Level II QC Report
PFull-Service Analytical s 11/25/19
;4VY,�:'�'� Environmental Solutions
"rssx LABORATORIES,INC.
ECS Carolinas, LLP(Charlotte) Project: Dimensional Place-Monthly Prism Work Order: 9110329
Attn: Chris Orrell Time Submitted: 11/19/2019 4:05:00PM
1812 Center Park Drive, Suite D
Charlotte, NC 28217
Volatile Organic Compounds by GC/MS-Quality Control
Reporting Spike Source %REC RPD
Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes
Batch P9K0375-624
LCS Dup(P9K0375-BSD1) Prepared&Analyzed: 11/20/19
1,1,1-Trichloroethane 19.0 5.0 ug/L 20.00 95 52-162 3 20
1,1,2,2-Tetrachloroethane 16.7 5.0 ug/L 20.00 83 46-157 5 20
1,1,2-Trichloroethane 17.9 5.0 ug/L 20.00 90 52-150 2 20 1
1,1-Dichloroethane 18.0 1.0 ug/L 20.00 90 59-155 4 20
1,1-Dichloroethylene 18.8 1.0 ug/L 20.00 94 10-234 4 20
1,2-Dichlorobenzene 18.1 5.0 ug/L 20.00 90 18-190 2 20
1,2-Dichloroethane 17.9 1.0 ug/L 20.00 89 49-155 4 20
1,2-Dichloropropane 18.3 5.0 ug/L 20.00 91 10-210 3 20
' 1,3-Dichlorobenzene 18.0 5.0 ug/L 20.00 90 59-156 2 20
1,4-Dichlorobenzene 17.9 5.0 ug/L 20.00 89 18-190 4 20
Acrolein 32.1 100 ug/L 40.00 80 10-196 11 20
Acrylonitrile 33.4 100 ug/L 40.00 84 60-134 7 20
Benzene 18.5 5.0 ug/L 20.00 92 37-151 4 20
' Bromodichloromethane 18.5 5.0 ug/L 20.00 92 35-155 4 20
Bromoform 17.0 5.0 ug/L 20.00 85 45-169 7 20
Bromomethane 17.9 10 ug/L 20.00 90 10-242 0.4 20
Carbon Tetrachloride 19.5 5.0 ug/L 20.00 97 70-140 5 20
Chlorobenzene 18.3 5.0 ug/L 20.00 91 37-160 5 20
Chloroethane 20.9 10 ug/L 20.00 105 14-230 5 20
Chloroform 18.5 1.0 ug/L 20.00 92 51-138 4 20
Chloromethane 15.3 10 ug/L 20.00 76 10-273 6 20
cis-1,3-Dichloropropylene 18.7 5.0 ug/L 20.00 93 10-227 3 20
Dibromochloromethane 17.6 5.0 ug/L 20.00 88 53-149 4 20
Ethylbenzene 17.9 5.0 ug/L 20.00 89 37-162 6 20
Methylene Chloride 17.9 5.0 ug/L 20.00 89 10-221 3 20
Tetrachloroethylene 18.7 1.0 ug/L 20.00 94 64-148 7 20
Toluene 18.3 5.0 ug/L 20.00 92 47-150 4 20
trans-1,2-Dichloroethylene 18.3 5.0 ug/L 20.00 91 54-156 5 20
1 trans-1,3-Dichloropropylene 18.4 5.0 ug/L 20.00 92 17-183 4 20
Trichloroethylene 18.9 1.0 ug/L 20.00 95 71-157 4 20
Trichlorofluoromethane 20.1 10 ug/L 20.00 101 17-181 4 20
Vinyl chloride 16.7 10 ug/L 20.00 83 10-251 7 20
Surrogate:4-Bromofluorobenzene 49.9 ug/L 50.00 100 74-126
Surrogate:Dibromofluoromethane 49.5 ug/L 50.00 99 75-127
Surrogate:Toluene-d8 47.8 ug/L 50.00 96 74-122
This report should not be reproduced,except in its entirety,without the written consent of Prism Laboratories,Inc.
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Level II QC Report
RISMFull-Service Analytical& 11/25/19
Environmental Solutions
i _____.',LABORATORIES.1NC,
ECS Carolinas, LLP(Charlotte) Project:Dimensional Place-Monthly Prism Work Order: 9110329
Attn:Chris Orrell Time Submitted: 11/19/2019 4:05:00PM
1812 Center Park Drive, Suite D
Charlotte, NC 28217
Total Metals-Quality Control
Reporting Spike Source °/REC RPD
Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes
Batch P9K0372-200.7
Blank(P9K0372-BLK1) Prepared&Analyzed:11/21/19
Calcium BRL 0.20 mg/L
Copper BRL 0.020 mg/L
Lead BRL 0.010 mg/L
Magnesium BRL 0.20 mg/L
Zinc BRL 0.050 mg/L
Blank(P9K0372-BLK2) Prepared&Analyzed: 11/21/19
Calcium BRL 0.20 mg/L
Copper BRL 0.020 mg/L
Lead BRL 0.010 mg/L
Magnesium BRL 0.20 mg/L
Zinc BRL 0.050 mg/L
LCS(P9K0372-BS1) Prepared&Analyzed:11/21/19
Calcium 49.8 0.20 mg/L 50.00 100 85-115
Copper 0.495 0.020 mg/L 0.5001 99 85-115
Lead 0.466 0.010 mg/L 0.5001 93 85-115
Magnesium 49.1 0.20 mg/L 50.00 98 85-115
Zinc 0.491 0.050 mg/L 0.5001 98 85-115
Matrix Spike(P9K0372-MS2) Source:9110329-02 Prepared&Analyzed:11/21/19
Calcium 82.3 0.20 mg/L 50.00 31.4 102 70-130
Copper 0.500 0.020 mg/L 0.5001 BRL 100 70-130
Lead 0.468 0.010 mg/L 0.5001 BRL 94 70-130
Magnesium 60.9 0.20 mg/L 50.00 12.1 98 70-130
Zinc 0.518 0.050 mg/L 0.5001 BRL 104 70-130
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 8 of 10

Level II QC Report
P R I S M Full-Service Analytical a 11/25/19
Environmental Solutions
`LANONATONIE6.ING
ECS Carolinas, LLP(Charlotte) Project: Dimensional Place-Monthly Prism Work Order: 9110329
Attn: Chris Orrell Time Submitted: 11/19/2019 4:05:00PM
1812 Center Park Drive,Suite D
Charlotte, NC 28217
General Chemistry Parameters-Quality Control
Reporting Spike Source %REC RPD
Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes
Batch P9K0385-NO PREP
Blank(P9K0385-BLK1) Prepared&Analyzed:11/21/19
Oil&Grease(SGT-HEM) BRL 5.0 mg/L OG
Batch P9K0391 -NO PREP
Blank(P9K0391-BLK1) Prepared&Analyzed: 11/21/19
Total Suspended Solids BRL 5.0 mg/L
LCS(P9K0391-BSI) Prepared&Analyzed:11/21/19
Total Suspended Solids 490 5.0 mg/L 477.0 103 90-110
Batch P9K0400-NO PREP
Blank(P9K0400-BLK1) Prepared&Analyzed: 11/20/19
Turbidity BRL 1.0 NTU
LCS(P9K0400-BSI) Prepared&Analyzed:11/20/19
Turbidity 21.0 1.0 NTU 19.10 110 90-110
Sample Extraction Data
Prep Method:200.7
Lab Number Batch Initial Final Date/Time
9110329-02 P9K0372 50 mL 50 mL 11/21/19 7:23
Prep Method:624
Lab Number Batch Initial Final Date/Time
9110329-01 P9K0375 10 mL 10 mL 11/20/19 8:16
9110329-02 P9K0375 10 mL 10 mL 11/20/19 8:16
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 9 of 10

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