NCG030075_DMR_20200513

wood.
,,L.Lood Environment&Infrastructure Solutions,Inc.
1308-C Patton Avenue
JUN 1 1 2020
May 13, 2020 Asheville,NC 28806
CEN I rtf\L FILES USA
DWR SECTION T:828-252-8130
www.woodplc.com
Mr.Jack Martindale
BorgWarner Turbo Systems
Post Office Box 15075
Asheville, North Carolina 28813
Subject: Report of April 2020 Stormwater Discharge Sampling
BorgWarner Turbo Systems
Arden, North Carolina
Wood Project 6252-16-0240.06
Dear Mr. Martindale:
Wood Environment &Infrastructure Solutions, Inc. (Wood) is pleased to submit this Report of April 2020
Stormwater Discharge Sampling for the BorgWarner Turbo Systems facility located on Brevard Road in
Arden, North Carolina.This sampling was performed to comply with requirements contained in the
General Permit for Stormwater Discharge(Permit NCG030000 effective November 1, 2018 issued by the
North Carolina Department of Environmental Quality(NCDEQ). BorgWarner's certificate of coverage
under this permit is NCG030075.
Background Information
Seven stormwater outfalls are located at the site, as shown on the attached Figure 1.In 2015, NCDEQ
approved a request for representative outfall status, whereby outfalls OF-1 and OF-3 are the only outfalls
to be sampled.The outfalls discharge directly and indirectly into Clayton Creek prior to Clayton Creek's
confluence with the French Broad River. According to NCDEQ's water quality classification of the French
Broad River basin, Clayton Creek and the adjacent portion of the French Broad River are not currently
classified as the following sensitive receiving waters:Outstanding Resource Waters, High Quality Waters,
Primary Nursery Areas and Trout Waters.Therefore,the more protective benchmark value listed in the
General Permit for total suspended solids (50mg/L) does not apply to stormwater discharges at the site—
North Carolina Corporate Engineering License No.F-1253;Geology No.C-247 •

V
Borg Warner Turbo Systems—April 2020 Stormwater Discharge Sampling May 13,2020
Wood Project 6252-16-0240.06
the applicable benchmark value for total suspended solids is 100 mg/L.A rain gauge is present at the site
approximately six feet above ground in an open area at a distance of at least twice the height of
surrounding structures.
Because of consecutive detections of zinc above the NCDEQ benchmark value, a Tier Two response was
implemented at outfall OF-3.This report addresses the monthly sampling component of the Tier Two
response.
April 2020 Stormwater Sampling Activities
Wood personnel were onsite to perform monthly stormwater sampling at outfall OF-3 during a
measurable storm event on April 29, 2020.The storm event occurred between approximately 3:00 PM on
April 29, 2020 and 2:00 AM on April 30, 2020.Wood personnel performed stormwater sampling of the
discharge starting at approximately 4:00 PM when constant measurable discharge was produced.Total
precipitation for this event was 2.11 inches.Approximately 0.25 inches of precipitation was measured at
the on-site rain gauge prior to sample collection. Rainfall sufficient to produce a measurable discharge
was not recorded during the 72 hours prior to this measurable storm event.
Within about 30 minutes of constant measurable discharge, the pH of the stormwater was measured with
a calibrated pH meter, and a stormwater sample was collected from outfall OF-3.The sample was packed
in an ice-chilled cooler and delivered with chain-of-custody via overnight courier to Pace Analytical in Mt.
Juliet,Tennessee(a North Carolina-accredited laboratory) for analysis.The outfall sample was submitted
for analysis of total lead,total zinc, and total copper according to Standard Method 6020B,total
suspended solids (TSS) according to Standard Method 2540D, and non-polar oil and grease according to
EPA Method 1664B (SGT-HEM).
In addition to analytical monitoring,Wood performed qualitative monitoring at OF-3. The qualitative
monitoring included the observation of the following discharge characteristics:color, odor, clarity,floating
solids, suspended solids,foam, oil sheen, erosion or deposition, and other obvious indicators of
stormwater pollution.The completed Stormwater Discharge Outfall Qualitative Monitoring Report for
outfall OF-3 is attached to this report.
2

Borg Warner Turbo Systems—April 2020 Stormwater Discharge Sampling May 13,2020
Wood Project 6252-16-0240.06
Field analysis of the stormwater sample indicated the pH reading was within the NCDEQ benchmark
range. Laboratory analytical results indicated that zinc was detected at a concentration of 0.243 milligrams
per liter(mg/L), exceeding the NCDEQ benchmark value of 0.126 mg/L in the sample collected from
outfall OF-3. Additionally, copper was detected at concentration of 0.0125 mg/L, exceeding the NCDEQ
benchmark value of 0.010 mg/L. The remaining monitored parameters were below their respective
NCDEQ benchmark values.The analytical results for the outfall sample are reported on the attached
NCDEQ Semi-Annual Stormwater Discharge Monitoring Report.The laboratory analytical report and chain
of custody record are attached to this report.
This result represents the fifth consecutive zinc concentration detected above the benchmark value at OF-
3.A Tier Three response was triggered in relation to zinc concentrations during the March 31, 2020
sampling event.Wood recommends continuing the required actions for the Tier Three response in
relation to the elevated zinc concentrations, as well as following the list of requirements for a Tier One
response at the facility in relation to the detection of copper above the benchmark value at OF-3:
1. Conduct a stormwater management inspection of the facility within two weeks of receiving
sampling results.
2. Identify and evaluate possible causes of the benchmark value exceedance.
3. Identify potential, and select the specific feasible: source controls, operational controls, or
physical improvements to reduce concentrations of the parameters of concern, and/or to bring
concentrations within the benchmark range.
4. Implement the selected feasible actions within two months of the inspection.
Wood recommends submitting this documentation of stormwater sampling, along with the attached
Stormwater Discharge Outfall Monitoring Report,to NCDEQ for their files.
3

Borg Warner Turbo Systems—April 2020 Stormwater Discharge Sampling May 13,2020
Wood Project 6252-16-0240.06
We appreciate the opportunity to provide water resource services on this project.If you should have any
questions, or need additional information, please do not hesitate to contact us at [phone].
Sincerely,
Wood Environment&Infrastructure Solutions,Inc.
INrk 4. wa,faw---
Gregory L. Hutchins. Matthew E.Wallace, P.E.
Technical Professional II Principal Engineer
GLH/MEW:glh
attachments: Figure 1: Site Drainage Plan
NCDEQ Semi-Annual Stormwater Discharge Monitoring Report
Qualitative Monitoring Report
Laboratory Analytical Report and Chain-of-Custody
4

Total Area Impervious Impervious
Area(Acres) Percentage T N
Outfall Latitude Longitude (Acres) oc.K �.1 -
AY/Si..
1 35.47907 -82.57300 7.8 4.2 53
2 35.47798 -82.57338 2.1 0.5 23 ' ',ti .a 2180 /��
3 35 47742 -82.57426 7.9 5.2 66 + ( `�( r
�"-;_ - zno 7.....--...,*,,,
I I
4 35 47639 -82.57431 2.8 0.7 24 �, i
6 a k.' �_ zro JJJ
./)./)
5 35.47563 -82.57468 2.4 1.1 44 f
6 35.47519 -82.57519 3.8 1.9 51 •. r /
t/ OF-1
7 35.47545 -82.57653 12 3 25 I f ; t' °o, e
Aft -..' _ �' f �' Warehouse ♦
'::., TA::h.brn'itala: sf.::, i:/
i) it. .,,,,, '': ,s V.:';;4' ,. ...„....,..y..... j 1". <.. ‘
t ovt, ;1, .. . ,,,.
r� , � t r r r `iezI x izo "
t
Main,
2o _ 1: .®i /` OF-3 7:----1' (:)1.F-2°. r
''''' 14i:4'Stilf.: :'',.
1, ' , /- Ir. , \iiii"./7-----,.,,‘ ,r. ;v.-- ,
• , � d . ,,... 4 �
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I • ry
Legend r, OF-4 1,` /
Catch Basin Drainage Area#1 2180 { " '' ;Z,' r , j tf '1 , ,.
OutFall Drainage Area#2 r �, j. ,r`� y..OF-5
Drainage Area#3 d r J r ,,,
g Estimated Flow Direction g ew�► . r 7 �.—. �.
Drainage Area#4 = ' ' ! �'
Stormwater Conduit
Drainage Area#5 a�� + , ' p , (� OF-7 / ' r:l I •.,
Clayton Creek g g a / f,I,, ,-L.. , .
z,ao Drainage Area#6 1.Roof drainage reportedly discharges through Outfall 3. `- _ ---./ 4 I - 'i`v
Sub-Catchment 2.OF-5 is identified as OF-5A prior to 2008 .. aed
Drainage Area#7 3.OF-7 identified as OF-5 prior to 2008 iFr
.Site drains to Clayton Creek(Class C Waterway) ' OF-6 ° no noo eoo
10'Surface Contour 4 Feet
Wood Environment& TITLE: CLIENT: Figure
Site Drainage Plan
Infrastructure Solutions, Inc. BorgWarner Turbo Systems
1308 Patton Ave Suite C SITE: BorgWarner Turbo Systems DATE: 11/6/2018 SCALE: r2 400 I PROJ.: 6252-13-0059 1
Asheville, NC,28806 r 1849 Brevard Road woodDR: GLH CHK: ME W
[phone] Arden,NC LOCATION: P...
1

Stormwater Discharge Monitoring Report
for North Carolina Division of Energy, Mineral and Land Resources General Permit No. NCG030000
Date submitted May 13,2020
CERTIFICATE OF COVERAGE NO. NCGO3 0 0 7 5 SAMPLE COLLECTION YEAR 2020
FACILITY NAME BorgWarner Turbo Systems SAMPLE PERIOD ❑Jan-June ❑July-Dec
COUNTY Buncombe or ❑ Monthly1 April (month)
PERSON COLLECTING SAMPLES Gregory Hutchins,Wood E&IS DISCHARGING TO CLASS ORW HQW I (Trout I IPNA
LABORATORY Pace Analytical Lab Cert.# ENV 375 I jZero-flow Water Supply ISA
Comments on sample collection or analysis:
I�IOther Class C(Clayton Creek)
PLEASE REMEMBER TO SIGN ON PAGES 2 AND/OR 3 -3
Part A: Stormwater Benchmarks and Monitoring Results
No discharge this period?'
Date Sample 24-hour rainfall Non Polar O&G/
Outfall No. p1 Total Suspended Solids pH' Total Copper Total Lead Total Zinc Total Petroleum Total Toxic
Collected amount, Standard units Organics'
(mo/dd/yr) Inches3 Hydrocarbons
Benchmarks _ - 100 mg/L or 50 mg/L4 6.0—9.0 0.010 mg/L 0.075 mg/L 0.126 mg/L 15 mg/L 1 mg/L
Parameter Code - 46529 C0530 00400 01119 01051 01094 00552 78141
OF-3 4/29/20 2.11 97.000 6.85 0.0125 0.00257 0.243 <5.000 NA
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
'The total precipitation must be recorded using data from an on-site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit, Section B, Table 1 to identify the especially sensitive receiving water classifications where the more protective benchmark applies.
'Total Toxic Organics sampling is applicable only for those facilities which perform metal finishing operations, manufacture semiconductors, manufacture
electronic crystals, or manufacture cathode ray tubes. For purposes of this permit the definition of Total Toxic Organics is that definition contained in the EPA
Effluent Guidelines for the facility subject to the requirement to sample (for metal finishing use the definition as found in 40 CFR 433.11;for semiconductor
manufacture use the definition as found in 40 CFR 469.12;for electronic crystal manufacture use the definition as found in 40 CFR 469.22; and for cathode ray
tube manufacture use the definition found in 40 CFR 469.31).
Permit Date: 11/1/2018-05/31/2021 SWU-245, last revised 11/1/2018
Page 1 of 3

Facilities that incorporate a solvent management plan into the Stormwater Pollution Prevention Plan may so certify, and the requirement for TTO monitoring
may be waived. The solvent management plan shall include a list of the total toxic organic compounds used and the other elements listed in the General
Permit. For those facilities electing to employ the TTO monitoring waiver,the discharger shall sign the following certification statement:
"Based upon my inquiry of the person or persons directly responsible for managing compliance with the permit monitoring requirement for total toxic organics
(TTO), I certify that to the best of my knowledge and belief, no dumping of concentrated toxic organics into the stormwater or areas which are exposed to rainfall or
stormwater runoff has occurred since filing the last discharge monitoring report. I further certify that this facility is implementing the all the provisions of the
solvent management plan included in the Stormwater Pollution Prevention Plan."
Name(Print name)
Title (Print title)
Signature Date
Note: Results must be reported in numerical format. Do not report Below Detection Limit, BDL, <PQL, Non-detect, ND, or other similar non-numerical
format. When results are below the applicable limits,they must be reported in the format, "<XX mg/L",where XX is the numerical value of the detection
limit, reporting limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
No discharge this period?2
OutfaII No. Date Sample Collected' 24-hour rainfall amount, New Motor Oil or Non-Polar O&G/Total Total Suspended
(mo/dd/yr) Inches3 Hydraulic Oil Usage Petroleum Hydrocarbons Solids
Benchmarks - - - 15 mg/L 100 mg/L or 50 mg/L4
Parameter Code - 46529 NCOIL 00552 C0530
•
•
Footnotes from Part A also apply to Part B
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit text.
Permit Date: 11/1/2018-05/31/2021 SWU-245, last revised 11/1/2018
Page 2 of 3

FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES Q NO❑
IF YES,HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE? YES❑ NO Q
REGIONAL OFFICE CONTACT NAME: Asheville Regional Office/Isaiah Reed
Mail an original copy of this DMR, including all"No Discharge"reports, within 30 days of receipt of the lab results(or at end of monitoring period in the
case of"No Discharge"reports)to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh,North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"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."
Cr/ 70?C)
Signature of Permittee Date
Permit Date: 11/1/2018-05/31/2021 SWU-245,last revised 11/1/2018
Page 3 of 3

lik
Environmental
Quality
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form,please visit https://deq.nc.gov/about/divisions/energy-mineral-land-
resources/npdes-stormwater-gps
Permit No.: N/C/G/O/3/0/0/0/0 or Certificate of Coverage No.: N/C/G/0/3/0/0/7/5
Facility Name: BorgWarner Turbo Systems
County:Buncombe Phone No. [phone]
Inspector: Gregory Hutchins—Wood E&IS
Date of Inspection: 04/29/2020
Time of Inspection: 16:15
Total Event Precipitation(inches): 2.13(0.25 observed at time of sample collection)
All permits require qualitative monitoring to be performed during a"measurable storm event."
A"measurable storm event"is a storm event that results in an actual discharge from the permitted site
outfall.The previous measurable storm event must have been at least 72 hours prior.The 72-hour storm
interval does not apply if the permittee is able to document that a shorter interval is representative for
local storm events during the sampling period,and the permittee obtains approval from the local DEMLR
Regional Office.
By this signature,I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or Designee)
1. Outfall Description:
Outfall No. OF-3 Structure(pipe, ditch,etc.): Pipe
Receiving Stream:
Clayton Creek
Describe the industrial activities that occur within the outfall drainage area:
Manufacturing of turbo parts, assembly of turbos, and shipping and receiving of materials.
Page 1 of 2
SWU-242,Last modified 06/01/2018

2. Color: Describe the color of the discharge using basic colors(red,brown,blue,etc.)and tint
(light,medium,dark)as descriptors:
Clear
3. Odor: Describe any distinct odors that the discharge may have(i.e.,smells strongly of oil,weak
chlorine odor,etc.):
None
4. Clarity: Choose the number which best describes the clarity of the discharge, where I is clear
and 5 is very cloudy:
2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in the
stormwater discharge,where 1 is no solids and 5 is the surface covered with floating solids:
410 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended solids in
the stormwater discharge,where 1 is no solids and 5 is extremely muddy:
O 2 3 4 5
7. Is there any foam in the stormwater discharge? Q Yes No. Light foam observed on rip rap
8. Is there an oil sheen in the stormwater discharge? QYes 0 No.
9. Is there evidence of erosion or deposition at the outfall? to Yes No.
10. Other Obvious Indicators of Stormwater Pollution:
List and describe
Note: Low clarity,high solids,and/or the presence of foam,oil sheen,or erosion/deposition may be
indicative of pollutant exposure.These conditions warrant further investigation.
Page 2 of 2
SWU-242,Last modified 06/01/2018

/11%eAnalyticale A \ ALYTICAL REPORT 10
National Center for Testing&Innovator May 06, 2020
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Wood E&I Solutions Inc. - Asheville, NC
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Sample Delivery Group: L1213856 Cn
Samples Received: 04/30/2020
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Project Number: 6252160240
Description: BorgWarner Qc
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Report To: Greg Hutchins
1308-C Patton Avenue j AlC
Asheville, NC 28806
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Entire Report Reviewed By:
s Heather J Wagner
Project Manager
Results relate only to the items tested or calibrated and are reported as rounded values.This test report shall not be
reproduced,except in full,without written approval of the laboratory.Where applicable,sampling conducted by Pace
Analytical National is performed per guidance provided in laboratory standard operating procedures ENV-SOP-MTJL-0067 and
ENV-SOP-MTJL-0068.Where sampling conducted by the customer,results relate to the accuracy of the information provided,
and as the samples are received. if ... . -,
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ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
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TABLE OF CONTENTS ONE LAB.NATIONWIDE .40
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Tc:Table of Contents 2
Ss:Sample Summary 3 2Tc
Cn:Case Narrative 4
Sr:Sample Results 5 Ss
OF-3 L1213856-01 5 4
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OF-3B L1213856-02 6
Qc:Quality Control Summary 7 Sr
Gravimetric Analysis by Method 2540 D-2011 7
Wet Chemistry by Method 1664B 8 Qc
Metals(ICPMS)by Method 200.8 9 ,
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GI:Glossary of Terms 10
Al:Accreditations& Locations 11 Al
Sc:Sample Chain of Custody 12
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SAMPLE SUMMARY ONE LAB.NATIONWIDE. Ilk
Collected by Collected date/time Received date/time
OF-3 L1213856-01 WW Rodney Clark 04/29/2016:15 04/30/20 08:30
Method Batch Dilution Preparation Analysis Analyst Location
date/time date/time 2
TC
Gravimetric Analysis by Method 2540 D-2011 WG1469855 1 05/03/20 10:47 05/03/20 11:51 TH Mt.Juliet,TN
Wet Chemistry by Method 1664B WG1470506 1 05/05/20 06:27 05/05/2011:05 DLH Mt.Juliet,TN
Metals(ICPMS)by Method 200.8 WG1469069 1 05/01/20 15:36 05/02/2012:20 JPD Mt.Juliet,TN Ss
Metals(ICPMS)by Method 200.8 WG1469069 5 05/01/20 15:36 05/02/2012:41 JPD Mt.Juliet,TN
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Collected by Collected date/time Received date/time
OF-3B L1213856-02 WW Rodney Clark 04/29/2016:10 04/30/20 08:30
Sr
Method Batch Dilution Preparation Analysis Analyst Location
date/time date/time 6
Qc
Metals(ICPMS)by Method 200.8 WG1469069 1 05/01/20 15:36 05/02/2012:24 JPD Mt.Juliet,TN
Metals(ICPMS)by Method 200.8 WG1469069 10 05/01/20 15:36 05/02/2012:45 JPD Mt.Juliet,TN
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CASE NARRATIVE ONE LAB.NATIONWIDE. JO
Cp
All sample aliquots were received at the correct temperature, in the proper containers,with the
appropriate preservatives,and within method specified holding times, unless qualified or notated within 2
the report. Where applicable, all MDL(LOD)and RDL(LOQ)values reported for environmental samples Tc
have been corrected for the dilution factor used in the analysis. All Method and Batch Quality Control
are within established criteria except where addressed in this case narrative, a non-conformance form 3
or properly qualified within the sample results. By my digital signature below, I affirm to the best of my Ss
knowledge,all problems/anomalies observed by the laboratory as having the potential to affect the
quality of the data have been identified by the laboratory,and no information or data have been
knowingly withheld that would affect the quality of the data. Cn
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6
QC
Heather J Wagner Al
Project Manager
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OF-3 SAMPLE RESULTS - 01 ONE LAB.NATIONWIDE. 4.
Collected date/time: 04/29/20 16:15 L1213856
Gravimetric Analysis by Method 2540 D-2011
Result Qualifier RDL Dilution Analysis Batch Cp
Analyte ugh ug/I date/time
Suspended Solids 97000 25000 1 05/03/202011:51 WG1469855 Tc
Wet Chemistry by Method 1664B 3Ss
Result Qualifier RDL Dilution Analysis Batch
Analyte ugh ug/I date/time 4
Cn
Oil&Grease(Hexane Extr) ND 5000 1 05/05/202011:05 WG1470506
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Metals (ICPMS) by Method 200.8 Sr
Result Qualifier RDL Dilution Analysis Batch
Analyte ug/I ug/I date/time QC
Copper 12.5 1.00 1 05/02/2020 12:20 WG1469069
Lead 2.57 2.00 1 05/02/202012:20 WG1469069 7GI
Zinc 243 100 5 05/02/2020 12:41 WG1469069
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OF-3B SAMPLE RESULTS - 02 ONE LAB.NATIONWIDE. lel
Collected date/time: 04/29/20 16:10 L1213856
Metals (ICPMS) by Method 200.8
Result Qualifier RDL Dilution Analysis Batch
Analyte ug/I ug/I date/time
Copper 4.38 1.00 1 05/02/2020 12:24 WG1469069 Tc
Zinc 1180 200 10 05/02/2020 12:45 WG1469069 --
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WG1469855 QUALITY CONTROL SUMMARY ONE LAB.NATIONWIDE.
Gravimetric Analysis by Method 2540 D-2011 L1213856-01
Method Blank (MB)
I
(MB)R3524275-1 05/03/20 11:51
MB Result MB Qualifier MB MDL MB RDL
Analyte ug/I ugh! ugh'
Suspended Solids U 350 2500
3
Ss
L1213945-02 Original Sample (OS) • Duplicate(DUP)
4
(OS)L1213945-02 05/03/20 11:51•(DUP)R3524275-3 05/03/20 11:51 Cn
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD
Limits
Analyte ug/I ug/I % %
Suspended Solids 42000 32000 1 27.0 P1 5 y
Qc
L1213947-01 Original Sample (OS) • Duplicate (DUP) GI
(OS)L1213947-01 05/03/2011:51•(DUP)R3524275-4 05/03/20 11:51
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD 1
Limits �___ _
Analyte ug/I ugh' % %
Suspended Solids 25300 26700 1 5.15 pi 5
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Laboratory Control Sample (LCS)
(LCS)R3524275-2 05/03/20 11:51
Spike Amount LCS Result LCS Rec. Rec.Limits LCS Qualifier
Analyte ug/I ugh % %
Suspended Solids 773000 764000 98.8 85.0-115
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WG1470506 QUALITY CONTROL SUMMARY ONE LAB NATIONWIDE. al
Wet Chemistry by Method 1664B L1213856-01
Method Blank (MB)
(MB)R3524749-1 05/05/20 09:13 I Cp
MB Result MB Qualifier MB MDL MB RDL
Analyte ug/I ug/I ug/1 Tc
Oil&Grease(Hexane Extr) U 1160 5000 —---- �_
Ss
Laboratory Control Sample (LCS) • Laboratory Control Sample Duplicate(LCSD) 4
(LCS)R3524749-2 05/05/20 09:13•(LCSD)R3524749-3 05/05/20 09:13 Cn
Spike Amount LCS Result LCSD Result LCS Rec. LCSD Rec. Rec.Limits LCS Qualifier LCSD Qualifier RPD RPD Limits
Analyte ug/l ugh ug/l % % % % % S r
Oil&Grease(Hexane Extr) 40000 33300 33300 83.3 83.3 78.0-114 0.000 20
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ONE LAB NATIONWIDE. i
WG1469069 QUALITY CONTROL SUMMARY �
Metals (ICPMS) by Method 200.8 L1213856-01,02
Method Blank(MB)
(MB)R3524022-1 05/02/20 10:46 I C r
MB Result MB Qualifier MB MDL MB RDL
Analyte ug/I ugh' ug/I Tc
Copper U 0.670 1.00
Lead U 0.513 2.00 s
Ss
Zinc U 7.96 20.0
4
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Laboratory Control Sample(LCS)
(LCS)R3524022-2 05/02/2010:50
Sr
Spike Amount LCS Result LCS Rec. Rec.Limits LCS Qualifier
Analyte ug/I ug/I % % 6
Copper 50.0 48.2 96.3 85.0-115 QC
Lead 50.0 50.9 102 85.0-115
Zinc 50.0 51.4 103 85.0-115 GI
L1213515-01 Original Sample (OS) • Matrix Spike(MS) • Matrix Spike Duplicate (MSD) Al
II
(OS)L1213515-01 05/02/20 10:53•(MS)R3524022-4 05/02/20 11:00•(MSD)R3524022-5 05/02/20 11:03
Spike Amount Original Result MS Result MSD Result MS Rec. MSD Rec. Dilution Rec.Limits MS Qualifier MSD Qualifier RPD RPD Limits S C
Analyte ug/I ug/I ug/I ug/I % % % % %
Copper 50.0 1.69 52.4 50.8 101 98.1 1 70.0-130 3.12 20
Lead 50.0 ND 52.1 51.9 104 104 1 70.0-130 0.337 20
Zinc 50.0 ND 55.4 52.5 111 105 1 70.0-130 5.37 20
I 1-'1'f`'"-01 Original Sample (OS) • Matrix Sn k= (iv,Mc`, . ' ,t i- c'nil« Duplicate(MSD)
(OS)L1213628-01 05/02/20 11:07•(MS)R3524022-6 05/02/20 11:10•(MSD)R3524022-7 05/02/2011:14
Spike Amount Original Result MS Result MSD Result MS Rec. MSD Rec. Dilution Rec.Limits MS Qualifier MSD Qualifier RPD RPD Limits
Analyte ug/I ug/I ug/I ugh' % % % % %
Copper 50.0 5.43 51.4 52.5 92.0 94.2 1 70.0-130 2.11 20
Lead 50.0 ND 53.4 53.8 107 108 1 70.0-130 0.822 20
Zinc 50.0 25.3 74.5 76.3 98.3 102 1 70.0-130 2.32 20
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Wood E&I Solutions Inc.-Asheville,NC 6252160240 L1213856 05/06/20 16:31 9 of 13

GLOSSARY OF TERMS ONE LAB.NATIONWIDE. JO
Guide to Reading and Understanding Your Laboratory Report -,
The information below is designed to better explain the various terms used in your report of analytical results from the Laboratory. This is not
intended as a comprehensive explanation,and if you have additional questions please contact your project representative.
Results Disclaimer-Information that may be provided by the customer,and contained within this report,include Permit Limits,Project Name, Tc
Sample ID,Sample Matrix,Sample Preservation,Field Blanks,Field Spikes,Field Duplicates,On-Site Data,Sampling Collection Dates/Times,and
Sampling Location.Results relate to the accuracy of this information provided,and as the samples are received.
Abbreviations and Definitions Ss
MDL Method Detection Limit.
a
ND Not detected at the Reporting Limit(or MDL where applicable). Cn
RDL Reported Detection Limit.
Rec. Recovery.
RPD Relative Percent Difference. S
SDG Sample Delivery Group.
U Not detected at the Reporting Limit(or MDL where applicable). QC
Analyte The name of the particular compound or analysis performed.Some Analyses and Methods will have multiple analytes
reported.
If the sample matrix contains an interfering material,the sample preparation volume or weight values differ from the GI
Dilution standard,or if concentrations of analytes in the sample are higher than the highest limit of concentration that the
laboratory can accurately report,the sample may be diluted for analysis.If a value different than 1 is used in this field,the
result reported has already been corrected for this factor. Al
These are the target%recovery ranges or%difference value that the laboratory has historically determined as normal
Limits for the method and analyte being reported.Successful QC Sample analysis will target all analytes recovered or
duplicated within these ranges. s
The non-spiked sample in the prep batch used to determine the Relative Percent Difference(RPD)from a quality control SC
Original Sample sample.The Original Sample may not be included within the reported SDG.
This column provides a letter and/or number designation that corresponds to additional information concerning the result
Qualifier reported.If a Qualifier is present,a definition per Qualifier is provided within the Glossary and Definitions page and
potentially a discussion of possible implications of the Qualifier in the Case Narrative if applicable.
The actual analytical final result(corrected for any sample specific characteristics)reported for your sample.If there was
no measurable result returned for a specific analyte,the result in this column may state"ND"(Not Detected)or"BDL"
Result (Below Detectable Levels).The information in the results column should always be accompanied by either an MDL
(Method Detection Limit)or RDL(Reporting Detection Limit)that defines the lowest value that the laboratory could detect
or report for this analyte.
Uncertainty Confidence level of 2 sigma.
(Radiochemistry)
A brief discussion about the included sample results,including a discussion of any non-conformances to protocol
Case Narrative(Cn) observed either at sample receipt by the laboratory from the field or during the analytical process.If present,there will
be a section in the Case Narrative to discuss the meaning of any data qualifiers used in the report.
Quality Control This section of the report includes the results of the laboratory quality control analyses required by procedure or
Summary(Qc) analytical methods to assist in evaluating the validity of the results reported for your samples.These analyses are not
being performed on your samples typically,but on laboratory generated material.
This is the document created in the field when your samples were initially collected.This is used to verify the time and
Sample Chain of date of collection,the person collecting the samples,and the analyses that the laboratory is requested to perform.This
Custody(Sc) chain of custody also documents all persons(excluding commercial shippers)that have had control or possession of the
samples from the time of collection until delivery to the laboratory for analysis.
This section of your report will provide the results of all testing performed on your samples.These results are provided
Sample Results(Sr) by sample ID and are separated by the analyses performed on each sample.The header line of each analysis section for
each sample will provide the name and method number for the analysis reported.
Sample Summary(Ss) This section of the Analytical Report defines the specific analyses performed for each sample ID,including the dates and
times of preparation and/or analysis.
Qualifier Description
P1 RPD value not applicable for sample concentrations less than 5 times the reporting limit.
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Wood E&I Solutions Inc.-Asheville,NC 6252160240 L1213856 05/06/2016:31 10 of 13

ACCREDITATIONS & LOCATIONS ONE LAB.NATIONWIDE. AO
Pace National is the only environmental laboratory accredited/certified to support your work nationwide from one location.One phone call,one point of contact,one laboratory.No other lab is as r
accessible or prepared to handle your needs throughout the country.Our capacity and capability from our single location laboratory is comparable to the collective totals of the network I
laboratories in our industry.The most significant benefit to our one location design is the design of our laboratory campus.The model is conducive to accelerated productivity,decreasing
turn-around time,and preventing cross contamination,thus protecting sample integrity.Our focus on premium quality and prompt service allows us to be YOUR LAB OF CHOICE.
'Not all certifications held by the laboratory are applicable to the results reported in the attached report.
'Accreditation is only applicable to the test methods specified on each scope of accreditation held by Pace National.
LIC
State Accreditations —__
Alabama 40660 Nebraska NE-OS-15-05 Ss
Alaska 17-026 Nevada TN-03-2002-34
Arizona AZ0612 New Hampshire 2975
4
Arkansas 88-0469 New Jersey—NELAP TN002 C n
California 2932 New Mexico' n/a
Colorado TN00003 New York 11742
s
Connecticut PH-0197 North Carolina Env375 Sr
Florida E87487 North Carolina' DW21704
Georgia NELAP North Carolina' 41
6
Georgia' 923 North Dakota R-140 CSC
Idaho TN00003 Ohio—VAP CL0069
Illinois 200008 Oklahoma 9915
Indiana C-TN-01 Oregon TN200002 GI
Iowa 364 Pennsylvania 68-02979
Kansas E-10277 Rhode Island LA000356
Kentucky'5 90010 South Carolina 84004 8A1
Kentucky' 16 South Dakota n/a
Louisiana A130792 Tennessee'° 2006
Louisiana' LA180010 Texas T104704245-18-15 Sc
Maine TN0002 Texas LAB0152
Maryland 324 Utah TN00003
Massachusetts M-TN003 Vermont VT2006
Michigan 9958 Virginia 460132
Minnesota 047-999-395 Washington C847
Mississippi TN00003 West Virginia 233
Missouri 340 Wisconsin 9980939910
Montana CERT0086 Wyoming A2LA
Third Party Federal Accreditations
A2LA—ISO 17025 1461.01 AIHA-LAP,LLC EMLAP 100789
A2LA—ISO 17025 5 1461.02 DOD 1461.01
Canada 1461.01 USDA P330-15-00234
EPA—Crypto TN00003
'Drinking Water 2 Underground Storage Tanks 'Aquatic Toxicity 'ChemicaVMicrobiological 5 Mold 5 Wastewater n/a Accreditation not applicable
Pace National has sixty-four client support centers that provide sample pickup and/or the delivery of sampling supplies.If you would like assistance from one of our support offices,please contact
our main office.Pace National performs all testing at our central laboratory.
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ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Wood E&I Solutions Inc.-Asheville,NC 6252160240 L1213856 05/06/2016:31 11 of 13

CHAIN-OF-CUSTODY/Analytical Request Document
ace Analytical The Lham Lcstoay,s a LLGAL DOCUMEN i Al re cant hers m.v;e,cmulel:a >,-,.rau-.
mressrele to corn
Section A Section B Section C Pd'I`
Required Cbent Inf.rnatton Required Project IMormat on T Invoee.Mormabon
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Regtarod CM.Inrw mrnako, MUS crtn[ i 3 COLLECTED
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DATE TIME DATE a . S i IS S 2 2 2 6 y V t' - - ¢ Pace Project No.!Lab I.D.
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ADDITIONAL COMMENTS RELINQUISHED BY I AF TION DATE TIME ACCEPTE,BY/AFFILIATION DATE TIME SAMPLE CONDITIONS
s J 1 J7 SAMPLER NAME AND SIGNATURE _ q
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PRINT Name of SAMPL //// /> { /'I °F
SIGNATURE of aAtMLEII � DATE Slew /// /-s/7 E
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Pace Analytical National Center for Testing & Innovation
Cooler Receipt Form
Client: I, I3 -
Cooler Received/Opened On: 4 /.w / 20 Temperature:
Received Bt. i i
ul Mch
Si•nature: % r�
(„A-611--7
Receipt Check List NP Yes No
COC Seal Present/ Intact? /
v
COC Signed/Accurate?
Bottles arrive intact?
Correct bottles used?
Sufficient volume sent?
If Applicable
VOA Zero headspace?
Preservation Correct/Checked?
a'