HomeMy WebLinkAboutNCG030075_2020 DMR_20210114November 16, 2020
Mr. Jack Martindale
BorgWarner Turbo Systems
Post Office Box 15075
Asheville, North Carolina 28813
wood.
Wood Environment & Infrastructure Solutions, Inc.
1308-C Patton Avenue
Asheville, NC 28806
USA
Subject: Report of October 2020 Stormwater Discharge Sampling
BorgWarner Turbo Systems
Arden, North Carolina
Wood Project 6252-16-0240.06
Dear Mr. Martindale:
T: 828-252-8130
www.woodplc.com
Wood Environment & Infrastructure Solutions, Inc. (Wood) is pleased to submit this Report of October
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 —
the applicable benchmark value for total suspended solids is 100 mg/L. A rain gauge is present at the site
North Carolina Corporate Engineering License No. F-1253; Geology No. C-247
BorgWarner Turbo Systems — October 2020 Stormwater Discharge Sampling Report November 16, 2020
Wood Project 6252-16-0240.06
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 in early 2020. In addition to semi-annual stormwater sampling, Wood
conducted investigative sampling in relation to the exceedance of zinc at OF-3. The results of the
investigative sampling were included in a separate report. In summary, the old dock roof, new dock roof,
Coolant Room roof, and likely the Steam Room roof each appear to be a source of zinc in stormwater
ultimately detected at the downstream outfall OF-3 location. This report addresses the monthly sampling
component of the Tier Two response for outfall OF-3.
October 2020 Stormwater Sampling Activities
Wood personnel were onsite to perform stormwater sampling during a measureable storm event on
October 23, 2020. The storm event occurred between approximately 2:30 PM and 3:30 PM on October 23,
2020. Wood personnel performed stormwater sampling of the discharge starting at approximately 3:10
PM when constant measureable discharge was produced. Total rainfall for this event was 0.33 inches as
measured at the on -site rain gauge the same day after the samples were collected. Rainfall sufficient to
produce a measureable 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 stormwater discharge
outfall 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,
BorgWarner Turbo Systems — October 2020 Stormwater Discharge Sampling Report November 76, 2020
Wood Project 6252-16-0240.06
and other obvious indicators of stormwater pollution. The completed Stormwater Discharge Outfall
Qualitative Monitoring Report is attached to this report.
Field analysis of the stormwater samples indicated pH readings were within the NCDEQ benchmark range.
Laboratory analytical results indicated the concentration of zinc exceeded the NCDEQ benchmark value of
0.126 milligrams per liter (mg/L) in the sample collected from outfall OF-3 (0.490 mg/L). Additionally, the
concentration of copper detected in the sample collected from outfall OF-3 (0.0315 mg/L) exceeded 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 samples are reported on the
attached NCDEQ Semi -Annual Stormwater Discharge Monitoring Report. The laboratory analytical report
and chain of custody records are attached to this report.
Based on previous sampling results indicating that industrial processes are not a significant contributor to
the zinc and copper concentrations, NCDEQ had granted a regulatory relief exemption to the zinc and
copper benchmarks; however, the regulatory relief expired with the general permit in November 2018.
Although above the NCDEQ benchmark value, the zinc concentration detected at outfall OF-3 indicated in
this report is within the range of concentrations that have been previously detected and reported during
the period of regulatory relief. Based on the October 2020 sampling results, a continued Tier Two and a
Tier Three response is warranted at outfall OF-3. This sample represents the fourth copper concentration
detected at outfall OF-3 above the benchmark value during this permit period.
Wood recommends contacting the NCDEQ regional office contact, as per the Tier Three response
requirements in relation to the sixth consecutive detection of zinc and fourth detection of copper within
this permit period above the benchmark value at OF-3. The NCDEQ regional office contact may complete
the following in relation to the Tier Three response:
• Require that the permittee revise, increase, or decrease the monitoring and reporting frequency
for some or all of the parameters herein;
• Require sampling of additional or substitute parameters;
• Require the permittee to install structural stormwater control measures;
• Require the permittee to implement other best management practices;
• Require the permittee to perform upstream and downstream monitoring to characterize impacts
on receiving waters; or
BorgWarner Turbo Systems — October 2020 Stormwater Discharge Sampling Report
Wood Project 6252-16-0240.06
November 16, 2020
• Require the permittee implement site modifications to qualify for a No Exposure Exclusion;
• Require the permittee to continue Tier Three obligations through the permit renewal process.
Recommendations for potentially reducing the concentration of zinc detected in samples collected at
outfall OF-3 are included in the investigative report. The investigative sampling event also indicates that
the roofs are not contributing to the elevated copper concentrations occasionally detected at outfall OF-3.
The copper concentration detected in a surface runoff sample indicates the copper concentration is likely
a ground surface source.
Wood recommends submitting this documentation of stormwater sampling, along with the attached
Stormwater Discharge Outfall Monitoring Reports, to NCDEQ for their files.
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 (828) 252-8130.
Sincerely,
Wood Environment & Infrastructure Solutions, Inc.
Gregory L. Hutchins.
Technical Professional II
GLH/MEW:glh
Matthew E. Wallace, P.E.
Principal Engineer
Attachments: Figure 1: Site Drainage Plan
NCDEQ Stormwater Discharge Monitoring Report
Qualitative Monitoring Report
Laboratory Analytical Report and Chain -of -Custody
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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/0/3/0/0/0/0
Facility Name: BorgWarner Turbo Systems
or Certificate of Coverage No.: N/C/G/0/3/0/0/7/5
County: Buncombe Phone No. (828)252-8130
Inspector: Gregory Hutchins — Wood E&Is
Date of Inspection: 10/23/20
Time of Inspection: 15:09
Total Event Precipitation (inches): 0.33
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 sliipping 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 1 is clear
and 5 is very cloudy:
1 0 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids inthe
stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 2 0 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:
1 n 3 4 5
7. Is there any foam in the stormwater discharge? O Yes
8. Is there an oil sheen in the stormwater discharge? OYes
9. Is there evidence of erosion or deposition at the outfall? o
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
aceAnalytical ® ANALYTICAL REPORT
National Cenfer for Testing &Innovation November 04, 2020
I
Wood E&I Solutions Inc. - Asheville, NC
Sample Delivery Group: L1277813
Samples Received: 10/24/2020
Project Number: 6252-16-0240.03
Description: BorgWarner
Report To: Gregory Hutchins
1308-C Patton Avenue
Asheville, NC 28806
Entire Report Reviewed By:
4��--
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.
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Wood E&I Solutions Inc. - Asheville, NC 6252-16-0240.03 L1277813 11/04/20 10:01 1 of 11
TABLE OF CONTENTS ONE LAB. NATIONWIDE. 40
Cp: Cover Paige
Tc: Table of Contents
2
Ss: Sample Summary
3
Cn: Case Narrative
4
Sr: Sample Results
5
E
OF-3 L1277813-01
5
Qc: Quality Control Summary
6
Fn
Gravimetric Analysis by Method 2540 D-2011
6
Sr
Wet Chemistry by Method 1664B
7
Metals (ICPMS) by Method 6020B
8
RC
GI: Glossary of Terms
g
Al: Accreditations & Locations
10
F,
Sc: Sample Chain of Custody
11
F,
FC
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Wood E&I Solutions Inc. - Asheville, NC 6252-16-0240.03 L1277813 11/04/2010:01 2 of 11
SAMPLE SUMMARY ONE LAB. NATIONWIDE.
Collected by Collected date/time Received date/time
OF-3 L1277813-01 GW Gregory Hutchins 10/23/2015:10 10/24/2009:00 :CI'
Method
Gravimetric Analysis by Method 2540 D-2011
Wet Chemistry by Method 1664B
Metals (ICPMS) by Method 6020E
Metals (ICPMS) by Method 6020B
Batch
Dilution Preparation
date/time
WG1566642
1 10/28/20 01:09
WG1567762
1 10/29/20 08:00
WG1568783
1 10/31/20 20:32
WG1568783
5 10/31/20 20:32
Analysis
Analyst
Location
date/time
10/28/20 02:29
VRP
Mt. Juliet, TN
10/30/2012:00
MBP
Mt. Juliet, TN
11/02/20 01:33
LAT
Mt. Juliet, TN
11/02/2011:58
LAT
Mt. Juliet, TN
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Wood E&I Solutions Inc. - Asheville, NC 6252-16-0240.03 L1277813 11/04/20 10:01 3 of 11
CASE NARRATIVE ONE LAB. NATIONWIDE.
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
the report. Where applicable, all MDL (LOD) and RDL (LOQ) values reported for environmental samples
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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
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.
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Heather J Wagner
Project Manager
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Wood E&I Solutions Inc. - Asheville, NC 6252-16-0240.03 L1277813 11/04/2010:01 4 of 11
OF-3
ONE LAB. NATIONWIDE.
SAMPLE RESULTS - 01
Collected date/time: 10/23/20 15:10
L1277813
Gravimetric Analysis by Method 2540 D-2011
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Result Qualifier.
RDL
Dilution Analysis
Batch
!I' CP fl
Analyte ug/I
Suspended Solids 98000 J3
ug/I
10000
date / time
1 10/28/2020 02:29
WG1566642
T
Wet Chemistry by Method 1664B
Ss
Result Qualifier
RDL
Dilution Analysis
Batch
Analyte ug/I
ug/I
date / time
TPH - Oil & Grease ND
5320
1 10/30/202012:00
WG1567762
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Sample Narrative:
f
L1277813-01 WG1567762: Total Oil&Grease is non -detect. Extract was
not processed
through silica gel.
Metals
E
(ICPMS) by Method 602OB
Result Qualifier
RDL
Dilution Analysis
Batch
Analyte ug/I
ug/I
date / time
F
Copper 31.5
5.00
1 11/02/2020 01:33
WG1568783
JAI
Lead 7.40
5.00
1 11/02/2020 01:33
WG1568783
Zinc 490
125
5 11/02/202011:58
WG1568783
FSCI
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Wood E&I Solutions Inc. - Asheville, NC 6252-16-0240.03 L1277813 11/04/2010:01 5 of 11
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GLOSSARY OF TERMS
ONE LAB. NATIONWIDE. #
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,
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
MDL
Method Detection Limit.
ND
Not detected at the Reporting Limit (or MDL where applicable).
RDL
Reported Detection Limit.
Rec.
Recovery.
RPD
Relative Percent Difference.
SDG
Sample Delivery Group.
U
Not detected at the Reporting Limit (or MDL where applicable).
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
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.
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.
Original Sample
The non -spiked sample in the prep batch used to determine the Relative Percent Difference (RPD) from a quality control
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
(Radiochemistry)
Confidence level of 2 sigma.
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
J
The identification of the analyte is acceptable; the reported value is an estimate.
J3
The associated batch QC was outside the established quality control range for precision.
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Wood E&I Solutions Inc. - Asheville, NC 6252-16-0240.03 L1277813 11/04/2010:01 9 of11
ACCREDITATIONS &
LOCATIONS
ONE LAB. NATIONWIDE.
Pace National is the only environmental laboratory accreditedkertified to support your work nationwide from one location. One phone call, one point of contact, one laboratory. No other lab is as
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 ofthe network
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
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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.
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State Accreditations
Alabama
40650
Nebraska
NE-OS45-05
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Alaska
17-026
Nevada
TN-03-2002-34
Arizona
Arkansas
AZ0612
88-0469
New Hampshire
New Jersey—NELAP
2975
TNO02
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California
2932
New Mexico'
n/a
Colorado
Connecticut
TN00003
PH-0197
New York
North Carolina
11742
Env375
rsr
Florida
E87487
North Carolina'
DW21704
Georgia
NELAP
North Carolina
41
Georgia'
923
North Dakota
R-140
FQ
Idaho
TN00003
Ohio—VAP
CL0069
Illinois
Indiana
200008
C-TN-01
Oklahoma
Oregon
9915
TN200002
G i
Iowa
364
Pennsylvania
68-02979
Kansas
E-10277
Rhode Island
LA000356
Kentucky''
90010
South Carolina
84004
_
Kentucky'
16
South Dakota
n/a
Louisiana
Louisiana'
A130792
LA180010
Tennessee'"
Texas
2006
T104704245.18-15
FSC
Maine
TN0002
Texas'
LABO152
Maryland 324 Utah TN00003
Massachusetts M-TNO03 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
QLA— 150 17025 1461.01 AIHA-LAP,LLC EMLAP 100789
QLA — ISO 17025' 1461.02 DOD 1461.01
Canada 1461.01 USDA P330-15-00234
EPA—Crypto TN00003
' Drinking Water z Underground Storage Tanks 'Aquatic Toxicity `Chemical/Microbiological 'Mold 'Wastewater n/a Accreditation not applicable
Our Locations
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:
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