NC0002305_More Information (Received)_20231116

XX ) RECEIVED
NOV 16 2023
November 13, 2023
Via email NCDEQ/DWR/NPDES
Fenton Brown Jr.
Water Resources and Permits Division
North Carolina Department of Environmental Quality
1617 Mail Service Center
Raleigh, NC 27699-1617
Subject: Modification to Permit No. NC0002305
Lear Corporation
Kenansville, North Carolina
Per our discussions on both October 20 and 23, 2023, WSP USA Environment& Infrastructure, Inc.
(WSP) has revised Form 2C of the Lear Corporation (Lear) NPDES Industrial Wastewater Permit Renewal
Application for their site•in Kenansville, North Carolina. Lear has reviewed the revised form and has the
following responses to NCDEQ requests discussed during the referenced discussions:
1. NCDEQ Request#1—Update Form 2C, page 3 with the correct daily production.
Response: The production numbers in pounds per day(ppd) were updated and page 3 is included
as Attachment 1. The technical supporting documentation was emailed to the NCDEQ along with
this electronic submittal.
2. NCDEQ Request#2—Add PFAS Questionnaire and Updated Water Balance to Section 11 of
Form 2C page 6.
Response:Added PFAS Questionnaire and Updated Water Balance as listed items in Section 11 of
Form 2C on page 6, as shown in Attachment 2. These items were submitted to NCDEQ from Lear
via email.
3. NCDEQ Request#3—Add Number of Analyses to Table A on page 9.
Response: The Number of Analyses were not updated in Table A on page 9, as the records for the
submitted information could not be located due to a change in personnel.
4. NCDEQ Request#4—Fix check boxes in last row of Table B on pages 11, 12, 13, and 14.
Response: Check boxes have been updated in the last rows of Table B on pages 11, 12, 13, and
14, as shown in Attachment 3.
Please contact me if you have any further comments or questions.
Correspondence:
WSP USA,Inc.
4021 Stirrup Creek Drive,Suite 100
Durham,North Carolina 27703

NN S► I )
Sincerely,
6iitA r^ COOPAy
Gianna Cooley, PE
Senior Environmental Engineer
WSP USA Environment& Infrastructure Inc.
[e-mail]
281-846-5751
Correspondence:
WSP USA,Inc.
4021 Stirrup Creek Drive,Suite 100
Durham,North Carolina 27703

NNE I )
ATTACHMENT 1: Update to Page 3 of Form 2C
Correspondence:
WSP USA,Inc.
4021 Stirrup Creek Drive,Suite 100
Durham,North Carolina 27703

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCD058520016 NC0002305 Lear Corporation OMB No.2040-0004
SECTION 4.INTERMITTENT FLOWS(40 CFR 122.21(g)(4))
4.1 Except for storm runoff,leaks,or spills,are any discharges described in Sections 1 and 3 intermittent or seasonal?
❑ Yes ❑� No 4 SKIP to Section 5.
4.2 Provide information on intermittent or seasonal flows for each applicable outfall.Attach additional pages, if necessary.
Outfall Operation Frequency Flow Rate
Number (list) Average Average Long-Term Maximum Duration
Days/Week Months/Year Average Daily
days/week months/year mgd mgd days
o days/week months/year mgd mgd days
ET_
c days/week months/year mgd mgd days
N
days/week months/year mgd mgd days
o
days/week months/year mgd mgd days
days/week months/year mgd mgd days
days/week months/year mgd mgd days
days/week months/year mgd mgd days
days/week months/year mgd mgd days
SECTION 5.PRODUCTION f40 CFR 122.21(g)(5))
5.1 Do any effluent limitation guidelines(ELGs)promulgated by EPA under Section 304 of the CWA apply to your facility?
❑� Yes ❑ No 4 SKIP to Section 6.
w 5.2 Provide the following information on applicable ELGs.
o
ELG Category ELG Subcategory Regulatory Citation
w
n Textile Mills Knit Fabric Finishing 40 CFR 410,Subpart E
m
o
a
5.3 Are any of the applicable ELGs expressed in terms of production(or other measure of operation)?
c ❑ Yes ❑ No 4 SKIP to Section 6.
0
:s 5.4 Provide an actual measure of daily production expressed in terms and units of applicable ELGs.
J O Unit of
Operation, Product,or Material Quantity per Day
-a Number Measure
d
co 001 Finishing of knit fabrics thru"complex manufacturing operations" 92,300 Pounds
0
•U
0
d
EPA Form 3510-2C(Revised 3-19) Page 3

XX I )
ATTACHMENT 2: Added PFAS Questionnaire and
Updated Water Balance to Section 11 of Form 2C page
6.
Correspondence:
WSP USA,Inc.
4021 Stirrup Creek Drive,Suite 100
Durham,North Carolina 27703

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCD058520016 NC0002305 Lear Corporation OMB No.2040-0004
SECTION 9.BIOLOGICAL TOXICITY TESTS(40 CFR 122.21(g)(11))
9.1 Do you have any knowledge or reason to believe that any biological test for acute or chronic toxicity has been made
within the last three years on(1)any of your discharges or(2)on a receiving water in relation to your discharge?
❑✓ Yes ❑ No 4 SKIP to Section 10.
a)
°i 9.2 Identify the tests and their urposes below.
I Submitted to NPDES
Test(s) Purpose of Test(s) Date Submitted
Permitting Authority?
0
77, Chronic Toxicity Permit Compliance El Yes ❑ No 10/05/2022
0
Chronic Toxicity Permit Compliance
El Yes ❑ No 07/20/2022
Chronic Toxicity Permit Compliance El Yes ❑ No 06/08/2022
SECTION 10.CONTRACT ANALYSES(40 CFR 122.21(g)(12))
10.1 Were any of the analyses reported in Section 7 performed by a contract laboratory or consulting firm?
0 Yes ❑ No 4 SKIP to Section 11.
10.2 Provide information for each contract laboratory or consulting firm below.
Laboratory Number 1 Laboratory Number 2 Laboratory Number 3
Name of laboratory/firm Environmental Chemists Inc.
cn
� Laboratory address 6602 Windmill Way
Wilmington,NC 28405
v
Co
0 Phone number
[phone]
Pollutant(s)analyzed Various
SECTION 11.ADDITIONAL INFORMATION(40 CFR 122.21(g)(13))
11.1 Has the NPDES permitting authority requested additional information?
❑✓ Yes ❑ No 4 SKIP to Section 12.
0
11.2 List the information requested and attach it to this application.
Effluent Hardness Data Storm Drain locations map
1. 4.
C
a
0 SWPPP and SPCC
2. 5 PFAS Questionnaire
a
3 Standard Chemical Addendum Form 6. Updated Water Balance
EPA Form 3510-2C(Revised 3-19) Page 6

DNS )
ATTACHMENT 3: Fixed Check Boxes in Last Rows of
Table B on Pages 11, 12, 13, and 14 of Form 2C.
Correspondence:
WSP USA, Inc.
4021 Stirrup Creek Drive,Suite 100
Durham,North Carolina 27703

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
NCD058520016 NC0002305 Lear Corporation 001 OMB No.2040-0004
TABLE B.TOXIC METALS,CYANIDE,TOTAL PHENOLS,AND ORGANIC TOXIC POLLUTANTS(40 CFR 122.21(g)(7)(v))1
Presence or Absence
(check one) Effluent Intake
(optional)
Pollutant/Parameter Testing Units Long-Term
(and CAS Number,if available) Required Believed Believed (specify) Maximum Maximum Average Number Long- Number
Present Absent Daily Monthly Term
Daily of of
Discharge Discharge Discharge Analyses Average Analyses
(required) (if available) Value
I (if available)
❑ Check here if you qualify as a small business per the instructions to Form 2C and,therefore,do not need to submit quantitative data for any of the organic toxic pollutants in Sections
2 through 5 of this table. Note,however,that you must still indicate in the appropriate column of this table if you believe any of the pollutants listed are present in your discharge.
Section 1.Toxic Metals,Cyanide,and Total Phenols
Antimony,total Concentration mg/L 0.180
1.1 (7440-36-0) Mass Ibs 0.08 29.86 0.93 1
Arsenic,total Concentration mg/L <0.01
1.2 (7440-38-2) Mass lbs <0.08 <29.86 <0.93 1
Beryllium,total Concentration mg/L <0.01
1.3 (7440-41-7) Mass lbs <0.08 <29.86 <0.93 1
Cadmium,total Concentration mg/L <0.01
1.4 (7440-43-9) Mass lbs <0.08 <29.86 <0.93 1
1.5 Chromium,total LI Concentration mg/L <0.01
(7440-47-3) Mass lbs <0.08 <29.86 <0.93 1
1.6 Copper,total ❑ Concentration mg/L <0.01
(7440-50-8) Mass lbs <0.08 <29.86 <0.93 1
Lead,total z Concentration mg/L <0.01
1.7 (7439-92-1) Mass lbs <0.08 <29.86 <0.93 1
Mercury,total Concentration mg/L <0.0002
1.8 (7439-97-6) Mass lbs <0.0016 <0.03 <0.001 1
1.9 Nickel,total LI Concentration mg/L <0.01
(7440-02-0) Mass lbs <0.08 <1.66 <0.05 1
Selenium,total 0 Concentration mg/L <0.01
1.10 0 El
(7782-49-2) Mass lbs <0.08 <1.66 <0.05 1
1.11 Silver,total El Concentration mg/L <0.01
(7440-22-4) Mass lbs <0.08 <1.66 <0.05 1
EPA Form 3510-2C(Revised 3-19) Page 11

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
NCD058520016 NC0002305 Lear Corporation 001 OMB No.2040-0004
TABLE B.TOXIC METALS,CYANIDE,TOTAL PHENOLS,AND ORGANIC TOXIC POLLUTANTS(40 CFR 122.21(g)(7)(v))1
Presence or Absence Intake
(check one) Effluent (optional)
Pollutant/Parameter Testing Units Long-Term
(and CAS Number,if available) Required Believed Believed (specify) Maximum Maximum Average Number Long- Number
Present Absent Daily Monthly Daily of Term of
Discharge Discharge Discharge Analyses Average Analyses
(required) (if available) Value
(if available)
Thallium,total Concentration mg/L <0.01
1.12 (7440-28-0) ❑ ❑ ❑ Mass lbs <0.08 <1.66 <0.05 1
Zinc,total Concentration mg/L 0.011
1.13 (7440-66-6) ❑ ❑ ❑ Mass lbs 0.09 1.82 0.05 1
1.14 Cyanide,total ❑ 0 Concentration ug/L <5
(57-12-5) Mass lbs <0.04 <0.83 <0.02 1
Concentration mg/L <0.005
1.15 Phenols,total 0 ❑ 0
Mass lbs <0.04 <0.83 <0.02 1
Section 2.Organic Toxic Pollutants(GC/MS Fraction-Volatile Compounds)
Acrolein ✓ Concentration ug/L <5
✓
2.1 (107-02-8) ❑ Mass lbs <0.04 <0.83 <0.02 1
Acrylonitrile Concentration ug/L <5
2.2 (107-13-1) ❑ ❑ ❑ Mass lbs <0.04 <0.83 <0.02 1
2.3 Benzene ❑ El Concentration ug/L <0.5
(71-43-2) Mass lbs <0.004 <0.08 <0.004 1
2.4 Bromoform ❑ 0 ❑ Concentration ug/L <0.5
(75-25-2) Mass lbs <0.004 <0.08 <0.004 1
2.5 Carbon tetrachloride 0 0 El Concentration ug/L <0.5
(56-23-5) Mass lbs <0.004 <0.08 <0.004 1
Chlorobenzene Concentration ug/L <0.5
2.6 (108-90-7) ❑ ❑ ✓
Mass lbs <0.004 <0.08 <0.004 1
Chlorodibromomethane Concentration ug/L <0.5
2.7 (124-48-1) ❑ 0 ❑ Mass lbs <0.004 0.17 0.005 1
Chloroethane ✓ Concentration ug/L <0.5
2.8 (75-00-3) Mass lbs <0.004 <0.08 <0.004 1
EPA Form 3510-2C(Revised 3-19) Page 12

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
NCD058520016 NC0002305 Lear Corporation 001 OMB No.2040-0004
TABLE B.TOXIC METALS,CYANIDE,TOTAL PHENOLS,AND ORGANIC TOXIC POLLUTANTS(40 CFR 122.21(g)(7)(v))1
Presence or Absence Intake
(check one) Effluent (optional)
Pollutant/Parameter Testing Units i Long-Term
(and CAS Number,if available) Required Believed I Believed (specify) Maximum Maximum Average Number Long- Number
- Present Absent Daily Monthly Daily of Term of
Discharge Discharge Average
(required) (if available) Discharge Analyses Value Analyses
if available
2.9 2-chloroethylvinyl ether ❑r Concentration ug/L <0.5
CI 0
(110-75-8) Mass lbs <0.004 <0.08 I 1
2.10 Chloroform(67-66-3) El Concentration ug/L <0.5
Mass lbs <0.004 <0.08 0$ 1 _ w
2.11 Dichlorobromomethane CI 0 ❑ Concentration ug/L <0.5
(75-27-4) Mass lbs <0.004 <0.08 <0.002 1
2.12 1,1-dichloroethane ❑ Concentration ug/L <0.5
✓
(75-34-3) Mass lbs <0.004 <0.08 <0.002 1
12-dichloroethane s Concentration ug/L <0.5
2.13 (107-06-2) Mass lbs <0.004 <0.08 <0.002 1
2.14 11-dichloroethylene 0Concentration ug/L <0.5
(75-35-4) Mass lbs <0.004 <0.08 <0.002' 1
2.15 12-dichloropropane 0 Concentration ug/L <0.5
✓
(78-87-5) Mass lbs <0.004 <0.08 <0.002 1
2.16 13-dichloropropylene 0Concentration ug/L <0.5
CI 0
(542-75-6) Mass lbs <0.004 <0.08 <0.002 1
2.17 Ethylbenzene Concentration ug/L <0.5
l El
(100-41-4) r El Mass lbs <0.004 <0.08 <0.002 1
2.18 Methyl bromide 0Concentration ug/L <0.5
(74-83-9) Mass lbs <0.004 <0.08 <0.002 1
2.19 Methyl chloride 0 Concentration ug/L <0.5
(74-87-3) Mass lbs <0.004 <0.08 <0.002 1
2 20 Methylene chloride ❑ Concentration ug/L <0.5
El
(75-09-2) r Mass lbs <0.004 <0.08 <0.02 1
1 1,2 2-tetrachloroethane ✓ ✓ Concentration ug/L <0.5
2.21 El
(79-34-5) Mass lbs <0.004 <0.08 <0.002 1
EPA Form 3510-2C(Revised 3-19) Page 13

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
NCD058520016 NC0002305 Lear Corporation 001 OMB No.2040-0004
TABLE B.TOXIC METALS,CYANIDE,TOTAL PHENOLS,AND ORGANIC TOXIC POLLUTANTS(40 CFR 122.21(g)(7)(v))1
Presence or Absence
(check one) Effluent Intake
(optional)
Pollutant/Parameter Testing Units Long-Term
(and CAS Number,if available) Required Believed Believed (specify) Maximum Maximum Average Number Long- Number
Present Absent Daily Monthly Daily of Term of
Discharge Discharge Average
Discharge Analyses
(required) (if available) Value Analyses
(if available)
2.22 Tetrachloroethylene Concentration ug/L <0.5
(127-18-4) Mass lbs <0.004 <0.08 <0.002 1
2.23 Toluene Concentration ug/L <0.5
(108-88-3) Mass lbs <0.004 <0.08 <0.002 1
2.24 1 2-trans-dichloroethylene � E Concentration ug/L <0.5
(156-60-5) Mass lbs <0.004 <0.08 <0.002 1
2.25 1,1,1-trichloroethane Concentration ug/L <0.5
(71-55-6) ✓ Mass lbs <0.004 <0.08 <0.002 1
2.26 1 1,2-trichloroethane Concentration ug/L <0.5
(79-00-5) Mass lbs <0.004 <0.08 <0.002 1
2.27 Trichloroethylene Concentration ug/L <0.5
(79-01-6) Mass lbs <0.004 <0.08 <0.002 1
2.28 Vinyl chloride Concentration ug/L <0.5
(75-01-4) Mass lbs <0.004 <0.08 <0.002 1
Section 3.Organic Toxic Pollutants(GC/MS Fraction-Acid Compounds)
3.1 2-chlorophenol Concentration ug/L <5
(95-57-8) Mass lbs <0.04 <0.83 <0.02 1
3.2 2 4-dichlorophenol Concentration ug/L <5
El 0
(120-83-2) ✓ Mass lbs <0.04 <0.83 <0.02 1
3.3 2 4-dimethylphenol Concentration ug/L <5
(105-67-9) Mass lbs <0.04 <0.83 <0.02 1
3.4 4,6-dinitro-o-cresol Concentration ug/L <25
(534-52-1) Mass lbs <0.2 <4.15 <0.12 1
3.5 2,4-dinitrophenol El Concentration ug/L <25
(51-28-5) Mass lbs <0.2 <4.15 <0.12 1
EPA Form 3510-2C(Revised 3-19) Page 14