NCG030611_2024 DMR_20240625

Progress Rail
A Caterpillar Company
June 14, 2024
DEQ Winston-Salem Regional Office
Attn: DEMLR Stormwater Program
450 West Hanes Mill Road, Suite 300
Winston-Salem, NC 27105
Re: Stormwater Discharge Outfall Monitoring Report (DMR): 2nd Quarter 2024
Progress Rail Winston-Salem (Forsyth County)
General Permit NCG030000; Certificate of Coverage Number NCG030611
Dear DEMLR Stormwater Program,
We respectfully submit the enclosed signed original of the Stormwater Discharge Outfall Monitoring
Report for Progress Rail Winston-Salem under General Permit Number NCG030000, Certificate of
Coverage NCG030611. This submission is for stormwater discharge sampling during the Second
Quarter of 2024 (April - June) as outlined in Part E of our stormwater discharge permit.
If you have any questions or comments regarding this Stormwater Discharge Outfall Monitoring Report
(DMR) submission, please contact us at your convenience.
Sincerely,
David Brecheen, EHS Manager
Progress Rail Winston-Salem, A Caterpillar Company
Enclosures: Stormwater Discharge Outfall Monitoring Report (DMR), 1 signed original

NCDEQ Division of Energy, Mineral and Land Resources
Stormwater Discharge Monitoring Report (DMR) Form for NCG030000
Metal Fabrication
Click here for instructions
Complete,sign,scan and submit the DMR via the _ =S Pe' -' --ng Report(DMR)Upload form within
30 days of receiving sampling results. Mail the original,signed hard copy of the DMR to the appropriate DEMLR Regional Office.
Certificate of Coverage No, NCG030611 Person Collecting Samples: RYAN R.OSBORNE(INENCO,INC.)
Facility Name:PROGRESS RAIL WINSTON-SALEM Laboratory Name: PACE ANALYTICAL SERVICES,LLC.
Facility County: FORSYTH Laboratory Cert. No.: 12,40,381,37706,37712
Discharge during this period:ElYes No (if no,skip to signature and date)
Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances? Yes Q No
If so,which Tier(I, II,or III)?
A copy of this DMR has been uploaded electronically via https:/jedocs.deq.nc.gov/Forms/SW-DMR 0 Yes ED No
Date Uploaded:
Analytical Monitoring Requirements for Outfalls with Industrial Activities—Benchmarks in 'ed)
Parameter Parameter Outfall 1 Outfall 2 Outfall Outfall Outfall
Code
N/A Receiving Stream Class CLASS C CLASS C
N/A Date Sample Collected MM/DD/YYYY 05/14/2024 05/14/2024
46529 24-Hour Rainfall in inches 0.66 0.66
C0530 TSS in mg/L(100 or 50*) 3.6 <2.5
00400 pH in standard units(6.0-9.0 AN, 6.20 6.82
6.8-8.5 SW'
01119 Copper,total recoverable in mg/L <0.0050 <0.0050
(0.010 FW,0.0058 SW)
01051 Lead,total recoverable in mg/L <0.0010 <0.0010
(0.075 FW,0.22 SW)
Zinc,total recoverable in mg/L(0.126
01094 FW,0.095 SW) <0.0100 <0.0100
00340 Chemical Oxygen Demand(COD) in <25.0 <25.0
mg/L(120)
00552 Non-Polar Oil&Grease in mg/L —7<4.8 <4.8
Outfalls to Outstanding Resource Waters(ORW),High Quality Waters(HOW),Trout Waters(Tr)and Primary Nursery Areas(PNA)
have a benchmark TSS limit of .All other water classifications have a benchmark of 100 mg/L
(Freshwater) (Saltwater)
Notes(optional): pH sample collected and analyzed by Ryan R.Osborne of INENCO, INC., North Carolina Field Services Certification# 55401
"I certify by my signature below,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,tr ,accurate,and complete.I am aware that there are significant penalties for submitting
false infor ion, lu the ibility of-fines an imprisonment for knowing violations."
Sig ature f Permittee or Delegated Authorized Individual ate
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