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HomeMy WebLinkAboutNCG080842_DMR_20210201Semi-annual Stormwater Discharge Monitoring Report for North Carolina Division of Water Quality General Permit No. NCGO80000 Date submitted 2/1/21 CERTIFICATE OF COVERAGE NO.: NCGO80842 FACILITY NAME: Norfolk Southern Railway Co. — Linwood COUNTY Davidson PERSON COLLECTING SAMPLES J. Thurman Horne, P.E. LABORATORY: K & W Laboratories Lab Cert. #559 Comments on sample collection or analysis: Part A: Vehicle Maintenance Areas Monitoring Requirements SAMPLE COLLECTION YEAR: 2021 SAMPLE PERIOD X Jan -June July -Dec or ❑ Monthly' (month) � NGTOCLASS ❑ORW ❑HQW [:]Trout ❑PNA RED,+ tIC��1A�R�617❑Zero-flow X Water Supply ❑SA FEB 15 ZRI ❑ Other: CENTRAL FILES WR SECTION PLEASE REMEMBER TO SIGN ON THE REVERSE 4 ❑ No discharge this period' Outfall No. Date Sample Collected' (mo/dd/yr) 24-hour rainfall amount, Inches' Non -Polar Oil & Grease mg/L Total Suspended Solids (TSS), mg/L pH, Standard units New Motor or Hydraulic Oil Usage, gal/mon Benchmarks _ _ 15 100 or 504 6.0 — 9.0 _ Parameter Code - 46529 00552 C0530 00400 NCOIL 05 01/08/21 0.3 <6.2 <2.8 6.33 250 08 01/08/21 0.3 <6.2 2.9 6.17 'Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall. Z 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. 'See General Permit text, Table 1, identifying the especially sensitive receiving water classifications where the more protective benchmark applies. Note: Results must be reported in numerical format. For example, 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. Conversely, where fecal coliform results exceed the dilution upper limit, report the result as 5XX". Permit Date: 11/1/2018-5/31/2021 last revised 1/14/2020 Page 1 of 2 Part B: Oil/water Separators and Secondary Containment Areas at Petroleum Bulk Stations and Terminals (If applicable) ❑ No discharge this period' Outfall No. Date Sample Collected' (mo/dd/yr) 24-hour rainfall amount, Inches' Notes (Optional) Total Suspended Solids, mg/L pH, Standard units Non -Polar Oil & Grease, mg/L Permit Limit _ - - 100 or 504 6.0 — 9.0 15 Parameter Code - 46529 - C0530 00400 00552 Footnotes from Part A also apply to this 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. FOR PARTA 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 ATTHE 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 ANYONE OUTFALL? YES ❑ NO X IF YES, HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? YES NO REGIONAL OFFICE CONTACT NAME: Mail an original copy a this DMR, including all "No Discharge" reports, within 30 days of receipt of the lab results for at end of monitorina period in the case of "No Discharae" 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 sign i can pent es for submitting false information, including the possibility of fines and imprisonment for knowing violations." Signature of Date Permit Date: 11/1/2018-5/31/2021 last revised 1/14/2020 Page 2 of 2