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HomeMy WebLinkAboutNCG160034 DMR SWSemi-annual Stormwater Discharge Monitoring Report (DMR) for North Carolina DEMLR General Permit No. NCG160000 - Asphalt Date submitted CERTIFICATE OF COVERAGE NO. NCG16 0034 FACILITY NAME Blythe Construction, Inc.- N. Plant COUNTY Mecklenburg PERSON COLLECTING SAMPLES Robby Keziah LABORATORY ALS Group USA, Corp Lab Cert. # 624 - 2015 Comments on sample collection or analysis: N/A Part A: Stormwater Benchmarks and Monitoring Results SAMPLE COLLECTION YEAW" SAMPLE PERIOD ❑ Jan -June ® July -Dec or ❑ Monthly' (month) DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA ❑Zero -flow ❑Water Supply [:]SA ®Other C PLEASE REMEMBER TO SIGN ON THE REVERSE4 ❑ No discharge this period?' Outfall No. Date Sample Collected' (mo/dd/yr) 24-hour rainfall amount, Inches3 Total Suspended Solids Benchmarks =__> - - 100 mg/L or 50 mg/L4 001 7/9/15 0.2 in. 14.6 mg/L 002 7/9/15 0.2 in. 18.0 mg/L 1 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. 3The 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 text, Table 3, 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, quantitation 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. Permit Date: 10/1/2014-9/31/2019 SWU-252, last revised 9/17/2014 Page 1 of 2 Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month. ❑ No discharge this period?z Date Sample 24-hour rainfall Outfall No: _..,.. Collected' amount, Non -polar O&G by EPA (mo/dd/yr) Inches3 1664 (SGT -HEM) Total Suspended Solids Benchmarks =__> _ - 15 mg/L 100 mg/L or 50 mg/L4 NA 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 PART A AND PART B MONITORING RESULTS: • A SINGLE BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. • 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. • TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDANCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES []NON IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE AS REQUIRED BY THE PERMIT? YES [:]No ❑ REGIONAL OFFICE CONTACT NAME: Mail an original and one 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 Resources Attn: DWR 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." )11-2-91114111 (D(ate) Permit Date: 10/1/2014-9/31/2019 SWU-252, last revised 9/17/2014 Page 2 of 2