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HomeMy WebLinkAboutNCG140266 DMR SW (3)_4, STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM GENERAL PERMIT NO. NCG140000 CERTIFICATE OF COVERAGE NO. NCG140266 FACILITY NAME: Thomas Concrete of Carolina -Morrisville Plant_ PERSON COLLECTING SAMPLES Susan Bostian CERTIFIED LABORATORY ESC Lab # ENV 375_ Lab # OPTIONAL INFO: September Monitoring Event Part A: Stormwater Monitoring Requirements SAMPLE COLLECTION YEAR: 2015 SAMPLING PERIOD: ® July -December ❑ January -June COUNTY Wake PHONE NO. (919) 460-5317 ADD TO LISTSERVE? ❑YES ®NO EMAIL: DISCHARGING TO CLASS: ❑SA ❑HQW ❑PNA []Trout ®Other. Outfall No. Date Sample Collected (mo/dd/yr OR NO FLOW)' pH (Standard Units) TSS (mg/L) Event Duration (minutes) Total Rainfall° (in) In Tier 2 Monthly Monitoring? (y/n) # of Months inTier 2 Sampling - - 6-92 1002'3 - - _ - 001 9/25/15 10.4 3 45 0.875 y 9 002 9/25/15 9.3 21.4 45 0.875 y 9 003 9/25/15 9.3 20.1 45 0.875 y 9 tIEGEIVEI NOV 10 2916 FILES If "NO FLOW" or "NO DISCHARGE. Enter "NO FLOW" or "NO DISCHARGE" for earh outfall here- Please maks sure to mark tha samnla narind ahnva 2 If a value is in excess of the benchmark, or outside the benchmark range (for pH), you must implement the Tier 1 or Tier 2 responses in the General Permit. Tier 2 Monthly sampling shall be done until 3 consecutive samples are below the benchmark or within the benchmark range. 3 TSS benchmark values are 100 mg/I, except when discharging to ORW, HQW, Trout, and PNA waters where they are 50 mg/I. ° For each sampled measurable storm event the total precipitation must be recorded using data from an on-site rain gauge. Permit Date: 7/l/2011-60/30/2015 Last Revised 7/13/11 Page 1 of 2 Part B: Vehicle Maintenance Activity Monitoring Requirements for facilities using > 55 gal of new motor oil/month — averaged over a calendar year. Outfall No. Date Sample Collected (mo/dd/yr)1 pH (Standard Units) TPH using method 1664A SGT -HEM (mg/L) Total Suspended Solids (mg/L) Event Duration (minutes) Total a Rainfall (in) New Motor Oil Usage (gal/month) In Tier 2 Monthly Monitoring? (Y/n) # of Months in Tier 2 2 Sampling 6-92 152 1002'3 - - - - - HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES AT ANY ONE OUTFALL (INCLUDING VEHICLE MAINTENANCE)? YES ❑ NO HAVE YOU CONTACTED THE REGION? YES ❑ NO REGIONAL OFFICE CONTACT NAME: Mail Original and one copy of this DMR (including all "No Flow" & "No Discharge" reports) within 30 days of receipt of sample (or at end of monitoring period in case of "No Flow") 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. am aware that they re significant pMIWV sfor submitting false information, including the possibility of fines and imprisonment for knowing violations." 7p7 e— 10/30/2015 (Signature of Permittee) " (Date) Permit Date: 7/l/2011-60/30/2015 Last Revised 7/13/11 Page 2 of 2