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Home My WebLink AboutNCG140078 DMR WW & SWSTORMWATER DISCHARGE OUTFALL (SDO)'- Semi -Annual MONITORING F GENERAL PERMIT NO. NCG140000 CERTIFICATE OF COVERAGE NO. NCG14 0 0 7 8 FACILITY NAME: Chandler Concrete Co. - Madison Plant #106 PERSON COLLECTING SAMPLES: ' CERTIFIED LABORATORY:Pace Analytical Lab #633 OPTIONAL INFO: Part A: Stormwater Monitorine Reauirements SAMPLE COLLECTION YEAR; i6 on ref Orig - State 0 Copy - State 0 Copy - Plant 0 Copy - File SAMPLING PERIOD: ® July -'December ❑ January -June COUNTY Rockingham PHONE NO. ( 336) 548 - 4299 ADD TO LISTSERVE? ❑YES ®NO EMAIL: _ DISCHARGING TO CLASS: ❑SA ❑HQW ❑PNA ❑Trout ®Other: C Outfall No. Date Sample !' Collected '; (mo/dd/yr OR � NO FLOW)' PH {Standard Units) - TSS (mg/L) Event Duration (minutes) Total a Rainfall (in) In Tier 2 Monthly Monitoring? (Y/n) # of Months in.Tier 2 2 Sampling - - 6-92 1002,s No Flow Win. N. N/A No Qualifying Discharge this Period 1 If "NO FLOW" or "NO DISCHARGE, Enter," NO FLOW" or "NO DISCHARGE" for each outfall here. Please make sure to mark the sample period above. z 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/l, 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. - �� FEB .0 3 2015 CENTRAL FILES DWR SECTION Permit Date: 7/1/2011-60/30/2015 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 1 (mo/dd/yr) PH (Standard Units) TPH using method 1664A SGT -HEM (mg/L) Total Suspended Event Total Solids .Duration Rainfalln (mg/L) (minutes) (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 N/A *Vehicle Maintenance Not Performed this Location HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES AT ANY ONE OUTFALL (INCLUDING VEHICLE MAINTENANCE)? YES [:]NON' HAVE YOU CONTACTED THE REGION? YES ❑ NO ❑ REGIONAL OFFICE CONTACT NAME: Mail -Original and one copv of this DMR (includine all "No Flow" & "No Discharee" reports) within 30 days of receipt of sample (or at end of monitorine 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 r94onsible for, gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete am aware that a ;sirficant enalties for submitting false information, including the possibility of fi es d imprisonment for knowing violations. / Z7 4 (Signature f Permittee) ( te) Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11 Page 2 of 2 PROCESS WASTEWATER — Quarterly Discharge Monitoring Report GENERAL PERMIT NO. MCG140000 CERTIFICATE OF COVERAGE NO. NCG14 0 0 7 8 FACILITY NAME: Chandler Concrete Company - Madison Pit. 106 PERSON COLLECTING SAMPLES: CERTIFIED LABORATORY:Pace Analytical Lab #633 LIMIT VIOLATIONS? YES ❑ NO Part A: Wastewater Monitoring Requirements SAMPLE COLLECTION YEAR -2916- -41"' Orig - State 0 Copy - State 0 Copy - Plant 0 Copy File SAMPLE QUARTER: ❑Jul -Sept ®Oct -Dec ❑Jan -March ❑April -June COUNTY: Rockingham PHONE NO. ( 336) 548 - 4299 ADD TO LISTSERVE? ❑YES ®NO EMAIL: DISCHARGING TO CLASS: OSA ❑HQW ❑PNA ❑Trout ®Other: C OPTIONAL INFO: Date Sample 1 Outfall No. Collected (mm/dd/yr) Type of Wastewater pH 2 (VE, RM, MD) (standard) Total Suspended Solids (mg/L) Settleable Solids (mL/L) TPH usingDischarge method 1664A 6 SGT -HEM (mg/L) Duration (minutes) Total Flow . , (gallons/day) - - 6-93,4 303,s 53 (15)6 - - 1 NO FLOW VE RM MD N/A �— No Qualifying Discharge During this Period - CEN RRL FILES DWF SECTION 1 If wastewater systems have not discharged in this quarter — report "No Flow" or "No Discharge" here. Please make sure to mark the sample quarter above. 2 Report the abbreviation for the type of Authorized Wastewater Discharges here: Vehicle and Equipment Cleaning (VE), Raw Material Stockpiles (RM), Mixing Drum Cleanout (MD). Report more than one type if the waste -stream is commingled. 3 if an effluent limit is exceeded twice in a row, the permittee is required to institute monthly monitoring for that parameter for six months, unless DWQ RO staff notifies you to continue monitoring. 4 pH limits are 6-9 S.U. for wastewater discharges to freshwaters, and 6.8-8.5 S.U. for discharges to saltwaters. 5 TSS limits are 20 mg/L for wastewater discharges to HQW waters, 10 mg/L for Trout and PNA waters, and 30 mg/L for all other water classifications. 6 Process wastewater discharges shall only be monitored for TPH when commingled with stormwater discharges from VMA areas. TPH does not have a limit for wastewater, but instead is subject to benchmarks and provisions of Part IV, Section A, including the Tiered Response Action. ' Flow rate can be measured continuously or calculated. Flow limits for wastewater discharges to HQW waters shall be set to 50% of the Summer 7Q10 Flow as per 15A NCAC 02B .0224. Permittees who discharge wastewater to HQW waters shall obtain a Summer 7Q10 flow and report this information to DWQ. If the permittee cannot obtain a Summer 7Q10 flow for the receiving waters at the discharge location, the permittee shall notify DWQ, and the DWQ Regional Office may require an annual flow report on a case-by-case basis. Permit Date: 7/1/2010-06/30/2015 Last Revised 07/13/11 Page 1 of 2 MAIL ORIGINAL AND ONE COPY OF THIS ANNUAL SUMMARY (INCLUDING ALL "NO FLOW", "NO DISCHARGE") 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 (919) 807-6379 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 completer I am.aware;th"ere are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." - /�/�/ 2L (_ ignature of Permittee) ate Permit Date: 7/1/2010-06/30/2015 Last Revised 07/13/11 Page 2 of 2