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HomeMy WebLinkAboutNCG140081 DMR WW (2)PROCESS WASTEWATER — Quarterly Discharge Monitoring Report GENERAL PERMIT NO. NCG140000 CERTIFICATE OF COVERAGE NO. NCG14 0 0 81 FACILITY NAME: Chandler Concrete Company - Reidsville #104 PERSON COLLECTING SAMPLES: Ricky Wilson CERTIFIED LABORATORY:Pace Analytical Lab #633 LIMIT VIOLATIONS? YES ❑ NO 0 Orig — State 0 Copy — State 0 Copy — Plant 0 Copy - File SAMPLE COLLECTION YEAR: 2015 SAMPLE QUARTER: ❑Jul -Sept ❑Oct -Dec ®Jan -March ❑April -June COUNTY: Rockingham PHONE NO. ( 336) 634 - 1845 ADD TO LISTSERVE? ❑YES ®NO EMAIL: DISCHARGING TO CLASS: ❑SA ❑HQW ❑PNA ❑Trout ®Other: C OPTIONAL INFO: Part A: Wastewater Monitoring Requirements Date Sample Outfall 'No..Collected) (mm/dd/yr) Type of Wastewater r (VE, RM, MD) Total Suspended pH Solids (standard) (mg/L) Settleable Solids (MLA) TPH usingDischarge method 1664A 6 SGT -HEM (mg/L) Duration (minutes) Total Flow j7` {gallons/day), - - - 6-93;a 303s 53 (15)6 - 1 03/05/15 VE RM MD 7.6 4.4 ND N/A 90 120 2 03/05/15 RM 8.1 21.4 ND N/A 90 112 Discharge was result of rain event. - 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. Z 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. 3If 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. 7 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 0213.0224. 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 TH MARY 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 DAYS OF 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 sys assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who man; those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accui complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for'I violations." (Signature of Permittee) (Date) m designed to a the system, or te, and owing Permit Date: 7/1/2010-06/30/2015 Last Revised 07/13/11 Page 2 of 2