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HomeMy WebLinkAboutNCG140101_DMR_20220124PROCESS WASTEWATER — Quarterly Discharge Monitoring Report GENERAL PERMIT NO. NCG140000 4 QTR CERTIFICATE OF COVERAGE NO. NCG14 0 10 1 FACILITY NAME: Chandler Concrete Company - Boone Plant #501 PERSON COLLECTING SAMPLES: Sam Thompson RECE1vEp CERTIFIED LABORATORY: Blue Ridge Lab #275 LIMIT VIOLATIONS? YES [:]NO ® JAN 3 1 N2? CENTRAL FILES DWR SECTION Part A: Wastewater Monitoring Requirements SAMPLE COLLECTION YEAR: 2021 SAMPLE QUARTER: ❑Jan -March COUNTY: WATAUGA PHONE NO. (336) 226-1181 Ong — State 0 Copy — State 0 Copy — Plant 0 Copy - File ❑April -June ❑Jul -Sept ❑Oct -Dec ADD TO LISTSERVE? DYES ®NO EMAIL: DISCHARGING TO CLASS: ❑SA ❑HQW ❑PNA ❑Trout Other: C OPTIONAL INFO: Outfall No. Date Sample Collected (mm/dd/yr) Type of Wastewater (VE, RM, MD)z pH (standard) Total Suspended Solids (ni Settleable Solids (mL/L) Non -Polar Oil & Grease using method 16645GT-HEV (ni Discharge Duration (minutes) Total Flow (gallons/day) - - - 6-9s4 3035 53 (15)6 - - 1 NO FLOW VE RM MD - N/A 2 NO FLOW VE RM MD N/A No Discharge this Period - ' If wastewater systems have not discharged in this quarter — report "No Flow" or "No Discharge' here. Please make sure to markthe sample quarter above. ' 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. ' 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 DEMLR RO staff notifiesyou to continue monitoring. PH limits are 6-9 S.U. for wastewater discharges to freshwaters, and 6.8-8.5 S.U. for discharges to saltwaters. 'TSS limits are 20 mg/Lfor wastewater discharges to HQW waters, 10 mg/Lfor Trout and RNA waters, and 30 ri for all other water classifications. ` 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 HOW waters shall beset 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 DEMLR. If the permittee cannot obtain a Summer 7Q10 flow for the receiving waters at the discharge location, the permittee shall notify DEMLR, and the DEMLR Regional Office may require an annual flow report on a case -by -case basis. Permit Date: 8/1/2017-06/30/2022 Last Revised 11/23/2020 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 Resources Attn: DWR Central Files 1617 Mail Service Center Raleigh, North Carolina 27699-1617 (919)807-6379 YOU MUST SIGN THIS CERTIFICATION FOR ANYINFORMATION 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 forgathering 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 forobmittingfalse information, including the possibility of fines and imprisonment for knowing violations." (Signature of Permit Date:8/1/2017-06/30/2022 Z2� ate) Last Revised 07/27/17 Page 2 of 2