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HomeMy WebLinkAboutNCG140418_MONITORING INFO_20190204STORMWATER DIVISION CODING SHEET NCG PERMITS PERMIT NO. DOC TYPE ❑HISTORICAL FILE MONITORING REPORTS DOC DATE ❑ YYYYMMDD ANNUAL SUMMARY DISCHARGE MONITORING REPORT DMR — STORMWATER SUBMIT TO CENTRAL OFFICE* General Permit No. NCG140000 Calendar Year 2018 *Report ALL STORMWATER monitoring data on this form (include "No Flow"rNo Discharge" and Benchmark Exceedances) from the previous calendar year to the DEQ by MARCH 1 of 0 'fNEI �If�-r-., Certificate of Coverage No. NCG140418 Facility Name: Thomas Concrete of Carolina — Knightdale Plant County: Wake Phone Number: 919 562-1909 Certified Laboratory ESC Total no. of SDOs monitored 1 Lab # ENV 375 Lab # FEB 0 4 2019 CEN1RAL FILES DWR SECTION Stormwater Discharge Outfall (SDO) No. 001 VMA Outfall? Yes ❑ No Is this outfall currently in Tier 2 for any parameter? Yes ❑ No Was this outfall ever in Tier 2 during the past year? Yes ❑ No ER If this outfall was in Tier 2 last year, was monthly monitoring discontinued? Yes, enough consecutive samples below benchmarks to decrease frequency ❑. Yes, received approval from DEMLR to reduce monitoring frequency ❑ Other ❑ Outfall No. 001 Total Rainfall, inches Total Suspended Solids { } m 1I pH, SU Non -polar O&G (EPA Method m())SGT-HEM. 1664TSS, gll (VMA) It applicable New Motor Oil Usage (gallmo.) IfaFRficahle Stormwater Benchmarks Indicate NO FLOW it aRPlleabla Circle Benchmark 100150 6.0-9.i) 15 �55 gallmo, Average requires TSS and Non -polar 08Gmonitoring Date Sample Collected, r "'fir.i - `�,° 4 x� -+ ,,=� v� �: �molddl �, "ve'_ 6130118 NO FLOW 12/14/18 0.41 520 6.83 NIA NIA Permit Date 8/1/2017 — 6/30/2022 Last Revised 8-22-2015 Certificate of Coverage No. NCG140418 CERTIFICATION "1 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." [Required 6y 40 CFR §122.221 Signature Date 1- Mail Annual Summary Stormwater DMR to the NCDEQ Central Office: Note the address is correct — Central Files is housed in DWR (Trot DEMLR) N.C. Department of Environmental Quality (DEQ) Division of Water Resources Attn: DWR Central Files 1617 Mail Service Center Raleigh, NC 27699.1617 Central Files Telephone (919) 807-6300 Questions? Contact DEMLR Stormwater Permitting Staff in the Central Office at: (919) 707-9220 Permit Date 8/112017 — 6130/2022 Last Revised 8-22-2015 ANNUAL SUMMARY DISCHARGE MONITORING REPORT (DMR) — WASTEWATER SUBMIT TO CENTRAL oFAXE* General Permit No. NCG140000 Calendar Year 2018 "Report ALL WASTEWATER monitoring data on this form (include "No Flow"Mo Discharge" and Limit Violations) from the previous calendar year to the DEQ by MARCH 1 of each year. Certificate of Coverage No. NCG14 WED Facility Name: Thomas Concrete - Knightdale Plant _ FEB 0 4 mg County: Wake CENTRAL FILES Phone Number: (919 ) 562-1909 Total no. ofat'atfall 911�ttgrEd 1 Certified Laboratory ESC Lab # ENV 375 Lab # Wastewater (WW) Discharge Outfall No. 001 Does this outfall discharge WW to SA waters? Yes ❑ No O Does this outfall discharge WW to SIB or PNA waters? Yes ❑ No ❑✓ Does this outfall discharge WW to HOW or ORW waters? Yes ❑ No El If so, what is the 7Q10 flow rate? or Tidally influenced waters, 7Q10 not available ❑ Does this outfall discharge WW to Trout (Tr) designated waters? Yes ❑ No ❑✓ Were there any limit violations in the calendar year? Yes ✓❑ No ❑ Outfall No. 001 Daily Flow Rate, cfs pH, SU TSS, m911 SS, mill it epplicabro Non -Polar O$G (EPA Method 1664 (SGT-HEM)), mgll Effluent Limitations Daily Maximum OOWorORIN 50% of 7Q10 Indicate NO FLOW 7f applicable freshwater 6.0-9.0 saltwater �. 8-p. a5 v Standard 30 How 20 HOW l ORIN nO Tr, or 10 HOW. ORW.SA, SB,PNA.orany Trout 5 No Limit Samples above Benchmark subject to Tiered Responses 15 Date Sample Collected, molddl r 6/30/18 NO DISCHARGE SEMI ANNUAL 1 12/14/18 13.46 54.4 NIA NIA Permit Date 8/112017 — 6/30/2022 Last Revised 8-22-2017 Certificate of Coverage No. NCG14 ®® 1❑® CERTIFICATION "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." [Required by 40 CFR §122.22) Sigm, Date Mail Annual Summary Wastewater DMR to the NCDEQ Central Office: Note the address is correct- Central Files is housed in DWR (not DEMLR) N.C. Department of Environmental Quality (DEQ) Division of Water Resources Attn: DWR Central Files 1617 Mail Service Center Raleigh, NC 27699-1617 Central Files Telephone (919) 807-6300 Questions? Contact DEMLR Stormwater Permitting Staff in the Central Office at: (919) 707-9220 Permit Date 811/2017 — 6130/2022 Last Revised 8-22-2017 ANNUAL SUMMARY DISCHARGE MONITORING REPORT DMR—STORMWATER SUBMIT TO CENTRAL OFFICE* General Permit No. NCG140000 Calendar Year 2017 "Report ALL STORMWATER monitoring data on this form (include "No Flow" 1"No Discharge",and Benchmark Exceedances) from the previous calendar ,year to the DEQ by MARCH 9 of each•year1+it lyp[) Certificate of Coverage No. NCG 140418 ~'" 10 U L eJ I iJCENT ,c F;LC-s Facility Name: Thomas Concrete of Carolina — Knightdale Plant DWR SECTloij County: Wake Phone Number: (919) 562-1909 Total no. of SDOs monitored 1 Certified Laboratory ESC Lab # ENV 375 Lab # Stormwater Discharge Outfall (SDO) No. 001 VMA Outfall? Yes ❑ No Is this outfall currently in Tier 2 for any parameter? Yes ❑ No Was this outfall ever in Tier 2 during the past year? Yes ❑ No If this outfall was in Tier 2 last year, was monthly monitoring discontinued? Yes, enough consecutive samples below benchmarks to decrease frequency ❑ Yes, received approval from DEMLR to reduce monitoring frequency ❑ Other ❑ Outfall No. Total Rainfall, inches Total Suspended Solids (TSS), m II pH, SU Non -polar O8,G (EPA Method 1664 SGT-HEM ( ))' mg/i (VMA) !f applicable New Motor Oil Usage (gallmo.) lfapplicable Storm water Benchmarks Indicate NO FLOWS applicable Circle Benchmark 100150 6.0-9.0 15 >55 gallmo. average requires Tss and Non-polarOaG monitoring Date Sample Collected,=M= molddl r No discharge recorded during first or second semi-annual stormwater monitoring interval. Permit Date 8/1/2017 — 6/30/2022 Last Revised 8-22-2015 Certificate of Coverage No. NCG140418 Additional Outfall Attachment (make copies as needed for additional outfalls) Stormwater Discharge Outfall (SDO) No. VMA Outfall? Yes ❑ No ❑ Is this outfall currently in Tier 2 for any parameter? Yes ❑ No ❑ Was this outfall ever in Tier 2 during the past year? Yes ❑ No ❑ If this outfall was in Tier 2 last year, was monthly monitoring discontinued? Yes, enough consecutive samples below benchmarks to decrease frequency ❑ Yes, received approval from DEMLR to reduce monitoring frequency ❑ Other ❑ Outfall No. Total Rainfall, inches Total Suspended Solids (TSS), mg/1 pH, SU Non -polar O&G (EPA Method 1664 (SGT-HEM)), mgll (VMA) n applicable New Motor Oil Usage (gallmo.) If applicable Stormwater Benchmarks Indicate NO FLAW it applicable Circle Benchmark 1 O 5 V V V 0-9. V 7 V .� >55 gNon-p average requires T$$ and Non -polar 08G monitoring Date Sample Collected, mo/dd/ r Permit Date 8/1/2017 -- 6/30/2022 Last Revised 8-22-2015 Certificate of Coverage No. NCG140418 Additional Ouffall Attachment (make copies as needed for additional outfalls) Stormwater Discharge Outfall (SDO) No. VMA Outfall? Yes ❑ No ❑ Is this outfall currently in Tier 2 for any parameter? Yes ❑ No ❑ Was this outfall ever in Tier 2 during the past year? Yes ❑ No ❑ If this outfall was in Tier 2 last year, was monthly monitoring discontinued? Yes, enough consecutive samples below benchmarks to decrease frequency ❑ Yes, received approval from DEMLR to reduce monitoring frequency ❑ Other ❑ Outfall No. Total Rainfall, inches Total Suspended Solids {TSS}, mg/1 PHA SU Non -polar O&G {EPA Method 1664 )} mgll (VMA)SGT-HEM New Motor Oil Usage {gallmo.} Stormwater Benchmarks Indicate NO FLOW it applicable Circle Benchmark 160150 V /� 6. U-9. V 1 � >55 gNon-p average requires TSS and Non -polar monitoring Date Sample Collected, molddl r Permit Date 8/1/2017 - 6/30/2022 Last Revised 8-22-2015 Certificate of Coverage No. NCG 140418 CERTIFICATION "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." [Required by 40 CFR §122.22] R Signature \... ' Date 7k VA - Mail Annual Summary Stormwater DMR to the NCDEQ Central Office: Note the address is correct - Central Files is housed in DWR (not DEMLR) N.C. Department of Environmental Quality (DEQ) Division of Water Resources Attn: DWR Central Files 1617 Mail Service Center Raleigh, NC 27699-1617 Central Files Telephone (919) 807-6300 Questions? Contact DEMLR Stormwater Permitting Staff in the Central Office at: (919) 707-9220 Permit Date 8/1/2017 - 6/30/2022 Last Revised 8-22-2015 PROCESS WASTEWATER — Quarterly Discharge Monitoring Report GENERAL PERMIT NO. NCG140000 CERTIFICATE OF COVERAGE NO. NCG14140418 FACILITY NAME: _Thomas Concrete of Carolina- Knightdale Plant PERSON COLLECTING SAMPLES: Kevin Kelt CERTIFIED LABORATORY:_ESC Lab # ENV375 Lab # LIMIT VIOLATIONS? YES ❑ NO Part A: Wastewater Monitoring Requirements SAMPLE COLLECTION YEAR: 2017 SAMPLE QUARTER: ❑Jul -Sept ❑Oct -Dec COUNTY: Wake PHONE NO. (_704 _) 853-9437 ADD TO LISTSERVE? OYES ®NO EMAIL:_ DISCHARGING TO CLASS: []SA ❑HQW ❑PNA ❑Trout ®Other OPTIONAL INFO: [Dian -March ❑April -June Outfall No. Date Sample 1 Collected (mm/dd/yr) Type of Wastewater (VE, RM, MID)' pH (standard) Total Suspended Solids (mg/L) Settleable Solids (mL/L) TPH usingDischarge method 1664A SGT-HEM' (mg/L) Duration (minutes) Total Flow � {gallons/day} - - - 6-93,4 3035 53 (15)6 - - 01 NO DISCHARGE, , V E D 17 0celwrr- DWR , ��' tJ 1"RA L FILES yr Yi'CU LION 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. 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. Permit Date: 7/1/2010-06/30/2015 Last Revised 07/13/11 Page 1 of 2 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. 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 complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." 3/31/2017 Permit Date: 7/1/2010-06/30/2015 Last Revised 07/13/11 Page 2 of 2 STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM GENERAL PERMIT NO. NCG140000 CERTIFICATE OF COVERAGE NO. NCG140418 FACILITY NAME: Thomas Concrete of Carolina-Knightdale Plant PERSON COLLECTING SAMPLES Kevin Kelt CERTIFIED LABORATORY ESC Lab # ENV 375� Lab # OPTIONAL INFO: March Monitoring Event Part A: Stormwater Monitorine Reauirements SAMPLE COLLECTION YEAR: 2017 SAMPLING PERIOD: ❑ July -December ® January -June COUNTY Wake PHONE NO. (704) 853-9437 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)1 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 Sampling" - - 6-9 100 ' - - - - 001 NO FLOW n NA Click here to enter text. Click here to enter text. �,i a C 1 V E D Click here to enter text. Click here to enter text. Click here to enter text. PP 17 2017 Click here to enter text. Click here to enter text. CENTRAL FILES '� L.Pvr. 14 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. Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11 Page i 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) pH (standard Units) TPH using m 1664A SGT HFM (mg/L) Total Suspended Solids (mg/L) Event Duration (minutes) Total a Rainfall (in) New Motor Oil Usage (gal/month) In Tier 2ethod Monthly Monitoring? (y/n) # of Months in Tier 2 Sampling2 6-9 15 100 , - - - - HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES AT ANYONE OUTFALL (INCLUDING VEHICLE MAINTENANCE)? YES ❑ NO HAVE YOU CONTACTED THE REGION? YES ❑ NO REGIONAL OFFICE CONTACT NAME: Mail OriOnal and one copv of this DMR (includine all "No Flow" & "No Discharge" 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 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." (Signature of Permittee) Permit Date:7/1/2011-60/30/2015 3/31/2017 (Date) Last Revised 7/13/11 Page 3 of 2 STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM GENERAL PERMIT NO. NCO140000 CERTIFICATE OF COVERAGE NO. NCG 140418 FACILITY NAME: Thomas Concrete of Carol ina-Knightdale Plant PERSON COLLECTING SAMPLES Kevin Kelt CERTIFIED LABORATORY ESC Lab # ENV 375_ Lab # OPTIONAL INFO: August Monitoring Event Part A: Stormwater Monitoring Requirements SAMPLE COLLECTION YEAR: 2016 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)1 PH [Standard Units) TSS (mg/L) Event Duration (minutes) Total 4 Rainfall (in) In Tier 2 Monthly Monitoring? (y/n) # of Months in Tier z 2 Sampling - - 6-9 100 ' - - - - 001 NO FLOW n NA Click here to enter text. Click here to enter text. a r R E C E� V E D Click here to enter text. Click here to enter text. Click here to enter text. JAN 12 2 f7 Click here to enter text. Click here to enter text. t;ENTRAL FI ES :5EC I I JN E 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. 1554 Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11 Page 1 of 2 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. a 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: 7/1/2011-60/30/2015 Last Revised 7/13/11 Page 2 of 2 Part-B.- Vehicle Maintenance Activity Monitoring Requirements for facilities using > SS 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 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 Samplingz 6-9 15 100 , - - - - - 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 cores of this DMR (including all "No Flow" & "No Discharee" reoortsl within 30 days of receipt of samDle for at end of monitoring Deriod 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. I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." (Signature of Permittee) Permit Date:7/1/2011-60/30/2015 8/20/2016 (Date) Last Revised 7/13/11 Page 3 of 2 STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM GENERAL. PERMIT NO. NCG140000 CERTIFICATE OF COVERAGE NO. NCG140418 FACILITY NAME: Thomas Concrete of Carolina-Knightdale Plant PERSON COLLECTING SAMPLES Kevin Kelt CERTIFIED LABORATORY ESC Lab # ENV 375_ Lab # OPTIONAL INFO: April Monitoring Event Part A: Stormwater Monitorine Reauirements SAMPLE COLLECTION YEAR: 2016 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 Out#all No. Date Sample Collected (mo/dd/yr OR NO FLOW)1 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 Sampling2 - - 6-9 100- 001 NO FLOW n NA Click here to enter text. Click here to enter text. ,_„ „ ,^ Click here to enter text. Click here to enter text. Click here to enter text. r-%Jz%4F.I 'l CL,d Click here to enter text. Click here to enter text. L&N I FZAL F ILES ' 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. Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11 Page 1 of 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: 7/1/2011-60/30/2015 Last Revised 7/13/11 Page 2 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 Samplingz 6-9 15 100 , - - - - - HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES AT ANYONE OUTFALL (INCLUDING VEHICLE MAINTENANCE)? YES [:]NON 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 there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." c—)eZOL- 2G% 4/20/2016 (Signature of Permit -tee) 61 (Date) Permit Date:7/1/2011-60/30/2015 Last Revised 7/13/11 Page 3 of 2 PROCESS WASTEWATER — Quarterly Discharge Monitoring Report w / 69 CERTIFICATE OF COVERAGE NO. NCd14 4041$ GENERAL PERMIT NO. NCG140000 5 FACILITY NAME: Thomas Concrete of Carolina- Knightdale Plant PERSON COLLECTING SAMPLES: Susan Bostian CERTIFIED LABORATORY: ESC Lab # ENV375_ Q4 Lab # LIMIT VIOLATIONS? YES ❑ NO Part A: Wastewater Monitoring Requirements SAMPLE COLLECTION YEAR: 2016 SAMPLE QUARTER: ❑Jul -Sept ®Oct -Dec Dian -March ❑April -June COUNTY: Wake PHONE NO. (_919 _)557-3144 ADD TO LISTSERVE? DYES ®NO EMAIL: DISCHARGING TO CLASS: ❑SA ❑HQW OPTIONAL INFO: ❑PNA ❑Trout ®Other Outfall No. Date Sample Collected' (mm/dd/yr) Type of Wastewater z (VE, RM, MD) pH (standard) Total Suspended Solids (mg/L) Settleable Solids (mL/L) TPH usingDischarge method 1664A SGT-HEW (mg/L) Duration (minutes) Total Flow , (gallons/day) - - - 6-93.4 303'5 53 (15)r' - - 01 NO DISCHARGE 41-1 17%I k_.1 t:. V CI`.a .111 .k i �G1 �" f CENTRAL F LE S (7), An h DWR SECT ON FV% 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. 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. ° pH limits are 6-9 S.U. for wastewater discharges to freshwaters, and 6.8-8.5 S.U. for discharges to saltwaters. Permit Date: 7/1/2010-06/30/2015 Last Revised 07/13/11 Page 1 of 2 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 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. 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_C_A_ SE OF "NO FLOW") TO: Division of Water Quality Attn: DWQ Central Files 1617 Mail Service Center Raleigh, North Carolina 27699-1617 (919)907-6379 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 complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." 12/31/2016 Permit Date: 7/1/2010-06/30/2015 Last Revised 07/13/11 Page 2 of 2 PROCESS WASTEWATER — Quarterly Discharge Monitoring Report GENERAL PERMIT NO. NCC3140000 CERTIFICATE OF COVERAGE NO. NCGi14140418 FACILITY NAME: _Thomas Concrete of Carolina- Knightdale Plant PERSON COLLECTING SAMPLES: Susan Bostian CERTIFIED LABORATORY: ESC Lab # ENV375_ Q3 Lab # LIMIT VIOLATIONS? YES ❑ NO Part A. Wastewater Monitoring Requirements SAMPLE COLLECTION YEAR: 2016 SAMPLE QUARTER: ®Jul -Sept ❑Oct -Dec ❑Jan -March ❑April -June COUNTY: Wake PHONE NO. (_919 _) 557-3144 ADD TO LISTSERVE? ❑YES ®NO EMAIL: DISCHARGING TO CLASS: [:]SA ❑HQW ❑PNA ❑Trout ®Other OPTIONAL INFO: Outfall No. Date Sample 1 Collected (mm/dd/yr) Type of Wastewater (VE, RM, MD)' pH (standard) Total Suspended Solids (mg/L) Settleable Solids (mL/L) TPH usingDischarge method 1664A SGT-HFM6 (mg/L) (minutes) Total Flow 7 (gallons/day ) - - - 6-93,4 303 s 53 (15)6 - 01 NO DISCHARGE Ear wii:ierN 1 v L_ LP+ vvv � =i,i iviv ' 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. 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. Permit Date: 7/1/2010-06/30/2015 Last Revised 07/13/11 Page 1 of 2 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. 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 complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." 9/30/2016 Permit Date: 7/1/2010-06/30/2015 Last Revised 07/13/11 Page 2 of 2 PROCESS WASTEWATER — Quarterly Discharge Monitoring Report GENERAL PERMIT No. NCG140000 CERTIFICATE OF COVERAGE NO. NCG14140418 SAMPLE COLLECTION YEAR: 2016 FACILITY NAME: Thomas Concrete of Carolina- Knightdale Plant SAMPLE QUARTER: ❑Jul -Sept ❑Oct -Dec ❑Jan -March ®April -June PERSON COLLECTING SAMPLES: Susan Bostian COUNTY: Wake CERTIFIED LABORATORY:_ESC Lab # ENV375__ June WW Sampling —Lab # LIMIT VIOLATIONS? YES []NO Part A: Wastewater Monitoring Requirements PHONE NO. (_919 _)557-3144 ADD TO LISTSERVE? ❑YES ®NO EMAIL: DISCHARGING TO CLASS: []SA ❑HQW ❑PNA []Trout ®Other OPTIONAL INFO: Outfall No. Date Sample 1 Collected (mm/dd/yr) Type of Wastewater (VE, RM, MD)' pH (standard) Total Suspended Solids (mg/L) Settleable Solids (mL/L) TPH usingDischarge method 1664A S (mg/LM" Duration (minutes) Total Flow � {gallons/day) - - - 6-93'4 303'S 53 (15)6 - - 01 NO DISCHARGE r. �..-rr. n l r•1 rn V L.IV I IVti 1 1_♦_V htihrT'] CCf-`7 rlAl 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. 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. 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. Permit Date: 7/1/2010-06/30/2015 Last Revised 07/13/11 Page 1 of 2 s TSS I"smits 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_ 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 complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." 17-j4fi 6/30/2016 Permit Date: 7/1/2010-06/30/2015 61 Last Revised 07/13/11 Page 2 of 2 PROCESS WASTEWATER -- Quarterly Discharge Monitoring Report GENERAL PERMIT No. NCG140000 CERTIFICATE OF COVERAGE NO. NCG14140418 SAMPLE COLLECTION YEAR: 2016 FACILITY NAME: _Thomas Concrete of Carolina- Knightdale Plant SAMPLE QUARTER: []Jul -Sept []Oct -Dec ®Jan -March ❑April -June PERSON COLLECTING SAMPLES: Susan Bostian COUNTY: Wake CERTIFIED LABORATORY:_ESC Lab # ENV375_ Lab # LIMIT VIOLATIONS? YES ❑ NO Part A: Wastewater Monitoring Requirements PHONE NO. (_919 _) 557-3144 ADD TO LISTSERVE? []YES ®NO EMAIL: DISCHARGING TO CLASS: ❑SA ❑HQW ❑PNA ❑Trout ®Other OPTIONAL INFO: Outfall No. Date Sample 1 Collected (mm/dd/yr) Type of Wastewater (VE, RM, MD]Z pH (standard] Total Suspended Solids (mg/L) Settleable Solids (mL/L) TPH usingDischarge method 1664A 5GT-HEM6 (mg/L) Duration (minutes) Total Flow (gallons/day)7 - - - 6-93,4 303.5 53 (15)5 - - 01 NO DISCHARGE 1 3 MIS CENTRALMAY FILES 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. z Report the abbreviation for the type of Authorized Wastewater Discharges here: Vehicle and Equipment Cleaning (VE), Raw Material Stockpiles (RM), Mixing Drum Cieanout (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. Permit Date: 7/1/2010-06/30/2015 Last Revised 07/13/11 Page 1 of 2 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. 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 CERTIFIG4 TION 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." , Ca,k*& (Signature of Permittee) Permit Date:7/1/2010-06/30/2015 4/30/2016 (Date) Last Revised 07/13/11 Page 2 of 2 STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM GENERAL PERMIT NO. NCG140000 F�LE CERTIFICATE OF COVERAGE NO. NCG140418 SAMPLE COLLECTION YEAR: 2015 FACILITY NAME: Thomas Concrete of Carolina-Knightdale Plant_ SAMPLING PERIOD: ® July -December ❑ January -June PERSON COLLECTING SAMPLES Susan Bostian - COUNTY Wake CERTIFIED LABORATORY ESC Lab # ENV 375 PHONE NO. (919) 217-2946 Lab # ADD TO LISTSERVE? DYES ®NO EMAIL: OPTIONAL INFO: DISCHARGING TO CLASS: ®SA ❑HQW Part A: Stormwater Monitoring Requirements ❑PNA ❑Trout [-]Other Outfall No. Date Sample Collected (mo/dd/yr OR NO FL0W)1 pH (Standard units) TSS (mg/L) Event Duration (minutes) Total , Rainfall (in) In Tier 2 Monthly Monitoring) (y/n) # of Months in Tier 2 Samplingz - 6-92 100 . - - - - 001 No Discharge 0 N 016 C DWR S ECTION ' 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 T55 benchmark values are 100 mg/!, except when discharging to ORW, HOW, Trout, and PNA waters where they are 50 mg/l. "For each sampled measurable storm event the total precipitation must be recorded using data from an on -site rain gauge. 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. Outfali No. Date Sample Collected {mo/dd/yr)1 pH (Standard Units) TPH using method 16b4ASGT--HEM (mg/LJ Total Suspended Solids {mg/LJ 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 z Sampling 6-9 15 100 ' - - - - - 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 Discharae" renortsl within 30 days of receipt of sample for 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. I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." (Signature of Pe►mittee) Permit Date: 7/1/2011-60/30/2015 1/31/2016 (Date) Last Revised 7/13/11 Page 2 of 2 PROCESS WASTEWATER — Quarterly Discharge Monitoring Report GENERAL PERMIT NO. NCG140000 NCC-I'fd�I S CERTIFICATE OF COVERAGE NO. 18---� FACILITY NAME: Thomas Concrete of Carolina- Knightdale Plant PERSON COLLECTING SAMPLES: Susan Bostian CERTIFIED LABORATORY: ESC Lab # ENV375_ Lab # LIMIT VIOLATIONS? YES ❑ NO Part A: Wastewater Monitoring Requirements SAMPLE COLLECTION YEAR: 2015 SAMPLE QUARTER: ❑Jul -Sept ®Ott -Dec ❑Jan -March ❑April -June COUNTY: Wake a^ PHONE NO. (_919 _)557-3144 �� ADD TO USTSERVE? [—]YES ®NO EMAIL: r" o DISCHARGING TO CLASS: [:]SA❑HQW ❑PNA [:]Trout ®Other r" OPTIONAL INFO: Date Sample Total Suspended Settleable TPH using Discharge Flow , T-HEIVT� 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. 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. 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. Permit Date: 7/1/2010-06/30/2015 Last Revised 07/13/11 Page 1 of 2 e 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. 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 L 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 „ .R complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." I�,� (Signature of Permittee) Permit Date: 7/1/2010-06/30/2015 12/28/2015 (Date) Last Revised 07/13/11 Page 2 of 2 STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM GENERAL PERMIT NO. NCG140000 CERTIFICATE OF COVERAGE NO. NCG140418 FACILITY NAME: Thomas Concrete of Carolina-Knightdale Plant_ PERSON COLLECTING SAMPLES Susan Bostian CERTIFIED LABORATORY ESC Lab # ENV 375� Lab # OPTIONAL INFO: July Sampling Event Part A: Stormwater Monitoring Requirements SAMPLE COLLECTION YEAR: 2015 SAMPLING PERIOD: ® July -December COUNTY Wake PHONE NO. (919) 217-2946 ADD TO LISTSERVE? []YES ®NO EMAIL: DISCHARGING TO CLASS: ®SA ❑HQW RECEIVED SEP 17 2015 January -June CENTRAL FILES DWR SECTION ❑PNA ❑Trout ❑Other Outfall No. Date Sample Collected (mo/dd/yr OR NO FLOW)1 pH (Standard Units) TSS (mg/L) Event Duration (minutes) Total Rainfall a (in) In Tier 2 Monthly Monitoring? (y/n) # of Months in z Tier 2 Sampling - - 6-9 100 , - - - - 001 No Discharge 0 N 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/I, except when discharging to ORW, HQW, Trout, and PNA waters where they are 50 mg/l. `For each sampled measurable storm event the total precipitation must be recorded using data from an on -site rain gauge. 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. 'S A Outfall No. Date Sample Collected 1 (mo/dd/yr) pH (Standard units) TPH using method 1664A SGT-HEM (mg/L) Total Suspended Solids (mg/L) Event Duration (minutes) Total Rainfall4 (in) New Motor Oil Usage (gal/month) 2 Tier In InTier# Monthly Monitoring? (y/n) of Months in Tier 2 Sampling2 6-9 15 100 ' - - - - - 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 Orieinal and one coov of this DMR (includine all "No Flow" & "No Discharee" reports) within 30 days of receipt of sample for 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 responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete am aware thjere are significant�penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." 9/9/2015 (Signature of Permittee) (Date) Permit Date: 7/1/2011-60/30/201S Last Revised 7/13/11 Page 2 of 2 PROCESS WASTEWATER — Quarterly Discharge Monitoring Report t `• GENERAL PERMIT No. NCG140000 CERTIFICATE OF COVERAGE NO. NCG14140418 SAMPLE COLLECTION YEAR: 2015 r� FACILITY NAME: _Thomas Concrete of Carolina- Knightdale Plant SAMPLE QUARTER: []Jul -Sept ❑Oct -Dec ®Jan -March ❑April -June r1 PERSON COLLECTING SAMPLES: Click here to enter text. COUNTY: Harnett C' CERTIFIED LABORATORY:_ESC Lab # ENV375 PHONE NO. (_919 _) 557-3144 Lab # ADD TO LISTSERVE? ❑YES ®NO EMAIL: LIMIT VIOLATIONS? YES ❑ NO ® DISCHARGING TO CLASS: ❑SA ❑HQW ❑PNA [—]Trout ®Other_m4 OPTIONAL INFO: Part A: Wastewater Monitoring Requirements Outfall No. Date Sample 1 Collected (mm/dd/yr) Type of Wastewater z (VE, RM, MD} pH {standard} Total Suspended Solids (mg/L) Settleable Solids (mL/L) TPH usingDischarge method 1664A 6 SGT-HEM (mg/L) Duration {minutes} Total Flow 7 {gallons/day} - - - 6-93.4 303.5 53 (15)6 - - 01 NO DISCHARGE 1 If wastewater systems have not discharged in this quarter — report "No Flow" of "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. 31f an effluent limit is exceeded twice in a row, the perrnittee 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. Permit Date: 7/1/2010-06/30/2015 Last Revised 07/13/11 Page 1 of 2 e 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. Flo:,jr�te 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. MAIL ORIGINAL AND ONE COPY OF THIS ANNUAL SUMMARY (INCLUDING ALL "NO FLOW", "NO DISCHARGE") WITHIN 30 DAYS OF RECEIPT OF 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 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 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." _ (Signature of Permittee) Permit Date:7/1/2010-06/30/2015 3/31/2015 (Date) Last Revised 07/13/11 Page 2 of 2 STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM GENERAL. PERMIT NO. NC6140000 CERTIFICATE OF COVERAGE NO. NCG140418 FACILITY NAME: Thomas Concrete of Carol ina-Knightdale Plant_ PERSON COLLECTING SAMPLES Susan Bastian CERTIFIED LABORATORY ESC Lab # ENV 375_ Lab # OPTIONAL INFO: August Sampling Event Part A: Stormwater Monitoring Requirements SAMPLE COLLECTION YEAR: 2015 SAMPLING PERIOD: ® July -December ❑ January -June COUNTY Wake PHONE NO. (919) 217-2946 ADD TO LISTSERVE? ❑YES ®NO EMAIL: DISCHARGING TO CLASS: ®SA ❑HQW ❑PNA ❑Trout mllloi 01M []Other C= C.A Outfall No. Date Sample Collected ( mo/dd/yr OR NO FLOW); pH {Standard Units) TSS (mg/L) Event Duration {minutes) Total 4 Rainfall (in) In Tier 2 Monthly � Monitoring. (y/n) # of Months in Tier z 2 Sampling - - 6-9 100 ' - - - 001 No Discharge 0 N n r r7 CENTRAL 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/I, except when discharging to ORW, HQW, Trout, and PNA waters where they are SO mg/I. "For each sampled measurable storm event the total precipitation must be recorded using data from an on -site rain gauge. I" W .j LAM VED 2015 =ILES TION 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. f- • :r Out#all 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 Rainfalla [in) New Motor Oil Usage (gal/month) In Tier 2 Month) y Monitoring? [y/n) # of Months in Tier Z z Sampling 6-9 15 100 ' - - - - - HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES AT ANY ONE DUTFALL (INCLUDING VEHICLE MAINTENANCE)? YES ❑ NO HAVE YOU CONTACTED THE REGION? YES [—]NO REGIONAL OFFICE CONTACT NAME: Mail Original and one coov of this DMR (including all "No Flow" & "No Discharge" reports) within 30 days of receipt of sample for 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 theM are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." _ �p� c - Ga9/9/2015 (Signature of Permittee) 0 (Date) 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 N� NCGIAnn n RECEIVED N CERTIFICATE OF COVERAGE NO. FACILITY NAME: Thomas Concrete of Carolina- Knightdale Plant PERSON COLLECTING SAMPLES: Susan Bostian CERTIFIED LABORATORY:_ESC Lab # ENV375 Lab # LIMIT VIOLATIONS? YES [:]NO Part A: Wastewater Monitoring Requirements SAMPLE COLLECTION YEAR: 2015 SAMPLE QUARTER: ❑Jul -Sept ❑Oct -Dec COUNTY: Wake PHONE NO. (_919 _J 557-3144 ADD TO LISTSERVE? ❑YES ®NO EMAIL: _ AUG 0 7 2015 CENTRAL FILES jWR SECfiTIC Jan -Marc April -June DISCHARGING TO CLASS: ❑SA ❑HQW ❑PNA ❑Trout ®Other OPTIONAL INFO: Outfall No. Date Sample Collected 1 (mm/dd/yr) Type of Wastewater (VE, RM, MD)2 pH (standard) Total Suspended Solids (mg/L) Settleable Solids (mL/L) TPH usingDischarge method 1664A SG (mgg/L}/L)16 Duration (minutes) Total Flow (gallons/day)' - - - 6-9a,4 303,5 53 (15)6 _ - 01 NO DISCHARGE 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. 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. '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. Permit Date:7/1/2010-06/30/2015 Last Revised 07/13/11 r*t Page 1 of 2 e 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. 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 8"VA"ttn: DWQ Central Files 617 Mail Service Center Raleigh, North Carolina 27699-1617 U. 919) 807-6379 C. 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 vielatinns_" (Signature of Permittee) Permit Date:7/1/2010-06/30/2015 7/31/2015 (Date) Last Revised 07/13/11 Page 2 of 2 STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM GENERAL PERMIT NO. NCG140000 CERTIFICATE OF COVERAGE NO. NCG140418 FACILITY NAME: Thomas Concrete of Carolina-Knightdale Plant_ PERSON COLLECTING SAMPLES Andrew Rodak CERTIFIED LABORATORY ESC Lab # ENV 375_ Lab # OPTIONAL INFO: Part A: Stormwater Monitoring Requirements SAMPLE COLLECTION YEAR: 2014 SAMPLING PERIOD: ® July -December ❑ January -June COUNTY Wake PHONE NO. (919) 217-2946 ADD TO LISTSERVE? ❑YES ®NO EMAIL: DISCHARGING TO CLASS: ®SA ❑HQW ❑PNA ❑Trout []Other. Outfall No. Date Sample Collected (mo/dd/yr OR i NO FLOW) pH (Standard Units) TSs (mg/L) Event Duration (minutes) Total 4 Rainfall (in) In Tier 2 Monthly Monitoring? Wn) # of Months in Tier 2 Sampling= - 6-9 100 - - - - 001 No Discharge 0 N A MAR 18 2015 (PhITPAI K I WR SECTION ' 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. 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. TSS benchmark values are 100 mg/l, except when discharging to ORW, HQW, Trout, and PNA waters where they are 50 mg/l. 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 V 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/yrj' PH (Standard Units) TPH using method 2664A SGT HEM (mg/L) Total Suspended Solids (mg/L) Event Duration (minutes) Total . Rainfall (in) New Motor Oil Usage {gal/month} In Tier 2 Monthly Monitoring? iy/n} ti of Months in Tier 2 2 Sampling 6-9 15 lo0 - - - - - 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 cony of this DMR {including all "No Flow" & "No Discharge" reports) within 30 days of receipt of sample for 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 MUSTSIGN 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 tAre ar,p-;ignifi an penalties fpr submitting false information, including the possibility of fines and imprisonment for knowing violations." (Signature of Permittee) 3/10/2015 (Date) 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. NCG140000 CERTIFICATE OF COVERAGE NO. NCG14140418 FACILITY NAME: Thomas Concrete of Carolina- Knightdale Plant PERSON COLLECTING SAMPLES: Click here to enter text. CERTIFIED LABORATORY:_ESC Lab # ENV375 Lab # LIMIT VIOLATIONS? YES ❑ NO Part A: Wastewater Monitoring Requirements SAMPLE COLLECTION YEAR: 2014 SAMPLE QUARTER: ❑Jul -Sept ❑Oct -Dec COUNTY: Harnett PHONE NO. (_919 _)557-3144 ADD TO LISTSERVE? DYES ®NO EMAIL:_ RECEIVED JUL 07 r. u j= CENTRAL FILEC DWQ/BOG ❑Jan -March ®April -June DISCHARGING TO CLASS: ®SA ❑HQW ❑PNA ❑Trout ❑Other OPTIONAL INFO: Outfall No. Date Sample 1 Collected (mm/dd/yr) Type of Wastewater (VE, RM, MD)' pH (standard) Total Suspended Solids (mg/L) Settleable Solids (mL/L) TPH usingDischarge method 1664A SGT-HEA4' (mg/L) Duration (minutes) Total Flow , (gallons/day) - - - 6-93'4 303,5 53 (1S)r, - - 01 NO DISCHARGE e f"gMTRAU Fill c 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. " 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. Permit Date: 7/1/2010-06/30/2015 Last Revised 07/13/11 Page 1 of 2 a 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. 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 complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations." A (Signature of Permittee) Permit Date: 7/1/2010-06/30/2015 6/30/2014 (Date) Last Revised 07/13/11 Page 2 of 2 STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM GENERAL PERMIT NO. NCG140000 CERTIFICATE OF COVERAGE NO. NCG1'4041$' FACILITY NAME: Thomas Concrete of Carolina-Knightdale Plant_ PERSON COLLECTING SAMPLES Andrew Rodak CERTIFIED LABORATORY ESC Lab # ENV 375_ Lab # OPTIONAL INFO: Part A: Stormwater Monitoring Requirements SAMPLE COLLECTION YEAR: 2014 SAMPLING PERIOD: ❑ July -December ® January -June COUNTY Wake PHONE NO. (919) 217-2946 ADD TO LISTSERVE? []YES ®NO EMAIL: DISCHARGING TO CLASS, ®SA ❑HQW ❑PNA RECEIVED JUL 07 2014 CENTRAL FILES DWQ/BOG ❑Trout ❑Other, Outfall No. Date Sample Collected [mo/dd/yr OR NO FLOW)' pH (Standard Units) TSS (mg/L) Event Duration (minutes) Total 4 Rainfall (in) In Tier 2 Monthly Monitoring (Y/n) # of Months in Tier 2 2 Sampling - - 6-9 100 , - - - 001 No Discharge 0 N 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/I, except when discharging to ORW, HQW, Trout, and PNA waters where they are 50 mg/l. 4 For each sampled measurable storm event the total precipitation must be recorded using data from an on -site rain gauge. 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 (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 z Sampling 6-92 15 2 1002 - - - - - 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 ail "No Flown' & "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. I am aware that tore areAnificar�enalties fWr s4mitting false information, including the possibility of fines and imprisonment for knowing violations." V1 {Signature of Permit Date:7/1/2011-60/30/2015 6/30/2014 (Date) Last Revised 7/13/11 Page 2 of 2