HomeMy WebLinkAboutNCG140078 DMR SW (2) STORMWATER DISCHARGE OUTFALL (SDO) - Semi-Annual MONITORING FOR
GENERAL PERMIT NO. NCG140000 ,tS Ori g—State
0 Copy—State
0 Copy—Plant
CERTIFICATE OF COVERAGE NO. NCG14 0 0 7 8 � SAMPLE COLLECTION YEAR:2015 0 Copy-File
FACILITY NAME: Chandler Concrete Co.—Madison Plarl ECEI VREMPLING PERIOD: ❑July-December ®January-June
PERSON COLLECTING SAMPLES: JUL 201COUNTY Rockingham
CERTIFIED LABORATORY:Pace Analytical Lab#633 HONE NO. (336)548-4299
OPTIONAL INFO: CENTRP,L EiLE D TO LISTSERVE? OYES NO EMAIL: _
DWR SECTIOt ISCHARGING TO CLASS: LISA HQW ❑PNA ❑Trout ®Other: C
Part A:Stormwater Monitoring Requirements
Date Sample In Tier 2
Collected pH TSS Event Total
Outfall No. (Standard Duration Rainfall Monthly #of Months in Tier
(mo/dd/yr OR Units) (mg/L) (minutes Monitoring? 2 Sampling2
NO FLOW) ) (in) (Y/n)
- - 6-92 1002'3 - - - -
No Flow 0Min. N N/A
No Qualifying Discharge this Period
i
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.
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
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Part B: Vehicle Maintenance Activity Monitoring Requirements for facilities using>55 gal of new motor oil/month—averaged over a calendar year.
In Tier 2
pH TPH using method Total Suspended Event Total New Motor Oil #of Months
Outfall Date Sample a Monthly
(Standard 1664A SGT-HEM Solids Duration Rainfall Usage in Tier 2
No. Collected Units) (mg/L) (mg/L) (minutes) (in) (gal/month) Monitoring? Sampling2
(mo/dd/yr) (y/n)
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 ❑ 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 r- sibl r gather' g the information,the information submitted is,to the best of my knowledge and belief,true,accurate,and complete. I
am aware tha .= - e,." ,;gni c t .enalti. for submitting false information,including the possibility of fines a imprisonment for knowing violations."
e1,1 f
(Signat le of Permittee) / (D te)
Permit Date:7/1/2011-60/30/2015 Last Revised 7/13/11
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