NCG140078 DMR SW (3)

STORMWATER DISCHARGE OUTFALL (SDO) - Semi-Annual MONITORING FORM
GENERAL PERMIT NO. NCG140000 '7Orig-State
0 Copy-State
0 Copy-Plant
CERTIFICATE OF COVERAGE NO. NCGMINemi SAMPLE COLLECTION YEAR:2016 0 Copy-File
FACILITY NAME: Chandler Concrete Co.-Madison Plant#106 SAMPLING PERIOD: ❑July-December ®January-June
PERSON COLLECTING SAMPLES: COUNTY Rockingham
CERTIFIED LABORATORY:Pace Analytical Lab#633 PHONE NO. [phone]
OPTIONAL INFO: ADD TO LISTSERVE? OYES NO EMAIL: _
DISCHARGING TO CLASS: OSA ❑HQW ❑PNA ❑Trout ®Other: C
Part A:Stormwater Monitoring Requirements
Date Sample In Tier 2
Collected pH Event Total
Outfall No. (Standard TSS Duration Rainfall
Monthly #of Months inTier
(mo/dd/yr OR (mg/L) Monitoring? 2 Sampling
NO FLOW)' Units) (minutes) (in) (yi
n)
6-92 1002'3 - - - -
1 05/17/16 9.0 14.2 120Min. .6" N N/A
Discharge due to storm event,PW commingles w/SW
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 Samplea Monthly
(Standard 1664A SGT-HEM Solids Duration Rainfall Usage in Tier 2
No. Collected " Monitoring? 2
(mo/dd/yr)1 Units) (mg/L) (mg/L) (minutes) (in) (gal/month) (Yin)
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 ❑ 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 respo, 'le for gathering the information,the information submitted is,to the best of my knowledge and belief,true,accurate,and complete. I
am aware that th- fican rialtje for submitting false information,including the possibility of fries an imprisonment for knowing violations."
✓ � Z7 4
(Signatct a of Permittee) ( te)
Permit Date:7/1/2011-60/30/2015 Last Revised 7/13/11
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