NCG140051 DMR WW

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM
CERTIFICATE OF COVERAGE NO. NCG140051
FACILITY NAME: Gastonia
PERSON COLLECTING SAMPLES: Rik Jones
CERTIFIED LABORATORY: Prism Lab # 402
OPTIONAL INFO:
Part A: Stormwater Monitoring Requirements
GENERAL PERMIT NO. NCG140000
RECEIVE[)SAMPLE COLLECTION YEAR: 2015
JUL 2 4 2015 SAMPLING PERIOD: ❑ July -December
CENTRAL FILES
SWR SECTION
COUNTY Gaston
PHONE NO. [phone]
ADD TO LISTSERVE? ❑YES ®NO EMAIL:
DISCHARGING TO CLASS: []SA ❑HQW
® January -June
❑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
2 SamplingZ
-
-
6-9
100 ,
001
6/26/2015
No Flow
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, HOW, 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.
Outfall
No.
Date Sample
Collected
(mo/dd/yr)1
PH TPH using method
(Standard 1664A SGT -HEM
Units) (mg/L)
Total Suspended Event Total New Motor Oil In Tier 2 # of Months
Solids Duration Rainfall° Usage Monthly in Tier 2
Monitoring? 2
(mg/L) (minutes) (in) (gal/month) (y/n) Sampling
6-9 15
100 , - - - - -
001
9/23/14
No Flow
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: Mooresville NCDENR
Mail Original and one copy of this DMR (including all "No Flow" & "No Discharge" reports) within 30 dans 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 qual' ied personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those personstre_a
ctly res nsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
amjavre that ignificant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
of
( I l (-)—
(Date)
Permit Datek 7/1/2011-60/30/2015 Last Revised 7/13/11
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