NCG140386 DMR SW

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE NO. NCG14 0 3 8 6 SAMPLE COLLECTION YEAR: 2015
FACILITYNAME: Concrete Service Co. Plant No. 2 SAMPLING PERIOD: 1:1 July -December ❑X January -June
PERSON COLLECTING SAMPLES Winnie Jenkins COUNTY Cumberland
CERTIFIED LABORATORY Pace Analytical Lab # 12 PHONE NO.( 910 ) 323-9198
Lab # ADD TO LISTSERVE? ❑YES X❑NO EMAIL:
OPTIONAL INFO: DISCHARGING TO CLASS: [-]SA ❑HQW ❑PNA [-]Trout ®Other c; NSW
Part A: Stormwater Monitoring Requirements
Date Sample
Collected
Outfall No.
(mo/dd/yr OR
NO FLOW)1
PH
(Standard
Units)
TSS
(mg/L)
Event
Duration
(minutes)
Total
a
Rainfall
(in)
In Tier 2
Monthly # of Months in Tier
Z
Monitoring? 2 Sampling
(y/n)
- -
6-92
1002'3
-
-
- -
001 04/07/2015
7.8
6.0
NA
0.10
No None
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, 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.
pH
Date Sample
(Standard
Collected1 Units)
(mo/dd/yr)
6-9
TPH using method
1664A SGT -HEM
(mg/L)
15
Total Suspended Event
Solids Duration
(mg/L) (minutes)
100 , -
Total New Motor Oil In Tier 2 # of Months
a Monthly
Rainfall Usage in Tier 2
(in) (gal/month) Monitoring? Sampling2
(y/n)
- - - -
HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES AT ANY ONE OUTFALL (INCLUDING VEHICLE MAINTENANCE)? YES ❑ NO ❑X
HAVE YOU CONTACTED THE REGION? YES ❑ NO ❑X
REGIONAL OFFICE CONTACT NAME: Paul E. Rawls, Fayetteville Regional Office
Mail Original and one copy of this DMR (including all "No Flow" & "No Discharge" reports) within 30 days of receipt of sample (or atend _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 pens ty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualifiep rson I properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons direty res ible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that th a re ficant penalties fo ubmitting false information, including the possibility of finesa d imprisonment for knowing violations."
8
(Signature of Permittee (Date)
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
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