NCG140332 DMR SW

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE NO. NCG14 0 3 3 2 SAMPLE COLLECTION YEAR: 2015
FACILITY NAME: POWELL'S READY -MIX CONCRETE SAMPLING PERIOD: ❑ July -December ® January-��
PERSON COLLECTING SAMPLES J D Frei/ SwSG
CERTIFIED LABORATORY Pace Analytical Lab # 40
SwSG Lab # 5054
OPTIONAL INFO:
Part A: Stormwater Monitoring Requirements
COUNTY HALIFAX CEIVED
PHONE NO. [phone] MAY 0 4 2015
ADD TO LISTSERVE? []YES ®NO EMAIL:
DISCHARGING TO CLASS: ❑SA ❑HQW ❑PNA ❑VpOrtI�L�
SWR SE TIION
Outfall No.
Date Sample
Collected
(mo/dd/yr OR
NO FLOW)1
pH
(Standard
Units)
TSS
(mg/L)
Event
Duration
(minutes)
Total
Rainfall°
(in)
In Tier 2
Monthly # of Months inTier
Monitoring? 2 Sampling
(y/n)
-
-
6-9
100"
-
-
- -
001
04/19/15
7.63
226
+/-360
0.69"
N 0
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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/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
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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
Collected1
(mo/dd/yr)
pH
(Standard
Units)
6-9
TPH using method
1664A SGT -HEM
(mg/L)
15
Total Suspended Event
Solids Duration
(mg/L) (minutes)
100 ' -
Total
a
Rainfall
(in)
-
New Motor Oil In Tier 2 # of Months
Monthly
Usage in Tier 2
(gal/month) Monitoring? Sampling=
(y/n)
- - -
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 copv 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 nalti r submitting false information, including the possibility, of fines and impris_nment for knowing violations.
(Signature of
Permit Date: 7/l/2011-60/30/2015
(Date)
Last Revised 7/13/11
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