NCG140100 DMR SW

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE NO. NCG14 010 0 SAMPLE COLLECTION YEAR:2014-2015
FACILITY NAME: Chandler Concrete Company - Blowing Rock 502 SAMPLING PERIOD: ❑ July -December ® January -June
PERSON COLLECTING SAMPLES: Sam Thompson COUNTY O.
(g2a
828'
CERTIFIED LABORATORY:BIue Ridge Labs Inc. Lab #275 PHONE NOO. () 264 - 2901
Lab # ADD TO LISTSERVE? []YES ®NO EMAIL: _
OPTIONAL INFO: DISCHARGING TO CLASS: ❑❑❑
SA
HQW PNA ®Trout ®Other: WS -IV
Part A: Stormwater Monitoring Requirements
Outfall No.
Date Sample
Collected
(mo/dd/yr OR
NO FLOW)1
pH
(Standard
Units)
Event
TSS
Duration
(mg/L)
(minutes)
In Tier 2
Total
a Monthly
Rainfall
Monitoring?
(in) (y/n)
# of Months in Tier
2
2 Sampling
-
-
6-9
100 , -
- -
-
1
NO FLOW
Y
12+
CENTRAL F LES
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. Original - State
For each sampled measurable storm event the total precipitation must be recorded using data from an on-site rain gauge. ❑ Copy - State
❑ Copy - Plant
❑ Copy - File
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 1
(mo/dd/yr)
pH
(Standard
Units)
TPH using method
1664A SGT -HEM
(mg/L)
Total Suspended
Solids
(mg/L)
Event
Duration
(minutes)
Total
,
Rainfall
(in)
New Motor Oil
Usage
(gal/month)
In Tier 2
Monthly
Monitoring?
(Y/n)
# of Months
in Tier 2
Sampling2
6-9Z
15
100 ,
-
-
-
-
NOT
APPLICABLE
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 perso nel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directiy r onsible for gat ring the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware that the r signi pen7--f,
s or submitting false information, including the possibility of ines d imprisonment for knowing violations."
zzZ fI f
(Sign ture of Permittee) ( te)
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
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