HomeMy WebLinkAboutNCG140210 DMR WWSTORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE NO. NCG14 0 210
FACILITY NAME: Chandler Concrete Company - Haw River Pit. 609
PERSON COLLECTING SAMPLES: Tim Light
CERTIFIED LABORATORY:Pace Analytical Lab #RECEIVED
OPTIONAL INFO:
JUL 3 1 2015
Part A: Stormwater MonitoringRequirements CENTRAL FILES
4 rl1A/L7 c�-rrrsi.. .
SAMPLE COLLECTION YEAR:2014-2015
SAMPLING PERIOD: ❑ July -December
COUNTY Alamance
PHONE NO.( 336) 578 - 2912
ADD TO LISTSERVE? ❑YES ®NO EMAIL:
DISCHARGING TO CLASS: ❑SA ❑HQW
NSW
FORM
,,e'Ng - State
0 Copy - State
0 Copy - Plant
0 Copy - File
® January -June
❑PNA ❑Trout ®OtherWS-V
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/l, except when discharging to ORW, HQW, Trout, and PNA waters where they are 50 mg/I.
4 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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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
Z
Tier 2 Sampling
-
-
6-9Z
100 ,3
-
-
-
-
1
5/1/15
7.9
51.4
185
2.0
N
N/A
Discharge due to storm event/PW
commingles with SW
SW and PW samples share same outfall
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/l, except when discharging to ORW, HQW, Trout, and PNA waters where they are 50 mg/I.
4 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)
TPH using method
1664A SGT -HEM
(mg/L)
Total Suspended
Solids
(mg/L)
Event
Duration
(minutes)
Total
a
Rainfall
(in)
New Motor Oil
Usage
(gal/month)
In Tier 2
Monthly
Monitoring?
(y/n)
# of Months
in Tier 2
Sampling2
6-9
152
100 '
-
-
-
-
-
1
N/A
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 Orieinal 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 pe onnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons direc spon ible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete
am aware t re . ni i ant penalties for submitting false information, including the possibility10Z
'e/an mprisonment for knowing violations."
7Y
(Signature o Permittee) (D te)
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
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