NCG140232 DMR SW

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FO
GENERAL PERMIT NO. NCG140000
F
0
0
CERTIFICATE OF COVERAGE NO. NCG14 0 2 3 2
FACILITY NAME: Chandler Concrete Co. - Greensboro Pit 103.
PERSON COLLECTING SAMPLES:
CERTIFIED LABORATORY:Pace Analytical Lab #633
OPTIONAL INFO:
Part A: Stormwater Monitorine Reauirements
Orig - State
Copy - State
Copy - Plant
SAMPLE COLLECTION YEAR:2014-2015 0 Copy -File
SAMPLING PERIOD: 0 July -December ❑ January -June
COUNTY Guilford
PHONE NO. ( 336) 294 - 3299
ADD TO LISTSERVE? []YES ❑NO EMAIL: _
DISCHARGING TO CLASS: ❑SA ❑HQW ❑PNA ❑Trout ®Other: WS -III,
NSW
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
Monitoring?
(y/n)
# of Months in Tier
2
2 Sampling
-
6-92
1002,3
-
-
-
-
1
NO FLOW
-
-
-
N
N/A
Discharge due to storm event, PW commingles w/ SW
Due to limited operations a qualifying sample could not be obtained this period.
GEPD
If "NO FLOW" or "NO
DISCHARGE. Enter "NO
FLOW" or "NO DISCHARGF" for each nutfall here. Please make wep to mark the camnle nerind ahnve
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.
"For each sampled measurable storm event the total precipitation must be recorded using data from an on-site rain gauge.
EIVED
:B :0 3 2016
ITRAL FILES
R SECTION
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 Sam le
P
Collected1
(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
I
Monthly
Monitoring?
Of/n)
# of Months
in Tier 2
Sampling2
6-92
152
1002'
-
-
-
-
N/A*
*Vehicle Maintenance Not Performed
at this Location
HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES AT ANY ONE OUTFALL (INCLUDING VEHICLE MAINTENANCE)?
HAVE YOU CONTACTED THE REGION? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
i" & "No Dischar
in case of "No Flow") to:
Division of Water Quality
Attn: DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
i
YES ❑ NO
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 managelthe system, or
those persons directly respo le for gatherin the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am aware that ther ican enaltie or submitting false information, including the possibility of fines and imprisonment for knowing violation ns.
i z7 a
(Signature of Permittee) (ate)
Permit Date: 7/1/2011-60/30/2015I Last Revised 7/13/11
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