NCG140082 DMR SW

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING
GENERAL PERMIT NO. NCG140000
CERTIFICATE OF COVERAGE NO. NCG14 0 0 8 2
FACILITY NAME: Chandler Concrete Co. — Greensboro Pit 102
PERSON COLLECTING SAMPLES: Brian Marsh RECEIVED
CERTIFIED LABORATORY:Pace Analytical Lab #633
OPTIONAL INFO: JUL 31 2015
CENTRAL FILES
Part A: Stormwater Monitoring Requirements DWR SECTION
SAMPLE COLLECTION YEAR:2014-2015
SAMPLING PERIOD: ❑ July -December
COUNTY Guilford
FORM
,0"" Orig -State
0 Copy - State
0 Copy - Plant
0 Copy - File
® January -June
PHONE NO. ( 336) 297 -1179
ADD TO LISTSERVE? []YES [-]NO EMAIL: _
DISCHARGING TO CLASS: ❑SA ❑HQW ®PNA ❑Trout ®Other: WS-IV.zm.
NSW
Outfall No.
Date Sample
Collected
(mo/dd/yr OR
NO FLOW)
pH
(Standard
Units)
TSS
(mg/L)
Event
Duration
(minutes)
)
Total 4
Rainfall
(in)
In Tier 2
Monthly
Monitoring?
(y/n)
# of Months in Tier
2 Sampling2
-
-
6-92
1002'
1
No Flow
_
-
_
N
N/A
No Discharge Observed during this
period
If "NO FLOW" or "NO DISCHARGE, Enter "NO
FLOW" or "NO
DISCHARGE" for each nutfall here. Please maks dire to mark
tha camnla narinrl nhn„o
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.
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
Page 1 of 2

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 Total Suspended
1664A SGT -HEM Solids
(mg/L) (mg/L)
Event Total
a
Duration Rainfall
(minutes) (in)
New Motor Oil
Usage
(gal/month)
In Tier 2
Monthly
Monitoring?
(y/n)
# of Months
in Tier 2
Sampling2
6-92
15 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)? 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 per onnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons i:flrutVjksp01RsibIe for athering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
am awar th r gn' cant naltie for submitting false information, including the possibility of fines and imprisonment for knowing violations."
7
(Signature of Permittee) (ate)
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
Page 2 of 2