NCG140086 DMR WW & SW

PROCESS- WASTEWATER —Quarterly Discharge Monitoring Report
GENERAL PERMIT No. NCG140000
CERTIFICATE OF COVERAGE NO. NCG14 0 0 8 6
FACILITY NAME: Chandler Concrete Piedmont - Pittsboro #111
PERSON COLLECTING SAMPLES: 1f
CERTIFIED LABORATORY:Pace AnaVtical Lab #633
LIMIT VIOLATIONS? YES ❑ NO
Part A: Wastewater Monitoring Requirements
1 If wastewater systems have not discharged in this quarter— report "No Flow" or "No Discharge" here. Please make sure to mark the sample quarter above.
2 Report the abbreviation for the type of Authorized Wastewater Discharges here: Vehicle and Equipment Cleaning (VE), Raw Material Stockpiles (RM), Mixing Drum
Cleanout (MD). Report more than one type if the waste -stream is commingled.
3 I an effluent limit is exceeded twice in a row, the permittee is required to institute monthly -monitoring for that parameter for six months, unless DWQ RO staff
Orig - State
0 Copy - State
0-. Copy - Plant
0_: Copy - File •
SAMPLE COLLECTION YEAR-
SAMPLE QUARTER: ❑Jul -Sept ®Oct -Dec Dian -March ❑April -June
COUNTY: Chatham
PHONE NO. ( 919) 542 - 0409
ADD TO LISTSERVE? ❑YES ®NO EMAIL:
DISCHARGING TO CLASS: DSA ❑HQW ❑PNA ❑Trout ®Other: WS -V
NSW
OPTIONAL INFO:
Outfall No
Date Sample �I
Collected) " Type of Wastewater
i
(VE, RM, MD)
mm dd r
Y
i
Total Suspended
pH
Solids
(standard)
(mg/L)
Settleable
Solids
(mL/L)
TPH using
method 1664A
6
SGT -HEM
(mg/L)
Discharge,
Total'Flow
Duration ,
(gallons/day)
(minutes);
3,4 3'5
30
3
S
)66-9
(15
1
NO FLOW VE RM MD
N/A
RE2,EIVED
FiR U-2-016
No•Qualifying Discharge this Period -
CENTRAL FILES
F.
'I UVVKZ)t4ItPN
notifies you to continue monitoring.
4 pH limits are 6-9 S.U. for wastewater discharges to freshwaters, and 6.8-8.5 S.U. for discharges to saltwaters.
5 TSS limits are 20 mg/L for wastewater discharges to HQW.waters, 10 mg/L for Trout and PNA waters, and 30 mg/L for all other water classifications.
6 Process wastewater discharges shall only be monitored for TPH when commingled with storrimwater discharges from VMA areas. TPH does not have a limit for wastewater,
but instead is subject to benchmarks and provisions of Part IV, Section A, including the Tiered Response Action.
' Flow rate can be measured continuously or calculated. Flow limits for wastewater discharges to HQW waters shall be set to 50% of the Summer 7Q10 Flow as per 15A
NCAC 02B .0224. Permittees who discharge wastewater to HQW waters shall obtain a Summer 7Q10 flow and report this information to DWQ: If the permittee cannot
obtain a Summer 7Q10 flow for the receiving waters at the discharge location, the permittee shall notify DWQ and the DWQ Regional Office may require an annual flow
report on a case-by-case basis.
Permit Date Last Revised 07/13/11
Page 1 of 2

MAIL ORIGINAL AND ONE COPY OF THIS ANNUAL SUMMARY (INCLUDING ALL "NO FLOW", "NO DISCHARGE") 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
[phone]
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 personsAirectly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and
complete. I am aware thhaat re are sign ifi ant penalties for submitting false information, including the possibility of fines and imprisonment for knowing
violations.
ire of Permittee) ( te)
Permit Date Last Revised 07/13/11
Page 2 of 2

STORMWATER DISCHARGE OUTFALL (SDO) - Semi -Annual MONITORING FORM
GENERAL PERMIT NO. NCG140000 Orig - State
0 Copy - State
0 Copy - Plant
CERTIFICATE OF COVERAGE NO.�NCG14 0 0 H 6 SAMPLE COLLECTION YEAR;20166 0 Copy - File
FACILITY NAME: Chandler Concrete Co. - Pittsboro #111
PERSON COLLECTING SAMPLES:
CERTIFIED LABORATORY:Pace Analytical Lab #633
OPTIONAL INFO:
Part A: Stormwater Monitorine Reouirements
SAMPLING PERIOD: ® July -December ❑ January -June
COUNTY Chatham
PHONE NO. ( 919) 542 - 4242
ADD TO LISTSERVE? []YES ®NO EMAIL: _
DISCHARGING TO CLASS: ❑SA ❑HQW ❑PNA ❑Trout ®Other: WS -V,
NSW
Outfall No.
DateSample''
Collected
(mo/dd/yr OR '
NO FLOW)' I,
pH '
(Standard
Units)
TSS
L
(m g/)
Event
Duration
(minutes)
Total 4
'Rainfall
(in) ;
In Tier 2
_ Monthly -
Monitoring?
(Y/n)
# of Months:in Tier
2
2Sampling
6-92
1002;3
1
NO FLOW
-
-
-
-
N
N/A
- A -N ...
No Qualifying Discharge this
Period
GENT
DWR
?016
ILES
'ION
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.
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
Page 1 of 2

Part B: Vehicle Maintenance Activitv Monitorine Requirements for facilities usine > 55 eal of new motor oil/month — averaeed over a calendar vear.
Outfall
No.
HAS--
Date Sample
Collected
1
(mo/dd/yr)
pH
(Standard
Units)
TPH using method
1664A SGT -HEM
(mg/L)
Total Suspended
Solids
(mg/L)
Event . Total
Duration Rainfalla
(minutes) (in)
New Motor Oil
Usage
(gal/month) _
In Tier 2
Monthly
Monitoring?
(y/n)
# of ;Months
in Tier 2
Z
Sampling
6-9Z
15?
1002,a
- - - N / A - - - No vehicle maintenance performed at facility ---
HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES AT ANYONE OUTFALL (INCLUDING VEHICLE MAINTENANCE)?- - YES ❑ NO 0
HAVE YOU CONTACTED THE REGION? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
Mail Orieinal and:one copv.of this DMR (including all "No Flow" & "No Discharee" resorts) within 30 days of receipt of sample (or at end of monitorine 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 direct y r onsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware tha re signif' nt enalt' for submitting false information, including the possibility of f' 7esd imprisonment for knowing violations."
2�
(Sig re of Permittee) (D te)
Permit Date: 7/1/2011-60/30/2015 Last Revised 7/13/11
Page 2 of 2