NCS000347 DMR SW (2)

Caphlall Power( )
CPI USA North Carolina LLC (Da}vp®Il' 1i8®n
PO Box 1153
331 Alhe Clay Road
Roxboro, NC 27573
T 336-330-4502
RECEIVED
February 26, 2016
MM 032016
Division of Water Quality CENTRAL FILES
Surface Water Protection Section RWR SECTION
Attention: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Re: Annual Summary DMR- 2015 - Permit No. Ig1; SW:103 '
Enclosed please find the Annual Stormwater Summary DMR as required by permit No.
NCS000347 for calendar year 2015.
Stormwater Sampling Results (2015)
Permit No. NCS000347 contains analytical monitoring requirements that apply to stormwater
outfall 001 at the CPI Roxboro site. Samples were collected on December 2, 2015 during a
representative storm event. Attached to the DMR please find copies of analytical results from
James R. Reed &Associates.
According to our permit, these results are to be compared to "benchmark" values in Table 3 of
the permit. While these benchmark values are not permit limits, they are to be used as
guidelines for monitoring the effectiveness of the BMP's that are identified in the SWPPP.
Best Management Plan(BMP)Summary&Evaluation
• Coal,wood, TDF, and ash for the boiler plant are stored outside in the coal pile drainage area and
runoff is routed via a concrete"V ditch"to the waste treatment pond,where it is treated prior to
discharge. An observation was made in 2015 noting that run-off was draining from the ash
storage area (in the coal pile drainage area) across the plant roadway around the main
building to the storm water drain system. The storage area had become elevated from the
process of moving &handling of materials. A dozer was brought in, and the area was graded to
prevent the"runoff'from crossing the road,thus keeping the runoff contained to the V ditch.
Chemical storage and usage is limited to the wastewater basin, the demineralizer building area, the
R.O. building area, and the cooling tower chemical storage area. Spill cleanup materials are located
inside the warehouse and the R.O. building.There is a dedicated unloading bay at the demineralizer
building. All chemicals used are stored within secondary containment, or on a chemical skid on the
floor in the building. The floor is sloping towards a drain that discharges into the chemical sump from
the demineralizer building. Chemicals stored in the cooling tower chemical storage area are stored in
a secondary containment,which can be drained to the wastewater basin for treatment.

Capital Power
Corporation
The risk of fly ash or fly ash residue from the ash silo area entering the storm system is low due to
the use of a Dustmaster. When a truck is loaded with ash, a slurry system is used to minimize
fugitive ash and spillage. The risk of the petroleum products entering the storm system is low due to
the use of secondary containment. Rain water in this area is collected in a sump and pumped to the
waste basin.
Outfall Evaluation
All outfalls were evaluated for non-stormwater discharges, and no non-stormwater discharges
were observed. Appendix B1 of the revised SWPPP includes a "Non-Storm Water Discharge
Assessment& Certification"form that is used to document this evaluation. The SWPPP
includes a procedure for conducting a Non-Storm Water Assessment for all outfalls.
Certification
"I certify, under penalty of law, that this document and all attachments were prepared under my
direction or supervision 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 the persons directly responsible for gathering the
information, the information submitted is, to the best of my knowledge and belief, true, accurate
and complete. I am aware there are significant penalties for submitting false information,
including the possibility of fines and imprisonment for knowing violations."
f,
Dater00iQ7ic c' ILD
Frank ::_*, k--
Plant Manger
CPI USA North Carolina, LLC
Roxboro Facility
Attachment: Annual Stormwater Summary DMR Form and Sample Results from December 2, 2015
Page 2 of 2

STORMWATER DISCHARGE OUTFALL (SDO)
ANNUAL SUMMARY DATA MONITORING REPORT (DMR)
Calendar Year 2015
Individual NPDES Permit No. NCS 000347 or
Certificate of Coverage (COC) No. NCGnnnnnn
This monitoring report summary of the calendar year should be kept on file on-site with the facility SPPP.
Facility Name: CPI USA North Carolina LLC-Roxboro Plant
County: Person
Phone Number: [phone] Total no. of SDOs monitored 1
Outfall No. 001
Is this outfall currently in Tier 2 (monitored monthly)? Yes D No
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes ❑ No Ng
If this outfall was in Tier 2 last year, why was monthly monitoring discontinued?
Enough consecutive samples below benchmarks to decrease frequency ❑
Received approval from DWQ to reduce monitoring frequency ❑
Other ❑
Was this SDO monitored because of vehicle maintenance activities? Yes ❑ No
Parameter, (units)
Total Total Total Total Total Total
Rainfall, TSS COD Aluminum Antimony Arsenic Beryllium Total Boron Cadmium
inches
Benchmark N/A 100 mg/I 120 mg/I 0.75 mg/I 0.09 mg/I 0.36 mg/I 0.07 mg/I N/A 0.001 mg/1
Date Sample w sxg :Ya' .`< ; ' a. °•,.-. .,' q . . ." „ ,. . ,,
p -� � ��, �.;,�• !"!: .02!P!:!,.n ' . pP;,.
` - �..y. - a� .��5.. Cr: ,F� ^:a.aw,fi°�y""`"�„<' ��tia.Jx�k' "�v s <J,�.."x r,y,.A^�„ �.,i,
Collected, > 1st " r., ti'. ...'y mei
at�w e : ` � : -_ ,�8.'i °' "- -- - - � _ a`'s "�'.° ^,d .I . � ,
spa, „' _ - ;» - ,:« - 5;b - 's. ;� ,�,., >
mm/dd/yy ,r., +'",,'',°',e ".zi-44r "fi°Y?ry'sc' .,�tr#c,-.-:tw.S° k”, "`P' S§:'�'P:�..•-;,,• ,A ,+a" a;,Y, g... pfl..;.> ":' `=s�`: :r"""* �:%-° 4
YY �'r .��," � �'' °k'� `- vim, s-;, � ^,�. "� a fax 7r`r„" .:�nrr ,^� k*�' rer�� � ..�: ,.d«r`<^�``°'''� ., . , ` .
12-2-15 .5 17 28 2.2 <0.005 <0.005 <0.0005 <0.05 <0.0005
SW U-264-Generic-13Dec2012

Additional Outfall Attachment
Outfall No. 001
Is this outfall currently in Tier 2 (monitored monthly)? Yes El No
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes El No Z
If this outfall was in Tier 2 last year, why was monthly monitoring discontinued?
Enough consecutive samples below benchmarks to decrease frequency El
Received approval from DWQ to reduce monitoring frequency El
Other _ 111
Was this SDO monitored because of vehicle maintenance activities? Yes 0 No
Parameter, (units)
Total
Rainfall, Total Total Copper Total Lead Total Total Nickel Total Total Silver Total Thallium
Chromium
inches Mercury Selenium
Benchmark N/A - 1 mg/I 0.007 mg/I0.03 mg/I N/A pg/I 0.26 mg/I 0.056 mg/I 0.001 mg/I N/A mg/I
Date Sample :, ,, qe,, ,,-, „,
Collected,
mm/dd/yy ,, : , : - - ,,—; ,. ,„, , ',._ , .;,
12-2-15 .5 0.003 0.011 <0.005 <0.0002 <0.005 <0.005 <0.001 <0.005
SWU-264-Generic-13Dec2012

Additional Outfall Attachment
Outfall No. 001
Is this outfall currently in Tier 2 (monitored monthly)? Yes ❑ No IZI
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes ❑ No IZ
If this outfall was in Tier 2 last year, why was monthly monitoring discontinued?
Enough consecutive samples below benchmarks to decrease frequency ❑
Received approval from DWQ to reduce monitoring frequency ❑
Other ❑
Was this SDO monitored because of vehicle maintenance activities? Yes ❑ No
Parameter, (units)
Total Oil& Grease
Rainfall, Total Zinc Sulfate HEM pH(Field)
inches
Benchmark N/A 0.067 500 _ 30 6-9
Date Sample
ri.Collected _.„ -7 , ',.. "
� :1� � ;W: ."IA � �7�*..w'`, al,." us �,;a �� S4 i; ., mmm/dd/yy „; , ,
12-2-15 .5 0.314 48 <5.0 7.01
SW U-264-Generic-13Dec2012

"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 directly responsible for gathering the information, the information submitted is, to the
best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information,
including the possibility of fines and imprisonment for knowing violations."
Signature � ---- (Frank Hayward)
Date e,ia $Dolt?
For questions, contact your local Regional Office:
DWQ Regional Office Contact Information:
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ASHEVILLE REGIONAL OFFICE FAYETTEVILLE REGIONAL OFFICE MOORESVILLE REGIONAL OFFICE
2090 US Highway 70 225 Green Street 610 East Center Avenue/Suite 301
Swannanoa, NC 28778 Systel Building Suite 714 Mooresville, NC 28115
[phone] Fayetteville, NC 28301-5043 [phone]
[phone]
RALEIGH REGIONAL OFFICE WASHINGTON REGIONAL OFFICE WILMINGTON REGIONAL OFFICE
3800 Barrett Drive 943 Washington Square Mall 127 Cardinal Drive Extension
Raleigh, NC 27609 Washington, NC 27889 Wilmington, NC 28405-2845
[phone] [phone] [phone]
WINSTON-SALEM REGIONAL OFFICE CENTRAL OFFICE
585 Waughtown Street 1617 Mail Service Center
"7"0 preserve, protect
Winston-Salem, NC 27107 Raleigh, NC 27699-1617 and enhance
[phone] [phone] North Carolina's wafer.. "
SW U-264-Generic-13Dec2012