NC0088801_Permit Correction_20051128

November 28, 2005
Mr. Jaime Kalanta
22 Hedgefield Court
Orange, Connecticut 06477
'Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
DENR-FRO
DEC 0 12005
DWQ
Subject: Permit Correction
Permit No. NC0088081
Cookson GW 'Remediation System
Anson County
Dear Mr. Kalanta:._
The permit for the Cookson GW Remediation System that was issued on September 15, 2005 contained- an
error in Section A. (1.) Effluent Limitations and Monitoring Requirements. The toxicity test was indicated on the table
as Acute Toxicity. The correct test is Chronic Toxicity as indicated by the notes and Section A.(2). Enclosed is a
corrected page to be replaced in your permit.
If you have any questions concerning this permit, please contact, Teresa Rodriguez at telephone number (919)
733-5083, extension 553.
Sincerely,
�N 0
Alan W: Klimek, P.E...
cc: Central Files
�Fayettaille-Regional-OffiWWater_Quality:Section
NPDES Unit
Aquatic Toxicology Unit
Construction Grants and Loan Section
Nose Carolina
,7 atura!!y
North. Carolina Division of Water Quality 1617 Mail'Service Center Raleigh, NC.27699-1617 Phone [phone] . Customer Service
Internet: h2o.enr.state.nc.us 512 N. Salisbury St. Raleigh, NC 27604 FAX [phone]
An Equal Opportunity/Affirmative Action Employer — 50% Recycled/10% Post Consumer Paper

Permit No. NC0088081
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
Beginning on the effective date of this permit and lasting permit expiration, the Permittee is
authorized -to discharge wastewater from a groundwater remediation system from Outfall 001. Such
discharges shall be limited and monitored by the Permittee as specified below:`
`,`=
PARAME'1 ✓R:
y
�.�LIMI ° IO S';';,t:�.
,,,, , ;EFFLUENT, TAT ,N
ME TS-
� ' ONI- ORING�RE_'DIRE N
� 1VI T Q
oii
_ -....
aly'
aXimum:,�
Veaurement'
,.- _— .�:Sample
.Fre9uey
Tegi.
....'__ •
- _ Sample
-Locann- ,._
-�E�
-._
--.WeekY
'�verever�e _ .
Flow (MGD) 1
0.10
Continuous
Recording
Effluent
Toluene
11 µg/L
2/Month
Grab
Effluent
1,1 Dichloroethene
6900 µg/L
2/Month
Grab
Effluent
Trichloroethene
92.4 µg/L
2/Month
Grab
Effluent
1,1,1 Trichloroethane
2460 µg/L
2/Month
Grab
Effluent
1,2-Dichloroethane
99 pg/L
2/Month
Grab •
Effluent
1,1,2,2-Tetrachloroethane
10.8 µg/L
2/Month
Grab
Effluent
Naphthalene
78 µg/L
2/Month .
Grab
Effluent
Methylene Chloride
Monthly
Grab
Effluent
Chronic Toxicity 2
•
Quarterly
Composite
Effluent
Footnotes:
1. All volumes of wastewater leaving the facility shall be monitored. Flow may be measured using a flow
totalizing device. If the discharge is not continuous, flow may be monitored weekly by an instantaneous
flow estimate. If no discharge occurs during a given month, the permittee shall indicate "No Discharge" on
the monthly Discharge Monitoring Report (DMR). to the Division.
2. Chronic Toxicity (Ceriodapbnia dubia, 90% limit.) Toxicity testing is to be performed during the months of
January, April, July, and October, See Supplement to, Effluent Limitations and Monitoring Requirements
Page - Special Conditions A (2).
THERE SHALL BE NO DISCHARGE OF FLOATING SOLIDS OR VISIBLE FOAM IN OTHER THAN TRACE AMOUNTS.
• Page 4

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