NC0086541_NOV2012TX0055_20120812

Beverly Eaves Perdue
Governor
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PIMA
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Charles Wakild, P.E.
Director
August 3, 2012
CERTIFIED MAIL: 7007 1490 0004 5533 6745 -
RETURN RECEIPT REQUESTED
C
Mr. David Edwards
Group Engineering Manager
Gateway Village, LLC
800 W Trade St.
Suite 100
Charlotte, North Carolina 28202
SUBJECT
Dear Mr. Miller:
NOTICE OF VIOLATION: NC NOV-2012-TX-0055
Whole Effluent Toxicity (WET) Testing
Copper and Zinc Action Level Policy
NPDES Permit No. NCO086517
Gateway Village Remediation Site
Mecklenberg County
Dee Freeman
Secretary
This is to inform you that a review of your toxicity self -monitoring report form for the month of May 2012
indicates a violation of the toxicity limitation specified in your NPDES Permit. You should undertake necessary
actions to eliminate or reduce effluent toxicity to acceptable levels.,Y
Previous correspondence was sent to you concerning implementation of the Division's Copper and Zinc Action
Level Policy. The correspondence included a prospective permit limit for copper at 16.0 µg/L. We stated
that the trigger for implementing the policy would be two or more WET limit violations, which occur during a
toxicity testing calendar quarter. Please note that the second WET limit violation has occurred and you must
provide: '.
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a) Written notification indicating acceptance of the prospective copper and/or zinc permit limit. Notification is
due by September 2, 2012.
Environmental Sciences Section
^ 1621 Mail Service Center, Ralegh, North Carolina 27699-1621
^� Location: 4401 Reedy Creek Road, Raleigh, North Carolina 27607
Phone: [phone] l FAX:
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919-743-85171 Customer Service: l-877-623-6748
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Additional information regarding the Division's Copper and Zinc Action Level Policy can be found at the following
web site - http://www.esb.enr.state.nc.us/. Click on the Aquatic Toxicology Unit and go to the prompt "AT
Downloadable Files" located at the bottom of the page.
If you have any questions concerning this correspondence, please contact Ms. Cindy Moore at [phone] or Mr.
John Giorgino at (919) 743- 8441.
Sincerely,
Cj� A 0-0
Cindy Moore
Supervisor, Aquatic Toxicology Unit
cc: Rob Krebs- Mooresville Regional Office
Tom Belnick Point Source Branch (no attachments)
Pamala Myers -Water Management Division, USEPA Region IV, 61 Forsyth St., SW, Atlanta, GA 30303
Central Files
Aquatic Toxicology Unit Files
Environmental Sciences Section
1621 Mail Service Center, Ralegh, North Carolina 27699-1621
Location: 4401 Reedy Creek Road, Ralegh, North Carolina 27607
Phone: [phone] FAX: [phone] l Customer Service: 1$77-623-6748
Internet: http://h2o.enr,state.nc.uslesb/
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