NCS000046_Inspection Report_20190416

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
S. DANIEL SMITH
Interim Director
Airgas USA, LLC
Attn: Charlie Winston
630 United Drive
Durham, NC 27713
NORTH CAROLINA
Environmental Quality
September 5, 2017
Subject: COMPLIANCE EVALUATION INSPECTION
Airgas USA, LLC
Durham Facility, Certificate of Coverage-NCS000046
Edgecombe County
Mr. Winston:
On April 16, 2019 a site inspection was conducted for the Airgas USA, LLC facility located at 630 United
Drive, Durham County, North Carolina. A copy of the Compliance Inspection Report is enclosed for your
review. The site visit and file review revealed that the subject facility is covered by NPDES Stormwater
Individual Permit-NCG000046, Permit coverage authorizes the discharge of stormwater from the facility to
receiving waters designated as Crooked Creek, a Class WS-V;NSW waterbody in the Cape Fear River
Basin.
As a result of the inspection, the facility was found to be in compliance with the conditions of the
NCS000046 permit. Please refer to the enclosed Compliance Inspection Report for additional comments
and observations made during the inspection.
Please be advised that violations of the NPDES Stormwater General Permit are subject to a civil
penalty assessment of up to $25,000 per day for each violation. If you or your staff has any
questions, comments, or needs assistance with understanding any aspect of your permit, please contact
me at [phone] or by e-mail at Thad.valentine(ED-ncdenrxiov.
Sincerely,
Thad Valentine
Environmental Senior Specialist
Enclosure
cc: RRO — Land Quality Section, Stormwater Files-NCG070177
North Carolina Department of Environmental Quality 1 Division of Energy. Mineral and Land Resources
Raleigh Regional Office 11628 Mall Service Center 13800 Barrett Drive ! Raleigh, North Carolina 27609
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919.791.4200