Regulacje i polityka gospodarcza · 21/10/2008

Draft Modification to the NPDES General Permit for Oil and Gas Exploration, Development and Production Facilities in State and Federal Waters in Cook Inlet, AK, Permit No. AKG-31-5000 (Permit)

The Director, Office of Water and Watersheds, EPA Region 10, is issuing a draft modification to the National Pollutant Discharge Elimination System (NPDES) general permit in response to a settlement agreement between Union Oil Company of California and XTO Energy, Inc. (Petitioners) and EPA (Ninth Circuit, Case No. 07-72656). On May 25, 2007, EPA issued the final Permit, with an effective date of July 2, 2007 (May 31, 2007, 72 FR 30377). The Permit included the following provisions, among others: 1. Condition II.A.10: "If any discharges are commingled, the most stringent effluent limitations for each individual discharge shall be applied to the resulting discharge. If the Individual discharge is not authorized, the commingled discharge is not authorized. Monitoring for compliance with technology based limits, such as the oil and grease concentration of produced water must be accomplished prior to commingling." 2. Condition II.C.3: "Commingled Waste Streams. If deck drainage is commingled with produced water, then this discharge shall be considered produced water for monitoring purposes (see Section II.G). However, samples collected for compliance with the produced water oil and gre