"Sample Modification Request Letter - PDF - PDF"
July 21, 2005 Ms. Jennifer Zygmunt WDEQ-WQD 122 West 25th Street, Herschler Building, 4-W Cheyenne, Wyoming 82002 Re: Constituent Mod for North Beaver Creek-Little Buffalo Opt. 2 WYPDES Option 2 Permit – WY0048143 Pennaco Energy, Inc. Dear Ms. Zygmunt: Please approve the enclosed Constituent Modification. This constituent modification seeks to align field and regulatory requirements with current policy. Thus, this request is to raise the limits for total radium 226, dissolved iron, and pH to current WDEQ standards for those outfalls that are located more than one stream mile from a class 2AB channel. In addition, please update the Initial Monitoring Requirements to current regulatory standards. Outfalls greater than one (1) stream mile from a 2AB channel: Outfall # Distance to 2AB Nearest Class 2AB 001 31.72 Powder River 002 29.72 Powder River 003 30.76 Powder River 004 30.37 Powder River 005 30.01 Powder River Compliance Discussion: The outfalls listed above are located in a new development area and have not been constructed. However, PEI would like to update the permit to reflect current WDEQ policy before construction. 3601 Southern Drive • Gillette, WY 82718 • Telephone 307/685-5100 • Fax 307/682-7621 Thank you for you attention to this matter. Please call David Hill in our Gillette office at 307-685-5105 if you have any questions. Sincerely, Pablo Velasquez Operations Manager /Enclosures Cc: David Hill (PEI) – Gillette Joyce Harris (CBMA) - Gillette 3601 Southern Drive • Gillette, WY 82718 • Telephone 307/685-5100 • Fax 307/682-7621