Supplemental Information of Columbia Gulf Transmission Company under CP83-496.

Memorandum To: Elaine Porter From: Bruce Marshall Company: Tetra Tech Date: June 30, 2011 4900 Pearl East Circle, Suite 300W, Project Address: Boulder, CO 80301 No.: 114-010467 Re: Illinois DNR, O&G Div Meeting Summary, June 29, 2011 On June 29, 2011, Tom Shaw and I met with the following Illinois Department of Natural Resources, Office of Mines and Minerals, Division of Oil and Gas staff: Duane Pulliam (Acting Head of Division) Doug Shutt (Permitting) Angie Mick (UIC II) Kendra Brockamp (Drilling Permits) We went through the attached document with the staff and left paper copies with them. Summarized below are the important points from the meeting: The point of contact with the O&G division staff is: Doug Shutt Illinois Department of Natural Resources Office of Mines and Minerals Division of Oil and Gas One Natural Resources Way Springfield, IL 62702 Tel: 217.782.3718 Fax: 217.524.4819 doug.shutt@illinois.gov All contact will be through Doug; he will delegate work to appropriate staff. O&G Divisions responsibility with respect to the Elbridge/Nevins facilities encompasses the following: 1. Gas storage injection/withdrawal well permitting. 2. Observation well permitting. 3. Class II UIC well permitting. 4. Produced water storage pond permitting. 5. Unitization filling. Permitting of water supply wells for the facility will be through the Illinois Department of Public Health. Permits are available on the IDPH website http://www.idph.state.il.us/forms/ohp/water_well_permit.pdf (Permit fee $100). Tetra Tech 4900 Pearl East Circle, Suite 300W, Boulder, CO 80301 Tel 303.447.1823 Fax 303.447.1836 www. tetratech.com DNR Meeting Summary June 30, 2011 Item Nos. 1 and 2: Permitting of Injection/Withdrawal and Observation Wells Permit as though Production wells using form OG-10 available on the O&G Divisions website. http://www.dnr.state.il.us/mines/dog/Forms/010.pdf (Permit fee $100). According to Doug Shutt, the injection/withdrawal wells will need an additional directional drill survey to be submitted because Tom indicated that they would be horizontally drilled in the storage zone. Well permits are good for one (1) year. However, if construction has started within one year, but the well is not completed, the permits may be administratively extended for an additional year. Permits can be renewed if work hasnt started. Observation wells do not need to abide by the 300 foot setback; that limit is for production wells. Item No. 3: Permitting of Class II UIC Wells Angie Mick is in charge of UIC permitting. Permitting through the State of Illinois is quicker and easier than through the EPA. Use online form ...