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San Joaquin County Environmental Health Department 600 East Main Street Stockton, California 95202-3029 Website: www.sjgov.org/ehd Phone: (209) 468.3420 Fax: (209) 464-0138 February 10, 2009 Kevin Basso, General Manager Forward Inc., Landfill P. O. Box 6336 Stockton, CA 45206 DIRECTOR Donna Heran, REHS ASSISTANT DIRECTOR Laurie Cotulla, REHS PROGRAM COORDINATORS Mike Huggins, RENS, R01 Margaret Lagorio, REHS Robert McClellon, REHS Jeff Carruesco, RENS, RDI Kasey Foley, REHS Subject: Title 27 Compliance Review, Perimeter Probe Monitoring Network, Forward Landfill Dear Mr. Basso, The Environmental Health Department (EHD) has received and reviewed the above referenced . plan. The plan indicates that -the following gas probe (GP) distances are marginal: • GP I and GP 25 • GP 3 and GP 4 • GP I6 and GP 17 • GP 24 and GP 25 The EHD and your staff conducted a survey to measure the actual distances between the gas probe in question. The results are as follows: • The distance between GP I and GP 25 is 1000 feet • The distance between GP 3 and GP 4 is 998.5 feet • The distance between GP 16 and GP 17 is 1008 feet • The distance between GP 24 and GP 25 is 1010 feet In the revised plan dated December 8, 2008,•you agreed to install a new gas probe between GP 1 and GP 25. The distance between those wells meet state minimum standards. The structure across the street from the entrance is still a concern, but because current land filling activity is over 1000 feet away and the gas probes nearest the structure (GP 1, GP 2, GP 25 or GP 24) have not contained a measureable amount of methane during quarterly monitoring events, the EHD will allow the proposed probe location (GP 26) to be moved to a location between GP 24 and GP 25 with the following condition. When a landfill cell is constructed within 1000 feet of the structure, the facility must install an additional gas probe. The new gas probe must be installed between GP25 and GP 1. This condition will be added to the new permit for the proposed expansion for the facility.