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PUBLIC HEALTH SERVICES <br />,oPau�N: <br />SAN JOAQUIN COUNTY <br />JOGI KHANNA M.D., M.P.H. <br />e'• <br />Health Officer <br />P.O. Box 2009 • (1601 East Hazelton Avenue) 0 Stockton, California 95201 <br />( 209) 468-3400 <br />September 25, 1992 <br />John Fukomoto, Senior Civil Engineer <br />City of Stockton <br />Department of Public Works <br />City Hall <br />425 N. El Dorado Street <br />Stockton CA 95202-1997 <br />f ' � <br />Subject: Construction of a Sedimentation Fond at French. Camp Landfill to fulfill the <br />National Pollution Discharge Elimination Syst requirements <br />The proposed location for the sedimentation pond is in an area which has no buried waste. A <br />methane gas investigation revealed no readings above background. There are no plans for future <br />use of the location for burial of refuse. <br />The capacity of the sedimentation pond was engineered using the quantity of precipitation in a <br />ten year event (1 inch per hour for 2 hours) for an area of 65 acres with a coefficient of runoff <br />of 25 %. The proposed sedimentation pond size is 2.5 million gallons. <br />PHS-EHD has determined that the construction of this sedimentation pond is not in violation of <br />Title 14 Division 7 Section 17708 of the California Code of Regulations. <br />Please refer all questions to Steve Sasson, R.E.H.S. of my staff at (209) 468-3438. <br />James Miller, Supervisor <br />Environmental Health Division <br />FK/SS:lc <br />Brad Williams, ClWNZ- <br />Robert <br />A Division of San Joaquin County Health Care Services 0 <br />