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Advanced <br /> GeoEnvironmental, Inc . ~: <br /> 06 January 2010 <br /> AGE-NC Project No. 00-0697 <br /> Mr. Mike Inf ima <br /> San Joaquin County Environmental Health Department <br /> 600 East Main Street <br /> Stockton, California 95202 <br /> Subject: Procedures for Well Destruction <br /> TERMINOUS MARKET <br /> 13889 West Highway,12, Lodi, California <br /> Dear Mr..Infurna: <br /> At your request Advanced GeoErivironmental, Inc. (AGE) has prepared this document presenting <br /> the procedures for monitoring well destruction at 13889 West Highway 12, Lodi, California. <br /> INTRODUCTIONBACKGROUND <br /> To date,a total of 6 groundwater monitoring wells'(MW-1 through MW-6)have been advanced on- <br /> site. AGE proposes to drill-out wells MW-1 though MW-5(screened from 5-25 feet) using a drill, <br /> rig equipped with 8.25-inch hollow stem augers.AGE proposes to destroy deep-screened well MW-6 <br /> (screened from 50-60 feet) by pressure grout techniques. <br /> PROCEDURES <br /> In order to ensure that ground, water monitoring wells do not provide vertical .conduits for <br /> contaminants, AGE proposes to.properly destroy them in accordance with San Joaquin County <br /> Environmental Health Department (EHD) Standards For Well Construction and Destruction. As <br /> required by EHD permitting, a health and safety'plan will be prepared in accordance with <br /> Occupational Safety and Health Guidance Manual for Hazardous Waste Site Activities (National <br /> Institute for Occupational Safety and Health Administration, U.S. Coast Guard and U.S. i <br /> Environmental Protection Agency, 1985).Prior to drilling activities,each proposed drilling location <br /> will be clearly marked and an utility clearance obtained through Underground Service Alert: <br /> Based on the EHD "Standards"the wells will be sounded for total depth and checked for integrity, <br /> any obstruction found in the well will be removed. Well boxes and caps will be-removed to expose <br /> 837 Shaw Road, Stockton, California 95215 <br /> Telephone(209)467-1006 Fax(209)467-1118 <br /> �v _ / <br />