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t <br /> M <br /> Advanced <br /> GeoEnvironmental, Inc . o- ' <br /> 21 July 2015 <br /> AGE Project No. 14-3154 <br /> Ms. Ann Palmer and Mr. Gerald Djuth <br /> Central Valley Regional Water Quality Control Board <br /> 11020 Sun Center Drive, Suite <br /> Rancho Cordova, CA 95670 <br /> Subject: Soil/Groundwater Investigation Work Plan Addendum — July 2015 <br /> FORMER PILKINGTON NORTH AMERICA FACILITY <br /> 500 East Louise Avenue, Lathrop, California <br /> SWIS number 39-CR-0022 (APN 198-120-09) <br /> Dear Ms. Palmer: <br /> At the request of R&B LOUISE LLC PROPERTY, Advanced GeoEnvironmental, Inc. <br /> (AGE) has prepared this Soil/Groundwater Investigation Work Plan Addendum—July <br /> 2015 for the property located at 500 East Louise Avenue, Lathrop, California (site). A <br /> location map of the site is presented in Figure 1; a site plan depicting site features, <br /> boring and well locations, and proposed soil boring locations is presented in Figure 2; <br /> and an expanded view of the waste handling area (no structures are developed on the <br /> solid waste area) with proposed soil boring and trenching locations is illustrated in <br /> Figure 3. <br /> BACKGROUND <br /> In 1993, the facility was issued Solid Waste Information System (SWIS) number 39-CR- <br /> 0022 and assigned to the Local Enforcement Agency (LEA) at the San Joaquin County <br /> Environmental Health Department (SJCEHD). The LEA at the SJCEHD oversees state <br /> designated landfill sites under the oversight and regulation of California's Department of <br /> Resources Recycling and Recovery (CalRecycle); CalRecycle supervises the LEA with <br /> site investigations and sampling plans, and coordinates investigation objectives. <br /> In 1986, the handling of glass waste in the southern staging area was terminated; prior <br /> to termination of glass waste handling, a pile of waste production glass was observed <br /> on the southern portion of the property. A review of historical photographic views of the <br /> property depicted disturbed soil pile areas and two small surface features which may <br /> have received water from the glass waste areas. <br /> 837 Shaw Road•Stockton,CA 95215 <br /> Telephone(209)467-1006•Fax(209)467-1118 <br />