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ATTACHMENT 1 <br /> Summary Of Environmental,Activity- <br /> Former <br /> ctivity,. <br /> Form_er Chevroii Service.Station 19-7780 <br /> 3246 E. Fremont Street <br /> Stockton, CA <br /> 7160: Service Station constructed. Four steel UST's installed(6,000 gal. regular leaded, <br /> 5,000 gal. unleaded, 2,000 gal. supreme leaded,550 gal. waste oil) <br /> 1187: Service Station demolished. All four original steel UST's removed. Soil samples <br /> obtained beneath center of tank bottoms by Blaine Tech Services. <br /> 212187: Tank Removal Sampling Report; Blaine Tech Services <br /> 3187: Three groundwater monitoring wells installed by Groundwater Technology, Inc. (GTI) <br /> (MW-1 through MW-3) <br /> I <br /> 5/5187: Subsurface Investigation Report; GTI <br /> 6187: Tank excavation stockpile sampled by GTI. <br /> 8187: Four groundwater wells sampled in nearby vicinity by EA Engineering, Science, and <br /> Technology,Inc. (EA) (EA-1 through EA-4) <br /> 8124187: UST Unauthorized Release Report submitted to San Joaquin County Public Health <br /> i Services(SJCPHS) documenting release discovered during 1187 tank removal. <br /> 11/4187: Report of Investigation and Risk Assessment; EA <br /> 12187: Tank excavation stockpile returned to tankpit as backfill. <br /> 2188: Four groundwater monitoring wells installed by EA. <br /> 41271$8: Results of Soil and Groundwater Investigation; EA <br /> 6121190: Work Plan for Well Installation; EA <br /> 8190: Two groundwater monitoring wells installed by EA. (EA-5 through EA-6) <br /> Three groundwater monitoring wells destroyed by EA. (MW-I through MW-3) <br /> 9130191: Work Plan for Additional Soil Investigation; GTI <br /> 11191: One soil boring drilled by GTI. (SB-1) <br /> 12120191: Environmental Assessment Report; GTI <br /> 3117193: Work Plan for Soil and Groundwater Assessment; GTI <br /> 5193: Two groundwater monitoring wells installed,former product piping removed,collection <br /> of soil samples beneath former piping, and trenching for former septic tank by GTI. <br /> 9116193: Environmental Assessment Report; GTI. <br />