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Ir r r r r � irr r Ir � �I Table 3 Soli Analytical Results Summary - 1987 Tank Removal San Joaquin County Mosquito Vector Control District, Stockton Sample Information Results(mg/Kg)EPA Method 8020 8010 6414 Mod 8415 Area and Sample Date Sampled Sample Depth` Benzene Toluene Ethylbenzene Xylene TCFM Lead TPHp TPHe Tank 1 Weed Oil 1A 13-Mar-87 -13 5 ft bgs NID(O 2) ND(O 2) ND(O 2) ND(02)` '" "" N[(5 0) 113 13-Mar-87 --18 ft bgs W02) NO(O 21 NO(O-21 ND(O 2)' 17 Tank 1 (B) 3-Apr-87 NI - -- "" 50 Tank 1 20 ft 8-Apr-87 20 ft bgs ND(O 2) ND(O 2) -- ND(O 2) - - - ND(5 0) Tank 127 ft 8-Apr-87 27 ft bgs ND(O 2 ND(O 2 -- ND(O 2 - -- -- 12 Tank 2 Weed Oil 2A 13-Mar-87 --16 ft bgs ND(0,2) NES({)21 NO(O 2) NO(02) "' "" ND( 6) 2B 13-Mar-87 -13 ft bgs NNOA NEO 21 NO(O 2) wo ) Tank 2 B 3-Apr-87 NI - -- -- -- - -- -- ND(5 0 Tank 3 Gasoline 3A 13-Mar-87 -14 ft bgs ND(O 2) ND(O 2) NO(O 2) ND(O 2) 012 11 4 -- ND(5 0) 3B 13-Mar-87 �14 ft b s ND 0 2 ND 4 2J ND(0 2 ND(D 2 0 15 12 7 - 50 Tank 4 Aviation Fuel 4A 13-Mar-87J-713 13 ft bgs ND(O 2) ND(O 2) ND(O 2) ND(O 2) ND(O 02) 11 3 - EN05 46 13-Mar-87 ftbs ND(O 2 ND(O 2 ND(O 2 ND(O 2 0 18 108 -- Tank UT-1 U-1 29-May-87 13 ftb s ND(O 2 ND(O 2 -- NO(O 2 - - ND 1 0 - Tank UT-2 U-2 29-May-87 14 ft bgs ND(O 2) ND(O 2) - ND(O 2) -- - ND{1 DJ -- NO(O 05)= Not detected, reporting limit indicated in parentheses TCFM =Trichlorofluoromethane --not analyzed NI =Not Indicated TPHp=Total Purgable Petroleum Hydrocarbons TPHe=Total Extractable Petroleum Hydrocarbons TEPA Method consisted of the analysis of four additional compounds that were not detected in any of the samples analyzed bEPA Method consisted of the analysis of 29 additional compounds that were not detected in any of the samples analyzed `Approximate depths(indicated by-)based on the assumption that the tank bottom is 10 ft bgs Shading indicates that area sampled was excavated 1