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044-0162 817B50q.Ow0 - 10/05/92 - TCU 1 <br /> 1 <br /> f <br /> CONCRETE RAMP <br /> WOOD SERVICE RAMP I N <br /> TANK 8176-3 f <br /> TRACER-114132 - <br /> SG-6 TANK VENT PIPES <br /> I ------------------- Q SG-5 f a (MIDDLE PIPE 15 <br /> REMOVED f 0 <br /> 5G_z <br /> TANK 8178-2) <br /> FILL PIPES -- --------- I iI PIPE f <br /> TRENCH UNDERGRQUND VAULT f <br /> _ ---- ---------- f WITH 5URFACE GRATING <br /> TANK 817-1 I I <br /> j TRACER-DA � <br /> L. a I f <br /> --_ ---- ----------SG-1 j <br /> PUMP f 0 <br /> VAPOR RECOVERY PIPE SO-3 SG-4<> ISLAND I <br /> FOR REMAINING TANKS I f <br /> '� f1 <br /> n1 VAPOR RECOVERY <br /> BACKFILLED f LINE CAPPED f <br /> AREA/ <br /> I f <br /> f <br /> EXCAVATED <br /> SOIL STOCKPILE f f <br /> I f <br /> PUMP ISLAND <br /> (NOT IN U5E) II <br /> BUILDING 817-B - <br /> -- — — ---- - — -- - — — — — — — J <br /> (OVERHEAD CANOPY) <br /> LEGEND <br /> SG-30 SOIL-GAS PROBE LOCATION <br /> FlCiURE 4 <br /> 5 a s io SOIL-GAS PROBE LOCATIONS <br /> NOTE LOCATION OF TANKS 817B-3 AND SCALE 1" = 10' US NAVAL COMMUNICATIONS STATION <br /> 8178-1 ARE APPROXIMA f1 ST_OCKTON CALIFORNIA _ <br /> jW ENMRONMENTAL MANAGEMENT INC <br />