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SAN j0AC2UIN LOCAL HEALTH DI STf2I CT pp SAMPLING PROTOC.AL FOR ROUTINE TANK REMOVALS aampleslcollectedrshallsbelrepresentative of native soils bbeeneathcthe tank'spliance. Soil invert [tank's bottom) at a collection depth not be exceed 2 - 9 feet. If contamination isdoctednted during closure an unauthorizedection Release notification must be filled out and submit HD thin CCR- WATER NOT PRESENT IN THE TANK PIT _._..._.__._�. TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES SOIL SAMPLES Less than 1000 gallons ONE per tank Fill or pump end of tank 1000 - 10,000 gallons TWO per tank One at each end of tank 10,001 gallons and up THREE OR MORE Ends and Middlspace along per tankNe length of the tank aping ONE _-- ---- EVERY 20 LINEAL FEET WATER Is PRESENT IN TANK PIT TANK SIZE MINIMUM NO. OF LOCATION OF SOIL MINIMUM NUMBER SOIL SAMPLES SAMPLES OF WATER SAMPLES 10,000 GALLONS T From wall next t- —^ OR LESS tank ends at soil/ ONE (Single Tank) TWO groundwater interface THAN From wall next to ONE 10,000 GALLONS GALLONS tank ends at soil/ groundwater TANK CLUSTER FOUR interface �- — OTHER SPEC I AT• C=ONDITIONS SLAB PRESENT IN TANK PIT Soil samples shall be obtained beneath the slab within native soils. Penetration through the obstruction will be required in order to collect the samples. [Physical removal of the obstruction will then allow sampling according to the above conditions. ) TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL. SAMPLES SOIL SAMPLES Less than 1000 gallons THREE per tank Center and ends or sides 1000 - 10,000 gallons FIVE per tank Center and ends or sides 10,001 gallons and up FIVE OR MORE per Ends and Middle and tank4enerally spaced along Che length of the tank REEV RISED 1/89 /88