REMOVAL_1989 - Laserfiche WebLink

Home Browse Search

! SAN a0AQUI N LOQ" AT • HEA11,rH DI S IRI CT SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS he following represents minimum sampling criterion required for closure compliance. Soil samples collected shall be representative of native soils beneath the tank's invert [tank's bottom] at a collection depth not be exceed 2 - 9 feet. If contamination is documentedSdurinLHD vithosurein 5 daan Unauthorizection 2652elCCRe notification must be filled out and ted WATER NOT PRESENT IN THE TANK PIT -- - -- --- — TANK SIZE IMIN Less than 1000 gallons 1000 - 10,000 gallons 10,001 gallons and up Piping OF I LOCATION OF SOIL SAMPLES ONE per tank. TWO per tank THREE OR MORE per tank 0 Fill or pump end of tank One at each end of tank Ends and Middle or generally spaced along the length of the tank EVERY 20 LINEAL FEET WATER IS PRESENT IN TANK PIT TANK SIZE MINIMUM NO. OF SOIL SAMPLES LOCATION OF SOIL SAMPLES MINIMUM NUMBER OF WATER SAMPLES 10,000 GALLONS —� From wall next to tank ends at soil/ OR LESS (Single Tank) TWO groundwater ONE interface GREATER THAN From wall next to ONE 10,000 GALLONS tank ends at soil/ OR groundwater TANK CLUSTER FOUR interface OTHER SPECIAL CONDI TIONS SLAB PRESENT IN TANK PIT Soil samples shall be obtained beneath the slab within native soils. Penetration through obstruuction willwthenballow sampling acccording to the removal of the 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 tankgenerally spaced along the length of the tank EH 23 047 12/88 REVISED 1/89