COMPLIANCE INFO_1997-1998 - Laserfiche WebLink

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SAN 17OAQUI N LOCAL HEALTH D I Slit i CT SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS The 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 - 4 feet. It contamination Is documented during closure an Unauthorized Release notification must be filled out and submitted to SJLND vithin 5 bays. Section 2652, CCR. wATFR NOT PRESENT IN THE TANK PIT TANK SIZE Less than 1000 gallons 1000 - 10,000 gallons 10,001 gallons and up Pipinq MINIMUM NUMBER OF SOIL SAMPLES ONE per tank TWO per tank THREE OR MOR Q LOCATION OF SOIL SAMPLES Fill or pump end of tank One at each end of tank Ends and Middle or enerall spaced along he 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/ Center and ends or sides OR LESS (Single Tank) TWOgroundwater FIVE per tank ONE 10,001 gallons and up interface Ends and Middle and qg ?heelengthsof theatank 1000 THAN From wall next to tank ends.at soil/ ONE GALLONS groundwater TANK CLUSTER FOUR interface OTHER SLPECIAL CONDITIONS SLAB PRESENT IN TANK PIT Soil samples shall be obtained beneath the slab within native soils. Penetration through the obstruction will be requisamplingrdorder tincollect the samples.tions kcal removal of the obstruction will then allo q to TANK SIZE MINIMUM NUMBER OF SOIL SAMPLES LOCATION OF 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 tank Ends and Middle and qg ?heelengthsof theatank EN 23 047 12/88 REVISED 1/89