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SAN J0AQXJ1N LOCM.. HEALTH DISTRICT <br />SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS <br />`€•: The following re resents minimum sampling criterion required for closure compliance. Soil <br />samples collected shall be representative of native soils beneath the tank s <br />invert hank's bottom) at a collection depth not be exceed 2 - 4 feet. If contamination <br />Is documented during closure an Unauthorized Release notification must be filled out and <br />submitted to SJLHD vi thin 5 days. Section 2652, CCR. <br />WATER NOT PRESENT IN THE TANK PIT <br />TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES <br />Less than 1000 a11µ Fill or pump end of-_ta.... . <br />1000 - 10,000 gallons TWO per tank One at each end of tank <br />10,001 gallons and up THREE OR MORE Ends and Middle or <br />Per tank eletsocthan?hnghetau <br />PipingONE _ EVERY 20 LINEAL FEET <br />WATER IS PRESENT IN -TANK PIT <br />MINIMUM N0 <br />TANK SIZE . OF LOCATION OF SOIL MINIMUM NUMBER <br />[—�+ SOIL SAMPLES SAMPLES OF WATER SAMPLES <br />is <br />10,000 GALLONS tankatxoi l <br />OR LESS tank ends s/ <br />(Single Tank) TWO groundwater ONE <br />interfaceFrom wall next to ONE <br />1�0, 000000 GAL�L,ONS tank ends . at soil/ <br />groundwater <br />TANK CLUSTER FOUR interface <br />OTHER SPECIAL CONDIrrlONS <br />SLAB PRESENT IN TANK PIT <br />Soil samples shall be obtained beneath the slab within native soils. Penetration througgh <br />[Physical removal of the <br />the obstruction will be required in order to collect the samples <br />obstruction will then allow sampling according to the above conditions.) <br />TANK SIZE MINIMUM NUMBER OF <br />_SOIL SAMPLES <br />Less than 1000 gallons THREE per tank <br />1000 - 10,000 gallons FIVE per tank <br />10,001 gallons and up FIVE OR MORE per <br />tank <br />EN 23 097 12/88 <br />REVISED 1/89 <br />{Fa; <br />LOCATION OF SOIL SAMPLES <br />Center and ends or sides <br />Center and ends or sides <br />Ends and Middle and <br />generallyspaced along <br />he lengh of the tank <br />