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SAN .?OAQUI N LOCAr- HEALTI-I 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 /> isvdocueentedsdurringmclosurecoaneUnauthorpzednReleasexnotification must beffilledcontamination <br /> and <br /> submitted to SJLHD within 5 bays. Section 2652, CCR. <br /> _�—WATER NOT PRESENT IN THE TANK PIT <br /> TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES <br /> —__...--- SOIL SAMPLES <br /> ss than 1000gallons <br /> ONE :. :. <br /> per tank Pill or pump end of tank <br /> 1000 - 10,000 gallons TWO per tank One at each end of tank <br /> 10,001 gallons and up THREE OR MORE <br /> per tank Ends and Middle or <br /> generally spaced alon <br /> the length of the tank <br /> Piping ------ -- ^� -_— EVERY 20 LINEAL FEET— <br /> WATER IS PRESENT IN TANK PIT <br /> TANK SIZE MINIMUM NO. OF LOCATION OF SOIL MINIMUM NUMBER <br /> SOIL SAMPLES SAMPLES OF WATER SAMPLES <br /> 10,000 GALLONS - From wall next to <br /> OR LESS tank ends at soil/ <br /> (Single Tank) TWO groundwater <br /> InterfaceAN <br /> ONE <br /> THAN <br /> 100,,000 S From wall next to ONE <br /> tank end at soil/ <br /> TANK CLUSTER FOUR groundwater <br /> _ interface <br /> OTHESL SPECIAL, -- <br /> SLAB PRESENT IN TANK PIT gg <br /> thelObstructioples nawillebebzequired inaorderetolcollecllthesamplesll[phr Penetration <br /> hnfuthe <br /> Obstruction will then allow sampling according to the above conditions. ) <br /> TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES <br /> SOIL SAMPLES <br /> Less than 1000gallons <br /> THREE Per tank Center and ends or sides <br /> 1000 - 10,000 gallons FIVE per tank <br /> 10 001 Center and ends or sides <br /> gallons and up FIVE OR MORE per Ends and Middle and <br /> tank ?he spaced <br /> the length fe the tank <br /> ...... -...._._._ <br /> EH 23 097 12/88 _..... <br /> REVISED 1/89 <br />