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SAN *QUIN COUNTY PUBLIC HEALTH SER*S <br />SAMPLING PROTOCAL FOR ROUTINE TANK REMO ALS <br />The following represents minimum sampling criterion required for closure compliance. <br />Sail samples collected shall be representative of native soils beneath the tank's <br />invert (tank's bottom) at n collection depth not to exceed 2 - 4 foot. If cbntaminatl.on <br />l.n documentod during closure, an unauthorized Release Notification must be completed and <br />submitted within 5 working days. California Health 6 Safety Code -See. 25295. <br />WATER NOT PRESENT IN THE TANK PIT <br />f <br />TANK SIZE <br />MINIMUM NUMBER of <br />LOCATION of SOIL SAMPLE <br />NIMUM NUMBER <br />o fIWATER SAMPLES <br />SOIL SAMPLES <br />From wall next to <br />LESS THAN 1,000 GALLONS <br />ONE per tank <br />Fill or pump end of tank <br />One at each end of tank 1 <br />tank ends at @oil/ <br />" 1,000 - 10,000 GALLONS <br />TWo per tank <br />(Single Tank) <br />1.0,001 GALLONS and UP <br />THREE or MORE <br />Ends and Middle or <br />per tank <br />generally spaced along <br />GREATER TUAN <br />the length of the tank <br />FLOM wall next to <br />) <br />ONE per EVERY 20 LINEAL FEET <br />... <br />PIPING <br />tank ends at 8011/ <br />WATER IS PRESENT IN TANK PIT <br />0 <br />TANK SIZE <br />MINIMUM NO. of <br />SOIL SAMPLES <br />LOCATION of SOIL <br />SAMPLES <br />NIMUM NUMBER <br />o fIWATER SAMPLES <br />10,000 GALLONS <br />From wall next to <br />LFISS THAN 1,000 GALLONS <br />THREE per tank <br />or LESS <br />tank ends at @oil/ <br />FIVE per tank <br />Center and ends or sides <br />(Single Tank) <br />TWO <br />groundwater <br />ONE <br />tank <br />interface <br />GREATER TUAN <br />the length of the tank <br />FLOM wall next to <br />10,000 GALr.ONS <br />FOUR <br />tank ends at 8011/ <br />groundwater <br />ONE <br />or <br />TANK CLUSTER <br />interface <br />SLAB PRESENT IN TANK PIT <br />Soil s.rmples shall be obtained beneath the slab within native soils. Penetration through <br />the obstruction wi11 be required in order to collect the samples. (Physical removal of <br />the obntr.uction will allow sampling according to the above conditions.) <br />/ <br />TANK SIZE <br />MINIMUM NUMBER of <br />LOCATION of SOIL SAMPLES <br />SOIL SAMPLES <br />LFISS THAN 1,000 GALLONS <br />THREE per tank <br />Cantor and ends or sides <br />1,000 - 10,000 CAIA.ONs <br />FIVE per tank <br />Center and ends or sides <br />In,000 GAI,LONs and UP <br />FIVE or MORE per <br />Ends and Middle and <br />tank <br />generally spaced along <br />the length of the tank <br />EII 21 047 (Rev 2./8/41) ft <br />Page 7 <br />