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SAMPLING PROTOCOL FOR ROUTINE TANK REMOVALS <br />following represents minimum sampling criterion required for closure compliance. Soil samples collected shall be <br />representative of native soils beneath the tank's Invert (tank's bottom) at a collection depth not to exceed 2 - 4 feet. If <br />contamination Is documented during closure, an Unauthorized Release Notification must be completed and submitted <br />within five (5) working days pursuant to California Health & Safety Cade, Section 25295. <br />7' ER NO'r PRESEN'r IN '1'111: 'TANK PIT <br />TANK <br />TANK SIZE <br />MINI UM NUMBER <br />L T10N OF SOIL SAMPLES <br />t <br />(Gallons) <br />of SOIL AMPLES <br />< 1,000 1 per Tank <br />Fill OR Pump End of Tank <br />1,(XX) - 10,(XX) Z—fp-nk X <br />1 at ca ch of ank <br />10,(X� 3 or Moie <br />Ends and Middle OR generally <br />per Tan <br />spaced along the length of the Tank <br />1 ---11 •rAMnr & vrptwr; c•r(C-KPII.F SAMPLES 1 2 Samples every 50 cubic vards <br />SLAB 11111,:,SI N7' IN 'I'IIL TANK 1'IT <br />Soil samples shall be obtained beneath the slab within native soils. Penetration through the obstruction will be required in <br />order to collect the samples. (Physical removal of the obstruction will allow sampling according to the above conditions.) <br />TANK TANK SIZE MINIMUM NUMBER LOCATION of SOIL SAMPLES <br /># (Gallons) of SOIL SAMPLES <br />< 1,000 3 per Tank Center and Ends OR Sides of Tank <br />1,000 - 10,000 5 per Tank Center and Ends OR Sides of Tank <br />> 10,(X)0 5 OIL More per Tanh Ends and Middle and generally spaced along <br />the length of tate Tank <br />El( 23 047 (Revised 7/10/92) Page 7 <br />