Laserfiche WebLink
SAMhINO PROTOCOL FOR ROUTINE TANK REMOVALS <br /> The following represents minimum sampling criterion required for closure compliance. Soil samples collected shall be <br /> representative of nadve 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 closute, an Unauthorized Release Notification must be completed and submitted within five <br /> (1) working days pursuant 10 California Health & Safety Code, Section 23293. <br /> WATER r10� PRESENT IN TIIE TANK PIT <br /> TANK TANK SIZE MINIMUM NUMBER LOCATION OF SOIL SAMPLES <br /> / (Gallons) of SOIL SAMPLES <br /> < 1,000 1 per Tank Fill OR Pump End of Tank <br /> 1,000 - 10,000 2 per Tank I at each End of Tank <br /> > 10,000 3 or More Ends and Middle OR generally <br /> per Tank spaced along the length of the Tank <br /> PIPING AND STOCKPILE <br /> x PIPING SOIL SAMPLES I Sample every 20 lineal feet <br /> TANK & PIPING STOCKPILE SAMPLES 2 Samples every SO cubic yards <br /> WATER IS PRESENT IN TANK PIT <br /> TANK TANK SIZE [of <br /> NIMUM Nl1MBER LOCATION of SOIL MINIMUM NUMBER of <br /> N (Gallons) SOIL SAMPLES SAMPLES WATER SAMPLES <br /> TTankN) From wall next to lank <br /> ank 174 <br /> ends at loll/groundwater 1 <br /> Interface <br /> 0 OR From wall next to tank <br /> uster ends at soil/ i <br /> groundwater Interface <br /> SLAB PRESENT IN THE TANK PIT <br /> Soil samples shall be obtained beneath the slab within native soils. Penetration through the obstruction will be required In order <br /> 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 /> N (Gallons) of SOIL SAMPLES <br /> < 1,000 3 per Tank Center and Ends OR Sides of Tank <br /> 1,000 - 10,000 S per Tank Center and Ends OR Sldes of Tank <br /> > 10,000 3 OR More per Tank Ends and Middle and generally spaced along <br /> (he length of the Tank <br /> Pit 23 046 (Revised 9/11/96) Page 7 <br />