Laserfiche WebLink
1 ![ <br /> k ( � <br /> r SAMr(,)4G PROTOCOL FOR ROUTINE TANK VALS <br /> E <br /> The 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 within five <br /> (5) working days pursuant to California Health & Safety Code, Section 25295.' <br /> Ei <br /> WATER NOT PRESENT IN THE TANK PIT <br /> `f <br /> TANK TANK SIZE MINIMUM NUMBER LOCATION OF SOIL SAMPLES <br /> # (Gallons) of SOIL SAMPLES ; <br /> < 1,000 1 per Tank Fill O End of Tank <br /> 1,00 - 10,000 --22—p er Tank ;"at eac End of Tank <br /> -------------------- <br /> > 10,000 3 or More Ends and \Middle OR generally <br /> per Tank spaced along the length of the Tank <br /> r <br /> PIPING AND STOCKPILE <br /> 4 <br /> PIPING SOIL SAMPLES 1 Sample every 20 lineal feet <br /> TANK & PIPING STOCKPILE SAMPLES 2 Samples every 50 cubic yards <br /> �3 <br /> WATER IS PRESENT IN TANK PIT <br /> TANK TANK SIZE MINIMUM NUMBER LOCATION of SOIL MINIMUM NUMBER of <br /> # (Gallons) of SOIL SAMPLES SAMPLES WATER SAMPLES <br /> < 10,000 From wall;next to tank <br /> Single Tank 2 ends at soil/ groundwater 1 <br /> interface <br /> > 10,000 OR From wall;next to tank <br /> Tank Cluster 4 ends at soil/ 1 <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 i 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 EI Center and Ends OR Sides of Tank <br /> > 10,000 5 OR More per Tank Ends and Middle and generally spaced along <br /> the length of the Tank <br /> EH 23 046 (Revised 9111/96) Page 7 <br /> i� <br />