Laserfiche WebLink
• h <br /> SA LING PROTOCOL FOR ROUTINE TANK'hAlOVALS <br /> i <br /> Tile following represents minimum sadipling 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 /> i <br /> WATER NOT PRESENT IN THE TANK PIT <br /> TANK TANK SIZE MINIUM NUMBER LOCATION OF SOIL SAMPLES I <br /> # (Gallons) of SOIL SAMPLES <br /> G 1,000 I per Tack Fill OR .Pump End of Tank <br /> 1,000 - 10,000 2 per Tank 1 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 /> l d PIPING SOIL SAMPLES 1 Sample every 20 lineal feet } <br /> TANK& PIPING STOCKPILE SAMPLES. 2 Samples every 50 cubic yards <br /> 7 <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 /> I <br /> groundwater interface <br /> I <br /> i <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 coIIect the samples. (Physical removal of the obstruction will allow sampling according to the above conditions.) <br /> i <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 i <br /> 1,000 - 10,000 5 per Tank 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 9/1.1/96) _ Page 7 <br /> i <br />