Laserfiche WebLink
-04-1999 4:49PP 1 FPOI 1 P. S . <br /> SAMPLING PROTOCOL FOR ROUTINE TANK REMOVALS <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 (tarok'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 (5) <br /> working days pursuant to California Health& Safety Code, Section :.5295. <br /> WATER NOT PRESENT LN THE TANK PIT <br /> TANK T $F,1tL LOCATION OF SOIL SAMPLES <br /> Fill OR Pump End of Tank <br /> 1,000 - 10,000 2 per Tank k at each End of Tank <br /> > 10,000 3 or Mom- Ends and Middle OR generally <br /> per Tank: spaced along the length of the Tani: <br /> PIPING AND STOCK:?1LE <br /> I <br /> PIPING SOIL SAMPLES 1 Sun le every 20 lineal feet <br /> TANK & PIPING STOCKPILE SAMPLES 2 Samples every 50 cubic yards <br /> WATER IS PRESENT IN TANK PIT <br /> TANK TANK SIZETomf <br /> INIMUM NUNIBhK I LOCATION of SOIL j MINIMUM NUMBER of <br /> n (:Gallons) SOIL SAMPLES � SAMPLES WATER SAMPLES <br /> < 10,000 I From wall next to tank <br /> Single Tank 2 ends at soill groundwater <br /> 1 <br /> ! interface <br /> s > 10,000 OR I From wall next to tank <br /> Tank Cluster s I ends at soill 1 <br /> pvmdwater interface <br /> SLAB PRESENT IN THE TANK PT'T' <br /> Soil samples shall be obtained beneath the stab within naive soils. Penetration through the obstruction will be required in order to <br /> 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 f 5 per Tank Center and Ends OR Sides of Tank <br /> > 10,000 I 5 OR More per Tank Ends and Middle and generally spaced along <br /> the Iength of the Tank <br /> EH 23 046 (Revised i0il9jW) page'f <br />