Laserfiche WebLink
• SAMPLING PROTOCOL FOR ROUTINE TANK RE <br /> The following represents minimumsampling criterion required for closure compliance- Soil samples collected shall be <br /> representative of native sails beneath the ranl�s invert (tanl�s bottom) at a collection depth not to exceed 2 -4 feet. If <br /> contamination Is documented during closure, an Unauthorized Release NO <br /> must be completed and submitted <br /> within five (5) working days pursuant to California Health & Safety Cade, Section 25795. <br /> WATER NOT PRESENT IN THE TANK PIT <br /> TANK TANK SIZE MIlYLl4UM NUrdgER LOCATION OF SOIL SAMPLES <br /> (Gallons) of SOIL SAMPLES <br /> < 1,000 1 per Tank FM OR Pump End of Tank <br /> / 1,C00 - 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 /> PIPL'1G AND STOCKP= <br /> p=?[PLN;G <br /> LES 1 Sample ever/ 20 lineal feet <br /> ETTOCK?1LE SAMPLES 2 Samples every 50 tabic yards <br /> WA= IS PRESF—N7 IN TANK PIT <br /> ----------------- <br /> TANK C T.4ti<SIZ MLN iMUl�l N LAGER LOCATION of SOIL MII�+TNM NUM3ER of <br /> s T Icons) of SOI SAMPLES SAMPLES WATER SANTr ES <br /> < 10,000 From wall next to tank <br /> Single Tank 2 ends at soil/ gouudwa[er 1 <br /> interface <br /> > l0,CC0 OR From wall aer, to tank <br /> Tank Cl ster 4 ends at soil/ 1 <br /> groundwater interface p <br /> SUB PRESENT' IN THE TANK PIT <br /> Soil samples shall be obtained beneath the slab within native soyas. 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 /> Ta,1NK TANK S[ZE ,&E lMUbf NL MB ER LOCATION of SOIL SAMPLES <br /> (Gallons) of SOIL SAMPLES <br /> < 1 CCG 3 per Tank Center and Ends OR Sides of Tank <br /> 1,000 - 10,000 5 per Tank Center and Ends OR Sides of Tarok <br /> > 10,COO 5 OR More per Tank Ends and Middle and generally spaced along <br /> the length of the Tank <br /> EX 23 047 (Revised 7/70/92) Page 7 <br />