Laserfiche WebLink
SAMPL PROTOCOL FOR ROUTINE TANK REIN` ArLS <br />' The followmg represents minimum sampling criterion required for closure compliance. Soil samples collected shall be <br /> Ar resentative of native soils beneath the tank's invert(tank's bottom)at a collection depth not to exceed 2-4 feet. If <br /> 'Whtammation is documented during closure. an Unauthorized Release Nonficauon must be completed and submitted within five (5) <br />' working days pursuant to California Health&Safety Code, Section 25295 <br /> WATER NOT PRESENT IN THE TANK PIT <br /> TANK TANK SIZE MINIMUM NUMBER LOCATION OF SOIL SAMPLES <br />' # (Gallons) of SOIL SAMPLES <br /> c 1,000 1 W Tank Fill OR EM End of Tank <br />' 1,000 - 10,000 2 2E Tank I at each End of Tank <br /> > 10,000 3 or More Ends and Middle OR generally <br />' per Tanis spaced along the length of d!ie Tank <br /> PIPING AND STUCK UZ <br /> IPIPING SOIL SAMPLES I S le every 20 lined feet <br /> TANK& PIPING STOCKPILE SAMPLES 2 Samples every 50 cubic yards <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 /> I < 10.000 From wall next to tank <br /> Single Tank 2 ends a soil/groundwater L <br /> interface <br /> > 10.000 OR From wall neat to tank <br /> Tank Cluster 4 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 wdl be required in order to <br /> collect the samples. (Physical removal of the obstruction will allow sampling according to the above condiuons.) <br /> TANK TANK SIZE MINIMUM NUMBER LOCATION of SOIL SAMPLES <br /> # (Gallons) of SOIL SAMPLES <br /> C 1.000 3 Per Tank Center and Ends OR Sides of Tank <br /> 1,000- 10,000 5 jer 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 10/19/98) Page 7 <br />