Laserfiche WebLink
SAMPLING -TOCOL FOR ROUTINE TANK REMN.AV.S I I' <br /> i <br /> 'I•he following represents minimum sampling criterion required for closure compliance. Soil samples collected shall be <br /> entative of native soils beneath the tank's Invert (tank's,bottom) at a collection depth not to exceed 2-4 feet. If <br /> �,;dnatlon Is documented during closure,an Unauthorized Release Nodricntlon must be completed and submitted <br /> within five (5) working days pursuant to California Health do Safety Code,Section 25295. <br /> WATRit Vim'; m r.Srwr IN THIS TANK PIT <br /> TANK- TANK SIZE MINIMUM NUMBER LOCATION OF SOIL SAMPLES <br /> # ((talions) of SOII,SAMPLES <br /> < 1,(xx) I per Tank fill OR Pump End of Tank I <br /> I,U()q - 1%ow 2 per'rank I at each End of Tank i <br /> > I0'(XJ0 3 or More Ends and Middle OR generally <br /> per'rank spaced along the length of the Tank i <br /> PIPING' AND STOCKPILE ' <br /> PIPING SOIL SAMPLES 1 Sample every 20 lineal feet <br /> TANK do P1PINO S'T'OCKPILE SAMPLES 2 Samples every 50 cubic yards <br /> iYATgit IS Pitgs '1' IN TANK PIT I <br /> �VK TANK SIZE MINIMUM NUMBER LOCA770N of SOIL MINIMUM NUMBER of <br /> (0n1lons) of SOIL SAMPLES SAMPLES WATER SAMPLES <br /> „ <br /> < 10,M) From wall next to tank <br /> Single Tank 2 ends at soil/groundwater <br /> interface <br /> i <br /> > 10,fXXI OR From wall next to tank <br /> Tnnk Cinster 4 ends at soil/ 1 <br /> groundwater Interface <br /> i <br /> 'i <br /> SI.AD 1'nFswr IN THE TANK PIT <br /> Sell samples shall be obtained beneath the slab within native soils. 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 /> i <br /> - I <br /> TANK TANK SIZE MINIMUM NUMBER LOCATION of SOIL SAMPLES, <br /> �' (Qallnns) of SOIL SAMPLES <br /> < 1AX) 3 per Tank Center and Ends OR Sides of Tank <br /> 1,(Hx) - 10'o(X) 5 per Tank Center and Ends OR Stiles of Tank j <br /> > 10,W1) 5 OR More per Tank Ends and Middle and generally spaced along <br /> the length of the Tank <br /> Ell 23 047 (Revlsed 7/10/92) Page 7 <br /> i <br /> ' �I <br />