REMOVAL REMOVAL 1990 - Laserfiche WebLink

Home Browse Search

• PUBLIC HEALTH SERVICE..S . San Joagt-tin County P.D. Box 2009 1601 East Hazelton Avent.te Stockton, California 95201 SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS The following represents minimum sampling criterion required for closure compliance. Soil samples collected shall be representative of native soils beneath the tank's Invert ttank's bottom) at a collection depth not be exceed 2 -- 4 feet. If contamination Is do Umented during closure, an Unauthorized Release notification must be filled out and subm do to SJLRD within 5 days: Section 2652, CCR. WATER NOT PRESENT IN THE TANK PIT TANK SIZE MINIMUM NUMBER OF ..... ...... I....... LOCATION OF SOIL SAMPLES SOIL SAMPLES �Lyss than 1000 gallons ONE per tank Fill or pump end of tank 1000 - 10000 gallons TWO pet tank One at each end of tank 10,001 gallons and up THREE OR MORE Ends and Middle or per tankgenerally spaced along the length of the tank Piping ONE EVERY 20 LINEAL FEET t.: ILa. _ • : �� : t.l. Y TANK Size MINIMUM NO. OF LOCATION OF SOIL MINIMUM NUMBER SOIL SAMPLES SAMPLES OF WATER SAMPLES 10,000 GALLONS From wall next to OR LESS tank ends at soil/ (Single Tank) TWOgroundwater ONE interface GREATER THAN From wall next to ONE 10,000 GALLONS ytank ends at soil/ TANK CLUSTER FOUR interfaceer C7T14ER SPECI nt, CONDI=C]NS SLAB PRESENT IN TANK PIT Soil samples shall be obtained beneath the slab within native soils. Penetration through the obstruction will be required in order to collect the samples. tPhysical removal of the obstruction will then allow sampling according to the above conditions.) TANK 912E MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES SOIL SAMPLES Less than 1000 gallons THREE per tank Center and ends or sides 1000 - 10,000 gallons FIVE pet tank center and ends or sides 10,001 gallons and up FIVE OR MORE per Ends and Middle and tank generally spaced along the length of the tank Ell 23 041 12/88 REVISED 1/89