REMOVAL_1989 - Laserfiche WebLink

Home Browse Search

SN JOA AQUIN LOCAL i-iMU -rH DISTRICT 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 [tank's bottom] at a collection depth not be exceed 2 - 4 feet. if contamination is documented during closure, an Unauthorized Release notification must be filled out and submitted to SJLHD within 5 days. Section 2652, CCR. _— WATER NOTPRESENTIN THE TANK PIT TANK SIZE MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES SOIL SAMPLES Less than 1000 gallons ONE per tank Fill or pump end of tank 1000 - 10,000 gallons TWO per tank One at each end of tank 10,001 gallons and up THREE OR MORE Ends and Middle or per tankgenerall spaced along the length of the tank Piping I ONE EVERY 20 LINEAL FEET WATER IS PRESENT IN TANK PIT TANK SIZE MINIMUM NO. OF LOCATION OF SOIL MINIMUM NUMBER SOIL SAMPLES SAMPLES OF WATER SAMPLES 10,000 GALLONS From wall next to OR( SS Single tank ends at soil/ (.,angle Tank) TWO groundwater ONE interface �A� THAN From wall next to ONE OR 10,000 GALLONS tank ends at soil/ TANK CLUSTERgroundwater FOUR interface OTHER SPECIAL CONDITIONS SLAB PRESENT IN TANK PIT Soiles ll be thelobstructionawilll bebrequired inath orderetolab collectithesamples. (Phystive soils. icalrremoval of the obstruction will then allow sampling according to the above conditions. ] TANK SIZE + MINIMUM NUMBER OF LOCATION OF SOIL SAMPLES [Less SOIL SAMPLES than 1000 gallons THREE per tankCenter and ends or sides 0 - 10,000 gallons FIVE per tank Center and ends or sides 001 gallons and up FIVE OR MORE per Ends and Middle and tank generally spaced along the length of the tank EH 23 047 12/88 REVISED 1/89