Laserfiche WebLink
SAN .7OAQUIN COUNTY PUBLIC HEALTH SERVICES <br /> SAMPLING PROTOCAL FOR ROUTINE TANK REMOVALS <br /> The following COVC440nts minimum sampling criterion required for closure compliance. <br /> Soil samples collaQtajj shall be representative of native soils beneath the tank's <br /> invert (tank's at a collection depth not to exceed 2 - 4 feet. If contamination <br /> is documented duvLnq closure, an Unauthorized Release Notification must be completed and <br /> submitted wlthlil 7 w0eking days. California Health & Safety Code-Sec. 25295. <br /> WATER NOT PRESENT IN THE TANK PIT <br /> r TANK IC-E MINIMUM NUMBER of LOCATION of SOIL SAMPLE <br /> SOIL SAMPLES <br /> LESS THA" .1,O00 GALLONS ONE per tank Fill or pump end of tank <br /> 1'000 - to oQ <br /> 0 GALLONS TWO per tank One at each end of tan <br /> 10,001 OA[,r-QN,1 and UP THREE or MORE Ends and Middle or <br /> per tank generally spaced along <br /> the length of the tank <br /> PZ['CN�J ONE per EVERY 20 LINEAL FEET <br /> WATER IS PRESENT IN TANK PIT <br /> TANK 51;x; MINIMUM NO. of LOCATION of SOIL MINIMUM NUMBER <br /> SOIL SAMPLES SAMPLES of WATER SAMPLES <br /> 10,000 OA[,f,gpl;� From wall next ,to <br /> or LF.11 tank ends at soil/ <br /> (Sing 1a 'Ca�ile) TWO groundwater ONE <br /> interface <br /> GREATEtI 'UllADl From wall next to <br /> 10,000 OAI.C.Q 4 FOUR tank ends at soil/ <br /> or groundwater ONE <br /> TANK CC,UU'l��;ll interface <br /> SLAB PRESENT IN TANK PIT <br /> Soil samples 4h411 ba obtained beneath the slab within native soils. Penetration through <br /> the obstruction wi,11 tae required in order to collect the samples. (Physical removal of <br /> the obstruction w11 <br /> L Allow sampling according to the above conditions. ] <br /> ir TANK S17,C MINIMUM NUMBER of LOCATION of SOIL SAMPLES <br /> SOIL SAMPLES <br /> LESS TITAN 1,000 GALLONS THREE per tank Center and ends or sides <br /> 1,000 - 10,g1)Q GALLONS FIVE per tank Center and ends or sides <br /> 10,000 att[,f,i)flrl and UP FIVE or MORE per Ends and Middle and <br /> tank generally spaced along <br /> the length of the tank <br /> EH 23 047 ft <br /> Page 7 <br />