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San Joaquin County Local <br /> Health District <br /> November 16 , 1988 <br /> Page 2 <br /> 5 . ) Water Not Present In Tank Pit : <br /> Tank Size ( A) 0 to 1 , 000 gallons a minimum of one soil <br /> samples will be taken from either the pump <br /> or the fill end of the tank , below bottom of <br /> tank . <br /> ( B) 1 , 001 to 10 , 000 a minimum of two soil samples <br /> will be taken . One sample from each end of <br /> the tank , below bottom of tank . <br /> (C ) 10 , 001 and up a minimum of three soil samples <br /> will be taken spaced evenly along the length <br /> of the tank , below bottom of tank . <br /> 6 . ) Water is Present in Tank Pit : <br /> Tank Size (A) 10 , 000 gallons or less ( single tank) the <br /> minimum number of soil samples will be <br /> two from the tank wall at each end of <br /> soil/ground water interface . The minimum <br /> number of water samples shall be one . <br /> ( B) 10 , 001 and larger tank , or a cluster of <br /> tanks the minimum number of soil samples <br /> to be taken shall be four , one from each <br /> wall at soil/ground water interface . A <br /> minimum of one water sample shall be taken . <br /> CHEMICAL SECTION : <br /> 1 . ) Contents of Tank : <br /> Gasoline <br /> 2 . ) Residual : <br /> Tank is empty <br /> 3 . ) Authorization <br /> Soil analysis release form is attached . <br />