Laserfiche WebLink
Ms. Margaret Lagorio January 22 , 1991 <br /> San Joaquin County Public Health Services page 2 <br /> A total of nine (9) soil samples will be collected from the <br /> site, as follows: <br /> Sample No. Location Depth (ft.) <br /> Below Ground Surface <br /> 1 North end pit bottom 13 <br /> 2 South end pit bottom 13 <br /> 3 North side wall 10 <br /> 4 South side wall 10 <br /> 5 East side wall 10 <br /> 6 West side wall 10 <br /> 7 -Stockpile No. 1 18 inches below pile surface <br /> 8 Stock ile No. 2 18 inches below pile surface <br /> 9 Stockpile No. 3 18 inches below pile surface <br /> 3 . Soil samples are to be tested for benzene, toluene, xylene, <br /> ethylbenzene, total petroleum hydrocarbons as gasoline, and <br /> EDB. Detection limits listed in the LUFT Field Manual should <br /> be used. <br /> The original Work Plan called for analysis of only EDB. As <br /> requested by the EHD, each soil sample will be analyzed for <br /> BTEX, TPH as gasoline and EDB. The detection limits listed in <br /> the LUFT Field Manual will be utilized where possible. <br /> Analysis will be performed by the WESTON Analytics Stockton, <br /> California laboratory which is certified by the State of <br /> California for the required analyses. <br /> Analytical Methods are listed below: <br /> Analyses Method Detection Limit <br /> BTEX EPA 8020 0. 025 mg/Kg <br /> TPH as gasoline EPA 8015 Modified 1. 0 mg/Kg <br /> EDB GC504 0. 6 ug/Kg <br />