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1 <br />' Greer Property <br /> 15634 Steinegul Road September 9, 2000 <br /> Esealon, California Page: 6 <br />' Report of Findings <br /> Soil Boring B104/MW-6 <br />' A total of three (3) soil samples were collected for chemical analysis from this <br /> location The laboratory results indicate relatively high levels (as compared to the <br /> levels found in other borings on site) of BTEX and gasoline The soil sample <br /> Icollected at 70' contained Benzene at 5,200 ug/Kg, Toluene at 58,000 ug/Kg, <br /> Ethyl-Benzene at 22,000 ug/Kg, Total Xylenes at 150,000 ug/Kg, and gasoline at <br /> 1,800 mg/Kg The sample collected at 90' contains the same constituents at <br /> significantly lower levels 200 ug/Kg of Benzene, 280 ug/Kg of Toluene, 22 <br /> ug/Kg of Ethyl-Benzene, 120 ug/Kg of Total Xylenes, and 2 2 mg/Kg of gasoline <br /> The 100' sample contained Benzene at a concentration of 41 ug/Kg, Toluene at 70 <br />' ug/Kg, Ethyl-Benzene at 6 8 ug/Kg, and Total Xylenes at 45 ug/Kg <br />' The concentrations of the chemicals of concern show a decreasing trend with <br /> depth <br />' Wellbore MW-7/VE-3 <br /> Four (4) soul samples were collected from this wellbore for the purpose of <br /> chemical analysis The depths of sampling were 40', 75', 90', and 100' All <br /> samples were ND for every constituent except for MW-7 at 75' This sample <br /> contained Toluene at 110 ug/Kg, Ethyl-Benzene at 220 ug/Kg, Total Xylenes at <br /> 2,600 ug/Kg, and gasoline at 140 mg/Kg This well was not sampled for hydraulic <br />' parameters Appendix E provides the laboratory analytical data for the hydraulic <br /> parameters <br />' Wellbore MW-8 <br /> All four (4) soil samples collected from this wellbore were ND for all constituents <br /> under analysis <br /> Wellbore MW-9 <br />' Three (3) soil samples were collected for chemical analysis from this location All <br /> soil samples were ND for all constituents <br />' Wellbore MW-10 <br /> Wellbore MW-10 did not contain any of the chemicals of concern above the <br /> reporting limits — the soil samples were ND for all constituents A total of three <br />' (3) soil samples were collected from this wellbore <br /> Vapor Extraction Well VE-1 <br />' One soil sample was collected from this boring at a depth of 40' below ground <br /> • level At this depth Benzene was present at a concentration of 32 ug/Kg, Toluene <br /> at 65 ug1Kg, Ethyl-Benzene at 19 ug/Kg, Total Xylenes at 140 ug/Kg, and <br />' gasohne at 2 3 mg/Kg The porosity from the sample collected at 30' b g i was <br /> 0 4391 The permeability rate for this sample was 5 400-6 cm/sec The porosity <br />