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' A. Keith Kaufman, M S <br /> • Consultant in Environmental Biotechnology <br />' Serving Industry,Government Academia and the Legal Profession <br /> July 3, 1997 <br />' TO Mr Tim Cuellar (Advanced Geo Environmental [North]) <br /> FROM A Keith Kaufman 6_/ <br /> Subject Results of Physicochemical and Microbiological Analyses of One (1 ) Soil Sample <br />' (Cal Fuels) <br />' Listed below are the results from the referenced analyses performed on one (1 J! soil sample, <br /> designated VW-2@25 collected on 6/17/97 The sample consisted of slightly moist, grey- <br /> brown silty clays containing a strong TPH odor After appropriate dilution, the sample was <br />' plated onto TSA and MSA supplemented with 2,500 ppm gasoline as sole carbon substrate <br /> Cultures were incubated under aerobic conditions at room temperature for six (6) days prior <br /> to enumeration Physicochemical analyses were performed in accordance with previously <br /> described protocol <br /> • RESULTS <br /> I Parameter V-2025 <br /> 2 <br /> —� <br /> pH 88 <br /> Nitrate Nitrogen (ppm) 90 <br /> Ammonium Nitrogen (ppm) 170 <br /> Orthophosphate (ppm) 178 <br /> Potassium (ppm) 91 <br /> I % Moisture 157 <br /> Gen Micr Enum <br /> (CFU X i0$/gr) ND <br /> Sel Micr Enum <br /> (CFU X 105/gr) 0 004 <br /> % Blodegraders ---- <br /> JI <br /> ND = Non detectable <br /> United States Office Asia-Pacific QPlice <br /> 6245 Bristol Parkway#249 - 2nd Floor,#I62 Tung-An Street,Ta An District <br /> Culver City,CA 90230 Taipei,Taiwan R 0 C <br /> (310)822-9385 (310)577-9364[FAX] 886-2-378-3751 886-2-378-3752(FAX) <br />