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Keith Kaufman, M S <br /> Consultant in Environmental Biotechnology <br /> Serving Industry,Government Academia and the Legal Profession <br />' February 7, 1997 <br />' TO Mr Bill Little (Advanced GeoEnvironmental [North]) <br /> FROM A Keith Kaufman C(f <br /> rSubject Results of Physicochemical and Microbiological Analyses of One (1) Soil Sample <br /> (Arco Mint Mart) <br /> Listed below are the results from the referenced analyses performed on one (1) soil sample, <br /> designated B8-15, collected on 01/28/97 and received on 01/30/97 The sample appeared to <br /> consist of slightly moist, reddish brown silty clays yielding a slight odor of petroleum <br /> hydrocarbons After appropriate dilution, the sample was plated onto TSA and MSA <br /> supplemented with 1,500 ppm gasoline [plate 11, and 1 ,500 ppm diesel fuel (plate 21 as sole <br /> carbon substrates (per COC instructions) Cultures were incubated under aerobic conditions <br /> at room temperature for six (6) days prior to enumeration Physicochemical analyses were <br /> performed in accordance with previously described protocol <br /> RESULTS <br /> Parameter B8-15 <br /> pH 79 <br /> Nitrate Nitrogen(ppm) 70 <br /> Nitrate ion (ppm) 309 <br /> Ammonia Nitrogen (ppm) 220 <br /> Ammonium (ppm) 284 <br /> Ortho-Phosphate (ppm) 74 <br /> Potassium (ppm) 394 <br /> Percent Moisture 78 <br /> Gen Micr Enum <br /> (CFU X 10'/gr) NO <br /> SPI Mirr Fniirn <br /> (CFU X 902/gr) Gasoline NO <br /> Diesel 002 <br /> % Biodegraders Gasoline (ND) Diesel (ND) <br /> • <br /> United States Office Asia-Pacific Office <br /> 6245 Bristol Parkway#249 2nd Floor,#162 Tung-An Street,Ta-An Distinct <br /> I Culver City CA 90230 Taipei,Taiwan R O C <br /> (310)822-9385 (310)577-9364[FAX] 886-2-378-3751 886-2-378-3752[FAX) <br />