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A. Keith Kaufman, M.S. <br /> Consultant in Environmental Biotechnology <br /> Serving Industry,Government,Academia and the Legal Profession <br /> March 11, 1999 <br /> TO: Mr. Kevin McKibben (Advanced GeoEnvironmental, Inc.) <br /> IFROM: A. Keith Kaufman / <br /> Subject: Results of Physicochemical and Microbiological Analyses of Four (4) Soil <br /> ISamples (Geweke) <br />' Listed below are the results from the referenced analyses performed on four (4) soil samples <br /> collected on 219-2110199 and received on 2112199. After appropriate dilution, samples were -i <br /> plated onto TSA and MSA supplemented with 1000 ppm gasoline as sole carbon substrate. <br />' Media were prepared at ambient pH. Cultures were incubated under aerobic conditions at <br /> room temperature for six (6) days prior to enumeration. Physicochemical analyses were <br /> performed in accordance with previously described protocol. <br /> RESULTS <br />' ^Parameter X27-30 P22-35 P26-40 P25-50 <br /> pH 7.5 7.4 7.9 7.1 . <br /> Nitrate-N (ppm) 10.0 9.0 9.0 8.0 <br /> Nitrate (ppm) 44.0 39.6 39.6 35.2 <br /> Ammonia-N (ppm) 8.0 9.0 7.0 8.0 <br /> Ammonium (ppm) 10.4 11 .7 9.1 10.4 <br /> Ortho-P (ppm) 20.3 19.0 23.3 14.1 <br /> IPotassium (ppm) 87 107 78 65 <br /> I % Moisture 13.4 10.5 20.2 6.8 <br /> Gen. Micr. Enum. <br /> I (CFU X 105/gr) 0.02 0.03 0.03 ND <br /> Sel Micr. Enum. <br /> (CFU X 105/gr) 0.02 0.03 0.03 ND <br /> % Biodegraders 100 . 100 100" ---- <br /> ND; Not detected at limit of 0.1 ppm/10-2 dilution <br /> I n -f rmin nit$ via le cells <br /> United States Office Asia-Pacific Office <br /> I 6245 Bristol Parkway 11249 2nd Floor,#1162 Tung-An Street,Ta-An District <br /> Culver City,CA 94230 Taipei,Taiwan R.O.C. <br /> (314)822-9385 (314)577-9364[FAX] 886-2-378-3751 886-2-378-3752[FAX] <br />