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A. Keith Kaufman, M.S. <br /> Consultant in Environmental Biotechnology <br /> Serving Industry Government Academia and the Legal Profession <br /> May 5, 1997 <br /> TO Mr Bill Little (Advanced GeoEnviron mental [North)) <br />' FROM A Keith KaufmanX07 <br /> Subject Results of Physicochemical and Microbiological Analyses of Two (2) Soil <br /> Samples (Guerdino and Crawford) <br /> ' Listed below are the results from the referenced analyses performed on two (2) soil samples, <br /> designated P5-1 5 and P7-10, received on 4/22/97 After appropriate dilution, the samples <br /> ' were plated onto TSA and MSA supplemented with 250 ppm gasoline (for Sample P5-15) and <br /> 500 ppm gasoline (for Sample P7-10) as sole carbon substrate (per Bill Little) Cultures were <br /> incubated under aerobic conditions at room temperature for seven (7) days prior to <br /> ' enumeration Physicochemical analyses were performed in accordance with previously <br /> described protocol <br /> t • RESULTS <br /> Parameter P5-15 P7-1 d <br /> ' pH 93 91 <br /> Nitrate Nitrogen (ppm) 80 70 <br /> Nitrate ton (ppm) 352 308 <br /> Ammonia Nitrogen (ppm) 170 190 <br /> ' Ammonium (ppm) 2193 2451 <br /> Ortho-Phosphate (ppm) 381 289 <br /> Potassium (ppm) 111 236 <br /> ' % Moisture 15 13 <br /> Gen Micr Enum <br /> ' (CFU X 105/gr) 1 64 04 <br /> Sel Micr Enum <br /> ' (CFU X 1051gr) 30 0 002 <br /> % Biodegraders X100% 050% <br /> 1 <br /> 1 United States Office Asia-Pathic Office <br /> 6245 Bnstol Parkway#1249 2nd Floor,#162 Tung-An Street,To An Distna <br /> ' 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 />