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JA. Keith Kaufman, M.S. <br />' Consultant in Environmental Biotechnology <br /> . Serving Industry,Government Academia and the Legal Profession <br /> November 17, 1998 <br /> TO- Mr Bill Little (Advanced Geo Environmental, Inc ) <br /> FROM A Keith Kaufman <br /> ' Subject Results of Physicochemical and Microbiological Analyses of Three (3) Soil <br /> Samples (MBP-Lodi) <br /> Listed below are the results from the referenced analyses performed on three (3) soil samples <br /> collected on 10/29-11/30/98 and received on 11/2 and 11/5/98, respectively it is our <br /> understanding that S131-30 represented a native (i a uncontaminated) specimen After <br /> appropriate dilution, samples were plated onto TSA and MSA supplemented with 5000 ppm <br /> gasoline as sole carbon substrate Media were prepared at ambient pH Cultures were <br /> ' Incubated under aerobic conditions at room temperature for six (6) days prior to enumeration <br /> Physicochemical analyses were performed in accordance with previously described protocol <br /> RESULTS <br /> Parameter SB11-35 S84-20 S64-40 <br /> PH 100 96 94 <br /> ' Nitrate-N (ppm) 11 0 9 0 100 <br /> Nitrate (ppm) 48 4 39 6 440 <br /> ' Ammonia-N (ppm) 3 0 ND ND <br /> 1 Ortho-P (ppm) 203 7 1 24 9 <br /> Potassium (ppm) 130 165 108 <br /> % Moisture 134 13 2 200 <br /> ' Gen Micr Enum <br /> (CFU X 105/gr) < 104 < 104 < 104 <br /> Sel Micr Enum <br /> (CFU X 105/gr) <103 < 103 < 103 <br /> ND, Not detected at limit of 0 1 ppm <br /> • CFU, Colony-forming Units (viable cells) <br /> United States office Asia-Pacific Office <br /> 6245 Bristol Parkway#249 2nd Floor,#162 Tung-An Street,Ta-An District <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 />