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t <br /> r� A Keith Kaufman, M.S. <br /> Consultant in Environmental Biotechnology <br /> January 17, 1996 Serving Industry Government Academia and the Legal Profession <br /> TO: Mr Bob Marty (Advanced GeoEnvironmental) <br /> FROM: A Keith Kaufman <br /> Subject: Results of Physicoch rruca1 and Microbiological Analyses of Three (3) Soil <br />' Samples (Top Filling Station) <br /> Listed below are the results from the referenced analyses performed on three (3) soil samples <br /> collected on 12/5-6195 from the above referenced site and received from Alpha Analytical <br /> Laboratories on 1/9/96 and 1/10/96 Please note that due to the age of the samples, results will <br /> likely not reflect actual conditions at the site during the time of original sample collection <br /> Samples were designated 95-1213-32-5, 95-1213-032-4, and 95-1208-001-2 Microbial analysis <br /> was requested for sample 95-1213-032-4 only After appropriate dilution, samples were plated <br /> onto TSA and MSA supplemented with 5,000 ppm gasoline (per Bob Marty) as sole carbon <br /> substrate Cultures were incubated under aerobic conditions at room temperature for four (4) <br /> days prior to enumeration Physicochemical analyses were performed in accordance with <br /> previously described protocol <br /> RESULTS <br /> VW.;5f0'GD VWZe&.a VWIG 2-5 <br /> Parameter 5-1213-32-8 95-1213-032--4 95-1208-001-2 <br /> PH 8.0 79 74 <br /> Nitrate (ppm) 40 5 0 50 <br /> Ammomum (ppm) 12 17 ND <br /> Phosphate (ppm) 33 34 40 <br /> Potassium (ppm) 547 170 112 <br /> I % Moisture 173 2Q 3 136 <br /> LLND� NotDtecda <br /> Enum <br /> 3/gram) NA NC NA <br /> Enuili <br /> 05/gram) NA NC NA <br /> aders --- --- <br /> et, - <br /> at limit of 0 1 ppm, NA=Not Analyzed per ChentRequest, NC-No Count at 10'2 final dilution <br /> 6245 Bristol Parkway#249 " Culver City, CA 90230 (310)577-9364[FAXJ <br /> (310) 822-9385 <br />