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I <br /> JA. Keith Kaufman, M S. <br /> Consultant in Environmental Biotechnology <br /> Serving Industry,Government Academia and the Legal Profession <br />' July 3, 1997 <br />' TO: Mr. Tim Cuellar (Advanced Geo Environmental [North)) <br /> FROM: A Keith Kaufman (i� <br /> Subject: Results of Physicochemical and Microbiological Analyses of One (1) Soil Sample <br />' (Cal Fuels) <br /> Listed below are the results from the referenced analyses performed on one (1) soil sample, <br />' designated VW-2@25 collected on 6117;97 The sample consisted of slightly moist, grey- <br /> brown silty clays containing a strong TPH odor After appropriate dilution, the sample was <br /> plated onto TSA and MSA supplemented with 2,500 ppm gasoline as sole carbon substrate <br />' Cultures were incubated under aerobic conditions at room temperature for six (6) days onor <br /> to enumeration Physicochemical analyses were performed in accordance with previously <br /> described nrotor•ol <br /> r <br /> RESULTS <br /> Parameter V-26-D25 <br />' pH 8.8 <br /> Nitrate Nitrogen (ppm) 90 <br /> Ammonium Nitrogen (ppm) 170 <br />' Orthophosphate (ppm) 178 <br /> Potassium (ppm) 91 <br />' % Moisture 157 <br /> Gen Micr Enum <br /> (r`.m I X I ri l l r) ND <br />' Sel Micr Enum <br /> (CFU X 105/g r) 0.004 <br /> % Biodegraders ---- <br /> ND = Non detectable <br />' United States office Asia-Pacdic ofGee <br /> 6243 Bnstd Pwkway 0249 _ -_ 2nd floor.0152 Ting-Aa Street,TD-An Nutria <br /> C uhw Ery.G 90230 - - '~ - Tai xd.TwWaa RAM <br /> (310)822-9385 (310)577-9364[FAX] 886.2-378-3751 U6-2-378-3752[FAX] <br />