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A. Keith Kaufman, M S <br /> March 12 1996 Consultant in Environmental Biotechnology <br /> ' Serving Industry, Govemment, Academia and the Legal Piofeasion <br /> TO. Mr Bob Marty (Advanced GeoEnvironmental [North]) <br /> FROM- A Keith Kaufman #1/ <br /> Sub ect Results of Physicochemical and Microbiological Analyses of Seven (7) Water <br /> — Samples (GLDM) <br /> Listed below are the results from the referenced analyses performed on seven (7) water samples <br /> received on 3/1/96 (collection on 2/29/96) Samples were designated as MW-6, MW-7, MW-10, <br /> MW-11, MW-13, MW-1 4, and EW-1 After appropriate dilution, samples were plated onto TSA <br /> and MSA supplemented with SO ppm gasoline as sole carbon substrate Cultures were incubated <br /> I under aerobic conditions at room temperature for four (4) days prior to enumeration <br /> Physicochemical analyses were performed in accordance with previously described protocol <br /> RESULTS <br /> Saint}le 1 D <br /> Parameter MW-6 MW-7 MW-10 MW-11 MW-13 MW-14 1;W-1 <br /> pH 71 73 72 72 72 71 70 <br /> Nitrate (ppm) ND ND 84 ND 88 40 ND <br /> Nitrite (ppm) ND ND 06 ND 03 06 03 <br /> Ammon (ppm) 151 066 031 1 7 01 129 52 <br /> Phosph (ppm) 37 292 166 77 37 2 1 49 <br /> Pot.:--- (Fpr) 5 6 7 R 1 3 21 24 46 37 <br /> Gen Micr <br /> Pop (X105) 146 48 36 462 66 59 54 <br /> 5el Micr <br /> Pop (X105) 46 074 076 42 22 11 65 <br /> I % Biodegrad 31 5 15 4 21 1 91 33 3 186 >100 <br /> IND = Not detcc,tcd at limit of 0 1 ppm <br /> 6245 Bristol Parkway#249 Culver City, CA 90230 (310) 577-9364[FAX] <br /> (3 f 0) 822-9385 <br />