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A. Keith Kaufman, M.S. <br /> July 29, 1996 Consultant In Environmental Biotechnology <br /> Serving Industry, Govemment, Academia and the Legal Profeuion <br /> TO: Mr. Bob Marty (Advanced GeoEnvironmental [North]) <br />' FROM: A. Keith Kaufman <br /> iSubject: 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 /> collected on 7/17/96 and received on 7/18/96. After appropriate dilution, the samples were plated <br /> onto TSA and MSA supplemented with 50 ppm gasoline as sole carbon substrate (per Bob <br /> Marty). Cultures were incubated under aerobic conditions at room temperature for four (4) days <br /> prior to enumeration. Physicochernical analyses were performed in accordance with previously <br /> described protocol. <br /> RESULTS <br /> Parameter MW-6 MW-7 MW-10 MW4 U MW=13 NlW-14 EW-i <br /> pH 7.5 7:S 7.6 7:4 . .7.5 7.2.. 7.5 <br /> Nitrate (ppm) ND ND ND 0.4 2:9 ND ND <br /> Nitrite (ppm) ND 1.8 1.2 0.3 ND ND 1.2 <br /> IAni =omuin ( pin) 11.6 1.0.. . 1.0 :2.6:. 6.8. 1.9: 2.9 <br /> Phosphate (ppm) ND 1.4 2.4 3 3 91. 1.9 1.6 <br /> Potassium'(PPM) : 2.3 3.1 4.1 43- 5.1 5.9' 6.0 <br /> Gen. Miu. Enum <br /> (CFU X.,1011nnlls. 2.66.,. 1:76 2:20 066. 1.82 0.54 3.22 <br /> Sel. Micr. Enure. <br /> (CFU X.105/ml): 1.00 0.:10 0.10 0.36- . 0:10 0.04:` 0.90 <br /> Biodegraders 38:3. 9 1; >: 4.5 54.5'.-. 5.4 . , 7.4 27.9. <br /> Avera a %a Biode raders 21 fl. <br /> ND =not detected at detection Iimit of 0:1 ppm <br /> 6245 Bristol Parkway#249 Culver City, CA 96230 (310)577-9364[FAX] <br /> (310) 822-9385 <br />