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r <br /> Harding Lawson Associates <br />' June 19, 1998` <br /> Project Newark Sierra <br />' Project No 4034404 <br /> Attn Gary Haeck <br /> Harding Lawson Associates <br /> 10265 Rockingham Drive, Suite 150 <br /> Sacramento, California 95827 <br /> Subject: Microbial Results <br /> Matrix Soil <br /> Date Collected 4/28/98 <br /> Date Received 4/30/96 <br /> Date Processed 5/5/98 <br /> Analysis - Method <br /> Total Plate Count Spread plate method 30° CJ72 hours Plate Count Agar <br /> Methods of Soil Analysis 1965 Agronomy No 9, pp 1460- <br /> 1466 <br /> Hydrocarbon Utilizer Count Most Probable Number Method 30° C/2 weeks Basal Media <br /> and Diesel Canadian Journal of Microbiology 1978 24 <br /> pg 552-557 <br /> Result <br /> Result Hydrocarbon <br /> Sample HLA Total Count Utilizers <br /> Designation Sample No (CFU/g*) (CFU/g*) <br /> SB-1-5 0 98-6871 4 1 x 105 3 3 x 103 <br /> SB-2-5 0 98-6872 2 8 x 105 1 6 x 105 <br /> * Colony forming umt/gram of soil wet weight <br /> Donald R Smallbeck <br /> rPrincipal Environmental Scientist <br /> DRS/ld/COFlDRS/New&&doc <br /> r <br /> Enginoenng and <br /> Environmental Services 90 Digital Drive Novato CA 94949 415/883 0112 Fax 415/884 3300 <br />