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Harding Lawson Associates <br /> June 19, 1998 <br /> Protect TVG <br />' Project No 38737 006 <br /> Attn Gary Haeck <br /> 1 Harding Lawson Associates <br /> 10265 Rockingham Drive, Suite 150 <br /> Sacramento, California 95827 <br />' Subject Nhcrobial Results <br /> Matrix Soil <br /> Date Collected 3/27/98 <br /> Date Received 3/31/98 <br /> Date Processed 4/3/98 <br /> Analysis Method <br />' Total Plate Count Spread plate method 30° Q72 hours Plate Count Agar <br /> Methods of Soil Analysis 1965 Agronomy No 9, pp 1460- <br /> 1466 <br /> M Hydrocarbon Utilizer Count Most Probable Number Method 30° Q2 weeks Basal Media <br /> and Diesel Canadian Journal of Microbiology 1978 24 <br /> pg 552-557 <br /> iResult <br /> Result Hydrocarbon <br /> Sample HLA Total Count Utilizers <br /> ' Designation Sample No (CFU/g*) (CFU/g*) <br /> HP-35E 98-6842 6 4 x 104 9 2 x 104 <br /> HP-35F 98-6843 1 2 x 108 14 x 103 <br /> * Colony forming unit/gram of soil wet weight <br /> Donald R Smallbeck <br /> Principal Environmental Scientist <br /> DRS/1dICOFJDRS/ G doc <br /> Engineenng and <br /> ' Environmental Services 90 Digital Drive Novato CA 94949 415/883 0112 Fax 415/884 3300 <br /> l <br />