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1 24 The 55-foot-depth sample from borehole MW-11 was also tested for (vertical) ' hydraulic conductivity The hydraulic conductivity of this sample was measured to be 3 2 x 10-5 centimeters per second, or 9 1 x 10-2 feet per day 4.3 Soil Sample Microbiological Test Results Five soil samples were evaluated for total heterotrophic plate count (microbial ' identification and characterization), and the respective microbes ability to degrade fuel hydrocarbons MiL's microbiological report is contained in Appendix F ' Since these samples were collected from boreholes that were at the perimeter or outside of the zone of potential hydrocarbon impact, the microbial counts were expectedly low Higher counts would be anticipated where microbes have a food source, such as a fuel hydrocarbon, to thrive on However, identification of the four naturally-occurring microbes, ' and their respective ability to degrade hydrocarbons, provides beneficial information should biodegradation be used as a cleanup method All four strains of microbes that were discovered in the soil samples grew well (digested) on gasoline, three of those strains grew well on diesel-fuel ' 4.4 Groundwater Sample Analytical Results Groundwater sample analytical results are summarized on Table 5 Groundwater sample analytical reports are contained in Appendix D TVH-G and benzene isochemical contours are mapped on figures 9 and 10, respectively TVH-G and BTEX concentrations were not detected in groundwater samples collected from cross-gradient monitoring wells MW-6, MW-8, MW-11, and MW-12, from upgradient well MW-9, and from downgradient well MW-3 Measurable TVH-G groundwater sample concentrations ranged from 1,600 µg/L to 69,000 tig/L Measurable benzene concentrations ranged from 17 µg/L to 2,000 Mcg/L The highest TVH-G and benzene concentrations were measured in the groundwater sample collected from monitoring well MW-1 E 04/94/121382/125997/STOCKREP REP/I