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f 4 <br /> fi <br /> SECTION 4 <br /> TANK REMOVALS <br /> LS <br /> This section discusne�ls 541�VestlWebee Averau�e�ula describes the <br /> nks <br /> located at 1325 a <br /> preparation for removal, the removal of the tanks, the laboratory <br /> analyses, and the findings. <br /> preparation <br /> Preliminary work included: preparing an Unusrground Storage <br /> Tank Closure Plan; preparing a site-specific Health and Safety <br /> Plan <br /> (Appendix E); and retaining a contractor responsible for tank <br /> removal. Preparatory work also included a tank survey, obtaining <br /> the necessary permits, and locating underground utilities. <br /> J�k3= <br /> Because as-built information was lacking, the tank sites were <br /> surveyed by Spectrum Environmental Geophysics on dune 19, 1991. <br /> Spectrum was able to precisely locate the tanks, determine their <br /> orientation, size, depth., and approximate the quantity of fluid <br /> remaining in the tanks (Appendix F). <br /> The survey idjacenttotthe warehou warehouseasdepicted in FigureWest <br /> 4-1, The <br /> eber <br /> Avenue was adjacent 500 gallons with about 300 <br /> tank had a capacity of approximately g of the tank was <br /> gallons of unknown product remaining. The top <br /> approximately 3 112 feet below the ground surface and the bottom was <br /> at 7112 feat. <br /> l The storage tank located at 1541 West Weber Avenue g is shownith <br /> Figure 4-2. The tank had a capacity of 2,000 gallons, <br /> approximately 100 gallons of product remainingy tentatively <br /> gasoline. The top of the tank was approximately 3 112 <br /> identified assurface; the bottom was at a depth of <br /> approximately <br /> feet below the 1g12 feen <br /> II <br /> 4-1 <br />