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6.0 DISCUSSION 1j <br /> The analytical results indicate the contents of the tank (without motor oil) ' <br /> I <br /> are non-toxic. The soil analysis results do not indicate . any significant i <br /> contamination in the ground or suspected leakage of the tank. Under Title 22, j <br /> Section 4 of the California Administrative Code (see Appendix VII) , paragraph !! <br /> 66796 the tank waspro erl p y <br /> cleaned- for reuse. jThe water phase of the tank � <br /> did not contain any of the specific chemicals listled in paragraph 66680. The <br /> i <br /> contents are not regulated under any of the common name categories. The <br /> bioassay indicated the waterphase to be non-toxic (paragraph 66696). None of <br /> ;( ,i <br /> the bioaccumulative toxics were identified (paragraph 66699) . The material is <br /> not ignitable (paragraph 66702) , . reactive (paragraph 66705) , corrosive <br /> (paragraph 66708) , or infectious. Meeting these requirements, and providing <br /> no free oil is placed in the tank, allows the waste to be classified as non- <br /> hazardous. Therefore, the tank may be left in place and. is not regulated as { <br /> an underground hazardous materials storage tank iflthe client desires. <br /> 1 <br /> The opportunity at this time to tie into the City!, of Stockton sanitary sewer <br /> system may- now make removal of the tank a more viable option than its <br /> continued use. This opprotunity was not open for, consideration at the time j <br /> the viable initial work was undertaken. IT is preparing a cost estimate for <br /> i <br /> the tank removal and site closure at the client' s request. This will be <br /> provided under separate cover. j <br /> a <br /> f <br /> { 4 <br /> i { <br /> a� <br /> i! <br /> i <br /> E <br /> i! <br /> i <br /> 1� y <br /> f 1 <br /> 7 <br /> cNG:0551/02196 ' <br /> i <br />