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0 <br /> GEOTECHNICAL <br /> NEIL O. ANDERSON ENVIRONMENTAL <br /> AN D ASSOCIATES INSPECTIONS & TESTING <br /> LABORATORY SERVICES <br /> POOL ENGINEERING <br /> POST TENSION DESIGN <br /> March 22, 2007 MAR '20 3 2oQ7 <br /> NOA Project Number: E07014A <br /> ENVIRCiJM[ i t�E LT H <br /> Robert McClellon <br /> PERN!ITr''SERVICES <br /> San Joaquin Environmental Health Department <br /> Stockton, CA <br /> Subject: Methane Mitigation Plan <br /> 254 Clayton Avenue <br /> Stockton, California <br /> Dear Mr. McClellon, <br /> Our office inspected the layout of the vent pipe and the size and thickness of the gravel on August <br /> March 15, 2007 and the geo-fabric,methane barrier were inspected on March 19, 2007. The below <br /> slab portion of the Methane Mitigation System has been installed per plan. Please place a minium <br /> one inch of sand above the methane barrier prior to laying steel and pouring concrete. <br /> Sincerely, <br /> NEIL O.AND RSON&ASSOCIATES, INC. <br /> James D. Ro son, Sr. oject ManagerpkA <br /> PE-690455 G-7834 �/� � <br /> OL®FESS opa q�' <br /> Cs g.R®,9', 05L <br /> CO <br /> C6 <br /> rn <br /> No.069045 <br /> Exp. <br /> LODI ■ SACRAMENTO ■ RENO ■ MODESTO <br /> I?NVIRONMIL;N'I'AI,DIVISION 902 Industrial Way,Lodi,California 95240 ■209.367.3701 ■ 209.369.4228 ■www.noanderson.com <br />