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10/02/1990 1:; 18 O'MELVENY & MYERS L A 213 669 7467 P 56 <br /> Mann Pro CA radan <br /> Re-ELCam ion War# Plan <br /> Page. 2 <br /> a depth of 20 feet. Two samples will be taken in each wall of the excavation and four <br /> samples will be taken on the floor of the excavation (Figure 6). The storage of <br /> contaminated soil will be on asphaltic concrete due east of the proposed excavation and <br /> ' will be covered with visqueen plastic. An aeration permit will be filed with San <br /> Joaquin Air Pollution District by 1NHF Environmental for remediation of the stored <br /> sod, <br /> ' S.0 SOIL SWUNG <br /> Sampling will be conducted under the direction of San Joaquin Environmental Health <br /> ' Department by a State cerufied laboratory. All soli sampling equipment will be <br /> thoroughly cleaned before and between sampling to prevent cross contamination. The <br /> ' laboratory samples will be taken with clean brass tubes and immediately sealed, without <br /> head space, using aluminum foil luted caps. <br /> Soil samples collected for analysis will be analyred using EPA method $015 modified <br /> for total petroleum hydrocarbons, EPA method 8020 for BTX&E compounds, and total <br /> lead, <br /> 6 0 UMITA77ONS <br /> This work plan is site specific to the former underground storage tank area and does not <br /> address any other area on the Manna Pro site. The scope of this work was defined by <br /> lab data suppled by others Modification may be required when subsurface conditions <br />' become known This work plan ;tat been prepared to the smndards and practices of the <br /> industry and will be performed under the gusdar!ce of a registered geologist. <br /> 1 <br />