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r <br /> contamination in either soil or water samples. In view of the <br /> results of this latest work, we recommend the following steps be <br /> taken in order to more completely evaluate the extent of <br /> contamination and impact upon groundwater: <br /> 1 . Purge all three wells, determine static water levels, &. <br /> sample water using San Joaquin County approved procedures . <br /> Samples to be analyzed . for BTEX (EPA 8020/601, ) & TPHg & TPHd <br /> (EPA 8O15M, ) using State & County approved detection limits . <br /> 2 . Sample all three wells again within 30-45 days; analyze as <br /> above. <br /> 3 . If laboratory results are ND for all three wells for both <br /> samplings, destroy the wells and close the site.. <br /> 4 . ' If one or more wells have "hits, " sample again in 30-45 days . <br /> Furthe wo will depend on the results of the above samplings . <br /> Z/ <br /> Wm. ry er & As <br /> cc: Jo n Marci <br /> 4CB <br /> Tim Kirk � (1 Gg®` s <br /> WILLIAM 1-HUNTER <br /> ///g7 <br /> N0.E50 ,p <br /> OF <br /> V <br />