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- Fm 14��14g�AEBI�Q71 QS9�1@Q86 <br /> As an interni remedial measure, we recommend installation of a dual pump- <br /> ing system with a skimmer pump. The bottom pump would slightly depress the <br /> i <br /> ground-water table and skimmer pump would collect free product. Ch-site <br /> tanks would collect the liquids generated from this operation. It may be <br /> s possible to treat the water on site and to discharge it into the storm drain <br /> or sanitary sewer. In order to evaluate the effectiveness of this remedial <br /> measure, several oi:her monitoring wells would be installed in the parking <br /> I — area between the tanks and the existing monitoring wells. <br /> E .. <br /> We believe that 7-Eleven should begin ground-water remediation with the <br /> i <br /> interim measures presented above. we have utilized the system of a dual F <br /> pump effectively at other sites and feel confident that it would work <br /> effectively at your Grant Line Road stare in Tracy. . i <br /> r � i <br /> 71 <br /> f <br /> - <br /> : <br /> r � <br /> - _ - <br /> F � j <br />