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page 2 <br /> 2450 Toste Road, Tracy <br /> In August 200 a limited aquifer pumping test was performed at the site. The pumping <br /> rate for the test was 1.0 gallons per minute. Reported results from the test were that a <br /> maximum drawdown of 2.89 feet was observed in shallow groundwater monitoring well <br /> MW-1 B, the pumping well, and 0.15 feet in deeper groundwater monitoring well MW 1A. ; <br /> A radius of influence was not determined from the test because there was no drawdown >i <br /> measured in the surrounding observation wells: However, these observation wells are <br /> located approximately 60-70 feet from MW-1 B. <br /> PHSIEHD does not approve the submitted work pian addendum. You are directed to <br /> complete your feasibility studies and prepare a Corrective Action.Plan (CAP)foryour <br /> site. Subrnit a work pian for'further=feasibility testing to PHSIEHD by October 29, 2001. <br /> Confirmation of the source of the::co.o. tamination detected in CPT-;2.may be included;.but: <br /> the eoope of work must not,be excessive. <br /> If you have any questions or comments please call Lori Duncan at (209)468-0337. <br /> Gonna Herin, REHS Director <br /> Envirorimentel Health Division <br /> Lori Duncan,.Senior REHS Dot Lofstrom R.G. <br /> LOP/Site Mitigation Unit IV: Engineering Geologist <br /> j. <br /> cc. Marty Hartzell;CVRWOCB <br /> Brian Millman,AGE r <br /> t <br />