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STATE OF CALIFORNIA—ENVIRONMENTAL PROTE( AGENCY PETE WILSON,Govemor <br /> DEPARTMENT OF TOXIC SUBSTANCES CONTROL <br /> V)l 51 CROYDON WAY,SUITE 3 <br /> SACRAMENTO,CA 95827-2106 'A, <br /> (916) 855-7700 <br /> JAN 9 1 1992 January 16, 1992 <br /> -LT H <br /> Mr. Marshall Cloud JAN 2 1 1992 <br /> Defense Distribution Region West, ENVIP-Or .MENTAL HEALTH <br /> Tracy Site PERM1T/--4�pVj1.,r, <br /> Office of Environmental Protection <br /> 25600 South Chrisman Road <br /> Tracy, California 95376-5000 <br /> Dear Mr. Cloud: <br /> GROUND WATER PLUME EXPANSION AT DEFENSE DISTRIBUTION REGION WEST <br /> (DDRW) , TRACY SITE <br /> The Department of Toxic Substances Control (Department) <br /> wishes to express its concern regarding the expansion of DDRW <br /> Tracy' s ground water contamination. Through the evaluation of <br /> quarterly ground water monitoring data, it has been determined <br /> that the plume of contamination is moving in an easterly <br /> direction across Banta Road. Currently, DDRW Tracy does not have <br /> a long term access agreement, for monitoring and/or remediation <br /> purposes, in place west of Banta Road. The plume' s easterly <br /> expansion makes the procurement of access agreements an immediate <br /> priority. <br /> The Department recommends that DDRW Tracy move quickly to <br /> procure the necessary long term access agreement and evaluate <br /> potential containment strategies. Containment of the plume ' s <br /> expansion will significantly limit the impact to the local <br /> community and reduce the number of access agreements necessary <br /> for DDRW Tracy to acquire. <br /> The Department also urges DDRW Tracy to move quickly to <br /> obtain the necessary funding to execute these recommendations. <br /> Failure to act will add to the overall complexity and cost of the <br /> ground water cleanup. Should you have any questions regarding <br /> this letter, you may contact me at (916) 855-7874 . <br /> Sincerely, <br /> Jim Pinasco <br /> Waste Management Engineer <br /> Site Mitigation Branch <br /> Region 1 <br /> cc: See next page. <br />