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STATE OF CALIFORNIA- Environmental Pr ion AgencyPETE WILSON, Governor <br /> CALIFORNIA REGIONAL WATER-&MKITY CONTROL BOARD ��0� <br /> CENTRAL VALLEY REGION _ <br /> 3443 Routier Road, Suite A E�+�VIRON111ENTAL HEALTH � � <br /> Sacramento, CA 95827-3098rl . SERE <br /> jI(f <br /> PHONE: (916) 255-3000 b`" ° <br /> FAX: (916) 255-3015, 96 JUL -8 AM 7: 33 <br /> 2 July 1996 <br /> Mr. Gary Rimmey <br /> Cargill <br /> P.O. Box 9300; MS 48 <br /> Minneapolis, MN 55440-9300 <br /> REQUEST FOR FURTHER INVESTIGATION <br /> Thank you for submitting the Results of Soils Investigation for the molasses feed product <br /> facility on Port Road 8, Stockton. The report documents that elevated concentrations of <br /> nitrogen products are present in the soil throughout a majority of the facility. Total nitrogen <br /> levels in the soil increase with depth, and the facility is underlain by shallow groundwater, <br /> encountered at 6.5 feet below ground surface. <br /> As discussed during our 3 May meeting, the Board is concerned about the potential impact to <br /> groundwater. Therefore, by 1 August 1996, please submit a workplan for the installation <br /> and sampling of a minimum of three shallow monitoring wells at the Port Road 8 facility. <br /> I understand that building demolition activities will occur within the next 45-60 days, and <br /> that you would like to remove the top foot of soil at that time. This is acceptable; please <br /> include a discussion of the activity in the workplan. Further remediation (removal of <br /> additional soil, paving, etc.) will be dependant upon the results of the groundwater sampling. <br /> If you have any questions, or would like to arrange a meeting with the Port to discuss the <br /> -installation of wells, I can be reached at (916) 255-3104. <br /> �I <br /> WENDY WYELS <br /> Ag Regulatory Unit <br /> cc: Mr. Jack Holm, Cargill, Stockton <br /> Ms. Charlene Wall, Stockton Port District, Stockton <br /> Mr. John Rapp, Sierra Pacific Groundwater Consultants, El Dorado Hills <br /> Mr. Mike Infurna, San Joaquin.County Environmental Health, Stockton <br />