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STATE OF CALIFORNIA <br /> GEORGE DEUKMEJIAN,Ga.,, <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD—w,, <br /> CENTRAL VALLEY REGION . ¢"'' il!; za <br /> 3443 ROUTIER ROAD ' <br /> .: 25 May 1989 i <br /> SACRAMENTO,CA 95827-3098 yy <br /> Ms. Diane Hinson ly1AY 3 01989 <br /> San Joaquin Local Health District <br /> P. 0. Box 2009 <br /> .Stockton <br /> . CA .95201 <br /> PRELIMINARY REPORT FOR, STEPHENS ANCHORAGE, 4950 WEST BROOKSIDE ROAD," STOCKTON, <br /> SAN JOAQUIN COUNTY <br /> We have reviewed the 19 January 1989 Preliminary Report (PR) for the Stephens <br /> Anchorage site. Ground water contamination has-been verified in the PR, 'but . <br /> the PR is missing some information and the proposed work pian lacks specifics. <br /> The following information was .not 'included in the ?' R and should be included in <br /> the. Problem .Assessment Report: <br /> 1. The site map is not lo.scale and does not su'pply :enough details. Where <br /> are the .river,. the street, the underground utilities, etc.? <br /> 2. The laboratory reports for t-he data presented in -Table 2.6 were -not <br /> included in the PR. <br /> 3. The locations of the domestic well and septic tanks were not shown on a <br /> f map or described beyond stating they are within a ,quarter .mile of the <br />! site. <br /> The proposed work plan lacks the following specifics: <br /> 1. The proposed shallow soil boring locations a'nd numbers were not <br /> specified.-, ` ` <br /> 2. Analytical methods for .the soil. and groundwater samples were not <br /> specified. <br /> 3. Well construction details were not included.`'! <br /> 4. The soil- sample collection interval was not specified. We recommend <br /> that soil samples be collected every five feet, a's' a mi.nimum, and at <br /> F <br /> changes in lithology• <br /> We suggest that a. revised' work plan be requested to include the missing <br /> information. <br /> If you have any questions,-' please call me at (916); 361.-5725. <br /> EDWARD W. JAMES <br /> Engineering Geologist <br /> EWJ:ewj <br />