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STATE OF CALIFORNIA <br /> PETE WILSON. Governer <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD-- <br /> .. <br /> CENTRAL VALLEY REGION. '°'" .. . <br /> 3445 SACRAMENTO, <br /> ROUTIER CA 9 27.30UITE A <br /> SACRAMENTO, CA 95827.3098 °�- <br /> PHONE: (936) 361.5604 <br /> FAX: (916) 361.5686 J U L 3 ` <br /> ENV4R0 MMT TAL S���N EAESLTH <br /> 30 July 1991 PER <br /> Ms. Eleanor Ratliff <br /> San Joaquin County, Public Health Services <br /> Environmental Health Division <br /> P.O. Box 2009 <br /> Stockton, CA 95201 <br /> UNION ICE, 1320 WEST WEBER STREET, STOCKTON, SAH JOAQUIN COUNTY <br /> I have reviewed the file for the Union Ice site on Weber Street in Stockton. <br /> I also reviewed the recent report, "Phase II - Report of Findings", dated <br /> 28 May 1991, prepared by WHF Environmental and Henkle & Associates. Based on <br /> analytical results showing non-detectable levels of contaminants in all wells <br /> since April 1991, WHF and Henkle have recommended several soil borings to <br /> delineate soil contamination and another year of quarterly ground water <br /> monitoring to be followed by closure if all samples are non-detectable. <br /> The following information is missing from our files: <br /> 1. A Work Plan dated 15 June 1990 by WHF and Henkle; <br /> 2. Well logs for monitoring wells MW-1S, MW-ID, and MW-6S, installed by <br /> URS, the previous consultant; and <br /> 3. The results of the soil vapor survey. The 28 May 1991 report states <br /> that the vapor survey was done in May 1990 and the results submitted in <br /> a report to San Joaquin County in June 1990. In our file, the "Report <br /> of Findings - Phase I" , dated 14 June 1990, did not contain the soil <br /> vapor survey results. <br /> In February 1991, two new wells were installed. The 28 May 1991 report <br /> contained different and confusing names for the two wells as follows: <br /> PAGE # OR LOCATION NAME <br /> Page 1 "extraction well (XW-8)1I , <br /> ''monitoring well (MW-9)" <br /> Page 7 "Monitor well EX-8" <br /> Page 9 I1MW--8" <br /> Page 10 and 11 11EW-81', "MW-9", "Wells 8S Md 9S'I <br />