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Ultramar/former Beacon #12474 page 3 <br /> 3440 E. Main St., Stockton. <br /> The CAP portion of this report is generic and incomplete. <br /> With only one alternative actually field-tested and evaluated, you have not <br /> complied with the minimum requirements of the feasibility study portion of the <br /> CAP. Further testing, evaluation, and comparison are required. Without relative <br /> or approximate costs, time schedules, or any site-specific discussion included in <br /> the CAP, EHD was unable to ascertain a true picture of the cost-effectiveness or <br /> feasibility of any of the comparative remedial methods included in this report. <br /> Both the PAR and the CAP are unacceptabie and not approved. <br /> A work plan for delineating the vertical extent of the groundwater impact is <br /> required. After the vertical extent is determined, Ultramar is to determine the <br /> lateral extent of any deeper fuel contaminant and verify if the two domestic wells <br /> noted in this correspondence are endangered. Unless Ultramar can provide data <br /> that the lateral extent of any deep impacted groundwater isnot a threat to these <br /> _ domestic wells, the wells shou4d be sampled for petroleum contaminants. <br /> " Please submit the required investigation work plan within 45 days. <br /> A revised CAP that includes field tests, evaluations, and comparison of at least <br /> two viable and feasible, potentially cost-effective, and site-specific remedial <br /> alternatives for returning the contaminated soil and groundwater to pre-release <br /> conditions should be submitted to EHD. Please ensure that adequate data to <br /> support conclusions for remedial alternative selection has been collected and <br /> evaluated. <br /> Please continue to direct your submittals to Michael Infurna and you may call him <br /> at (209) 468-3454 should you have any questions or wish to discuss the site. Mr. <br /> Infurna can be reached by email at minfurna(d�slcehd,com. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> Michael J. lnfurn Jr., S for REHS Nuel C. Henderson, Jr. R.G. <br /> LOP / Site Mitigation Unit IV LOP / Site Mitigation Unit IV <br /> MI/ <br /> c: CVRWQCB — Marty Hartzell, Sacramento. <br /> �/c: Horizon Envir. - G. Barker, 5011 Golden Pkwy, #7, EI Dorado Hills, 95762 <br /> c: SWRCB-CUF — Mark Owens, Sacramento. <br />