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i <br /> J &B Murphy <br /> Page 2 of 2 <br /> } <br /> analyzed quarterly for TPHg and TPHd by EPA Method,,;8015; BTEX by EPA Method <br /> 8020; and oxygenates, 1,2 dichloroethane, ethylene dibromide, methanol and ethanol by <br /> EPA Method 8260. <br /> A complete well survey of domestic, municipal, agricultural, industrial and any other <br /> wells must be conducted within a 2,000 foot radius of this site. Contact the Department <br /> of Water Resources, municipal water suppliers, and any nearby industries for well <br /> information. PHS/EHD well permit records should be researched to identify any wells. <br /> Identify all sources of information in the well survey report. Clearly depict each well <br /> location as the relate to the above referenced site and submit an known construction <br /> Y Y <br /> details of the wells. <br /> In addition to the literature search described above, a ground-truth physical survey for <br /> wells within a 2,000-foot radius of the site must also be conducted. The location of wells <br /> identified in the physical search must be provided to PHSIEHD, as well as any known <br /> well construction details. All sources of information utilized in the physical well survey <br /> must also be provided to PHS/EHD. I <br /> A surveymust also be conducted to identify an potential conduits that would allow <br /> Y Y <br /> vertical or lateral migration of contaminants in groundwater. This survey should also <br /> cover a radius of 2,000 feet from the site, and can be combined with the physical <br /> survey for wells. ; <br /> A work plan to determine the lateral and vertical extent of soil and groundwater <br /> contamination at this site must be submitted to PHS/EHD by November 30, 2000. <br /> Contact Carol Oz, Senior REHS at (209) 468-3440 if you have questions regarding this <br /> letter. <br /> Donna Heran, Director <br /> Environmental Health Division <br /> Carol Oz, Senior REHS Dot Lofstrom, RG <br /> Site Mitigation Unit N Engineering Geologist, Unit IV <br /> cc: Marty Hartzell-RWQCB <br /> William and Mary Lana-Property Owners <br /> Brian Millman-AGE <br /> , <br />