Laserfiche WebLink
Chevron- e <br /> i <br /> :°C N't <br /> Chevron Environmental Management <br /> June 17, 1999: Company <br /> 6001 Bollinger Canyon Road <br /> P.0.Box 6012 <br /> San Ramon,CA 94583-0712 <br /> f <br /> Mr. Michael Infurna, Jr. <br /> San Joaquin County Public Health.Services <br /> Environmental Health Division <br /> 304 E. Weber Street,.Third Floor <br /> Stockton,CA 95202 <br /> Soil and Groundwater Investigation and Site Status Report <br /> Mansfield Property <br /> Tracy, California. <br /> Dear Mr..Infurna: <br /> Enclosed please findthesubject document for your review. The report summarized the results of <br /> soil and groundwater investigations conducted at-the site. The lateral and vertical extents of <br /> petroleum-hydrocarbon-affected soil in the site subsurface have been defined. While low levels <br /> of benzene,toluene, ethylbenzene; and xylenes(collectively referred to as BTEX) and several <br /> polynuclear aromatic hydrocarbons(PAHs)have been detected in.site soil, the concentrations of <br /> BTEX and PAHs are several orders of magnitude less,than.their respective:.U.S. Environmental <br /> Protection Agency Region:IX Preliminary Remediation Goals: This indicates that the presence , <br /> of these constituents in soil-at the site, including the potential for,additivity due to multiple <br /> constituents do not pose an unacceptable risk to the health on-site residents. <br /> There were no dissolved.petroleum constituents detected in the grab groundwater samples <br /> collected downgradient of the affected-soil.. During field activities Chevron Environmental <br /> Management Company(Chevron)was unsuccessful in collecting a grab groundwater sample <br /> downgradient of MB-1.-(i.e:,the-boring was:dry), Chevron proposes to collect this dowrngradient <br /> sample to finalize the assessment . Chevron will.schedule the work upon receipt of your <br /> approval. <br /> Please note that I have been transferred to Chevron Environmental Management Company, <br /> please direct all future correspondence:for,this project to the.klowing'address: <br /> Chevron Environmental.Management Company: I <br /> 60018ollinger.Canyon Road <br /> P.O. Box 6012 <br /> San Ramon, CA 94583 <br /> Phone/Fax: (925)842-134.11(925)842-0213 <br /> , . i <br /> s t <br />