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s <br /> M214, ONI <br /> Air Po <br /> EUREIN WBOWCRIES, INC. Chemical'Analysis, <br /> a 340': La Grande Boulevard Research d,Testing <br /> SACRAMENTO, CA 95823 Environmental Studies <br /> TEL: (916) 428-1193 Robotics <br /> Toxicology <br /> June 7, 1988 <br /> Mr. George Converse <br /> WESTERN GEO-ENGINEERS <br /> Route 2, P.Q. Box 177 <br /> Woodland, CA 95695 <br /> Dear Mr. Converse: <br /> Th;.s letter is to clarify two method tit]Ps c:trrently used by our <br /> laboratory for the , analysis of organo lead and total petroleum <br /> hydrocarbons. Our method titles and the equivalent method titles of <br /> California Department of Health Services (CDOHS) are listed below: <br /> Test Eureka Report CDOHS method Title <br /> Method Title -- <br /> f <br /> Organo ASTM D3237-79 CDOHS Hazardous Material <br /> Lead modified Laboratory Method. <br /> Total EPA 8015 CDOHS Hazardous Material <br /> Petroleum modified Laboratory Method. <br /> Hydrocarbons <br /> In spite of the difference in titles, the technical procedures <br /> are the same in these methods. in the event that verificatioA of this i <br /> 1 information is desired, please call Ms. Cindy Dingman of CDOHS at <br /> k Berkeley at (415) 540-3313. <br /> Sincerely, <br /> EUREKA LABORATORIES, INC. <br /> . f <br /> By: K <br /> Steven K. Leung, D.Env. <br /> Laboratory Director <br /> SKL/ml <br /> cc: Ms. Cindy Din gran, DOHS <br /> Mr. Felix Yeung, ELI <br /> la <br />