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03/02/2004 16:50 20946711' 0 AGE ST❑CKTON PAGE 05/17 <br /> FROM ENVIRONMENTAL SCIENCE SERVICE, INC <br /> (WED)NOV 5 20Q3 9 3T, 9:24/NO, 8300.000317 P 4 <br /> i <br /> I. BACKGROUND- <br /> PcopertY ovvrers are often inrwaoccnt victkus of laboratory hazards dum: to the condition of <br /> wwaks following tM discontinued operation of clandestine laboratories. Individual pro-XTty <br /> conditions Wray vary si omtly, bad on the extent of operation (storage of cberokals only <br /> vCMS actual marnmfieture), size of operation, chemical handling during pr--oeessigg and mature of � <br /> chemical waste disposal (sewer, open busing, burial, andl'or illegal dumping). Because of-hese � <br /> and other variables, assessed properties may be found to range from slightly to significantly <br /> contaminated. <br /> At your request, ESS,Inc. performed an investigation of the earlier re#'eaneaxced site. The pmstpose <br /> of this hmpeiction was to visually-assess and collect samples fiom the site in garcfs to po,sible <br /> I <br /> clandestim laboratory activities. <br /> Background information regarding the amt's was Umitcd. The u nk in question had bc= pasted by <br /> the San JoagWn Couniy Enviromental Health Departroma. inion nation pnivided by the property <br /> owner indicated that chemicals consistent with clandestine activities were diveovered and rem ivcd i <br /> $omit the site.A camp*protocol was developed based on sitC iicpcctions 4nd observations. 1: <br /> 1�1[. SCQPI <br /> At your roqucst, Envi mm mtal Science Services, Inc. (ESS, inc.) was retained to conduct a <br /> chcmical eonawkA,tion azessmmmeut of the suboa site. The property is located in a rural l <br /> residential area, of Stoclaou, CA. The purpose of this assessment was to identify if coutaminttion � <br /> cotrstis int with clandestine laboratory activities exists an the site. The entire dwellirtg will be <br /> reVesented by the mwTles collected uWass addkioinal sampling is recl'uested to define the <br /> contamination arms. The following tasks were included in the asscwmuent: <br /> a research and develop limited beakgrourd irftnnahon via coz;= with the property . <br /> �awtrer, <br /> + Develop a site inspection and so milling strategy. . <br /> a Conduct a site inspection including collection of surface wipe and bulk mm wemial- , <br /> Samples. <br /> Perform laboratory analysis (tW party sidcpcndcnt laboratory) and evaluate <br /> analytical results. <br /> a Prepare a report of boding and recommendations including sample results and. <br /> evaluation of property condition. <br /> a At your n gist,sampling of the septic syst m.was excluded frorn this izispection. <br /> ESS Pmjcd 2003712-1 <br /> ftP2 <br />