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JAN. 9. 2007 1 :4OPM WARD REAL ESTATE 874-7213 N0. 896 P. 15 <br /> July 15, 1998 <br /> Page 4 <br /> trans i,?-DCF., PCE, and TCI-, In addition to the above listed . <br /> analytes, the groundwater sample from Scrins B-4, which,will also <br /> be submitted to a California State-certified laboratory for analysis, <br /> will be analyzed for total oil and aerie (TOO). <br /> * Sensitive Receptor Survey. A scnsitivi receptor mmy will be <br /> performed as part of the site iu►vestigadon. The purpose of this <br /> survey will be to evaluate potential health risks MOciated wit} the <br /> existing hy&ocarbon acrd solvent plume. The survey will include <br /> evaluation of the following; 1) sensitive;reaeptcrs in the immediatf , <br /> ares of the site, including presence of schools,hospitals,or other ` <br /> facilities that may utilize,groundwater for water supply, and nearby <br /> surface water bodies within 112 mile radius of the site', 2) well <br /> search of records at the Department of Water Resources(M)In <br /> Sacramento to determine the existence of nearby water supply wel3a, �,• <br /> and local,groundwater vise. All wells within a Yz mile radius of the <br /> t <br /> site currently on file at DWR will be documented; and 3) location of , <br /> possible contarnin rt conduits into, through, and out of the site,as <br /> well u near the site(utuitiet,pipelines, etc,). ' <br /> • Survay of Possible Sources. potential nearby cirsite sources for the <br /> solvents present i n.groundwater bweath,the site will be researched-' <br /> Well Surveying, Upon completion of well construction, the wells <br /> will be surveyed bye lidensed surveyor for location and elevation ' <br /> relative tome=sca,level. Groartdwat`r!,gradient'whl be interpreted <br /> utilizing weU end elevations and depths to water. <br /> Report. A report will be prepared after completion of necessary fMI4 <br /> work. The report will include boring lois, well locations map, soil <br /> wd groundwater aasalytical results, a groundwatar.contour map$ <br /> cbafn-of cu=dy dccumentation,'a nd smeary of findings. <br /> 'Field and laboratory procedures arerssted as A ttacllnzt B. <br /> 9MDULE . <br /> PEG is prepsared to initiate field work within two weeps following approval of tWi <br /> workplan and the issuance of necessary permits by the Saar 3oaquin County Public <br /> Health Somices Dapattment and the completion access agreements with City of Tracy. <br /> A repert documenting the firfdings of the investigation is, anticipated to be submitted <br /> Approximately 8 to 10 weeks of eommenceznent of all field work. , <br /> 910.017.iAMPU&M <br />