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i Cicolagual Tecknus Inc Page 3 Valley Wholesale Drug Company Project No 989 2 November 8,2004 1 following report documents the additional site characterization activities that were performed per the March 2004 work plan The following report also provides an Appendix B checklist for closure Estimates are made regarding the fate and transport and the total mass of contaminants present in the soil and ' groundwater 2.0 SOIL AND GROUNDWATER INVESTIGATION Prior to commencing work, a soil bonng/monitonng well permit was secured and SJCEHD was notified 48 hours in advance The subsurface was cleared of underground utilities by notifying Underground Service Alert tOn August 23, 2004, GTI supervised the advancement of eight (8) GeoProbe borings The locations of the GeoProbe borings are shown on the site map (Figure 2) ' 2.1 GeoProbe Investigation On August 23, 2004, a 5400 series direct push drill ng owned and operated by V&W Drilling (C57# 720904) arrived at the site The GeoProbe advanced a coring tool with a pneumatic hammer to a depth between 12 and 16 feet bgs The soil samples entered an acetate cylinder ' contained in the coring tool Upon filling, the coring tool was pulled from the borehole and the cylinder is removed Selected depths were cut from the cylinder and the selected interval was capped with Teflon foil and plastic end caps The soil samples in the selected sections ' were placed on ice for shipment to the laboratory and the remaining soil was used for geologic logging ' Upon reaching the capillary fringe, a screened PVC casing was placed in the borehole The groundwater samples were collected using Waterra0 type check ball on poly tubing, and gently transferred into VOA vials The VOA vials were capped, inverted, tapped, and ' checked for headspace bubbles The vials were labeled and placed on ice for shipment to the laboratory Clean surgical gloves are worn at all tunes in handling of the sample and ' sainplmg equipment 2.2 Soil Sample Analysis ' The soil sample closest to the capillary fringe, from each GeoProbe borehole, was submitted to Sequoia Analytical — Sacramento, a state certified laboratory (CA ELAP #1624) for the following analysis • Gasoline Range Organics, BTEX and Oxygenates by EPA method 8260B • TPH-G, benzene, toluene, ethyl benzene, total xylenes, MtBE, ETBE, TAME, DIPE, TBA, 1,2-DCA and EDB