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Soil Stockpile Sampling(1994) <br /> The onsite soil stockpile from the UST removal was reportedly sampled on February 7, 1994 Sax soil <br /> samples were reportedly collected from the stockpile using a modified USEPA Test Method SW-846 <br /> procedure for composite soil sampling The soil samples were placed in brass sleeves and preserved on ice <br /> and transported under chain of custody for analysis by West Laboratories,Davis,California Three of these <br /> soil samples were analyzed for BTEX using USEPA Test Method 8020,TPH-g using USEPA Test Method <br /> 8015M,diesel and motor oil using USEPA Test Method 5520B All analytical sample results were reported <br /> to contain analytes below analytical method detection limits <br /> Additional Site Assessment Invests ahon 1994 <br /> Additional soil site assessment work was conducted on December 5 to 7, 1994 when Gregg In Situ, Inc <br /> completed a series of Cone Penetration Test(CPT)soil borings of the site and surrounding area The CPT <br /> investigation consisted of 14 soil borings or "hydropunch" borings (Figure 4) These borings identified <br /> subsurface lithologic conditions encountered from the surface to a maximum depth of 60 feet bgs Most of <br /> the CPT hydropunch soil borings were between 45 and 53 feet deep The CPT data indicated that the <br /> majority of the site is underlain by alternating fine grained silt and clay beds up to several feet thick <br />. alternating with sand layers up to several feet thick No soil samples were submitted to analytical laboratory <br /> for analysis of VOC's <br /> Groundwater grab samples were reportedly collected from the first groundwater encountered by CPT soil <br /> borings and analyzed by Matrix Environmental Laboratories for BTEX using USEPA Test Method 602 and <br /> TPH-g using USEPA Test Method 5030 Analytical laboratory results indicated a significant widespread <br /> extent of volatile organic compounds in the groundwater <br /> Additional groundwater monitoring events were conducted during the 3' and 4 h quarter of 1994 by Dana <br /> Booth (Booth, 1994b,and 1994c) <br /> An expanded site assessment workplan was submitted to PHSEHD by Dana Booth in 1995 (Booth, 1995) <br /> A groundwater monitoring event that included analysis of water from the onsite monitoring wells occurred <br /> in 1997(Booth, 1997) <br /> Mam\D Tmvu-omnen \PammTemco\Rgmns+SARizo3 vipd Page 9 <br />