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TABLE 1 <br /> Ground-Water Sounding Data <br /> Carmen Punla Property - Stockton <br /> Depth to Casmg-Top Water Table <br />' Well So <br /> u <br /> nding Water .Elevation Clevation Flow Direction a <br /> Number Date (Feet) (Feet AMSQ (Feet BMSA Grachent(Ft/Ft) <br /> MW-1 10/01/93 3965 1087 -2878 N89°E(off 003 ft/ft <br />' 02/06/95 3672 -25 85 N83°E @ 004 Wit <br /> MW-2 10/01/93 38 31 9 65 -28 66 <br /> 02/06/95 35 17 -25 52 <br />' MW-3 10/01/93 39 17 1029 -2889 <br /> 02/06/95 36 19 1 -25 91 <br />' Ground-Water Sampling <br /> Prior to normal well-sampling procedures on February 6, 1995, ground-water sampling <br />' equipment was steam-cleaned and/or washed in Liqumox® prior to sampling and between <br /> samplings of each well Water-condition parameters of temperature, electrical conductivity, and <br />' pH were measured and logged during well-purging prior to sampling the wells Purging was <br /> continued until at least three well-volumes of water were removed from each well, and water- <br /> condition parameters had stabilized The Well Sampling and Monitoring Logs are included as <br /> Appendix A <br /> Each ground-water sample was collected within a new, clean, disposable, polyethylene bailer <br />' lowered to dust below the piezometric surface Each ground-water sample was hoisted to the <br /> surface and immediately transferred to two, 40-m1 capacity, glass, Volatile Organic Analysis <br /> (VOA) vials and two, i-liter capacity, amber-colored, glass bars Each far was fitted with <br />' Teflon''-lined screw caps Care was taken to ensure that no air space existed in the vials by <br /> inverting, tapping, and checking for bubbles Each container was properly labeled in the field <br /> and refrigerated for transport to Sherwood Labs in Hilmar for the following analyses <br />' TRPH (oil & grease) by EPA Method 418 1 (sample collected from MW-1 only) <br /> TPH-g (gasoline) by EPA Method 5030/8015-modified <br />' TRPH-d (diesel) by EPA Method 351018015-modified <br /> Volatile aromatics (benzene, toluene, ethylbenzene, and xylenes) by EPA Method 602 <br /> Analytical Results <br /> Ground-water samples collected from the three wells were received at Sherwood Labs on <br />' February 8, 1995 The analytical results revealed wholly nondetectable concentrations of all <br /> tested constituents The analytical results for both sampling activities to date are summarized <br /> in Table 2 The Sherwood Labs reports and chain-of-custody are included as Appendix B <br />' W W Irwin Inc <br /> Project No 33236 00 <br /> Match 1995 4 <br />