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Each ground-water sample was collected within a new, clean, disposable, polyethylene bailer <br /> lowered to gust 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, 1-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 May <br /> 9, 1995 The report of analytical results revealed wholly nondetectable concentrations of all <br /> constituents except for toluene, detected fractionally at the reporting limit of 0 3 pg/f in the <br />' sample collected from MW-3 The analytical results for three sampling activities to date are <br /> summarized in Table 2 The Sherwood Labs reports and chain-of-custody are included as <br /> Appendix B <br /> 1 <br /> WW Irwin Inc <br /> Project No 33236 OD <br /> May 1995 <br /> 5 <br /> i <br />