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XFI -P86-032A August 11 , 1986 MW-1 was drilled and completed to a total depth of 75. 0 feet . Free groundwater Was encountered at a depth of 16.0 feet and : owe to 14.5 feat following well completion. No evidence of petroi &ur, product odor was found. The well was installed wit loci ca s and the�k,�vy The well was developed on dune 13, 1 86 acid the wa ar 6amwere taken err June 17, 1996. The well was chocked for depth to water table, pr -ate odbr and floating product. No sheen or free product as well as odor were: noted in the well during our investigation. Prior to sampling, the well wag purged at least four wall-volumes frog a surface bailer. Samples were then collected using a Teflon bailer, decanted into VDA bottles and stored on ice until delivered to the laboratory. The results of the analysis and monitoring of the well l art �r, Table 1. HYDROG_F.OLOGY Groundwater is present at the site at a depth of 11. 0 feet below the surface. The subourface formations below the aitrj consist of silty clay with silty sand at depths of 16 to 19 5 feat. According to the DepArtment of water Resources, most of thr groundwater in tho San .7oaquin County is unable. CONCLTISION_AND DTSCUSSION The analytical results show concontrationa of dis -olvgj hydroc4oftona tO b® below the detection limit. since no flnpart a,, the gr ��,_ tinter was noted, we recommend no further monitor incl at thief t unlose the Regulatory Agencies request It. This letter report, consistinq of profeeaional opinions and recommendations, has been made in accordance with generally accepted professional principles and practices existing for such work. This acknowledgment is in lieu of all warranties either express or implied. It should be noted that environments) Changes, either naturally-occurring or artificially-induced, MAy