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i • <br /> July 20, 1984 <br /> Project 116-1.3 <br /> - 2 - <br /> Table 2 below provides volume data on FMC Group 1 Wastes disposed in <br /> Trench A. <br /> TABLE 2 - GROUP 1 WASTE <br /> Month FMC(cu.yds.) <br /> April 1984 320 <br /> May 1984 0 <br /> June 1984 440 <br /> TOTAL 760 <br /> Sumps in Group 1 Disposal Trenches #1 through #4 were checked for the <br /> presence of accumulated leachate on July 5, 1984 and were found to be dry. <br /> Groundwater samples were colected from Monitoring Wells #7 through #16 on <br /> July 5, 1984. Prior to sampling, each well was bailed to remove a volume <br /> of water equal to five well volumes. The sample was then collected and <br /> filtered through a #42 Whatman Filter Paper to remove suspended solids. <br /> The sample was split and half of each sample was fixed with nitric acid <br /> to preserve for metal ions. Analyses of groundwater samples are attached <br /> in Appendix A. <br /> These sampling methods and subsequent analyses are in conformance with <br /> "Standard Methods for the Examination of Water and Wastewater". Analyses <br /> were performed by California Water Labs of Modesto, California, a water <br /> laboratory certified by the California Department of Health Services. <br /> If you have any questions regarding the contents of this report, please <br /> call. <br /> Respectfully submitted, <br /> BETA ASSOCIATES <br /> Jack E. McCollough <br /> Registered Geologist #1559 <br /> Certified Engineering Geologist #905 <br /> JEM:sh <br /> cc: Mr. Gregory Basso, Forward, Inc. <br /> Mr. James Stahler, State Department of Health Services <br /> Mr. Lee Hall, San Joaquin Local Health District <br /> Mr. John Stovall, Neumiller and Beardslee <br /> Mr. Tom Horton, San Joaquin County Dept. of PAlic Works <br /> t <br /> "Beta c_4ssociates <br />