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�3. <br /> April 13, 1983 <br /> Project 116-1.3 <br /> _ 5 _ <br /> TABLE 4 - LEACHATE ANALYSIS (mg/1) (Continued) <br /> January February March <br /> Cu < 0.05 < 0.05 0.09 <br /> Ba < 0.5 < 0.5 0.76 <br /> Sr 208 156 225 <br /> Ca 181 79 214 <br /> Note: < _ "less than" <br /> We are currently awaiting comments from your staff pertaining to the <br /> monitoring well designs submitted in January. when the design details <br /> are approved, we will schedule a drill rig to install wells #10, #11 and <br /> #12 (weather and access permitting). <br /> Groundwater samples were collected from Monitoring Wells #7 and #9 on <br /> April 4, 1983. Prior to sampling, each well was bailed to remove a <br /> volume of water equal to five well volumes. The sample was then <br /> collected and filtered through a #42 Whatman Filter Paper to remove <br /> suspended solids. The sample was split and half of each sample was fixed <br /> with nitric acid to preserve for metal ions. <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 /> Table 5 summarizes all groundwater observations and analyses at <br /> Monitoring Wells #7 and #9. <br /> GBetaclssociates <br />