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' March 23,2006 <br /> NOA PROJECT NUMBER E05131A <br /> Table 1: Summary of Well Construction <br /> Casing Screen Casing Depth Depth Total <br /> Well Ref. to Top to Top Boring <br /> Length Length Diam. Lat. Long. <br /> ID Elev. (ft) (ft) (in) Bent. Sand Depth <br /> ' (ft) (ft) (ft) <br /> l\fW-1 43.21 42.0 20 2 34.0 37.0 59.0 38.20612676 -121.29574338 <br /> MW-2 1 45.64 1 42.5 20 2 34.537.5 59.5 1 38.20741895 1 -121.29969207 <br /> ' MW-3 1 44.17 1 43.0 1 20 1 2 35.0 1 38.0 1 60.0 1 38.20509175 1 -121.30254428 <br /> Survey conducted on March 20,2006 by Baumbach and Piazza,Inc. <br /> ' 4.0 QUARTERLY MONITORING EVENT, THIRD QUARTER 2005 <br /> ' Groundwater samples were collected from the three existing monitoring wells on March 20,2006 as part <br /> of the first quarter 2006 sampling event. Samples were collected from the onsite monitoring wells and <br /> analyzed as follows: <br /> ' MW-1 -Samples collected and analyzed for Routine Water Quality and Standard Minerals; <br /> MW-2 -Samples collected and analyzed for Routine Water Quality and Standard Minerals;and, <br /> ' MW-3 - Samples collected and analyzed for Routine Water Quality and Standard Minerals. <br /> After collection of the depth to water data,the monitoring wells were developed with the use of a bailer <br /> ' prior to quarterly monitoring. <br /> 4.1 Depth to Ground Water Measurements <br /> Immediately after arriving at the site on March 20,2006,the monitoring wells were opened and allowed <br /> ' to equalize for approximately 30 minutes. Prior to purging and sampling, each monitoring well was <br /> gauged for depth to groundwater and total depth. The depth to water, ground water elevation and <br /> gradient data are shown in Table 2. <br /> 1 <br /> ' 6 <br /> 1 <br />