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Table 1 . South Gifford Road Landfill Proposed Semi-Annual Groundwater Monitoring Network <br /> Well Total Well Screened Top of Casing Analyses Proposed <br /> Well Name Diameter Depth Interval Elevation Sampling Rationale <br /> (in) (ft, BLS) (ft, BLS) (ft, NGVD) EPA NA Z MPIS <br /> 8260 List <br /> GR-MW07D 2 55 45 - 55 25 . 1 Monitor groundwater southwest of plume centerline, currently ✓ ✓ ✓ <br /> free of TCE . Downgradient MPIS monitoring well . <br /> GR-MW09D 2 47 . 9 35 - 45 25 . 37 Monitor groundwater northeast of plume, currently free of TCE ✓ <br /> and cDCE . <br /> GR-MW l OD 2 53 . 1 40 - 50 26 .44 Monitor groundwater southwest of plume, currently free of ✓ <br /> TCE and cDCE . <br /> GR-MW11D 2 45 35 - 45 22 . 16 Monitor groundwater east of plume, currently free of CVOCs . ✓ <br /> GR-MW 12D 2 50 40 - 50 24 . 89 Monitor groundwater east of plume, currently free of TCE and ✓ <br /> cDCE . <br /> GR-MW 15D 2 50 40 - 50 21 . 79 Monitor groundwater (2400 ft) southeast of source area along ✓ <br /> centerline of plume . <br /> GR-MW 16D 2 50 40 - 50 24 .32 Monitor groundwater southwest of plume, currently free of ✓ ✓ <br /> TCE . Downgradient MPIS monitoring well . <br /> GR-MW 17D 2 55 45 - 55 24 . 98 Downgradient MPIS monitoring well . ✓ <br /> GR-MW21D 2 60 50 - 60 25 . 86 Monitor groundwater southwest of plume, currently free of ✓ <br /> CVOCs . <br /> GR-MW22D 2 60 50 - 60 21 .32 Monitor groundwater northeast of plume, currently free of ✓ <br /> CVOCs . <br /> GR-MW23D 2 55 45 - 55 22 . 07 Monitor groundwater (-900 ft) northwest of source area. ✓ ✓ <br /> G_R -NAW? 8D 2 50 40 50 NA Mondor groundwater ( - 1500 ft) southeast of source ai ca. <br /> GR-MW29D 2 45 35 - 45 NA Monitor groundwater (2000 ft) southeast of source area. ✓ <br /> XR05010 IRC MPIS-PM Sampling\R050001J-Table. xis Page 4 of 6 <br />