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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 z MPIS <br /> 82601 NA List' <br /> A Zone (5 - 15 ft BLS) <br /> GR-MWOIA 2 13 2 . 50 - 12 . 02 25 . 07 Upgradient MPIS monitoring well . ✓ <br /> Monitor changes 0900 ft) downgradient of source area. <br /> GR-MW02A 2 15 4 . 5 - 14 . 5 28 . 2 V/ V/ V/Downgradient MPIS monitoring well <br />. <br /> GR-MW03A 2 13 2 . 50 - 12 . 02 24 . 47 Downgradient MPIS monitoring well . ✓ <br /> GR-MW04A 2 15 5 .00 - 14 . 50 26 . 68 Downgradient MPIS monitoring well . ✓ <br /> Monitor groundwater conditions southwest of CVOC plume . <br /> GR-MW16A 2 14 . 5 4 . 5 - 14 . 03 24 . 48 V/ V/Downgradient MPIS well . <br /> GR-MW17A 2 15 5 — 15 25 .01 Downgradient MPIS monitoring well . ✓ <br /> GR-MW 18A 2 15 5 — 15 21 . 56 Monitor groundwater conditions northeast of plume, currently ✓ ✓ <br /> free of TCE and VC . <br /> GR-MW21A 2 15 5 — 15 26 .02 Monitor groundwater southwest of plume, currently tree of ✓ <br /> CVOCs . <br /> Monitor groundwater northeast of plume, currently free of <br /> GR-MW22A 2 15 5 - 15 21 . 51 ✓ <br /> CVOCs . <br /> GR-MW23A 2 15 5 - 15 22 . 01 Monitor groundwater (-900 ft) upgradient of source area. ✓ <br /> GR-MW27A 2 15 5 — 15 22 . 01 Monitor groundwater (-- 1300 ft) upgradient of source area. ✓ <br /> GR-MW30A 2 15 5 - 15 NA Monitor former source area. ✓ ✓ <br /> GR-MW32A ` 2 15 5 - 15 NA Monitor groundwater northwest of plume, currently free of ✓ <br /> CVOCs . <br /> XR05010 IRC MPIS-PM Sampling\R050001J-Table.xls Page 1 of 6 <br />