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PAW-8: This station was installed and monitoring began in 1994 to monitor the <br />effects of the Refuse Disposal Area at the New Elk Mine on Purgatoire River alluvial <br />• groundwater. The well is locateectdedonfromthe1994northto rdaze iver bank. Data collected (annual <br />minimum, maximum, mean) coll are presented in Table B-5. <br />PAW 9: This station was installed and monitoring began in 1994 to monitor the <br />overall effects of the New Elk activities on alluvial groundwater. This well is located on <br />the south bank of the river near PRS-4. Data collected (annual minimum, maximum, <br />mean) collected from 1994 to date are presented in Table B-6. <br />New Elk Mine Wafter Levels <br />NEW 4: This sample station, the west portal shaft of the New Elk Mine, was <br />established to monitor the recovery (flooding) and quality of water of the sealed New Elk <br />Mme. Reclamation work has resulted in the loss of this station. <br />NEW-2: This sample station, the east portal shaft of the New Elk Mine, was <br />established to monitor the recovery (flooding) and quality of water of the sealed. New Elk <br />Mine. Data collected at this station are presented in Table B-9. <br />NEW-3: A dip sample from the Apache Canyon shaft, used to assess the rate of <br />flooding and the quality of water in the New Elk mine workings following sealing (see <br />Table B-10). <br />NEW4: This sample station, a well, located down-dip a sufficient distance from the <br />• portals to reach a known flooded portion of the sealed New Elk Mine (near the conveyor <br />belt), was established to monitor the recovery (flooding) and quality of water. Data <br />collected at this station (annual minimum, maximum, mean) for 1994 through 2006 are <br />presented in Table B-11. <br />Refuse Disposal Area Plezometers <br />TH 201: Station TH 201, a piezometer, was installed on the lowest bench of the <br />Refuse Disposal Area fill (Bench 1) to determine the level of the piezometric surface <br />within the embankmeirt. <br />TH 202: Station TH-202, a piezometer, was installed in the Refuse Disposal Area. <br />(Bench 2) to determine the level of the piezometric surface within the embanla lent. <br />TH-203: Station TH-203, a piezometer, was installed in the Refuse Disposal Area. <br />(Bench 3) to determine the level of the piezometric surface within the embanimnent. <br />This information is to be used in analyses of embankment stability of the Refuse Disposal <br />land fill. Measuu+eraents (annual minimum, maxima 6 mean) for 1994 through 2007 are <br />pry in Table B-10. <br />• <br />10