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Maw 2004 Kerr Cml terry * 2003 Arvaml Hybaory' Report * Ct7Pemit Na G80-006 ~ Pabe 2 <br />2.Q MONITORING AND ANALYSES <br />• Wazer monitoring activities during the 2003 water year (Oct. 2002 through Sept. 2003) were generally <br />based on the revised hydrologic monitoring schedule as approved in Technical Revision No. 19 (TR- <br />19), Table 61 (revised August 1999). TR-19 included a proposal to reduce monitoring activities. In <br />response, letters dazed January 20, 1999 and October 1, 1999, the State of Colorado Division of <br />Minerals and Geology (DMG) accepted the following modifications to the existing monitoring <br />schedule: <br />Surface water sites 300, 306, 314, 316, 317, 318, 322, and 327, and ground water sites AP-3 <br />and AP-4 at the loadout, have been dropped from monitoring. Monitoring of the ground <br />water walls in the Sudduth Coal Seam (79-61) and the overburden (79-1, 79-2, and 79-3) is <br />not required until the last two years preceding final bond release. <br />With the exception of deferred sampling of monitoring wells AP-1 and AP-2 in May rather than <br />April, due to frozen conditions, sampling during the 2003 weer }ear occurred on schedule. All field <br />data and sample collection for the 2003 water year was conducted under the direction of James <br />Mossman of Kerr Coal Company. All sample analyses were perfomred by ACZ Laboratories, Inc. of <br />Steamboaz Springs, Colorado. <br />This report discusses the groundwater and surface wazer monitoring activities and summari~rs the <br />data collected during the 2003 water year in the following sections: <br />• Section 3 - MireAraz G~trarluAter(Water-TaMeJ <br />• Section4-MvrArexAUurialC;'raarftenter <br />• • Section 5 - LoxdartArerAUurial Gramtuttter <br />• Section 6 - MireArez Ssafa~ Waxer <br />• Section 7 - LmdartAma Surface Wata- <br />• Section 8 - Welllrajxrrwrt <br />• Section 9 - FsuzaeMautrnia~ <br />Field and laboratory data are included in Appendices A through D. Locations of the monitoring <br />stations and wells are shown on Map 1, Mim Ares Ma>zitnrrig Statiwa, and Map 2, Laulart Atnr <br />Maatorirg Swtiwa. <br /> <br />MWH * 1475 Fire G,meRd, Ste 109, * Smtnfnzt Spnr~, Cdornda 80477 * (970) 87A6260 Rea 11/04 <br />w. ~ rov~.mdu~,dxrbwwe~iwi~~ao9 erydemw~, <br />3/19/W,IL <br />