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' January 2003 Kem Coat Canpanp * 2002 Annual Hydrotop~ Reyon * CO Pem3it No. C-80-006 • Poge 2 <br />2.0 MONITORING AND ANALYSES <br />Water monitoring activities during the 2002 water year (Oct. 200] through Sept. 2002) were generally <br />' based on the revised hydrologic monitoring schedule as approved in Technical Revision No. 19 (I'R- <br />19), Table 61 (revised Augvst 1999). TR-19 included a proposal to reduce monitoring activities. In <br />response, letters dated January 20, 1999 and October 1, 1999, the State of Colorado Division of <br />' Minerals and Geology (DMG) accepted the following modiFcations 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 ]oadout, have been dropped from monitoring. Monitoring of the ground <br />water wells 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 yeazs preceding fmal bond release. However, water levels were <br />measured semi-annually at these locations for the 2002 water yeaz and are included in this <br />report. <br />All field data and sample collection for the 2002 water year was conducted undo the direction of <br />James Mossman of Ken Coal Company. All sample analyses were performed by ACZ Laboratories, <br />Inc. of Steamboat Springs, Colorado. <br />. This report discusses the groundwater and surface water monitoring activities and summarizes the <br />data collected during the 2002 water year in the following sections: <br />' • Section 3 -Mine Area Groundwater (Water-Table) <br />• Section 4 -Mine Area Alluvial Groundwater <br />' • Section 5 - LoadoutAreaAlluvial Groundwater <br />• Section 6 - MineAna Surface IY/ater <br />• Section 7 - LaadoutAma Surface Water <br />' • Section 8 - lY/elllnrpection <br />• Section 9 -Future Monitoring <br />' Field and laboratory data aze included in Appendices A through C. Locations of the monitoring <br />stations and wells are shown on Map 1, Mine Area Monitoring Stationy and Map 2, L.oadaut Area <br />Manitorin8 Stationr. <br />MWH * 7475 Prne Grove Ad, Ste. 709, * SteamLaaf Spnngg Colorado 80477 * (970J 879-6260 <br />Y'{Y'gKm ead,Bi>y1~~w'H1Ae WJrv\~L0.TM)H3LLWg pgwr <br />1/16/03® <br />