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• <br />Bowie~ources LLC <br />Bowie No. 1 Mine <br />2007 Annual Hydrology Report <br />Summary of Hydrology Monitoring Stations for Report Year <br />able 1 <br />Station Elevation Depth Frequency of Measurements Report Report Format <br />Number Station Name (ft.) (ft.) Field Par. Lab. Par. Frequency AHR DMR Comments <br />OVEM Groundwater Monitoring Wells <br />B02 Borehole 2 7440 36.5 N/A N/A Annually Yes No Monitored for water level semi-annually <br />B04 Borehole 4 6833 54.9 N/A N/A Annually Yes No Monitored for water level semi-annually <br />B05 Borehole 5 6883 32.5 N/A N/A Annually Yes No Monitored for water level semi-annually <br />B06 Borehole 6 6781 93.8 N/A N/A Annually Yes No Monitored for water level semi-annually <br />B07 Borehole 7 6602 95.3 Semi-Annually Annually Annually Yes No Monitored for water level, field and Lab parameters <br />B08 Borehole 8 6790 38.8 N/A N/A Annually Yes No Monitored for water level semi-annually <br />North Fork Alluvium Groundwater Monitoring. Wells .. , <br />MW01 Monitoring Well 1 5716 25 Quarterly Quarterly Annually Yes No Monitored for water level quarterly (Volume 7, pg 2.05-41) <br />MW02 Monitoring Well 2 5737 41.8 Quarterly N/A Annually Yes No Monitored for water level quarterly (Volume 7, pg 2.05-41) <br />MW03 Monitoring Well 3 5727 31.9 Quarterly Quarterly Annually Yes No Monitored for water level quarterly (Volume 7, pg 2.05-41) <br />Steven's Gulch Golluvium Groundwater Monitorin g Wells' . "' ` ' <br />SM01 Monitoring Weli SM-1 7590 55 Semi-Annually Semi-Annually Annually Yes No No winter monitoring/access <br />SM05 Monitoring Well SM-5 7520 40 Semi-Annually Semi-Annually Annually Yes No No winter monitoring/access <br />SM06 Monitoring Well SM-6 7480 50 Semi-Annually Semi-Annually Annually Yes No No winter monitoring/access <br />SM07 Monitoring Well SM-7 7800 55 Semi-Annually Semi-Annually Annually Yes No No winter monitoring/access <br />SM09 Monitoring Well SM-9 7520 40 Semi-Annually Semi-Annually Annually Yes No No winter monitoring/access <br />SM10 Monitoring Well SM-10 7250 48.7 Semi-Annually Semi-Annually Annually Yes No No winter monitoring/access <br />SM11 Monitoring Well SM-11 7243 46.5 Semi-Annually Semi-Annually Annually Yes No No winter monitoring/access <br />NPDES Monitoring Points , <br />NP001 Water Treatment Plant (001) 6945 N/A N/A N/A N/A No No Treatment Plant has been torn down-no longer monitored <br />NP002 Sed Pond No. 4 (002) 6575 N/A Weekly Weekly Quarterly No Yes Sampled during discharge events for NPDES parameters <br />NP003 Parking Area Pond (003) 6610 N/A Weekly Weekly Quarterly No Yes Sampled during discharge events for NPDES parameters <br />NP004 Coal Stockpile Pond (004) 5740 N/A Weekly Weekly Quarterly No Yes Sampled during discharge events for NPDES parameters <br />NP005 Train Loadout Pond (005) 5720 N/A Weekly Weekly Quarterly No Yes Sampled during discharge events for NPDES parameters <br />NP006 West Mine Pond (006) 7340 N/A Weekly Weekly Quarterly No Yes Sampled during discharge events for NPDES parameters <br />T1-1 <br />