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o A portable chemical or compost toilet must be on site during operations. <br />o No chemicals or additives may be used in water used for washing minerals on site. <br />Any fuels, antifreeze, solvents or potential hazardous materials must be properly <br />stored to contain any leaks, and will be placed at least 100 feet away any perennial, <br />intermittent, and ephemeral drainages. Limit refueling to designated areas. <br />o The operator will use spill pads when pouring fuel or other petroleum products into <br />tanks or other containers, to contain any spillage before it reaches the soil or water. <br />o In the event of a petroleum (gas, diesel, oil, etc.) spill or other hazardous material <br />spill onto the soil of the claim, immediately contact the National Response Center at <br />1- 800 - 424 -8802 and Mineral County Sheriff. If hazardous substances are spilled on a <br />federal, state or county roadway contact the Colorado State Patrol. All hazardous <br />material spills will be disposed of according to Colorado State Hazmat disposal <br />guidelines. <br />o Dumping of gray water or washing must be over 100 feet away from any stream <br />channel. <br />Road -Use, Construction and Reclamation: <br />o The Forest Service will inspect, to the extent necessary, all equipment prior to <br />entry on NFS lands. <br />o Limit temporary road, equipment trails and other soil disturbances to the <br />minimum feasible number, width, and total length consistent with the plan of <br />operations. <br />o The operator must monitor all temporary access roads (new and existing) for <br />erosion that would impact riparian corridors. The operator must maintain water <br />bars, rolling dips and lead -out ditches. Use wattles and sediment fences in lead - <br />out ditches as needed. Silt fencing must be installed as needed. <br />o All non - system roads utilized through exploration operations must be reclaimed to <br />near- natural conditions immediately following the completion of mining <br />operations as follows: <br />o Roads and related structures must be obliterated to provide adequate drainage <br />o All culverts must be removed and a natural grade reestablished. <br />o Obliterated roads must be recontoured and revegetated. <br />Drill Road & Portal Pad Site Construction and Reclamation: <br />o Avoid operations during or directly after periods of heavy precipitation or when soils <br />are saturated. <br />o The operator would be required to reclaim all excavation sites by filling with <br />excavated material, recontouring, replacing topsoil and seeding. <br />o All overburden and waste rock will be separated into two distinct piles: 1) topsoil and <br />2) general overburden. Topsoil will be considered the uppermost four inches of <br />mineral soil and any organic matter (e.g. litter or duff) above the mineral surface. <br />The topsoil must be stockpiled on private property as and clearly labeled. On all <br />slopes greater than 10 percent, topsoil and overburden piles must have silt fencing <br />effectively installed down slope of the piles. Mining spoils must be placed <br />immediately upslope of dig sites such that any eroded material would be captured by <br />the excavation. <br />Underground Exploration at Bulldog Mine 8 1 P a g e <br />