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<br />On-site transport of the sealed bins will take place <br />entirely within the mill containment area. The mill site is <br />constructed and graded to drain to the tailings impoundment. <br />Other traffic in the vicinity of the pathway for transport <br />of the bins to and from the storage area will be minimized <br />to the extent possible to avoid possible collisions. As <br />outlined in the approved Emergency Response Plan, operators <br />involved in the on-site transport of chemicals receive <br />instruction on safe handling procedures, including: <br />- operating forklifts <br />- positioning equipment adjacent to storage areas, and <br />- securing containers to prevent tipping. <br />(4) Please provide design details concerning the floor slab <br />and curbing proposed to provide containment for the new <br />flo-bin storage area. Does the slab incorporate a sealing <br />membrane or compacted barrier? How high is the curb at its <br />lowest point? <br />The new storage area is 45 feet by 25 feet with a minimum 4 <br />inch high curb. The construction was in a manner consistent <br />with the rest of the mill facilities. The area was graded <br />to drain to the leach tank containment area and compacted <br />prior to pouring concrete. The floor slab is sloped to <br />drain into the leach tank containment area. An entrance <br />ramp with a lip has been constructed to provide containment <br />and access to the storage area. The entire area is fenced <br />with a six-foot high chain link security fence. Any <br />precipitation falling on the storage area will drain from <br />the storage area to the leach circuit sump. <br />(5) Is there a housekeeping plan to periodically flush the <br />containment slab within the flo-bin storage area? <br />The measures discussed above (i.e., locking and rinsing of <br />the outside of the bins) are designed to prevent the release <br />of any powder containing cyanide within the storage area. <br />The storage area is designed to drain into the leach circuit <br />sump and can be periodically rinsed, if necessary. In <br />addition, precipitation falling in the area will provide <br />some periodic rinsing. During loading and unloading of the <br />bins, the storage area will be visually examined and rinsing <br />will be initiated as necessary. <br />(6) The TR-011 application appears to address only the <br />vertical release of cyanide to the underlying containment <br />pad. What techniques will be applied to control dispersion <br />of powdered cyanide by moving air? <br />As discussed in the responses to items 2 and 3, BMG is <br />instituting a program to ensure that no leakage of powder <br />occurs from the bins. The storage area is graded to drain <br />to the leach tank circuit sump. No airborne release from <br />the liquid will therefore occur in the storage area. <br />