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<br />BATTLE MOUNTAIN RESOURCES, INC. <br />ADEQUACY RESPONSES - ADDITIONAL INFORMATION <br />PAGE 2 OF 7 <br />For the maximum solution strength of 125 ppm or 0.25 pounds per ton of <br />solution, the 2,000 pounds of hypochlorite will detoxify 1,142.4 tons of <br />solution. Th;s is approximately equivalent to 228,480 gallons of solution <br />(assuming a conservative weight of solution of 10 pounds per gallon or <br />equivalent to a heavy slurry solution). <br />The actual amount detoxified may vary greatly from the presented <br />calculations. Conditions at the time of detoxification as well as the <br />specific material being detoxified will play a large role in determining <br />the amount of hypochlorite necessary. The number presented can only be used <br />as a general guideline. <br />5. Please provide information on the spill containment as requested in comment <br />5. <br />Information on the mill facilities spill containment is provided in <br />Attachment 2 of the adequacy response letter dated January 9, 1990. <br />6. The comment was satisfactorily addressed in the January 9, 1990 submittal. <br />7. Pease provide written documentation from the Corps or the SCS on the <br />design of the flood control berm. <br />According to Frank Collins of the Emergency Management Branch of the Corps <br />of Engineers (505-766-3829), the flood control berm for the town of San <br />Luis was constructed as an emergency measure to save the town from flooding <br />in 1979 at the request of Costilla County. The berm was constructed as a <br />levy along an old road. The berm was not designed to any particular Corps <br />specifications, however Mr. Collins observations are that the berm "cannot <br />be overtopped". The berm varies in height between 2 and 29 feet with atop <br />width of 12 feet and side slopes of 2H:1V. The berm runs along the east <br />side of the town of San Luis fora length of approximately 6,000 feet. The <br />berm was constructed as a temporary structure to be removed after the <br />spring runoff in 1979, however the berm was never removed. Plans and <br />specifications are available from the Corps or from either Larry Lang or <br />Bob Kistner. Mr. Lang works for the Colorado Water Conservation Board and <br />Mr. Kistner is a consultant to the Board. <br />8. The comment was satisfactorily addressed in the January 9, 1990 submittal. <br />9. The comment was satisfactorily addressed in the January 9, 1990 submittal. <br />