Fast Facts: Hazardous Materials

Significant amounts of hazardous materials such as explosives and toxic chemicals will be utilized and stored onsite if the Idaho-Maryland Mine reopens.

  1. Explosives will include ANFO (Ammonium Nitrate and Fuel Oil), and Ammonium Nitrate Emulsion. Up to 28,000 lbs. of explosives will be stored onsite underground.

  2. Diesel fuel storage will consist of a 30,000 gallon, above-ground storage tank at the Brunswick site and a 1,200 gallon tank at the Centennial site.

  3. A number of other chemicals will be utilized for processing the gold using the sulfide flotation system and other activities.

  4. Dioxins, PCP, and TCP were used during the lumber/ mill years 1950-2000. Lumber was treated with pesticide solution. Testing revealed presence of PCP and TCP down to 7 feet and in groundwater in 1987

[1] Applicants Project Description, Nov 2019, p. 9

[2] Applicants Project Description, Nov 2019, Table 9 on p. 19

[3] Applicants Project Description, Nov 2019, p. 12

[4] NV5 Phase I/II Environmental Site Assessment, Brunswick Industrial Site APNs 006-44, June 16, 2020, pp. 34-35

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