1995-08-11_REVISION - M1977493 (10)

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TABLE 1. CHEMICALS USED AT CLIMAX MINE Chemical i Use i Quantity i Location Concentration Fate i Alarms Name i i On Site i On Site t Used Sodium Cyanide, Pyrite 80 drums Cyanide storage i 0.49 lbs/ton Tailing No granular i depression i +3300 gal tank i mixing room i i Liquid Cyanide i Pyrite i 240 gal tank i Tank above i 0.49 Ib/T Tailing No i depression i i #6 float cell i Phosphorous Lead i 6200# max Nokes Bldg i 0.02 Ib/T i Tailing Yes Pentasulfide i depression 1 5000# shipment i i to i 3750# avg 0.055 Ib/T Sulfuric Water treatment i 45,000# / load i Mayflower i 0.2 Ibs/1000 gal i Ten Mile Creek Yes Acid H2SO4 10,000 gal tank 10,000 gal max i wastewater i i on hand, 4-1 OK treatment avg on hand plant Dowfroth 250 Frother in 16,000 gal i Oil Tank House i 0.015 Ib/T Tailing i Being i flotation i i Tank #2 t i i Installed Pine Oil Flotation i 16,000 gal i Oil Tank House i 0.05 Ib/T Tailing Being I i Tank #1 i i i Installed Syntex Frothing agent 40 barrels Moly 0.02 Ib/T Tailing No i (2200 gal) warehouse i Syntex Frothing agent i 9000 gal i NE end of Mill : 0.02 Ib/T i Tailing No i I (reagent storage i t i i area) Sodium i Water treatment 4 barrels i Domestic Water i Varies i Tailing i No Hypochlorite i (chlorination) i (220 gal) i Treatment Bldg i 0.2 cl residual I Coherex i Dust control i 48,000 lbs/ Tank west side 1 1500 gal/day Tailing i No i i shipment or i of Ten Mile i 1 i 5700 gal/load in tailing pond j 18,000 gal tank Caustic Soda i Cyanide pH i 5 drums Nokes Bldg, i 50 Ibs/1000 gal i Tailing No Beads i adjustment; i (275 gal) i cyanide storage i water/1000 lbs i i Nokes pH room, and Nokes j adjustment j j Moly Dryer Bldg i Instant Nokes i Lead i 20 drums Nokes Bldg i 0.02 Ib/T i Tailing No Reagent i depression 1 1 100 gal i i to i 0.055 lb/T Conoco Light Oil i Collector in 16,000 gal i Oil Tank House i 0.15 to Tailing i Being I flotation i i Tank #3 1 0.5 Ib/T i i Installed Calumet 6100 i Collector or i 32,000 gal Oil Tank House i 0.15 to i Tailing Being I rougher in i i Tanks #4, #5 i 0.5 Ib/T i i Installed flotation Nalco 7873 Flocculant- i 10 barrels i Regrind area 0.012 Ib/T Tailing i Yes i thickener feed i i of Mill Lime Milling process ; 30,000 gal i 2 tanks in NE 1.7 Ib/T Tailing No i pH adjustment i i end Mill Bldg i i Lime =Water treatment 48,000 lbs Lime bin at TDH 18 Ibs/1000 gal Tailing No Lime i Water treatment 567,000 lbs McNulty Lime i 16 Ibs/1000 gal i Tailing No Station Ammonium i Assay lab 54 gal Compressor i Varies Tailing No Hydroxide i i i room at Mill i Hydrochloric i Lab 18 gal i Chemical storage i Varies i Tailing No Acid (HCI) i i i Rm-Assay Lab i t i Phosphoric Acid Lab 4 gal Chemical storage Varies Tailing i No i Rm-Assay Lab Soda Ash i Water treatment i 75 bags i Domestic 0.8 Ib/1000 gal i Tailing No 3750 lbs i Water Bldg i i i Aluminum Water treatment 75 bags i Domestic i 0.8 Ib/1000 gal ; Tailing No Sulfate i i 3750 lbs i Water Bldg I i 9