Section 445B.3651 - Identification of technologies that constitute presumptive NvMACTThe technologies to control mercury emissions which are set forth in this section by the associated system or process unit of the tier-1 thermal unit that emits mercury, and none other, are presumptive NvMACT:
1. For Goldstrike Mining Operations of Barrick Gold Corporation: | SYSTEM OR PROCESS UNITS OF TIER-1 THERMAL UNITS THAT EMIT MERCURY | TECHNOLOGIES FOR CONTROL OF MERCURY EMISSIONS |
| Ore roasting circuits | Gas quenching, wet gas condenser, wet electrostatic precipitator, mercury adsorption tower |
| Carbon reactivation kiln, unit 2 (Drum) | Wet venturi scrubber, sulfur-impregnated carbon filtration unit |
| Autoclave circuits (Units 1, 2, 2-3, 4 and 5-6) | Four wet venturi scrubbers (Units 1, 2-3, 4 and 5-6) |
| Retorts | Mercury condensers and scrubbers with carbon filtration canisters |
| Retort room exhaust | Sulfur-impregnated carbon scrubber unit (Stack combined with retort stack) |
| Electric induction furnaces | Cyclone and baghouse, sulfur-impregnated carbon filtration scrubber unit |
| Electrowinning cells | Sulfur-impregnated carbon filtration scrubber unit (Stack combined with electrowinning furnace) |
2. For Newmont Mining Corporation:(a) For the Gold Quarry Operations Area: | SYSTEM OR PROCESS UNITS OF TIER-1 THERMAL UNITS THAT EMIT MERCURY | TECHNOLOGIES FOR CONTROL OF MERCURY EMISSIONS |
| North and south CFB ore preheaters | Baghouses, SO2 scrubber |
| North and south CFB ore roasters | Roaster off-gas quench, wet scrubber, electrostatic precipitator, wash tower, SO2 scrubber, mercurous chloride scrubber |
| Carbon regeneration kilns, 1 and 2 (Drum) | Carbon adsorption unit, wet scrubber |
| Mercury retort furnaces | Carbon filter pack |
| Electric induction furnaces | Carbon filter pack, baghouse |
| Pregnant and barren solution tanks | Carbon adsorption unit, wet scrubber |
(b) For the Twin Creeks Mine: | SYSTEM OR PROCESS UNITS OF TIER-1 THERMAL UNITS THAT EMIT MERCURY | TECHNOLOGIES FOR CONTROL OF MERCURY EMISSIONS |
| Juniper mill carbon kiln (Drum) | Wet scrubber, mercury scrubber |
| Pinon mill carbon regeneration kiln (Drum) | Wet scrubber |
| Sage mill autoclaves | Venturi scrubber |
| Mercury retort furnaces | Carbon adsorption |
| Juniper induction furnaces | Baghouse |
3. For the Pipeline Mining Operation of Cortez Gold Mines of Placer Dome, Inc.: | SYSTEM OR PROCESS UNITS OF TIER-1 THERMAL UNITS THAT EMIT MERCURY | TECHNOLOGIES FOR CONTROL OF MERCURY EMISSIONS |
| Electric carbon reactivation kilns, 1 and 2 | Chemical treatment, added wet scrubber 10/05 |
| Electric induction refinery furnaces, 1 and 2 | Chemical treatment, baghouse |
| Electrowinning cells | Chemical treatment |
4. For the Jerritt Canyon Mine of Queenstake Resources, Ltd.: | SYSTEM OR PROCESS UNITS OF TIER-1 THERMAL UNITS THAT EMIT MERCURY | TECHNOLOGIES FOR CONTROL OF MERCURY EMISSIONS |
| East and west roasters | Gas quench scrubber, venturi dust scrubber, SO2 scrubber, mercury scrubber, tail gas scrubber, sodium hypochlorite injection system |
| Refinery and carbon regeneration kiln | Venturi mercury wet-scrubbing/carbon-polishing system |
Nev. Admin. Code § 445B.3651
Added to NAC by Environmental Comm'n by R189-05, eff. 5-4-2006