The existing thermal units that emit mercury which are set forth in this section, and none other, are tier-1 thermal units that emit mercury:
SYSTEM OR PROCESS UNITS OF TIER-1 THERMAL UNITS THAT EMIT MERCURY | NUMBER OF UNITS | MANUFACTURER, MODEL NUMBER, SERIAL NUMBER OR OTHER DESCRIPTION |
Ore roasting circuits | 2 | S2.209.1 and S2.209.2 from Air Permit 1041-0739 |
Carbon reactivation kiln, unit 2 (Drum) | 1 | Lockheed Haggerty, serial number 119-122 |
Autoclave circuits (units 1, 2, 2-3, 4 and 5-6) | 6 | Eaton Metals |
Retorts | 3 | EnviroCare Systems |
Retort room exhaust | 1 | Vented through controls on the retorts |
Electric induction furnaces | 2 | Inductotherm Corporation: East: Model number 125 KW PowerTrak and serial number 91-50165-246-11 West: Model number 75 KW PowerTrak and serial number 87-77730-246-11 |
Electrowinning cells | 16 | Located on the second floor of the secured refinery building |
SYSTEM OR PROCESS UNITS OF TIER-1 THERMAL UNITS THAT EMIT MERCURY | NUMBER OF UNITS | MANUFACTURER, MODEL NUMBER, SERIAL NUMBER OR OTHER DESCRIPTION |
North and south CFB ore preheaters | 2 | Thermal Transfer, custom-made |
North and south CFB ore roasters | 2 | Mark Steel, custom-made |
Carbon regeneration kilns, 1 and 2 (Drum) | 2 | Boliden-Allis, custom-made |
Mercury retort furnaces | 7 | Saracco Manufacturing Corporation, custom-made |
Electric induction furnaces | 3 | Inductotherm Corporation |
Pregnant and barren solution tanks | 3 | Two tanks located inside and one tank located immediately outside the refinery building |
SYSTEM OR PROCESS UNITS OF TIER-1 THERMAL UNITS THAT EMIT MERCURY | NUMBER OF UNITS | MANUFACTURER, MODEL NUMBER, SERIAL NUMBER OR OTHER DESCRIPTION |
Juniper mill carbon kiln (Drum) | 1 | Lockheed Haggerty |
Pinon mill carbon regeneration kiln (Drum) | 1 | Lockheed Haggerty, Serial number 171-63 |
Sage mill autoclaves | 2 | Eaton Metals |
Mercury retort furnaces, A, B, C and D | 4 | Lockheed Haggerty: Retorts A-D: Model number 13053 Retort A: Serial number 171-64a Retort B: Serial number 171-64b Retort C: Serial number 16082, equipment number 370-514-103 Retort D: Serial number 16082, equipment number 370-514-104 |
Juniper induction furnaces, east and west | 2 | Inductotherm Corporation: East: New furnace located in smelting area West: Serial number 750-72010-3-87 |
SYSTEM OR PROCESS UNITS OF TIER-1 THERMAL UNITS THAT EMIT MERCURY | NUMBER OF UNITS | MANUFACTURER, MODEL NUMBER, SERIAL NUMBER OR OTHER DESCRIPTION |
Electric carbon reactivation kilns, 1 and 2 | 2 | Lockheed Haggarty, 48X40 |
Electric induction refinery furnaces, 1 and 2 | 2 | Inductotherm Corporation, VIP PowerTrak-R; serial numbers 80354 and 59585 |
Electrowinning cells | 6 | Summit Valley, 125CF |
SYSTEM OR PROCESS UNITS OF TIER-1 THERMAL UNITS THAT EMIT MERCURY | NUMBER OF UNITS | MANUFACTURER, MODEL NUMBER, SERIAL NUMBER OR OTHER DESCRIPTION |
East and west roasters | 2 | Keeler/Dorr-Oliver: East: Serial number 46DD 3250 West: Serial number 46DD 3050 |
Refinery and carbon regeneration kiln | 1 | Elmco Technologies, serial number 44DD 3071 |
Nev. Admin. Code § 445B.3653
NRS 445B.210, 445B.300