Facility Info
364
Mountain Pass Mine
10/17/07 Rec'd a change of owner applications for all the permits currently under Union Oil Molycorp. The change is going from Union Oil Molycorp to Chevron Mining, Inc. The company/facility numbers will be staying the same. (005/0364) Barbara Weese
08-08-2017 Moved Companies From Molycorp Minerals, LLC(5) to MP Mine Operations LLC(2349)
- N/A
- 35.47599
- -115.52827
- No
- 320
- 0
- 24
- 5
- 48
- N/A
- 212390
- 1099
- 634E/3926N
- No
- 02
Zone 2 - Outer regions of I-15 Corridor, round trip 4 hours, intrazone 1 hour
- Yes
- 36
- 36
- O
- Active
- No
- No
- NOx, PM10
- No
- N/A
- No
- 12/31/1969
- 08/23/2024
| Permit Number | Permit Description | Equipment Description | Issue Date | Expiration Date | Action | |
|---|---|---|---|---|---|---|
| C000702 | BAGHOUSE - YTTRIUM OXIDE PRODUCTS | a unit by Bact Engineering with the following sp... | 02/15/2011 | 02/29/2012 |
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| C004029 | BAGHOUSE - YTTRIUM PACKAGING PROCESS | a unit by C.P. Environmental Filters Iinc. with ... | 02/15/2011 | 02/29/2012 |
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| C004031 | BAGHOUSE - YTTRIUM CO-PRECIPITATION PACKAGING PR... | a unit by Torit Manufacturing with the following... | 02/15/2011 | 02/29/2012 |
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| C004415 | BIN VENT - No. 2 CERIUM PACKAGING SYSTEM (SOUTH ... | a unit by Hosokawa Mikropul Environmental System... | 08/08/2017 | 02/28/2018 |
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| C004666 | SCRUBBER, CAUSTIC (H2S WET SCRUBBER) | a unit by Duall Division of Met Pro Corporation,... | 02/05/2025 | 02/28/2026 |
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| C004941 | BIN VENT - PORTABLE SILO (CHEMICAL PLANT) | a unit by Belgrade Steel Tank Company, model num... | 08/08/2017 | 02/28/2018 |
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| C003996 | BAGHOUSE - NEODYMIUM OXIDE CALCINER (64-3502) | a unit by Luzan and Company with the following s... | 02/15/2011 | 02/29/2012 |
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| C004922 | SCRUBBER, CERIUM REDOX | 54-3501 LF Manufacturing caustic scrubber for s... | 02/05/2025 | 02/28/2026 |
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| C001934 | VAPOR RECOVERY SYSTEM - SX TANK No. 2 (CHEMICAL ... | VS-2 ID Exhaust Fan @ 3340 ACFM, by a 7.5 h... | 02/05/2025 | 02/28/2026 |
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| C001935 | VAPOR RECOVERY SYSTEM | VS-1 ID Exhaust Fan @ 7570 ACFM, by a 15 hp... | 02/05/2025 | 02/28/2026 |
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| B007791 | PORTABLE IMPACT CRUSHER | a Crush Boss (TM) 6356 Horizontal Shaft Impactor... | 04/14/2000 | 02/28/2001 |
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| C000700 | BAGHOUSE | Manufactured by Hoffman Products, operating at 3... | 02/05/2025 | 02/28/2026 |
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| B008263 | FLOTATION REAGENT HANDLING SYSTEM | Granular Ultrazine reagent unloading, handling a... | 02/15/2011 | 02/29/2012 |
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| C008264 | BAGHOUSE (FLOTATION REAGENT HANDLING) | An integral twin cartridge filter air pollution ... | 02/15/2011 | 02/29/2012 |
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| B008294 | Temporary Rare Earth Packaging System | a Gap-Vax HV-57 truck and trailer mounted cyclon... | 03/13/2002 | 02/28/2003 |
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| C008295 | Temporary Rare Earth Packaging System Particulat... | an integral particulate collection unit. This u... | 03/13/2002 | 02/28/2003 |
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| B008344 | ALTERNATE TEMPORARY RARE EARTH PACKAGING SYSTEM | Stationary Screen (3" x 3"), and packaging hoppe... | 03/19/2002 | 02/28/2003 |
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| B008348 | TEMPORARY LANTHANUM PACKAGING SYSTEM | CEC Series II truck mounted screening plant (fee... | 04/04/2002 | 02/28/2003 |
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| B008794 | TEMPORARY PACKAGING SYSTEM | Stationary grizzly screen and hopper (serving sl... | 02/13/2012 | 02/28/2013 |
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| E007792 | DIESEL IC ENGINE, EMERGENCY GENERATOR | Year of Manufacture: Unknown | 02/05/2025 | 02/28/2026 |
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| E010118 | DIESEL IC ENGINE, EMERGENCY GENERATOR (GND-2) | Yr of Mfg1987, Tier 0 | 03/12/2013 | 02/28/2014 |
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| B011111 | COMBUSTION TURBINE GENERATOR #1 | 12.3 MW Solar Model Titan 130, 143 MMBtu/hr natu... | 02/05/2025 | 02/28/2026 |
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| C011113 | OXIDATION CATALYST #1 | Manufacturer: BASF and model #1, control system... | 02/05/2025 | 02/28/2026 |
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| C011114 | SELECTIVE CATALYTIC REDUCTION SYSTEM #1 | selective catalytic reduction system, manufactur... | 02/05/2025 | 02/28/2026 |
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| B011112 | COOLING TOWER #1 | One-two cell cooling tower, manufacturer and mod... | 02/25/2020 | 02/28/2021 |
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