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 | |
|---|---|---|---|---|---|---|
| B011344 | LIGNOSULFONATE REAGENT SYSTEM | N/A | 02/05/2025 | 02/28/2026 |
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| C011365 | LIGNOSULFOATE DUST COLLECTION BLOWER | D10-BL07 Manufacturer TBD, Model TBD Flowrate... | 02/05/2025 | 02/28/2026 |
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| C011380 | BIN VENT BLOWER - LIGNOSULFONATE REAGENT SYSTEM | D10-BL06 Manufacturer TBD, Model TBD Flowrate... | 02/05/2025 | 02/28/2026 |
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| B011460 | COOLING TOWER - CHLOR-ALKALI PLANT | One four-cell cooling tower, manufacturer and mo... | 02/05/2025 | 02/28/2026 |
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| B011316 | SXH (HEAVIES SEPARATION) CIRCUIT | N/A | 02/05/2025 | 02/28/2026 |
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| B011317 | SXI (IMPURITIES REMOVAL) CIRCUIT | N/A | 02/05/2025 | 02/28/2026 |
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| C011325 | ADSORBER #1 - HCl, SXH/I CIRCUIT | N/A | 02/05/2025 | 02/28/2026 |
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| C011326 | ADSORBER #2 - HCl, SXH/I CIRCUIT | N/A | 02/05/2025 | 02/28/2026 |
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| C011327 | ADSORBER #1 - SX-12, SXH/I CIRCUIT | N/A | 02/05/2025 | 02/28/2026 |
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| C011328 | ADSORBER #2 - SX-12, SXH/I CIRCUIT | N/A | 02/05/2025 | 02/28/2026 |
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| B011345 | SODA ASH SYSTEM | N/A | 02/05/2025 | 02/28/2026 |
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| T011346 | SILO - SODA ASH | D10-SI01, Dimensions 10' dia x 60', 35,250 gallo... | 02/05/2025 | 02/28/2026 |
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| C011347 | VENT FILTER - SODA ASH SILO | N/A | 02/05/2025 | 02/28/2026 |
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| B011348 | COAGULANT REAGENT SYSTEM | N/A | 04/19/2025 | 10/07/2011 |
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| B011349 | SAPONIFIED FATTY ACID REAGENT SYSTEM | N/A | 04/19/2025 | 10/07/2011 |
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| B011350 | FLOCCULANT REAGENT SYSTEM (MILLING & FLOTATION) | N/A | 02/05/2025 | 02/28/2026 |
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| C011379 | SCRUBBER - SODA ASH | D10-SCRB01, Manufacturer and model TBD, which se... | 02/05/2025 | 02/28/2026 |
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| B011353 | PASTE TAILINGS PLANT | N/A | 02/05/2025 | 02/28/2026 |
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| B011354 | FLOCCULANT REAGENT SYSTEM (PASTE TAILINGS) | N/A | 02/05/2025 | 02/28/2026 |
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| B011357 | CEMENT (BINDER) REAGENT SYSTEM | N/A | 08/08/2017 | 02/28/2018 |
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| T011358 | CEMENT (BINDER) SILO | N/A | 08/08/2017 | 02/28/2018 |
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| C011359 | BIN VENT - CEMENT (BINDER) SILO | Manufacturer TBD Model TBD with the following s... | 08/08/2017 | 02/28/2018 |
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| B011360 | PASTE TAILING MIXER | N/A | 02/05/2025 | 02/28/2026 |
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| C011361 | SCRUBBER - PASTE TAILING MIXER | B05-DC01 Wet Scrubber Manufacturer: Ducon, Mode... | 02/05/2025 | 02/28/2026 |
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| B011367 | BOILER, TEMPORARY MILL | 83 MMBtu/hr diesel fired boiler with dry low NOx... | 03/12/2013 | 02/28/2014 |
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