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 | |
|---|---|---|---|---|---|---|
| B011592 | WET LANTHANUM - PROCESS TRAIN 1 | N/A | 02/05/2025 | 02/28/2026 |
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| B011593 | WET LANTHANUM - PROCESS TRAIN 2 | N/A | 02/05/2025 | 02/28/2026 |
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| T011605 | BREAK TANKS - HCL & CAUSTIC | N/A | 02/05/2025 | 02/28/2026 |
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| T011606 | TANK FARM | N/A | 02/05/2025 | 02/28/2026 |
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| C011607 | HCI SCRUBBER - VENTING TANK FARM | 90% control efficiency | 02/05/2025 | 02/28/2026 |
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| B011624 | LEACH PROCESS EQUIPMENT | N/A | 02/05/2025 | 02/28/2026 |
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| B011625 | LEACH MATERIAL HANDLING EQUIPMENT | N/A | 02/05/2025 | 02/28/2026 |
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| C011626 | LEACH SCRUBBER | N/A | 02/05/2025 | 02/28/2026 |
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| C011634 | SXH/I TANK FARM SCRUBBER | N/A | 02/05/2025 | 02/28/2026 |
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| B011667 | WET DIDYMIUM PROCESS EQUIPMENT TRAIN #1 | N/A | 02/05/2025 | 02/28/2026 |
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| B011668 | WET DIDYMIUM PROCESS EQUIPMENT TRAIN #2 | N/A | 02/05/2025 | 02/28/2026 |
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| C011669 | WET DIDYMIUM SCRUBBER | N/A | 02/05/2025 | 02/28/2026 |
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| B011754 | SODA ASH SYSTEM - NFB SEPARATIONS PLANT | N/A | 02/05/2025 | 02/28/2026 |
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| C011755 | BIN VENT - NFB SEPARATIONS SODA ASH SYSTEM | Mikro-Pulsaire, model 20S-10-30 “B” style wi... | 02/05/2025 | 02/28/2026 |
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| B011837 | CaF2 SYSTEM | N/A | 08/08/2017 | 02/28/2018 |
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| C011836 | DUST COLLECTOR | Airmax dust collector, Model 150 S; Serial TBD, ... | 08/08/2017 | 02/28/2018 |
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| B011859 | OXALIC ACID MATERIALS HANDLING SYSTEM #1 | N/A | 02/05/2025 | 02/28/2026 |
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| B011860 | OXALIC ACID MATERIALS HANDLING SYSTEM #2 | N/A | 02/05/2025 | 02/28/2026 |
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| C011861 | OXALIC ACID MATERIALS HANDLING SYSTEM DUST COLL... | Mfg. TBD, model TBD with the following specifica... | 02/05/2025 | 02/28/2026 |
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| C011862 | OXALIC ACID MATERIALS HANDLING SYSTEM DUST COLL... | Mfg. TBD, model TBD with the following specifica... | 02/05/2025 | 02/28/2026 |
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| T011873 | BRINE RECOVERY EQUIPMENT | N/A | 02/05/2025 | 02/28/2026 |
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| T011913 | CHLOR ALKALI PROCESS, ACID DAY TANK | N/A | 02/05/2025 | 02/28/2026 |
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| C011916 | CHLOR ALKALI PROCESS, VENT SCRUBBER #1 | N/A | 02/05/2025 | 02/28/2026 |
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| B011908 | CHLOR ALKALI PROCESS, BRINE PURIFICATION / ELECT... | N/A | 02/05/2025 | 02/28/2026 |
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| B011909 | CHLOR ALKALI PROCESS, HCL REACTION UNIT #1 | N/A | 02/05/2025 | 02/28/2026 |
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