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)
| Permit Number | Permit Description | Equipment Description | Issue Date | Expiration Date | Action | |
|---|---|---|---|---|---|---|
| C011336 | BAGHOUSE - CRUSHING PLANT | Manufacturer Airlanco, Model 18812LP10STYLE III,... | 02/10/2026 | 02/28/2027 |
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| T011337 | STORAGE BIN NO. 1 - FINE ORE | D05-BN1, 2000 ton capacity, dimensions 38' dia. ... | 02/10/2026 | 02/28/2027 |
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| C011339 | BIN VENT NO. 1 - FINE ORE STORAGE | D05-DC02, Manufacturer TBD, Model TBD Bags: n... | 02/10/2026 | 02/28/2027 |
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| T011338 | STORAGE BIN NO. 2 - FINE ORE | D05-BN2, 2000 ton capacity, dimensions 38' dia. ... | 02/10/2026 | 02/28/2027 |
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| C011340 | BIN VENT NO. 2 - FINE ORE STORAGE | D05-DC03, Manufacturer TBD, Model TBD Bags: n... | 02/10/2026 | 02/28/2027 |
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| B011341 | BALL MILL CIRCUIT | N/A | 02/10/2026 | 02/28/2027 |
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| B011342 | FLOATATION SYSTEM | N/A | 02/10/2026 | 02/28/2027 |
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| B011343 | CONCENTRATE HANDLING SYSTEM | N/A | 02/10/2026 | 02/28/2027 |
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| B011344 | LIGNOSULFONATE REAGENT SYSTEM | N/A | 02/10/2026 | 02/28/2027 |
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| C011365 | LIGNOSULFOATE DUST COLLECTION BLOWER | D10-BL07 Manufacturer TBD, Model TBD Flowrate... | 02/10/2026 | 02/28/2027 |
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| C011380 | BIN VENT BLOWER - LIGNOSULFONATE REAGENT SYSTEM | D10-BL06 Manufacturer TBD, Model TBD Flowrate... | 02/10/2026 | 02/28/2027 |
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| B011345 | SODA ASH SYSTEM | N/A | 02/10/2026 | 02/28/2027 |
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| T011346 | SILO - SODA ASH | D10-SI01, Dimensions 10' dia x 60', 35,250 gallo... | 02/10/2026 | 02/28/2027 |
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| C011347 | VENT FILTER - SODA ASH SILO | N/A | 02/10/2026 | 02/28/2027 |
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| B011348 | COAGULANT REAGENT SYSTEM | N/A | 04/02/2026 | 10/07/2011 |
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| B011349 | SAPONIFIED FATTY ACID REAGENT SYSTEM | N/A | 04/02/2026 | 10/07/2011 |
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| B011350 | FLOCCULANT REAGENT SYSTEM (MILLING & FLOTATION) | N/A | 02/10/2026 | 02/28/2027 |
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| C011379 | SCRUBBER - SODA ASH | D10-SCRB01, Manufacturer and model TBD, which se... | 02/10/2026 | 02/28/2027 |
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| B011353 | PASTE TAILINGS PLANT | N/A | 02/10/2026 | 02/28/2027 |
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| B011354 | FLOCCULANT REAGENT SYSTEM (PASTE TAILINGS) | N/A | 02/10/2026 | 02/28/2027 |
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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 | 02/10/2026 | 02/28/2027 |
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| C011361 | SCRUBBER - PASTE TAILING MIXER | B05-DC01 Wet Scrubber Manufacturer: Ducon, Mode... | 02/10/2026 | 02/28/2027 |
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