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 | |
|---|---|---|---|---|---|---|
| B004035 | LEAD CINDER/FLY ASH STABILIZATION PROCESS | N/A | 04/01/1999 | 02/29/2000 |
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| B004088 | CERIUM 90 LEACH CIRCUIT | Feed Slurry Tank, with agitator @ 0.3 hp 3 Leac... | 04/09/2001 | 02/28/2002 |
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| B004090 | No. 2 SODA ASH FEED PROCESS | Soda Ash Storage Bin, 10,000 gal Total hp = 10.... | 02/15/2011 | 02/29/2012 |
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| B004093 | WASTEWATER TREATMENT SYSTEM | N/A | 04/09/2001 | 02/28/2002 |
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| B004100 | LEACH RESIDUE (CERIUM-96 PLANT) CIRCUIT | N/A | 02/10/2026 | 02/28/2027 |
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| B004325 | AQUA AMMONIA (15%) SYSTEM | a Storage Tank for 15% Aqua Ammonia, 30 ft diame... | 04/09/2001 | 02/28/2002 |
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| B004333 | YTTRIUM PRECIPITATION - SPECIALTY PLANT | N/A | 02/15/2011 | 02/29/2012 |
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| B004489 | STABILIZED LEAD/IRON REINTRODUCTION PROCESS | N/A | 02/15/2011 | 02/29/2012 |
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| B004664 | RIBBON BLENDER DRYER | a skid mounted unit, 4 ft diameter by 15 ft long... | 02/10/2026 | 02/28/2027 |
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| B004923 | SPECIALTY PLANT No. 1 NEODYMIUM DRYER | N/A | 02/10/2026 | 02/28/2027 |
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| B004924 | SPECIALTY PLANT No. 2 NEODYMIUM DRYER | N/A | 02/10/2026 | 02/28/2027 |
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| B004933 | LEACH CIRCUIT - FLOATATION PLANT | N/A | 02/15/2011 | 02/29/2012 |
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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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| B008263 | FLOTATION REAGENT HANDLING SYSTEM | Granular Ultrazine reagent unloading, handling a... | 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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| 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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| B011111 | COMBUSTION TURBINE GENERATOR #1 | 14.5 MW Solar Model Titan 130, 156 MMBtu/hr natu... | 03/04/2026 | 02/28/2027 |
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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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| B011184 | COMBUSTION TURBINE GENERATOR #2 | 14.5 MW Solar Model Titan 130, 156 MMBtu/hr natu... | 03/04/2026 | 02/28/2027 |
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| B011177 | COOLING TOWER #2 | One-two cell cooling tower, manufacturer and mod... | 02/25/2020 | 02/28/2021 |
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| B011185 | COMBUSTION TURBINE GENERATOR #3 | 12.3 MW Solar Model Titan 130, 143 MMBtu/hr natu... | 08/08/2017 | 02/28/2018 |
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| B011186 | COMBUSTION TURBINE GENERATOR #4 | 12.3 MW Solar Model Titan 130, 143 MMBtu/hr natu... | 01/17/2013 | 02/28/2014 |
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| B011248 | CRACK PHASE 1A PROCESS EQUIPMENT | N/A | 02/10/2026 | 02/28/2027 |
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