Facility Info

364
Mountain Pass Mine

67750 Bailey Road
Mountain Pass, CA 92366
Phone: 760-856-7664
Fax: N/A
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)





Zone 2 - Outer regions of I-15 Corridor, round trip 4 hours, intrazone 1 hour


Permit Number Permit Description Equipment Description Issue Date Expiration Date Action
B000819 CONCENTRATE DRYER NO. 1 (MDC-45-3501) For fee purposes, unit horsepower ratings have b... 03/12/2013 02/28/2014 Download Permit
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B000373 BASTNASITE CONCENTRATE DRYER NO. 2 N/A 02/04/1998 02/28/1999 Download Permit
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B003995 CALCINER (NEODYMIUM OXIDE PROCESS) 300 pounds per hour and 600 pounds per hour aver... 02/15/2011 02/29/2012 Download Permit
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B000372 RARE EARTH ROASTER/LEACH FEED CIRCUIT N/A 03/04/2024 02/28/2025 Download Permit
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B000375 CEMENT AND AGGREGATE LOADOUT SYSTEM N/A 03/12/2013 02/28/2014 Download Permit
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B000377 CERIUM CIRCUIT No. 2 PACKAGING SYSTEM AT CHEMICA... N/A 08/08/2017 02/28/2018 Download Permit
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B000379 CERIUM CIRCUIT No. 2 - DRYER SYSTEM N/A 08/08/2017 02/28/2018 Download Permit
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B000382 BOILER a Babcock and Wilcox type FM, Integral Furnace, ... 02/15/2011 02/29/2012 Download Permit
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B000383 ROTARY KILN DRYER No. 1 LANTHANUM N/A 02/15/2011 02/29/2012 Download Permit
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B000385 ROTARY KILN DRYER - No. 2 LANTHANUM N/A 03/04/2024 02/28/2025 Download Permit
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B000698 FURNACE #1: YTTRIUM/EUROPIUM CO-PRECIP N/A 03/04/2024 02/28/2025 Download Permit
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B000699 FURNACE #2: YTTRIUM OXIDE N/A 02/15/2011 02/29/2012 Download Permit
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B000821 PACKAGING SYSTEM - No. 1 CONCENTRATE (AT FLOATAT... N/A 03/01/2004 02/28/2005 Download Permit
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B000822 GRINDING MILL FEED No. 1 FP-09 Conditioners, 3 @ 1500 gal and 15 hp each... 12/30/1998 02/28/1999 Download Permit
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B000823 GRINDING MILL FEED No. 2 C-7 Transfer Belt conveyor, 30 in by 40 ft: ... 02/15/2011 02/29/2012 Download Permit
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B000825 No. 2 LANTHANUM - BULK LOADING SC-825 Screw Conveyor, 1 ft by 10 ft: 3 h... 03/04/2024 02/28/2025 Download Permit
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B000828 SKINNER ROASTER SYSTEM N/A 02/15/2011 02/29/2012 Download Permit
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B000840 BOILER - STEAM N/A 03/12/2013 02/28/2014 Download Permit
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B000841 DRYER SYSTEM - No.1 CERIUM CIRCUIT N/A 02/15/2011 02/29/2012 Download Permit
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B000826 No. 1 CERIUM CONCENTRATE BAGGING MACHINE F-8 Blower for both North and South Sacking Mac... 02/15/2011 02/29/2012 Download Permit
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B000842 SODA ASH SYSTEM - CHEMICAL PLANT SC-14 Screw Conveyor, 3 in in diameter and 6 ... 02/15/2011 02/29/2012 Download Permit
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B001099 BOILER - SPECIALTY a Cleaver-Brooks, Model CB 250, which is fired o... 03/12/2013 02/28/2014 Download Permit
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B000846 CRUSHING PLANT No. 3 N/A 02/15/2011 02/29/2012 Download Permit
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B001936 SX TANKS, LANTHANIDE PROCESS The following descriptions, definitions and cond... 03/04/2024 02/28/2025 Download Permit
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B001938 LEAD PRECIPITATION SYSTEM - LANTHANUM N/A 03/04/2024 02/28/2025 Download Permit
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