Mojave Desert Air Quality Management District Permit Search Site

Facility Info

Facility ID 364

Facility Name Mountain Pass Mine

Physical Address 67750 Bailey Road
Mountain Pass,CA92366

Contact Info Phone:760-856-7664
Fax:N/A

Company 2349 -MP Mine Operations LLC

Facility Note 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)

Address Region N/A
Latitude 35.47599
Longitude -115.52827

Near a School (within 1000ft) No
Number of Employees 320
Size (in acres) 0

Number of Hours in a Day this Facility is in Operation 24
Number of Days in a Week this Facility is in Operation 5
Number of Weeks in a Year this Facility is in Operation 48

Principal Product N/A
NAICS 212390
SIC Code 1099
UTM 634E/3926N
Level 2 Inspection No
Expiration Month 02

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

Auto Schedule Yes
Paper Work Time 36
Inspection Time 36
Inspection Status O
Active Active

AB2588 Industry Wide Facility No
Facility is in the FONA No
NSR Major For NOx, PM10
Title V Facility No
Title V Major For N/A
Title V Synthetic Minor No
Creation Date 12/31/1969
Last Modified 08/23/2024

Facility Permits - Showing201 to225 of319 Permits

Download Selected Permits

Permit Number	Permit Description	Equipment Description	Issue Date	Expiration Date	Action
C011368	SELECTIVE CATALYTIC REDUCTION SYSTEM - MILL INTE...	Selective catalytic reduction system, manufactur...	03/12/2013	02/28/2014	Download Permit Print Permit
B011463	COOLING TOWER - COMPRESSED AIR PLANT	One two-cell cooling tower, manufacturer and mod...	02/25/2020	02/28/2021	Download Permit Print Permit
B011513	CERIUM REMOVAL TRAIN #1	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
B011514	CERIUM REMOVAL TRAIN #2	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
B011461	COOLING TOWER - MILL PLATEAU	One one-cell cooling tower, manufacturer and mod...	02/25/2020	02/28/2021	Download Permit Print Permit
B011462	COOLING TOWER - PASTE PLATEAU	One two-cell cooling tower, manufacturer and mod...	02/25/2020	02/28/2021	Download Permit Print Permit
E011485	DIESEL IC ENGINE, EMERGENCY FIRE PUMP #1	A certified Tier 3 Diesel engine, EPA Family CJD...	02/05/2025	02/28/2026	Download Permit Print Permit
B011431	LNG WARMER (2) NATURAL GAS-FIRED PROCESS HEATERS...	Two - 8.8 MMBtu/hr natural gas fired burners. M...	02/05/2025	02/28/2026	Download Permit Print Permit
B011391	TEMPORARY PORTABLE LNG WARMER NATURAL GAS-FIRED ...	Two - 11 MMBtu/hr natural gas fired burners. Ma...	03/12/2013	02/28/2014	Download Permit Print Permit
E011484	DIESEL IC ENGINE, EMERGENCY FIRE PUMP #2	A certified Tier 3 Diesel engine, EPA Family CJD...	02/05/2025	02/28/2026	Download Permit Print Permit
T011561	TEMPORARY SODA ASH SYSTEM	N/A	03/12/2013	02/28/2014	Download Permit Print Permit
C011515	SCRUBBER, CERIUM REMOVAL CIRCUIT	Equipment ID F10-SSE900 , Manufacturer and model...	02/05/2025	02/28/2026	Download Permit Print Permit
C011560	WET CYCLONE - TEMPORARY SODA ASH SYSTEM	N/A	03/12/2013	02/28/2014	Download Permit Print Permit
T011533	STORAGE TANK - AQUEOUS AMMONIA CHP PLANT	7,900 gallon stainless steel tank storing 19% aq...	02/05/2025	02/28/2026	Download Permit Print Permit
T011532	STORAGE TANK - AQUEOUS AMMONIA CHP PLANT	7,900 gallon stainless steel tank storing 19% aq...	02/05/2025	02/28/2026	Download Permit Print Permit
B011542	IRON URANIUM SEPARATIONS PROCESS	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
B011551	DIDYMIUM SEPARATION (SXD) CIRCUIT	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
C011552	ADSORBER #1 - HCL, SXD CIRCUIT	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
C011553	ADSORBER #2 - HCL, SXD CIRCUIT	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
C011554	ADSORBER #1 - SX-12, SXD CIRCUIT	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
C011555	ADSORBER #2 - SX-12, SXD CIRCUIT	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
B011581	WATER TREATMENT PLANT	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
T011582	WATER TREATMENT PLANT ACID DAY TANK	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
B011575	DISSOLUTION EQUIPMENT	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
C011576	DISSOLUTION SCRUBBER	N/A	02/05/2025	02/28/2026	Download Permit Print Permit