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 - Showing251 to275 of319 Permits

Download Selected Permits

Permit Number	Permit Description	Equipment Description	Issue Date	Expiration Date	Action
B011910	CHLOR ALKALI PROCESS, HCL REACTION UNIT #2	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
T011911	CHLOR ALKALI PROCESS, HCL TRANSFER TANK #1	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
T011912	CHLOR ALKALI PROCESS, HCL TRANSFER TANK #2	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
C011917	CHLOR ALKALI PROCESS, VENT SCRUBBER #2	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
B011915	CHLOR ALKALI PROCESS, FIRST STAGE BLEACH TOWER	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
C011914	CHLOR ALKALI PROCESS, SECOND STAGE BLEACH TOWER	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
C011920	CHLOR-ALKALI PROCESS, TAIL GAS TOWER #1	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
C011919	CHLOR-ALKALI PROCESS, TAIL GAS TOWER #2	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
C011948	LANTHANUM CARBONATE CALCINER BAGHOUSE	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
B011949	LANTHANUM CARBONATE PRODUCTION	Permit fees calculated in accordance with Rule 3...	02/05/2025	02/28/2026	Download Permit Print Permit
T011966	TOTAL ORGANIC CARBON REMOVAL SYSTEM	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
C011965	DUST COLLECTOR, TOTAL ORGANIC CARBON REMOVAL SYS...	Manufacturer: Air Max, Model 225S with the foll...	02/05/2025	02/28/2026	Download Permit Print Permit
B011968	SALT DISSOLVER SYSTEM	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
B012062	DIESEL IC ENGINE, PORTABLE	Tier IVi, Engine Family CJDXL04.5211	02/24/2015	02/28/2016	Download Permit Print Permit
B012087	HARD LEACH PROCESS	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
C012086	HARD LEACH VENTURI SCRUBBER	Venturi Scrubber and associated equipment.	02/05/2025	02/28/2026	Download Permit Print Permit
B012088	HARD LEACH, MATERIAL HANDLING	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
T012157	STORAGE TANK, SODA ASH SYSTEM TANK #2	10,000 gallon capacity storage tank with pneumat...	02/05/2025	02/28/2026	Download Permit Print Permit
C012158	BIN VENT - SODA ASH SYSTEM STORAGE TANK #2	Mikro-Pulsaire, model 20S-10-30 B style with the...	02/05/2025	02/28/2026	Download Permit Print Permit
B012173	LIGHT RARE EARTH CARBONATE PROCESS (LREC)	N/A	02/05/2025	02/28/2026	Download Permit Print Permit
C012326	DUST COLLECTOR	WAM dust collector, Model SiloTop 250; Serial TB...	08/08/2017	02/28/2018	Download Permit Print Permit
B013406	BOILER, TEMPORARY MILL	Cleaver-Brooks Model CBLE700-600-250ST fire tube...	02/02/2022	02/28/2023	Download Permit Print Permit
DCP000017	DUST CONTROL PLAN (RULE 403(C)(8) MINING, STONE,...	a 2222 acre rare earth mine at Mountain Pass. F...	02/05/2025	02/28/2026	Download Permit Print Permit
C014185	DUST COLLECTOR - PACKAGER	Manufacturer: Nordic Air Filtration Model: CD 3...	02/05/2025	02/28/2026	Download Permit Print Permit
B014167	CONCENTRATE DRYER	N/A	02/05/2025	02/28/2026	Download Permit Print Permit