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, CA 92366

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 212299
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 12/13/2017

Facility Permits - Showing 51 to 75 of 318 Permits

Download Selected Permits

Permit Number	Permit Description	Equipment Description	Issue Date	Expiration Date	Action
T001942	BASTNASITE LEACH TANK SYSTEM	N/A	04/01/1999	02/29/2000	Download Permit Print Permit
T001943	SOLVENT STORAGE - SPECIALTY PLANT	a steel tank, TS-75, which is used for kerosene....	03/04/2024	02/28/2025	Download Permit Print Permit
T001948	KEROSENE STORAGE - SEPARATIONS PLANT STORAGE	a mild steel tank, whose capacity is 13,700 gall...	03/04/2024	02/28/2025	Download Permit Print Permit
C000324	SCRUBBER - HCL	Custom made, 24 in. diameter by 120 in. high, pa...	03/04/2024	02/28/2025	Download Permit Print Permit
T000835	STORAGE TANK, HCL FOR MILL (46-3308)	a 20,000 gallon capacity tank.	08/08/2017	02/28/2018	Download Permit Print Permit
C000325	SCRUBBER - HCL	a Custom made, 12 in diameter by 72 in high and ...	08/08/2017	02/28/2018	Download Permit Print Permit
C004615	BIN VENT - CEMENT SILO	a mikro-Pulsaire, model 165-10-30B with the foll...	02/15/2011	02/29/2012	Download Permit Print Permit
B003259	DRYER - CHEMICAL PLANT RIBBON BLENDER	a electrical dryer, which is 4 ft in diameter by...	02/13/2012	02/28/2013	Download Permit Print Permit
B003265	FLAKE LANTHANUM PROCESS	N/A	02/13/2012	02/28/2013	Download Permit Print Permit
C003266	SCRUBBER - LANTHANUM FLAKE PROCESS	a Duall, model F303 rated at 2000 CFM, which is ...	02/13/2012	02/28/2013	Download Permit Print Permit
B004027	FURNACE #3: YTTRIUM/EUROPIUM CO-PRECIP	a Mine and Smelter Company unit with Nichrome he...	02/15/2011	02/29/2012	Download Permit Print Permit
B004921	CERIUM REDOX CIRCUIT	Oxidation with sodium hypochlorite solution, pH...	03/04/2024	02/28/2025	Download Permit Print Permit
T004939	HOPPER	a 125 cu ft hopper used to repackage Bastnasite ...	02/15/2011	02/29/2012	Download Permit Print Permit
C004343	BAGHOUSE (No. 1 CONCENTRATE DRYER PACKAGING)	a Fabric Filter Air Systems Model 49-10 baghouse...	03/12/2013	02/28/2014	Download Permit Print Permit
T003117	TANK - WASTE OIL	Supervault 2000 gal, double wall	03/04/2024	02/28/2025	Download Permit Print Permit
N004629	GASOLINE DISPENSING FACILITY (NON-RETAIL)	N/A	03/04/2024	02/28/2025	Download Permit Print Permit
B004371	PURIFICATION PROCESS - EUROPIUM	N/A	03/04/2024	02/28/2025	Download Permit Print Permit
C004710	BIN VENT - PURIFICATION PROCESS	a Mikropuhl_Pulsaire, model 815-10-20TR"C" with ...	03/04/2024	02/28/2025	Download Permit Print Permit
C004711	CAUSTIC SCRUBBER- PURIFICATION PROCESS	one by Duall, Division of Met Pro Corporation, m...	03/04/2024	02/28/2025	Download Permit Print Permit
B004028	PACKAGING - YTTRIUM PROCESS	80 cu ft Blender, 30 hp No. 2 Product Screw, 3 ...	02/15/2011	02/29/2012	Download Permit Print Permit
B004030	PACKAGING - YTTRIUM, CO-PRECIPITATION	80 cu ft Blender @ 20 hp No. 2 Product Screw @ ...	02/15/2011	02/29/2012	Download Permit Print Permit
B004087	NEO CARB/NEO CARB FLUORIDE CIRCUIT	N/A	02/13/2012	02/28/2013	Download Permit Print Permit
B004033	CERIUM SLURRY MAKE-UP PROCESS	Cerium Slurry Make-up Hopper Cerium Slurry Make...	02/15/2011	02/29/2012	Download Permit Print Permit
B004035	LEAD CINDER/FLY ASH STABILIZATION PROCESS	N/A	04/01/1999	02/29/2000	Download Permit Print Permit
C004034	BAGHOUSE - CERIUM SLURRY MAKE-UP	a unit whose Air to Cloth ratio is 4.72 : 1: Fi...	02/15/2011	02/29/2012	Download Permit Print Permit