B000819 CONCENTRATE DRYER NO. 1 (MDC-45-3501)
For fee purposes, unit horsepower ratings have b...
03/12/2013
02/28/2014
B000373 BASTNASITE CONCENTRATE DRYER NO. 2
N/A
02/04/1998
02/28/1999
B003995 CALCINER (NEODYMIUM OXIDE PROCESS)
300 pounds per hour and 600 pounds per hour aver...
02/15/2011
02/29/2012
B000372 RARE EARTH ROASTER/LEACH FEED CIRCUIT
N/A
02/05/2025
02/28/2026
B000375 CEMENT AND AGGREGATE LOADOUT SYSTEM
N/A
03/12/2013
02/28/2014
B000377 CERIUM CIRCUIT No. 2 PACKAGING SYSTEM AT CHEMICA...
N/A
08/08/2017
02/28/2018
B000379 CERIUM CIRCUIT No. 2 - DRYER SYSTEM
N/A
08/08/2017
02/28/2018
B000382 BOILER
a Babcock and Wilcox type FM, Integral Furnace, ...
02/15/2011
02/29/2012
B000383 ROTARY KILN DRYER No. 1 LANTHANUM
N/A
02/15/2011
02/29/2012
B000385 ROTARY KILN DRYER - No. 2 LANTHANUM
N/A
02/05/2025
02/28/2026
B000698 FURNACE #1: YTTRIUM/EUROPIUM CO-PRECIP
N/A
02/05/2025
02/28/2026
B000699 FURNACE #2: YTTRIUM OXIDE
N/A
02/15/2011
02/29/2012
B000821 PACKAGING SYSTEM - No. 1 CONCENTRATE (AT FLOATAT...
N/A
03/01/2004
02/28/2005
B000822 GRINDING MILL FEED No. 1
FP-09 Conditioners, 3 @ 1500 gal and 15 hp each...
12/30/1998
02/28/1999
B000823 GRINDING MILL FEED No. 2
C-7 Transfer Belt conveyor, 30 in by 40 ft: ...
02/15/2011
02/29/2012
B000825 No. 2 LANTHANUM - BULK LOADING
SC-825 Screw Conveyor, 1 ft by 10 ft: 3 h...
02/05/2025
02/28/2026
B000828 SKINNER ROASTER SYSTEM
N/A
02/15/2011
02/29/2012
B000840 BOILER - STEAM
N/A
03/12/2013
02/28/2014
B000841 DRYER SYSTEM - No.1 CERIUM CIRCUIT
N/A
02/15/2011
02/29/2012
B000826 No. 1 CERIUM CONCENTRATE BAGGING MACHINE
F-8 Blower for both North and South Sacking Mac...
02/15/2011
02/29/2012
B000842 SODA ASH SYSTEM - CHEMICAL PLANT
SC-14 Screw Conveyor, 3 in in diameter and 6 ...
02/15/2011
02/29/2012
B001099 BOILER - SPECIALTY
a Cleaver-Brooks, Model CB 250, which is fired o...
03/12/2013
02/28/2014
B000846 CRUSHING PLANT No. 3
N/A
02/15/2011
02/29/2012
B001936 SX TANKS, LANTHANIDE PROCESS
The following descriptions, definitions and cond...
02/05/2025
02/28/2026
B001938 LEAD PRECIPITATION SYSTEM - LANTHANUM
N/A
02/05/2025
02/28/2026
B001941 LEACH/CCD CIRCUIT - LANTHANIDES PROCESS
N/A
02/05/2025
02/28/2026
C001940 SCRUBBER, BACK FUME WET SCRUBBER
a TFI International chlorine fume scrubber servi...
02/05/2025
02/28/2026
B001947 LANTHANUM PRECIPITATION PROCESS
N/A
02/05/2025
02/28/2026
B002167 PRODUCT DRYER - CERIUM CARBONATE
N/A
02/15/2011
02/29/2012
C002078 BAGHOUSE - CERIUM DRYER
a Mikropul model 20S-10-30 with the following sp...
02/15/2011
02/29/2012
B002168 PACKAGING - CERIUM CARBONATE
a 4 hp Product Packaging Machine;
dry product s...
02/15/2011
02/29/2012
C002174 BIN VENT - CERIUM CARBONATE PACKAGER
a Bin Vent exhausting by a 5 hp ID fan (4ID-740)...
02/15/2011
02/29/2012
B002169 LEACH CIRCUIT - CERIUM CARBONATE
N/A
02/05/2025
02/28/2026
C002077 SCRUBBER, CE 96 DISSOLUTION
a Mesa Fiberglass water scrubber, 36" diameter b...
02/05/2025
02/28/2026
C003998 BIN VENT - BORAX STORAGE BIN
a baghouse unit with 20 bags, whose total filter...
02/05/2025
02/28/2026
C003999 BIN VENT - NO. 4 CONCENTRATE
a baghouse unit with 20 bags, whose total filter...
03/01/2004
02/28/2005
B002170 CERIUM 96 PLANT - LEAD/IRON REMOVAL CIRCUIT
N/A
02/05/2025
02/28/2026
C004000 SCRUBBER, AMMONIA
Duall, model F303 ammonia scrubber, 48" diameter...
03/12/2013
02/28/2014
B002171 NEUTRALIZATION SCRUBBER SOLUTION CIRCUIT
N/A
02/05/2025
02/28/2026
B002173 CERIUM CARBONATE CIRCUIT
N/A
02/05/2025
02/28/2026
C004295 BAGHOUSE - SODA ASH STORAGE BIN (PRODUCT PRECIPI...
a Pulsaire, model 16S 10 30B, which serves the S...
02/05/2025
02/28/2026
B002371 SOLVENT EXTRACTION,- CIRCUIT No. 4
N/A
02/13/2012
02/28/2013
B002372 SPECIALTY PLANT FEED PREPARATION CIRCUIT
N/A
02/05/2025
02/28/2026
C004255 CAUSTIC SCRUBBER
a Duall, model FW303, which is fed from Ce-96 Sc...
02/05/2025
02/28/2026
B002373 SOLVENT EXTRACTION CIRCUIT - SX 3/6
N/A
02/05/2025
02/28/2026
B002374 SOLVENT EXTRACTION - CERIUM SPECIALTY PLANT (SX-...
N/A
02/13/2012
02/28/2013
B002827 SODA ASH TREATMENT SYSTEM
N/A
02/15/2011
02/29/2012
B002828 ROUGHER FLOATATION SYSTEM
N/A
02/15/2011
02/29/2012
B002831 PACKAGING SYSTEM FOR CERIUM CIRCUIT NO. 2
N/A
08/08/2017
02/28/2018
B002832 PACKAGING MACHINE FOR No. 1 LANTHANUM DRYER SYST...
N/A
02/15/2011
02/29/2012
T001942 BASTNASITE LEACH TANK SYSTEM
N/A
04/01/1999
02/29/2000
T001943 SOLVENT STORAGE - SPECIALTY PLANT
a steel tank, TS-75, which is used for kerosene....
02/05/2025
02/28/2026
T001948 KEROSENE STORAGE - SEPARATIONS PLANT STORAGE
a mild steel tank, whose capacity is 13,700 gall...
02/05/2025
02/28/2026
C000324 SCRUBBER - HCL
Custom made, 24 in. diameter by 120 in. high, pa...
02/05/2025
02/28/2026
T000835 STORAGE TANK, HCL FOR MILL (46-3308)
a 20,000 gallon capacity tank.
08/08/2017
02/28/2018
C000325 SCRUBBER - HCL
a Custom made, 12 in diameter by 72 in high and ...
08/08/2017
02/28/2018
C004615 BIN VENT - CEMENT SILO
a mikro-Pulsaire, model 165-10-30B with the foll...
02/15/2011
02/29/2012
B003259 DRYER - CHEMICAL PLANT RIBBON BLENDER
a electrical dryer, which is 4 ft in diameter by...
02/13/2012
02/28/2013
B003265 FLAKE LANTHANUM PROCESS
N/A
02/13/2012
02/28/2013
C003266 SCRUBBER - LANTHANUM FLAKE PROCESS
a Duall, model F303 rated at 2000 CFM, which is ...
02/13/2012
02/28/2013
B004027 FURNACE #3: YTTRIUM/EUROPIUM CO-PRECIP
a Mine and Smelter Company unit with Nichrome he...
02/15/2011
02/29/2012
B004921 CERIUM REDOX CIRCUIT
Oxidation with sodium hypochlorite solution, pH...
02/05/2025
02/28/2026
T004939 HOPPER
a 125 cu ft hopper used to repackage Bastnasite ...
02/15/2011
02/29/2012
C004343 BAGHOUSE (No. 1 CONCENTRATE DRYER PACKAGING)
a Fabric Filter Air Systems Model 49-10 baghouse...
03/12/2013
02/28/2014
T003117 TANK - WASTE OIL
Supervault 2000 gal, double wall
02/05/2025
02/28/2026
N004629 GASOLINE DISPENSING FACILITY (NON-RETAIL)
N/A
02/05/2025
02/28/2026
B004371 PURIFICATION PROCESS - EUROPIUM
N/A
02/05/2025
02/28/2026
C004710 BIN VENT - PURIFICATION PROCESS
a Mikropuhl_Pulsaire, model 815-10-20TR"C" with ...
02/05/2025
02/28/2026
C004711 CAUSTIC SCRUBBER- PURIFICATION PROCESS
one by Duall, Division of Met Pro Corporation, m...
02/05/2025
02/28/2026
B004028 PACKAGING - YTTRIUM PROCESS
80 cu ft Blender, 30 hp
No. 2 Product Screw, 3 ...
02/15/2011
02/29/2012
B004030 PACKAGING - YTTRIUM, CO-PRECIPITATION
80 cu ft Blender @ 20 hp
No. 2 Product Screw @ ...
02/15/2011
02/29/2012
B004087 NEO CARB/NEO CARB FLUORIDE CIRCUIT
N/A
02/13/2012
02/28/2013
B004033 CERIUM SLURRY MAKE-UP PROCESS
Cerium Slurry Make-up Hopper
Cerium Slurry Make...
02/15/2011
02/29/2012
B004035 LEAD CINDER/FLY ASH STABILIZATION PROCESS
N/A
04/01/1999
02/29/2000
C004034 BAGHOUSE - CERIUM SLURRY MAKE-UP
a unit whose Air to Cloth ratio is 4.72 : 1:
Fi...
02/15/2011
02/29/2012
C004036 BAGHOUSE - Pb CINDER/FLY ASH STABILIZATION
a MikroPulsaire, model 205-10-30, which serves t...
04/01/1999
02/29/2000
B004088 CERIUM 90 LEACH CIRCUIT
Feed Slurry Tank, with agitator @ 0.3 hp
3 Leac...
04/09/2001
02/28/2002
B004090 No. 2 SODA ASH FEED PROCESS
Soda Ash Storage Bin, 10,000 gal
Total hp = 10....
02/15/2011
02/29/2012
B004093 WASTEWATER TREATMENT SYSTEM
N/A
04/09/2001
02/28/2002
B004100 LEACH RESIDUE (CERIUM-96 PLANT) CIRCUIT
N/A
02/05/2025
02/28/2026
C004930 SCRUBBER, RESIDUE FILTER (WATER)
a Paramount Fabricators caustic scrubber, 36" di...
02/05/2025
02/28/2026
B004325 AQUA AMMONIA (15%) SYSTEM
a Storage Tank for 15% Aqua Ammonia, 30 ft diame...
04/09/2001
02/28/2002
C004326 SCRUBBER - AQUA AMMONIA
a unit with 6 in diameter by 30 ft high and 1 ft...
04/09/2001
02/28/2002
B004333 YTTRIUM PRECIPITATION - SPECIALTY PLANT
N/A
02/15/2011
02/29/2012
B004489 STABILIZED LEAD/IRON REINTRODUCTION PROCESS
N/A
02/15/2011
02/29/2012
C004490 BAGHOUSE - STABILIZED Pb/Fe REINTRODUCTION PROCE...
a cartridge type unit by Fabric Filters Northwes...
02/15/2011
02/29/2012
B004664 RIBBON BLENDER DRYER
a skid mounted unit, 4 ft diameter by 15 ft long...
02/05/2025
02/28/2026
B004923 SPECIALTY PLANT No. 1 NEODYMIUM DRYER
N/A
02/05/2025
02/28/2026
B004924 SPECIALTY PLANT No. 2 NEODYMIUM DRYER
N/A
02/05/2025
02/28/2026
B004933 LEACH CIRCUIT - FLOATATION PLANT
N/A
02/15/2011
02/29/2012
C005098 SCRUBBER No. 1- LEACH CIRCUIT (FLOATATION PLANT)...
a unit manufactured by DEI Systems, Inc., model ...
02/15/2011
02/29/2012
T000374 CEMENT SILO
a unit 10 ft in diameter by 20 ft high. This un...
02/15/2011
02/29/2012
T000824 No. 2 CRUSHED ORE STORAGE BIN
a Belt Conveyor, with 50 hp drive motor;
Ore St...
02/15/2011
02/29/2012
T000834 STORAGE TANKS - HYDROCHLORIC ACID
TSR-76, which is No. 1 HCl storage tank; and
TS...
02/05/2025
02/28/2026
T002826 STORAGE TANK - SODA ASH
Storage Tank, 152,100 lb of Soda Ash, which is e...
02/15/2011
02/29/2012
T002830 STORAGE TANK- FEED TO ROD MILL No 1
FP-1 Ore Bin, which is 26 ft in diameter and 32...
02/15/2011
02/29/2012
T004092 TANK FARM - FEED STORAGE
4 Storage Tanks, each at 20,000 gal; and
2 Fee...
02/05/2025
02/28/2026
T004095 CONCENTRATE STORAGE BIN
a bin known as No. 1 EAST, 204, which is located...
03/12/2013
02/28/2014
T004096 CONCENTRATE STORAGE BIN
a unit known as No. 2 WEST, 204 and has the dime...
03/12/2013
02/28/2014
T004548 PORTABLE SILO
a 1200 cu ft vertical, dry material unit by Belg...
08/08/2017
02/28/2018
C000376 BAGHOUSE (No. 1 CONCENTRATE DRYER FEED)
a Mikro-Pul Model 49-S-10 baghouse, equipped wit...
03/12/2013
02/28/2014
C000378 BAGHOUSE - No. 2 CERIUM CIRCUIT DRYER SYSTEM
a Miro-Pul, model 49-S-10, with the following sp...
08/08/2017
02/28/2018
C001789 BAGHOUSE - No.2 LANTHANUM HYDRATE PACKAGING SYST...
a Miro-Pul, model 49-S, with the following speci...
02/05/2025
02/28/2026
C000838 BAGHOUSE - No. 2 LANTHANUM ROTARY KILN DRYER
a Mikro-Pulsaire, model 168 TR, with the followi...
02/05/2025
02/28/2026
C000384 BAGHOUSE - No. 1 LANTHANUM ROTARY KILN DRYER
a Mikro-Pulsaire, model 144 TR, with the followi...
02/15/2011
02/29/2012
C002375 BAGHOUSE (No. 1 CONCENTRATE DRYER)
a Mikro-Pulsaire Model 168-5-10-TR baghouse, equ...
03/12/2013
02/28/2014
C002594 BAGHOUSE - No. 1 LANTHANUM PACKAGING SYSTEM
a Mikro-Pulsaire, model 49S, with the following ...
02/15/2011
02/29/2012
C002697 BAGHOUSE - PRIMARY CRUSHER
a Mikro-Pulsaire, model 200-DC-1, with the follo...
02/15/2011
02/29/2012
C002698 BAGHOUSE (SCREENING TOWER #3 CRUSHING PLANT)
a Mikro-Pulsaire, Model 200-DC-2, with the follo...
02/15/2011
02/29/2012
C003203 BIN VENT - SODA ASH STORAGE TANK
a Mikro-Pulsaire, model 20S-10-30 "B" style with...
02/15/2011
02/29/2012
C003205 BIN VENT - CHEMICAL PLANT SODA ASH SYSTEM
a Mikro-Pulsaire, model 20S-10-30 "B" style wiit...
02/15/2011
02/29/2012
C004098 BIN VENT - NO. 2 204 CONCENTRATE STORAGE BIN
a Mikro-Pulsaire, model 20S-10-30 "B" style with...
03/12/2013
02/28/2014
C004097 BIN VENT - NO. 1 204 CONCENTRATE STORGE BIN
a Mikro-Pulsaire, style with the following speci...
03/12/2013
02/28/2014
C004094 BIN VENT - LIME BIN (HERRESHOFF ROASTER)
a Mikro-Pulsaire, style with the following speci...
02/05/2025
02/28/2026
C004089 BIN VENT - NO. 2 SODA ASH FEED PROCESS
a Mikro-Pulsaire, style wiith the following spec...
02/15/2011
02/29/2012
C004939 BAGHOUSE - No.2 CONCENTRATE DRYER
a unit by Fabric Filters Air Systems, model numb...
12/30/1998
02/28/1999
C004926 BAGHOUSE - No.2 NEODYMIUM DRYER
a unit by Fabric Filters Air Systems, model numb...
02/05/2025
02/28/2026
C004925 BAGHOUSE - No.1 NEODYMIUM DRYER (64-3501)
a unit by Fabric Filters Air Systems, model numb...
02/05/2025
02/28/2026
C004416 BAGHOUSE - No. 2 CERIUM PACKAGING SYSTEM
a unit by Fabric Filters Air Systems, model numb...
08/08/2017
02/28/2018
C004032 BAGHOUSE - RARE EARTH ROASTER/LEACH FEED CIRCUIT...
a Pulse Jet type unit by Fabric Filters Air Syst...
02/05/2025
02/28/2026
C003593 BAGHOUSE - SKINNER ROASTER SYSTEM
a unit by Fabric Filters Air Systems, model numb...
02/15/2011
02/29/2012
C003592 BAGHOUSE - No 1. CERIUM CIRCUIT DRYER
a unit by Fabric Filters Air Systems, model numb...
02/15/2011
02/29/2012
C002595 BAGHOUSE - HERRESHOFF ROASTER
a unit by Fabric Filters Air Systems, model Modu...
02/05/2025
02/28/2026
C000827 BAGHOUSE - CERIUM CONCENTRATE SACKING MACHINE
a unit by Fabric Filters Air Systems, model numb...
02/15/2011
02/29/2012
C000380 BAGHOUSE - No. 2 CERIUM CIRCUIT PACKAGING SYSTEM...
a unit by Fabric Filters Air Systems, model numb...
08/08/2017
02/28/2018
C000702 BAGHOUSE - YTTRIUM OXIDE PRODUCTS
a unit by Bact Engineering with the following sp...
02/15/2011
02/29/2012
C004029 BAGHOUSE - YTTRIUM PACKAGING PROCESS
a unit by C.P. Environmental Filters Iinc. with ...
02/15/2011
02/29/2012
C004031 BAGHOUSE - YTTRIUM CO-PRECIPITATION PACKAGING PR...
a unit by Torit Manufacturing with the following...
02/15/2011
02/29/2012
C004415 BIN VENT - No. 2 CERIUM PACKAGING SYSTEM (SOUTH ...
a unit by Hosokawa Mikropul Environmental System...
08/08/2017
02/28/2018
C004666 SCRUBBER, CAUSTIC (H2S WET SCRUBBER)
a unit by Duall Division of Met Pro Corporation,...
02/05/2025
02/28/2026
C004941 BIN VENT - PORTABLE SILO (CHEMICAL PLANT)
a unit by Belgrade Steel Tank Company, model num...
08/08/2017
02/28/2018
C003996 BAGHOUSE - NEODYMIUM OXIDE CALCINER (64-3502)
a unit by Luzan and Company with the following s...
02/15/2011
02/29/2012
C004922 SCRUBBER, CERIUM REDOX
54-3501 LF Manufacturing caustic scrubber for s...
02/05/2025
02/28/2026
C001934 VAPOR RECOVERY SYSTEM - SX TANK No. 2 (CHEMICAL ...
VS-2 ID Exhaust Fan @ 3340 ACFM, by a 7.5 h...
02/05/2025
02/28/2026
C001935 VAPOR RECOVERY SYSTEM
VS-1 ID Exhaust Fan @ 7570 ACFM, by a 15 hp...
02/05/2025
02/28/2026
B007791 PORTABLE IMPACT CRUSHER
a Crush Boss (TM) 6356 Horizontal Shaft Impactor...
04/14/2000
02/28/2001
C000700 BAGHOUSE
Manufactured by Hoffman Products, operating at 3...
02/05/2025
02/28/2026
B008263 FLOTATION REAGENT HANDLING SYSTEM
Granular Ultrazine reagent unloading, handling a...
02/15/2011
02/29/2012
C008264 BAGHOUSE (FLOTATION REAGENT HANDLING)
An integral twin cartridge filter air pollution ...
02/15/2011
02/29/2012
B008294 Temporary Rare Earth Packaging System
a Gap-Vax HV-57 truck and trailer mounted cyclon...
03/13/2002
02/28/2003
C008295 Temporary Rare Earth Packaging System Particulat...
an integral particulate collection unit. This u...
03/13/2002
02/28/2003
B008344 ALTERNATE TEMPORARY RARE EARTH PACKAGING SYSTEM
Stationary Screen (3" x 3"), and packaging hoppe...
03/19/2002
02/28/2003
B008348 TEMPORARY LANTHANUM PACKAGING SYSTEM
CEC Series II truck mounted screening plant (fee...
04/04/2002
02/28/2003
B008794 TEMPORARY PACKAGING SYSTEM
Stationary grizzly screen and hopper (serving sl...
02/13/2012
02/28/2013
E007792 DIESEL IC ENGINE, EMERGENCY GENERATOR
Year of Manufacture: Unknown
02/05/2025
02/28/2026
E010118 DIESEL IC ENGINE, EMERGENCY GENERATOR (GND-2)
Yr of Mfg1987, Tier 0
03/12/2013
02/28/2014
B011111 COMBUSTION TURBINE GENERATOR #1
12.3 MW Solar Model Titan 130, 143 MMBtu/hr natu...
02/05/2025
02/28/2026
C011113 OXIDATION CATALYST #1
Manufacturer: BASF and model #1, control system...
02/05/2025
02/28/2026
C011114 SELECTIVE CATALYTIC REDUCTION SYSTEM #1
selective catalytic reduction system, manufactur...
02/05/2025
02/28/2026
B011112 COOLING TOWER #1
One-two cell cooling tower, manufacturer and mod...
02/25/2020
02/28/2021
B011184 COMBUSTION TURBINE GENERATOR #2
12.3 MW Solar Model Titan 130, 143 MMBtu/hr natu...
02/05/2025
02/28/2026
C011181 OXIDATION CATALYST #2
Manufacturer and model to be determined, control...
02/05/2025
02/28/2026
C011178 SELECTIVE CATALYTIC REDUCTION SYSTEM #2
Selective catalytic reduction system, manufactur...
02/05/2025
02/28/2026
B011177 COOLING TOWER #2
One-two cell cooling tower, manufacturer and mod...
02/25/2020
02/28/2021
B011185 COMBUSTION TURBINE GENERATOR #3
12.3 MW Solar Model Titan 130, 143 MMBtu/hr natu...
08/08/2017
02/28/2018
C011182 OXIDATION CATALYST #3
Manufacturer and model to be determined, control...
08/08/2017
02/28/2018
C011179 SELECTIVE CATALYTIC REDUCTION #3
Selective catalytic reduction system, manufactur...
08/08/2017
02/28/2018
B011186 COMBUSTION TURBINE GENERATOR #4
12.3 MW Solar Model Titan 130, 143 MMBtu/hr natu...
01/17/2013
02/28/2014
C011183 OXIDATION CATALYST #4
Manufacturer and model to be determined, control...
06/28/2013
02/28/2014
C011180 SELECTIVE CATALYTIC REDUCTION SYSTEM #4
Selective catalytic reduction system, manufactur...
02/23/2015
02/28/2016
E011115 DIESEL IC ENGINE, EMERGENCY GENERATOR
Emergency engine #1 at CHP.
Year of manufacture ...
02/05/2025
02/28/2026
E011176 DIESEL IC ENGINE, EMERGENCY GENERATOR #2
Model Year 2010, Engine Family ACPXL106.T2E, Tie...
02/25/2020
02/28/2021
E011175 DIESEL IC ENGINE, EMERGENCY GENERATOR #3
Model Year 2010, Engine Family ACPXL106.T2E, Tie...
08/08/2017
02/28/2018
B011248 CRACK PHASE 1A PROCESS EQUIPMENT
N/A
02/05/2025
02/28/2026
B011289 BOILER, TEMPORARY - CRACK PHASE 1A
83 MMBtu/hr natural gas fired boiler with dry lo...
11/16/2012
02/28/2013
C011290 SELECTIVE CATALYTIC REDUCTION SYSTEM
Selective catalytic reduction system, manufactur...
06/21/2012
02/28/2013
B011335 CRUSHING PLANT
N/A
02/05/2025
02/28/2026
C011336 BAGHOUSE - CRUSHING PLANT
Manufacturer Airlanco, Model 18812LP10STYLE III,...
02/05/2025
02/28/2026
T011337 STORAGE BIN NO. 1 - FINE ORE
D05-BN1, 2000 ton capacity, dimensions 38' dia. ...
02/05/2025
02/28/2026
C011339 BIN VENT NO. 1 - FINE ORE STORAGE
D05-DC02, Manufacturer TBD, Model TBD
Bags: n...
02/05/2025
02/28/2026
T011338 STORAGE BIN NO. 2 - FINE ORE
D05-BN2, 2000 ton capacity, dimensions 38' dia. ...
02/05/2025
02/28/2026
C011340 BIN VENT NO. 2 - FINE ORE STORAGE
D05-DC03, Manufacturer TBD, Model TBD
Bags: n...
02/05/2025
02/28/2026
B011341 BALL MILL CIRCUIT
N/A
02/05/2025
02/28/2026
B011342 FLOATATION SYSTEM
N/A
02/05/2025
02/28/2026
B011343 CONCENTRATE HANDLING SYSTEM
N/A
02/05/2025
02/28/2026
B011344 LIGNOSULFONATE REAGENT SYSTEM
N/A
02/05/2025
02/28/2026
C011365 LIGNOSULFOATE DUST COLLECTION BLOWER
D10-BL07 Manufacturer TBD, Model TBD
Flowrate...
02/05/2025
02/28/2026
C011380 BIN VENT BLOWER - LIGNOSULFONATE REAGENT SYSTEM
D10-BL06 Manufacturer TBD, Model TBD
Flowrate...
02/05/2025
02/28/2026
B011460 COOLING TOWER - CHLOR-ALKALI PLANT
One four-cell cooling tower, manufacturer and mo...
02/05/2025
02/28/2026
B011316 SXH (HEAVIES SEPARATION) CIRCUIT
N/A
02/05/2025
02/28/2026
B011317 SXI (IMPURITIES REMOVAL) CIRCUIT
N/A
02/05/2025
02/28/2026
C011325 ADSORBER #1 - HCl, SXH/I CIRCUIT
N/A
02/05/2025
02/28/2026
C011326 ADSORBER #2 - HCl, SXH/I CIRCUIT
N/A
02/05/2025
02/28/2026
C011327 ADSORBER #1 - SX-12, SXH/I CIRCUIT
N/A
02/05/2025
02/28/2026
C011328 ADSORBER #2 - SX-12, SXH/I CIRCUIT
N/A
02/05/2025
02/28/2026
B011345 SODA ASH SYSTEM
N/A
02/05/2025
02/28/2026
T011346 SILO - SODA ASH
D10-SI01, Dimensions 10' dia x 60', 35,250 gallo...
02/05/2025
02/28/2026
C011347 VENT FILTER - SODA ASH SILO
N/A
02/05/2025
02/28/2026
B011348 COAGULANT REAGENT SYSTEM
N/A
04/19/2025
10/07/2011
B011349 SAPONIFIED FATTY ACID REAGENT SYSTEM
N/A
04/19/2025
10/07/2011
B011350 FLOCCULANT REAGENT SYSTEM (MILLING & FLOTATION)
N/A
02/05/2025
02/28/2026
C011379 SCRUBBER - SODA ASH
D10-SCRB01, Manufacturer and model TBD, which se...
02/05/2025
02/28/2026
B011353 PASTE TAILINGS PLANT
N/A
02/05/2025
02/28/2026
B011354 FLOCCULANT REAGENT SYSTEM (PASTE TAILINGS)
N/A
02/05/2025
02/28/2026
B011357 CEMENT (BINDER) REAGENT SYSTEM
N/A
08/08/2017
02/28/2018
T011358 CEMENT (BINDER) SILO
N/A
08/08/2017
02/28/2018
C011359 BIN VENT - CEMENT (BINDER) SILO
Manufacturer TBD Model TBD with the following s...
08/08/2017
02/28/2018
B011360 PASTE TAILING MIXER
N/A
02/05/2025
02/28/2026
C011361 SCRUBBER - PASTE TAILING MIXER
B05-DC01 Wet Scrubber Manufacturer: Ducon, Mode...
02/05/2025
02/28/2026
B011367 BOILER, TEMPORARY MILL
83 MMBtu/hr diesel fired boiler with dry low NOx...
03/12/2013
02/28/2014
C011368 SELECTIVE CATALYTIC REDUCTION SYSTEM - MILL INTE...
Selective catalytic reduction system, manufactur...
03/12/2013
02/28/2014
B011463 COOLING TOWER - COMPRESSED AIR PLANT
One two-cell cooling tower, manufacturer and mod...
02/25/2020
02/28/2021
B011513 CERIUM REMOVAL TRAIN #1
N/A
02/05/2025
02/28/2026
B011514 CERIUM REMOVAL TRAIN #2
N/A
02/05/2025
02/28/2026
B011461 COOLING TOWER - MILL PLATEAU
One one-cell cooling tower, manufacturer and mod...
02/25/2020
02/28/2021
B011462 COOLING TOWER - PASTE PLATEAU
One two-cell cooling tower, manufacturer and mod...
02/25/2020
02/28/2021
E011485 DIESEL IC ENGINE, EMERGENCY FIRE PUMP #1
A certified Tier 3 Diesel engine, EPA Family CJD...
02/05/2025
02/28/2026
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
B011391 TEMPORARY PORTABLE LNG WARMER NATURAL GAS-FIRED ...
Two - 11 MMBtu/hr natural gas fired burners. Ma...
03/12/2013
02/28/2014
E011484 DIESEL IC ENGINE, EMERGENCY FIRE PUMP #2
A certified Tier 3 Diesel engine, EPA Family CJD...
02/05/2025
02/28/2026
T011561 TEMPORARY SODA ASH SYSTEM
N/A
03/12/2013
02/28/2014
C011515 SCRUBBER, CERIUM REMOVAL CIRCUIT
Equipment ID F10-SSE900 , Manufacturer and model...
02/05/2025
02/28/2026
C011560 WET CYCLONE - TEMPORARY SODA ASH SYSTEM
N/A
03/12/2013
02/28/2014
T011533 STORAGE TANK - AQUEOUS AMMONIA CHP PLANT
7,900 gallon stainless steel tank storing 19% aq...
02/05/2025
02/28/2026
T011532 STORAGE TANK - AQUEOUS AMMONIA CHP PLANT
7,900 gallon stainless steel tank storing 19% aq...
02/05/2025
02/28/2026
B011542 IRON URANIUM SEPARATIONS PROCESS
N/A
02/05/2025
02/28/2026
B011551 DIDYMIUM SEPARATION (SXD) CIRCUIT
N/A
02/05/2025
02/28/2026
C011552 ADSORBER #1 - HCL, SXD CIRCUIT
N/A
02/05/2025
02/28/2026
C011553 ADSORBER #2 - HCL, SXD CIRCUIT
N/A
02/05/2025
02/28/2026
C011554 ADSORBER #1 - SX-12, SXD CIRCUIT
N/A
02/05/2025
02/28/2026
C011555 ADSORBER #2 - SX-12, SXD CIRCUIT
N/A
02/05/2025
02/28/2026
B011581 WATER TREATMENT PLANT
N/A
02/05/2025
02/28/2026
T011582 WATER TREATMENT PLANT ACID DAY TANK
N/A
02/05/2025
02/28/2026
B011575 DISSOLUTION EQUIPMENT
N/A
02/05/2025
02/28/2026
C011576 DISSOLUTION SCRUBBER
N/A
02/05/2025
02/28/2026
B011592 WET LANTHANUM - PROCESS TRAIN 1
N/A
02/05/2025
02/28/2026
B011593 WET LANTHANUM - PROCESS TRAIN 2
N/A
02/05/2025
02/28/2026
T011605 BREAK TANKS - HCL & CAUSTIC
N/A
02/05/2025
02/28/2026
T011606 TANK FARM
N/A
02/05/2025
02/28/2026
C011607 HCI SCRUBBER - VENTING TANK FARM
90% control efficiency
02/05/2025
02/28/2026
B011624 LEACH PROCESS EQUIPMENT
N/A
02/05/2025
02/28/2026
B011625 LEACH MATERIAL HANDLING EQUIPMENT
N/A
02/05/2025
02/28/2026
C011626 LEACH SCRUBBER
N/A
02/05/2025
02/28/2026
C011634 SXH/I TANK FARM SCRUBBER
N/A
02/05/2025
02/28/2026
B011667 WET DIDYMIUM PROCESS EQUIPMENT TRAIN #1
N/A
02/05/2025
02/28/2026
B011668 WET DIDYMIUM PROCESS EQUIPMENT TRAIN #2
N/A
02/05/2025
02/28/2026
C011669 WET DIDYMIUM SCRUBBER
N/A
02/05/2025
02/28/2026
B011754 SODA ASH SYSTEM - NFB SEPARATIONS PLANT
N/A
02/05/2025
02/28/2026
C011755 BIN VENT - NFB SEPARATIONS SODA ASH SYSTEM
Mikro-Pulsaire, model 20S-10-30 “B” style wi...
02/05/2025
02/28/2026
B011837 CaF2 SYSTEM
N/A
08/08/2017
02/28/2018
C011836 DUST COLLECTOR
Airmax dust collector, Model 150 S; Serial TBD, ...
08/08/2017
02/28/2018
B011859 OXALIC ACID MATERIALS HANDLING SYSTEM #1
N/A
02/05/2025
02/28/2026
B011860 OXALIC ACID MATERIALS HANDLING SYSTEM #2
N/A
02/05/2025
02/28/2026
C011861 OXALIC ACID MATERIALS HANDLING SYSTEM DUST COLL...
Mfg. TBD, model TBD with the following specifica...
02/05/2025
02/28/2026
C011862 OXALIC ACID MATERIALS HANDLING SYSTEM DUST COLL...
Mfg. TBD, model TBD with the following specifica...
02/05/2025
02/28/2026
T011873 BRINE RECOVERY EQUIPMENT
N/A
02/05/2025
02/28/2026
T011913 CHLOR ALKALI PROCESS, ACID DAY TANK
N/A
02/05/2025
02/28/2026
C011916 CHLOR ALKALI PROCESS, VENT SCRUBBER #1
N/A
02/05/2025
02/28/2026
B011908 CHLOR ALKALI PROCESS, BRINE PURIFICATION / ELECT...
N/A
02/05/2025
02/28/2026
B011909 CHLOR ALKALI PROCESS, HCL REACTION UNIT #1
N/A
02/05/2025
02/28/2026
B011910 CHLOR ALKALI PROCESS, HCL REACTION UNIT #2
N/A
02/05/2025
02/28/2026
T011911 CHLOR ALKALI PROCESS, HCL TRANSFER TANK #1
N/A
02/05/2025
02/28/2026
T011912 CHLOR ALKALI PROCESS, HCL TRANSFER TANK #2
N/A
02/05/2025
02/28/2026
C011917 CHLOR ALKALI PROCESS, VENT SCRUBBER #2
N/A
02/05/2025
02/28/2026
B011915 CHLOR ALKALI PROCESS, FIRST STAGE BLEACH TOWER
N/A
02/05/2025
02/28/2026
C011914 CHLOR ALKALI PROCESS, SECOND STAGE BLEACH TOWER
N/A
02/05/2025
02/28/2026
C011920 CHLOR-ALKALI PROCESS, TAIL GAS TOWER #1
N/A
02/05/2025
02/28/2026
C011919 CHLOR-ALKALI PROCESS, TAIL GAS TOWER #2
N/A
02/05/2025
02/28/2026
C011948 LANTHANUM CARBONATE CALCINER BAGHOUSE
N/A
02/05/2025
02/28/2026
B011949 LANTHANUM CARBONATE PRODUCTION
Permit fees calculated in accordance with Rule 3...
02/05/2025
02/28/2026
T011966 TOTAL ORGANIC CARBON REMOVAL SYSTEM
N/A
02/05/2025
02/28/2026
C011965 DUST COLLECTOR, TOTAL ORGANIC CARBON REMOVAL SYS...
Manufacturer: Air Max, Model 225S with the foll...
02/05/2025
02/28/2026
B011968 SALT DISSOLVER SYSTEM
N/A
02/05/2025
02/28/2026
B012062 DIESEL IC ENGINE, PORTABLE
Tier IVi, Engine Family CJDXL04.5211
02/24/2015
02/28/2016
B012087 HARD LEACH PROCESS
N/A
02/05/2025
02/28/2026
C012086 HARD LEACH VENTURI SCRUBBER
Venturi Scrubber and associated equipment.
02/05/2025
02/28/2026
B012088 HARD LEACH, MATERIAL HANDLING
N/A
02/05/2025
02/28/2026
T012157 STORAGE TANK, SODA ASH SYSTEM TANK #2
10,000 gallon capacity storage tank with pneumat...
02/05/2025
02/28/2026
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
B012173 LIGHT RARE EARTH CARBONATE PROCESS (LREC)
N/A
02/05/2025
02/28/2026
C012326 DUST COLLECTOR
WAM dust collector, Model SiloTop 250; Serial TB...
08/08/2017
02/28/2018
B013406 BOILER, TEMPORARY MILL
Cleaver-Brooks Model CBLE700-600-250ST fire tube...
02/02/2022
02/28/2023
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
C014185 DUST COLLECTOR - PACKAGER
Manufacturer: Nordic Air Filtration Model: CD 3...
02/05/2025
02/28/2026
B014167 CONCENTRATE DRYER
N/A
02/05/2025
02/28/2026
B014168 CONCENTRATE DRYING CONVEYANCE SYSTEM
N/A
02/05/2025
02/28/2026
C014169 BAGHOUSE - CONCENTRATE DRYING SYSTEM
Manufacturer: Sly Inc. Model: STJ-1311-10 Seria...
02/05/2025
02/28/2026
C014178 BIN VENT - PRODUCT COOLER CONVEYOR HOPPER
Manufacturer: Cyclonaire Model: DPV-25B Serial N...
02/05/2025
02/28/2026
C014171 BAGHOUSE - CONCENTRATE CALCINER SYSTEM
Manufacturer: Sly Inc. Model: STJ-1511-10 Seria...
02/05/2025
02/28/2026
C014172 LEACH RECEIVING FILTER RECEIVER
Manufacturer: Cyclonaire Model: 36-FR-54 Serial ...
02/05/2025
02/28/2026
B014173 LEACH CONVEYING SYSTEM
N/A
02/05/2025
02/28/2026
C014184 BIN VENT - CALCINED CONCENTRATE BIN
Manufacturer: Cyclonaire Model: 36-DC-36 Serial ...
02/05/2025
02/28/2026
B014170 CONCENTRATE CALCINING SYSTEM
N/A
02/05/2025
02/28/2026
B014219 BRINE CRYSTALLIZER
N/A
02/05/2025
02/28/2026
B014255 LEACH THICKENING AND FILTRATION SYSTEM
N/A
02/05/2025
02/28/2026
B014285 CONCENTRATE THICKENER AND FILTRATION SYSTEM
N/A
02/05/2025
02/28/2026
C014254 LEACH CAUSTIC SCRUBBER
Bionomic Industries Series 5000 Model 136 Packed...
02/05/2025
02/28/2026
C014302 PRASEODYMIUM NEODYMIUM SCRUBBER
Bionomic Industries Series 5000 Model 46 Packed ...
02/05/2025
02/28/2026
B014303 PRASEODYMIUM NEODYMIUM THICKENER AND FILTRATION ...
N/A
02/05/2025
02/28/2026
B014304 PRASEODYMIUM NEODYMIUM DRYER
Dryer with burner rated at 7.2 MMBtu/hr. Ductin...
03/24/2025
02/28/2026
B014305 PRASEODYMIUM NEODYMIUM DRYING CONVEYANCE SYSTEM
N/A
02/05/2025
02/28/2026
C014306 PRASEODYMIUM NEODYMIUM DRYER BAGHOUSE
Manufacturer: Sly Inc. Model: STJ-1311-10 Seria...
03/24/2025
02/28/2026
B014307 PRASEODYMIUM NEODYMIUM CALCINER
Calciner with burner rated at 4 MMBtu/hr. Ducti...
03/24/2025
02/28/2026
B014308 PRASEODYMIUM NEODYMIUM CALCINING CONVEYANCE SYST...
N/A
02/05/2025
02/28/2026
C014309 PRASEODYMIUM NEODYMIUM CALCINER BAGHOUSE
Manufacturer: Sly Inc. Model: STJ-1315-8 Serial...
03/24/2025
02/28/2026
B014310 PRASEODYMIUM NEODYMIUM PACKAGING SYSTEM
N/A
02/05/2025
02/28/2026
C014311 PRASEODYMIUM NEODYMIUM PACKAGER #1 DUST COLLECTO...
562-F66-DC15
Manufacturer: Nordic Air Filtrati...
02/05/2025
02/28/2026
C014312 PRASEODYMIUM NEODYMIUM PACKAGER #2 DUST COLLECTO...
562-F66-DC17
Manufacturer: Nordic Air Filtrati...
02/05/2025
02/28/2026
C014313 PRASEODYMIUM NEODYMIUM BULK BAG UNLOADER DUST CO...
562-F66-DC18
Manufacturer: Nordic Air Filtrati...
02/05/2025
02/28/2026
B014388 LANTHANUM CARBONATE DRYER
Dryer with two burners rated at 8.2 MMBtu/hr eac...
03/24/2025
02/28/2026
C014389 BAGHOUSE, LANTHANUM CARBONATE DRYER
Manufacturer: Sly Inc. Model: STJ-2917-10 Seria...
03/24/2025
02/28/2026
B014390 LANTHANUM CARBONATE DRYER SYSTEM
N/A
02/05/2025
02/28/2026
B014391 LANTHANUM CARBONATE PACKAGING SYSTEM
N/A
02/05/2025
02/28/2026
C014392 DUST COLLECTOR, LANTHANUM CARBONATE BULK BAG PAC...
Manufacturer: Nordic Air Filtration Model: CD 3...
02/05/2025
02/28/2026
B014413 OXALIC ACID SYSTEM #1
N/A
02/05/2025
02/28/2026
C014414 DUST COLLECTOR, OXALIC ACID BULK BAG UNLOADER #1...
Manufacturer: Schenck Process, LLC, Model: 19AV...
02/05/2025
02/28/2026
B014415 OXALIC ACID SYSTEM #2
N/A
02/05/2025
02/28/2026
C014416 DUST COLLECTOR, OXALIC ACID BULK BAG UNLOADER #2...
Manufacturer: Schenck Process, LLC, Model: 19AV...
02/05/2025
02/28/2026
B014417 SODA ASH SYSTEM
N/A
02/05/2025
02/28/2026
B014418 DIATOMACEOUS EARTH SYSTEM
N/A
02/05/2025
02/28/2026
C014419 DUST COLLECTOR, DIATOMACEOUS EARTH MIX TANK
Manufacturer: Magnum Systems Model: 18BV2 Seria...
02/05/2025
02/28/2026
B014420 LEACH PRESSURE LEAF FILTER SYSTEM
N/A
02/05/2025
02/28/2026
C014421 DUST COLLECTOR, LEACH PRESSURE LEAF FILTER
Manufacturer: Flexicon, Model: BD-S30T-X, Seria...
02/05/2025
02/28/2026
B014422 SX FEED PREP PRESSURE LEAF FILTER SYSTEM
N/A
02/05/2025
02/28/2026
C014423 DUST COLLECTOR, SX FEED PREP PRESSURE LEAF FILTE...
Manufacturer: Flexicon, Model: BD-S30T-X, Seria...
02/05/2025
02/28/2026
B014579 DIATOMACEOUS EARTH LEAF FILTER PRE-COAT HOPPER
N/A
02/05/2025
02/28/2026
C014580 DUST COLLECTOR, DIATOMACEOUS EARTH LEAF FILTER P...
Manufacturer: Flexicon, Model: BD-S30T-X, Seria...
02/05/2025
02/28/2026
M014678 DIESEL IC ENGINE, EMERGENCY GENERATOR
Year of Manufacture TBD, EPA Tier II Engine Fami...
02/05/2025
02/28/2026
T015259 SODIUM CHLORIDE HOPPER
N/A
02/10/2025
02/28/2026