Permit Issuance Notices Pursuant to Rule 1302(D)(3)(a)(i) and (ii)

The permit issuance actions listed below are being posted on this website for public notice and comment, pursuant to District Rule 1302 - Procedure. These notices will be posted for thirty (30) days after issuance. The permit application and all supporting information (including preliminary decision documents if any) will be provided upon request. Any person may request additional information regarding any permit issuance action, information on possible Hearing Board appeals or information on rejected comments, or information regarding how to request a public hearing on an action (if applicable). To make such a request contact the District by email at permittingapps@mdaqmd.ca.gov or in writing to MDAQMD, Attention: Executive Director, 14306 Park Avenue, Victorville CA 92392. Please note that public notices as required by Rule 1302(C)(7)(a) and (b) (such as Federal Operating Permit, Emission Reduction Credit consumption, significant health risk, major Modification, major Prevention of Significant Deterioration or Federally Significant issuances) are noticed separately on the District website and in newspapers of general circulation; please contact the District if you are looking for information on specific permitting actions or need assistance regarding the commenting process (there is a contact email link and a website link at the bottom of this page).

Facility ID Facility Description Facility Location Permit Number Permit Title Proposed Permitting Action Date Issued
2263 VVWD - Various Locations District Wide, MDAQMD, CA 92392 E015697 DIESEL IC ENGINE, PORTABLE* EMERGENCY GENERATOR Obtain an Authority to Construct permit for a new, portable, emergency, diesel-fired Internal Combustion Engine (ICE). This Permit Unit has a Nonattainment Air Pollutant PTE less than 25 pounds per day and less than 25 tons per year for NOx and VOC, and less than 15 tons per year for PM10, based on usage rates of 24 hours per day and 100 hours per year; therefore, BACT is not required pursuant to District Rule 1303(A). 10/27/2026
4734 Park View Trails G Avenue and Sultana, Hesperia, CA 92345 DCP000237 DUST CONTROL PLAN (RULE 403(C)(6)(a) CONSTRUCTION/DEMOLITION) To obtain a dust control plan authorization in response to the submission of a complete DCP application package. 10/27/2026
4730 CI Environmental Services MDAQMD, Various Locations, CA 92392 C015709 NEGATIVE AIR MACHINE Issue a permit for Negative Air Machines (air pollution control device) to be used at various locations within the MDAQMD for Asbestos Abatement. 10/27/2026
3891 United One Adelanto, LLC 10150 Apache Road, Adelanto, CA 92301 B015689 DIESEL IC ENGINE, GENERATOR To permit a new prime use diesel internal combustion engine/generator to support cannabis cultivation. 10/22/2026
2784 Absolute Abatement & Demolition - MDAQMD District Wide, MDAQMD, CA 92392 C015696 HEPA VACUUM Issue a permit for NEGATIVE AIR MACHINE (air pollution control device) to be used at various locations within the MDAQMD for Asbestos and Lead Abatement. 10/22/2026
2784 Absolute Abatement & Demolition - MDAQMD District Wide, MDAQMD, CA 92392 C015695 HEPA VACUUM Issue a permit for NEGATIVE AIR MACHINE (air pollution control device) to be used at various locations within the MDAQMD for Asbestos and Lead Abatement. 10/22/2026
589 NTC Training Mission Bldg. 602, 5th street, Fort Irwin, CA 923105085 E015694 DIESEL IC ENGINE, EMERGENCY GENERATOR (BLDG 330) Obtain an Authority to Construct permit for a new, stationary, diesel-fired ICE powering a generator for emergency use. This Permit Unit has a PTE less than 25 pounds per day of any Nonattainment Air Pollutant, based on the maximum possible daily testing and maintenance hours of 24 hours per day. This Facility also has a PTE less than 25 tons per year of any Nonattainment Air Pollutant; therefore, BACT is not required, per District Rule 1303(A). See Applicable Rules for further discussion of NSR/T-NSR. 10/22/2026
364 Mountain Pass Mine 67750 Bailey Road, Mountain Pass, CA 92366 B015670 HRE FINISHING SYSTEM The HRE Finishing System is a separations process and is located downstream of existing separations circuits SXS and SXT and produce terbium and dysprosium oxides. The proposed new process is a source of PM10 and HAP/TAC and consists of the following permit units: HRE Finishing System a series of tanks, material handling (wet and dry) equipment and electric drying equipment producing HCl, PM HAP and PM10 emissions. HRE Finishing Scrubber controls HCl emissions from HRE Finishing System HRE Kiln Filter #1 controls PM10 and PM HAP emissions associated with electric kiln #1 used to dry the heavy rare earth solids produced by the HRE Finishing System before packaging HRE Kiln Filter #2 controls PM10 and PM HAP emissions associated with electric kiln #2 used to dry the heavy rare earth solids produced by the HRE Finishing System before packaging 10/22/2026
364 Mountain Pass Mine 67750 Bailey Road, Mountain Pass, CA 92366 C015672 KILN FILTER #2, HRE The HRE Finishing System is a separations process and is located downstream of existing separations circuits SXS and SXT and produce terbium and dysprosium oxides. The proposed new process is a source of PM10 and HAP/TAC and consists of the following permit units: HRE Finishing System a series of tanks, material handling (wet and dry) equipment and electric drying equipment producing HCl, PM HAP and PM10 emissions. HRE Finishing Scrubber controls HCl emissions from HRE Finishing System HRE Kiln Filter #1 controls PM10 and PM HAP emissions associated with electric kiln #1 used to dry the heavy rare earth solids produced by the HRE Finishing System before packaging HRE Kiln Filter #2 controls PM10 and PM HAP emissions associated with electric kiln #2 used to dry the heavy rare earth solids produced by the HRE Finishing System before packaging 10/19/2026
364 Mountain Pass Mine 67750 Bailey Road, Mountain Pass, CA 92366 C015671 KILN FILTER #1, HRE The HRE Finishing System is a separations process and is located downstream of existing separations circuits SXS and SXT and produce terbium and dysprosium oxides. The proposed new process is a source of PM10 and HAP/TAC and consists of the following permit units: HRE Finishing System a series of tanks, material handling (wet and dry) equipment and electric drying equipment producing HCl, PM HAP and PM10 emissions. HRE Finishing Scrubber controls HCl emissions from HRE Finishing System HRE Kiln Filter #1 controls PM10 and PM HAP emissions associated with electric kiln #1 used to dry the heavy rare earth solids produced by the HRE Finishing System before packaging HRE Kiln Filter #2 controls PM10 and PM HAP emissions associated with electric kiln #2 used to dry the heavy rare earth solids produced by the HRE Finishing System before packaging 10/19/2026
364 Mountain Pass Mine 67750 Bailey Road, Mountain Pass, CA 92366 C015669 HCL SCRUBBER, HRE FINISHING The HRE Finishing System is a separations process and is located downstream of existing separations circuits SXS and SXT and produce terbium and dysprosium oxides. The proposed new process is a source of PM10 and HAP/TAC and consists of the following permit units: HRE Finishing System a series of tanks, material handling (wet and dry) equipment and electric drying equipment producing HCl, PM HAP and PM10 emissions. HRE Finishing Scrubber controls HCl emissions from HRE Finishing System HRE Kiln Filter #1 controls PM10 and PM HAP emissions associated with electric kiln #1 used to dry the heavy rare earth solids produced by the HRE Finishing System before packaging HRE Kiln Filter #2 controls PM10 and PM HAP emissions associated with electric kiln #2 used to dry the heavy rare earth solids produced by the HRE Finishing System before packaging 10/19/2026
4732 ZDD Investment 9841 Bartlett Ave. #3, Adelanto, CA 92301 COCP000146 CANNABIS ODOR COMPLIANCE PLAN To obtain a Cannabis Odor Compliance Plan in response to the submission of a complete COCP application package. 10/19/2026
3847 Beaver Biotech, LLC 16358 Beaver Road, Adelanto, CA 92301 COCP000145 CANNABIS ODOR COMPLIANCE PLAN To obtain a Cannabis Odor Compliance Plan in response to the submission of a complete COCP application package. 10/08/2026
408 West Coast Aggregate Supply Inc. DBA Brubaker Mann 36011 Soap Mine Road, Barstow, CA 92311 B015688 PORTABLE CRUSHING AND SCREENING PLANT This Facility is an existing aggregate processing plant producing decorative rock. A permit application was submitted in July 2026 to add a portable crushing and screening operation to the Facility, operating independently of all other equipment at the site to prevent mixing of rock color and type. The Facility has acknowledged that despite this being portable equipment it is required to operate as stationary equipment driven by line power. Movement within the boundary of the Facility is allowed but this equipment is restricted from leaving the property at 36011 Soap Mine Road, Barstow, CA. This Permit Unit has an uncontrolled Nonattainment Air Pollutant PTE greater than 25 pounds per day but less than 15 tons per year for PM10 based on a maximum throughput of 400 tons per hour and operation of 9 hours per day and 1,575 hours per year. The calculated uncontrolled PM10 emissions from this Permit Unit are 113.40 pounds per day and 9.923 tons per year. Therefore, BACT is required pursuant to District Rule 1303(A). The controlled PTE for PM10 was calculated to be 16.169 pounds per day and 1.415 tons per year. 10/08/2026
3276 SBCo - County Service Area 64 Shop 17470 Alder Street, Hesperia, CA 92345 N011229 GASOLINE DISPENSING FACILITY (NON-RETAIL) O/O submitted a permit modification application to update these component: * New Tank * New phase I System * Increasing the throughput to 480,000 Gal/yr * 95% ORVR fleet facility exemption for Phase II. 10/07/2026
3248 USMC AGCC - USMC MWSS 374 Box 788110, Bldg. 1451, Twentynine Palms, CA 92278 T013462 CAMP WILSON FUEL TANK FARM Obtain an Authority to Construct permit to construct and operate a modified fuel storage facility by adding up to five collapsible F-24 fuel storage bladders to an existing operation consisting of seven fuel storage tanks. This Permit Unit has a PTE less than 25 pounds per day and less than 25 pounds per day of any other Nonattainment Air Pollutant, based on 24 hours per day operation; therefore, BACT is required, per District Rule 1303(A). See Applicable Rules for further discussion of NSR/T-NSR. 10/06/2026