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Air PBR 106.148: Material Unloading

Material unloading is permitted by rule if it meets the conditions stated in 30 TAC Sections 106.4 and 106.148. No registration or fee is required. Recordkeeping requirements are discussed below.

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Railcar or truck unloading of wet sand, gravel, aggregate, coal, lignite, and scrap iron or scrap steel (but not including metal ores, metal oxides, battery parts, or fine dry materials) into trucks or other railcars for transportation to other locations is permitted by rule:

  • Complete our PBR Applicability Checklist, TCEQ Form - 10149, to find out whether your facility meets the general conditions for a PBR, and
  • To determine if your facility meets the specific requirements for this PBR, complete the PBR 106.148 Checklist, TCEQ Form - 10110.

If your facility cannot comply with the conditions indicated in these checklists, see Types of New Source Review Authorizations for other options.


Starting January 1, 2024, the Aggregate Processing Operations workbook will be required with all registrations under Sections 106.141, 106.143, 106.144, 106.145, 106.146, 106.148, 106.149, and 106.150.

Applications received on or after January 1, 2024 must use Version 1.0 or newer. If this version number does not match the version number listed on the Cover sheet of the workbook, please clear your browser cache or refresh your screen.


Under 30 TAC Section 106.8 , your records must identify the rules under which your facility is operating and demonstrate compliance for a rolling 12-month period. Be sure you keep at least these records:

These records must be kept on site and readily available on request for inspection by the TCEQ or any air pollution control program that has jurisdiction. If you have questions about the type of records you should keep, contact the Air Program in the TCEQ regional office that serves your county.

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