California’s South Coast Air Quality Management District (SCAQMD) on May 6 issued a . The public hearing will take place on June 6 at 12:00 PM ET (9:00 AM PT).

SCAQMD’s proposal, among other things, would make the following amendments to Rule 1171:

  • Prohibit the use of solvent cleaning materials that contain PCBTF and TBAC by Jan. 1, 2026 (not VMS)
    • Sell-through period until Jan. 1, 2027
    • Use-through period until Jan. 1, 2028;
  • Prohibit the possession of non-compliant solvent cleaning materials on-site;
  • Add, revise, and remove definitions for clarity;
  • Revise the table of standards and add new solvent cleaning activity categories with corresponding VOC limits;
  • Revise the alternative compliance options, including the addition of usage limits for aerosol cleaning and the option to utilize a PW-MIR limit;
  • Add recordkeeping requirements for certain activities; and
  • Revise exemptions.

The district has also published the and on its website.

Additional information on this rulemaking may be found on .

Contact AVͷȲ’s Rhett Cash for more information.