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The Monterey Bay Air Resources District (MBARD) is proposing major revisions to Rule 426, Architectural Coatings to be consistent with the California Air Resources Board's (CARB's) Suggested Control Measures (SCM) for Architectural Coatings of May 2019 and May 2020. MBARD anticipates an overall net decrease of 0.022 tons per day of VOC emissions with adoption of the new Rule 426. Revisions to the Rule include:

  • Updates to Table 1, VOC Content Limits for Architectural Coatings:
    • Eliminating Nonflat - High Gloss from the coating categories
    • Establishing Building Envelope, Stains (Interior), and Tile and Stone Sealers as new coating categories
    • Lowering VOC limits for Aluminum Roof, Dry Fog, Nonflat, Fire Resistive, Floor, Form-Release, Stains (Exterior/Dual), and Waterproofing Membrane coating categories
  • Updates to Table 2, VOC Content Limits for Colorants to establish VOC limits for colorants
  • Establishing a new coating category of Photovoltaic Coatings as Part 7, with a VOC content limit and daily volume limit, and a sunset provision on January 1, 2028
  • Updates to definitions for clarification purposes and updated test methods and standards
  • Expanding applicability to include “market” as a means of addressing mail order coatings and e-commerce companies
  • Establishing an anti-bundling provision for exempt small containers
  • Updates to language for Sell-Through Provisions of Coatings and Colorants

MBARD held a public workshop on August 12, 2020 at 1:30 pm to discuss the proposed revisions and comments. Board adoption is scheduled for September 16, 2020 at 1:30 pm, with written comments open for the public through September 7, 2020 at 4:45 pm. The board adoption can be joined remotely via Zoom Video Conference using the Webinar ID 848 1227 5329.

Interested parties can review the proposed Rule 426 language on MBARD's website. For assistance meeting the new emission limits, please call Trinity's Oakland office at 510.285.6351.