Environmental & Energy
Apr. 30, 2025
Proposed amended Rule 1469: Balancing public health and industrial impacts
Proposed amendments to Rule 1469 by the South Coast AQMD aim to strengthen regulation of hexavalent chromium emissions to protect public health and address environmental justice concerns, but they also present significant operational, financial, and competitive challenges for industries reliant on Cr(VI).





Thierry R. Montoya
Partner
Frost Brown Todd LLP

The Proposed Amended Rule 1469 (PAR 1469) by the South Coast Air Quality Management District (South Coast AQMD) marks a pivotal shift in California's regulation of hexavalent chromium (Cr(VI)), a hazardous air contaminant. Since Rule 1469's adoption in 1988, regulatory efforts have sought to control Cr(VI) emissions while not always recognizing the economic realities of compliance. Now, in response to advancing scientific ...
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