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EnvironmentCommunity discussion
Roadside Environmental Mitigation / 6PPD
Contra Costa County
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Supportive (1)
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Last discussed Mar 31, 2026.
Public comments (1)
SupportiveSharise PetkerMar 31, 2026
Presented a proposal regarding a breakdown chemistry method for toxic tire byproduct 6PPD-quinone for Caltrans and county roads.
BOARD OF SUPERVISORS — March 31, 2026 · 2:42:24 →