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Breaking News: Health Advisory for Contra Costa County

Last updated: November 10, 2018, 12:38 pm

The Bay Area Air Quality Management District reports that parts of our county have unhealthy air due to smoke. Please follow the following tips to protect yourself and your loved ones. Everyone, especially children, should reduce outdoor activity. Active children and adults, and people with respiratory disease such as asthma, should avoid prolonged outdoor activity. Masks are not a substitute for staying indoors. Masks such as the N-95 are not effective for untrained users and may be dangerous for people with lung or heart conditions. N-95 masks may be helpful for people who must work outdoors if properly fitted. Employees should work with their employers for direction on when/how to use N-95 masks. Seek medical attention if you experience symptoms like repeated coughing, difficulty breathing, wheezing, chest tightness, palpitations, nausea, fatigue or lightheadedness. Visit for smoke tips and for air quality in your area

Hazardous Materials Commission


  • To protect and promote the health, safety, and well-being of Contra Costa residents as they are affected by hazardous materials and hazardous waste.
  • To provide and promote a forum for building consensus on environmental issues affecting Contra Costa residents related to hazardous materials and hazardous waste.
  • To provide recommendations to the Board of Supervisors and the Board's respective Committees and Commissions regarding policies concerning the storage, use, and management of hazardous materials and hazardous waste as they affect health, safety, and the environment, including land-use planning and economic effects.


The Hazardous Materials Commission was established in 1983 by the Contra Costa County Board of Supervisors. Its charge is to develop overall policy recommendations for hazardous materials and wastes and advise the Board, local elected officials, and county and city staff.


All meetings are open to the public. For information please call Michael Kent, at 925-313-6587.

Recent Reports

Presentations Made at the Dec. 4, 2008 Forum
on Addressing the Cumulative Impacts of Pollution


  • The Operations Committee oversees the Commission's organizational business, provides guidance to county department programs and management, and addresses public education and communication issues.
  • The Planning and Policy Development Committee provides technical assistance on the update of the land use ordinance and other long-term policy and planning issues.

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