ABZCZC-CIV-CEM-0060130000-2102325- There has been a mistaken activation of the Contra Costa CWS. Sirens may have been sounded in North Concord, Clyde & Vine Hill. Please advise the public that there is no known incident or hazard in North Concord, Clyde & Vine Hill. If additional information is needed please page the Hazardous Materials Program at 925-295-8234 ABNNNN EDIS-07-30-01 1619 PDT

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[EDIS] COMMUNITY WARNING SYSTEM MESSAGE [Urgent: San Francisco Bay]