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Hexavalent Chromium Study
in Western Riverside County

After a five-month intensive investigation of toxic air pollution in the Rubidoux area of Western Riverside County, AQMD has identified TXI Riverside Cement as the source of elevated levels of the cancer-causing chemical hexavalent chromium in the Rubidoux area.  As a result, AQMD will take aggressive action to reduce the hexavalent chromium emissions from Riverside Cement and lower the risk levels in the community around the facility.

For more information on AQMD’s investigation, findings and next steps, please see the links below.

                                                                                            File Info Date
Initial Hexavalent Chromium Study
Riverside Town Hall Meeting Presentation on Study PDF; 1.15Mb 04-21-2008
Memo Describing Study PDF; 858Kb 04-16-2008
Enforcement Actions
Notice of Violation Issued PDF; 56KB 05-09-2008
Notices of Violation Issued PDF; 403Kb 04-25-2008
Notice of Violation Issued PDF; 62Kb 04-18-2008
Health Risk/Air Monitoring Data
Health Effects of Hexavalent Chromium: Air Monitoring Data PDF; 1.39Mb 05-06-2008
Requirement for Health Risk Assessment PDF; 430Kb 04-16-2008
MATES III
(AQMD's regional 2004-2006 air toxics study)
HTML January 2008
Upcoming Public Meetings
Colton Town Hall Meeting PDF; 227Kb 05-06-2008

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This page updated: May 09, 2008
URL: http://www.aqmd.gov/RiversideCement/RiversideCement.html

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