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What is The Chlorine Institute?

The Chlorine Institute (CI) founded in 1924, is a technical trade association of companies involved in the safe production, distribution and use of chlorine, sodium and potassium hydroxides and sodium hypochlorite, the distribution and use of hydrogen chloride and the distribution of vinyl chloride monomer.

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Latest News

Electrochemical Society Article Highlights CI’s Safety Efforts

CI’s safety leadership efforts were put on display in the latest edition of Interface, the quarterly publication by the Electrochemical Society. The article, Chlor-alkali Production, Safety and Leadership, is available on CI’s website (to view the rest of the magazine, use the Issuu magazine viewer). Read more...

CI offers the Quad Cities Rail Safety and Hazardous Materials Emergency Response Training CI’s

TRANSCAER® Chlorine Tour event in the Quad Cities drew 73 attendees and earned local TV and newspaper coverage.

CI Support Letter for Work of DHS’s Chemical Security Analysis Center

The Chemical Security Analysis Center within the Department of Homeland Security, is facing serious budget cuts in the proposed budget.  CSAC was established in 2006 to identify and assess chemical threats and vulnerabilities in the United States and develop the best responses to potential chemical hazards.  Over the years, CI has maintained a Cooperative Research and Development Agreement with CSAC, and through that partnership has worked with CSAC to provide chemical handling support of the Jack Rabbit large-scale chlorine trials.  CSAC’s world class scientists performed the modeling work in Pamphlet 74) Guidance on Estimating the Area Affected By A Chlorine Release.  CI values and supports the work of CSAC, and wrote a support letter; read the full text here.

CI Supports EPA’s Evaluation of new RMP Rule

CI members aim for zero releases at their operating facilities and understand voluntary best practices and regulatory oversight are both needed to prevent incidents.  For this reason, CI supports the EPA’s efforts to promulgate the most effective RMP rule.  Read the comment letter, submitted 5/19/16, here.


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