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What is the Chlorine Institute?

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

Chlorine chemistry plays a critical role in meeting some of our most basic needs. Chlorine chemistry enables scientists to pioneer advances in modern medicine and renewable energy. It helps protect American soldiers and police officers. Chlorine chemistry transforms public health hazards like drinking water and swimming pools, into modern day conveniences.
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Technical Services

The Chlorine Institute exists to support the chlor-alkali industry and serve the public by fostering continuous improvements to safety and the protection of human health and the environment connected with the production, distribution and use of chlorine, sodium and potassium hydroxides, and sodium hypochlorite, and the distribution and use of hydrogen chloride.

Latest News

GHS Webinar
While the United Nations' (UN) Globally Harmonized System for Classification and Labelling of Chemicals (GHS) model provides a backbone for hazard communications, it is only a tool for other nations to utilize, adopt, and amend as appropriate for their country-specific needs. There are substantial differences among the approaches taken by Canada, Mexico, and the United States in GHS implementation of each respective program. CI staff recently participated in a Webinar titled NAFTA Members' GHS Programs - A Comparative Analysis which examined the specific similarities and differences among:... Read more...

Hydrochloric Acid Railcar Securement Training Video - NOW AVAILABLE
The training video entitled “Reducing Non-Accident Releases by Properly Securing Hydrochloric Acid Railcars” is now available through the CI Bookstore.  The video can be ordered in DVD format for free, as well as streamed through an online video via Youtube.  This video provides guidance for the shipment of hydrochloric acid (HCl) tank cars and the reduction of non-accident releases (NARs). Topics covered include the definition of an NAR, U.S. Department of Transportation incident reporting requirements, shipper responsibilities, best practices to reduce HCl tank car NARs and available guidance and resources, such as additional Chlorine Institute guidance.  Please contact Robyn Kinsley if you have any questions.

FRP Cargo Tank Information Bulletin
This members-only Information Bulletin briefly highlights best practices for those members that utilize and maintain FRP cargo tanks, and can be found in Transportation Resources webpage.  It is an outgrowth of the recent survey of CI membership on FRP cargo tank use, conducted by the FRP Cargo Tank Task Group.  That task group felt it timely to issue a reminder about Special Permit provisions on inspection and repair of FRP Cargo Tanks.  For more details on the results of the CI member survey, please refer to the Fall Meeting presentation.

Excess Flow Valve Information Bulletin
Through the work of the Transportation Issue Team’s Chlorine Railcar Fittings Criteria task group, the issue team learned that many members rely on excess flow valves for emergency shut-off protection in the event of a link break during the bulk loading/unloading process.  CI has issued pamphlets which include guidance related to the concerns of relying on excess flow valves as a layer of protection during the chlorine bulk transfer operation.   As such, the Transportation Issue Team developed an information bulletin to remind CI members of the guidance CI has on the matter.  Click here for the information bulletin.  Contact Robyn Kinsley if you have questions.