The CSB's reporting rule requires prompt reports to the CSB from owners or operators of facilities that experience an accidental release of a regulated substance or extremely hazardous substance that results in a death, serious injury or substantial property damage.  

The CSB's reporting rule form should be downloaded and submitted to report@csb.gov 

ONLINE REPORTING FORM

Relevant Regulations 

40 CFR 1604 - Accidental Release Reporting