Natural Gas
February 8, 2010

An aerial view of the aftermath of an
explosion at the Kleen Energy Systems
plant located along the Connecticut
River in Middletown, Conn. Sunday.

Only three days before the massive
explosion that killed at least five
workers at a newly constructed natural
gas plant in Middletown, Conn., the US
Chemical Safety Board (CSB) issued
urgent new recommendations on how
to prevent explosions when handling or
purging natural gas pipelines.