CBC.ca | No Safety Officials Present During Gas Purge At Middletown Blast Site Hartford Courant Even though combustion engineers say purging, or cleaning, of high-pressure gas lines is the most dangerous operation at a gas-fired power plant, ... Future of Middletown plant remains unclear Energy Plant Tragedy Puts a Light on Banks, Private Equity Funds Pushing into ... 5 men killed in Conn. power plant part of gas purging crew |