when a valve was installed on the pipeline. (May 12, 1975) 1975 An explosion in June 1975 at a home in East Stroudsburg, Pennsylvania, was caused by natural gas leaking into the home from an open main in the middle of the street. One person was killed. In 1973, workers hired by the gas company had falsified records showing the main had been closed. 1975 On June 11, a leaking pipeline for the Alyeska Pipeline Service Company was found to have spilled about 60,000 gallons of crude oil at a construction camp in Alaska. That pipeline had been noticed leaking before, but, previous repair efforts had failed. 1975 An LPG pipeline ruptured near Romulus, Michigan, due to previous mechanical damage to the pipeline, and over pressurization from operator error, caused by closing a valve against a pumping pipeline, at a storage facility. Nine people were injured in the following vapor cloud fire. Flames high engulfed a -diameter area, destroyed four houses and damaged three others, burned 12 vehicles, and consumed of propane. (August 2, 1975) 1975 An ammonia pipeline ruptured in Texas City, Texas on September 3. 47 people needed medical treatment for ammonia exposure. 1975 On September 7, a gas gathering pipeline failed due to internal and external corrosion near Kilgore, Texas. Unodorized natural gas liquids from the leak were ignited by an automobile, killing 5 people. 1975 On September 19, flooding along the Amite River in Louisiana caused a 12-inch propane pipeline to break, releasing about 743,000 gallons of propane. 1975 On October 13, employees at a gas processing plant at Goldsmith, Texas heard leak gas, and investigated. Before the leak could be found, a 12-inch pipeline there exploded, killing 3 of the crew, injuring 2 others, and causing extensive plant damage. 1975 On December 18, a failed pressure relief device caused cracks in storage tanks supporting the Trans-Alaskan Pipeline System, leaking about 600,000 gallons of crude oil in Prudhoe Bay, Alaska. References Lists of pipeline accidents in the United States pipeline accidents 1975 in the environment 1975 in the United States