On this day in labor history, the year was 1973.
That was the day the worst industrial disaster in Staten Island took place.
Staten Island housed the world’s largest Liquefied Natural Gas storage tank.
The Texas Eastern Transmission Corporation owned the tank and operated a pipeline system that stretched from Texas to the East Coast.
The tank measured 272 feet across and was as tall as an 11-story building.
When leaks were suspected, the company had the tank emptied and shut down.
Workers had been repairing the torn Mylar insulation in the tank’s liner for months.
But then, vapors released during the repair process ignited the lining.
This created extreme temperature and pressure rise, which caused an explosion inside the tank.
The entire 6” thick concrete dome covering the tank immediately crumbled and rained down on workers inside.
Concrete and Excavating Laborers Local 731 reported that 40 workers and 3 safety inspectors were inside at the time.
None of them survived.
The explosion caused a massive crater.
Smoke billowed out for over five hours.
Investigations revealed that nitrogen, Freon 11 and oxygen, and not LNG, caused the explosion. But the cause was never determined.
Some 25 years later, the New York Planning Board began re-evaluating a moratorium on LNG facilities, in place since 1978.
They concluded that: "The government regulations and industry operating practices now in place would prevent a replication of this accident.
The fire involved combustible construction materials and a tank design that are now prohibited.
Although the exact causes may never be known, it is certain that LNG was not involved in the accident and the surrounding areas outside the facility were not exposed to risk."
April 2 - Trouble in the Sweetest Place on Earth
April 1 - The Promise of 1946
March 31 - Hospital Workers Stand United
March 30 - 15th Amendment Adopted
March 29 - West Coast Hotel v Parrish Decided
March 28 - Partial Meltdown at Three Mile Island
March 27 - FE Strikers Battle Police at Harvester
March 26 - Police Attack UE Amid ‘46 Strike Wave
March 25 - Centralia Coal Mine #5 Explodes
March 24 - Exxon Valdez Runs Aground
March 23 - Texas City Refinery Explosion Kills 15
March 22 - ERA Passes the Senate
March 21 - Truman Signs Loyalty Order
March 20 - Another Deadly Explosion
March 19 - Wartime President Pushes for Labor Peace
March 18 - Wartime Workers Betrayed
March 17 - The Hoggs Hollow Tragedy
March 16 - Big Bill Haywood Talks General Strike
March 15 - The Grapes of Wrath Opens in Theaters
March 14 - Remembering Walter Crane
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