Crews released toxic chemicals into the air from five derailed tanker cars that were in danger of exploding Monday and began burning it after warning residents near the Ohio-Pennsylvania state line to leave immediately or face the possibility of death.
\nFlames and black smoke billowed high into the sky from the derailment site late in the afternoon, about an hour after authorities said the controlled release would begin.
\nThe slow release of vinyl chloride from five rail cars into a trough that was then ignited created a large plume above the village of East Palestine but authorities said they were closely monitoring the air quality.
\n\u201cThus far, no concerning readings have been detected,\u201d Pennsylvania Gov. Josh Shapiro said at a brief evening news conference about three hours after the venting and burning procedure began.
\nHowever, he urged Pennsylvania residents within a 2-mile (3.2 kilometer) radius of the derailment site to shelter in place and keep their doors and windows closed through the evening as a precaution in case of wind shifts.
\nShapiro also said he had spoken to President Joe Biden, who had offered \u201cthe full support of the federal government\u201d to Pennsylvania and Ohio.
\nOhio Gov. Mike DeWine earlier ordered evacuations in the area of the derailment that has been smoldering since Friday night. Authorities believed most, if not all, residents in the danger zone had left but they were knocking on doors one more time before releasing the vinyl chloride inside the cars, he said.
\n\u201cYou need to leave, you just need to leave. This is a matter of life and death,\u201d DeWine said at news conference.
\nOfficials warned the controlled burn would send phosgene and hydrogen chloride into the air. Phosgene is a highly toxic gas that can cause vomiting and breathing trouble and was used as a weapon in World War I.
\nScott Deutsch of Norfolk Southern Railway earlier said doing this during the daytime would allow the fumes to disperse more quickly and prevent the rail cars from exploding and sending shrapnel and other debris from flying through the neighborhood.
\n\u201cWe can\u2019t control where that goes,\u201d he said.
\nThe process involves using a small charge to blow a hole in the cars, allowing the material to go into a trench and burning it off before it\u2019s released in the air, he said. The crews handling the controlled release have done this safely before, Deutsch said.
\nAbout three hours into the procedure, Norfolk Southern Railway issued a statement saying that experts and first responders had breached the rail cars, chemicals were burning off and the cars were expected to drain for several more hours.
\nThe site is very close to the state line, and the evacuation area extends into a sparsely populated area of Pennsylvania. About half of the 4,800 residents in East Palestine had been warned to leave over the weekend before officials decided on Monday to use the controlled release.
\nShapiro said the evacuation zone includes about 20 Pennsylvania residences. Pennsylvania State Police went door-to-door to assist the last remaining residents and ensure they leave.
\nShapiro later said he\u2019d been told that residents with a mile (1.6 kilometers) of the controlled burn had left.
\nForced evacuations began Sunday night in East Palestine after authorities became alarmed that the rail cars could explode after a \u201cdrastic temperature change\u201d was observed in a rail car.
\nResidents were packing overnight bags, loading their pets into cars and searching for hotel rooms Monday morning. Police in the village moved out of their communication center as the threat of an explosion increased.
\nPolice cars, snow plows and military vehicles from the Ohio National Guard blocked streets leading into the area.
\nAbout 50 cars, including 10 carrying hazardous materials, derailed in a fiery crash Friday night, according to rail operator Norfolk Southern and the National Transportation Safety Board. No injuries to crew, residents or first responders were reported.
\nFive were transporting vinyl chloride, which is used to make the polyvinyl chloride hard plastic resin in plastic products and is associated with increased risk of liver cancer and other cancers, according to the federal government\u2019s National Cancer Institute
\nFederal investigators say the cause of the derailment was a mechanical issue with a rail car axle.
\nThe three-member train crew received an alert about the mechanical defect \u201cshortly before the derailment,\u201d Michael Graham, a board member of the NTSB, said Sunday. Investigators identified the exact \u201cpoint of derailment,\u201d but the board was still working to determine which rail car experienced the axle issue, he said.
\nMayor Trent Conaway, who declared a state of emergency in the village, said one person was arrested for going around barricades right up to the crash. He warned people to stay away and said they\u2019d risk arrest.
\n\u201cI don\u2019t know why anybody would want to be up there; you\u2019re breathing toxic fumes if you\u2019re that close,\u201d he said.<\/p>\n
Apnews<\/p>\n
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