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What community wants to host an oil refinery on the Atlantic Coast? Come on, raise your hand.
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The Washington Post
August 29, 2017

ExxonMobil refineries are damaged in Hurricane Harvey, releasing hazardous pollutants

By Steven Mufson

ExxonMobil acknowledged Tuesday that Hurricane Harvey damaged two of its refineries, causing the release of hazardous pollutants.

The acknowledgment, in a regulatory filing with the Texas Commission on Environmental Quality, follows repeated complaints on Twitter of an “unbearable” chemical smell over parts of Houston. However, it was not immediately clear what caused the smell.

ExxonMobil said in the filings that a floating roof covering a tank at the company’s Baytown oil refinery sank in heavy rains, dipping below the surface of oil or other material stored there and causing unusually high emissions, especially of volatile organic compounds, a category of regulated chemicals.

The Baytown refinery is the second-largest in the country. The company said in its filing that it would need to empty the tank to make repairs, though it wasn’t clear when the weather would permit that.

An ExxonMobil spokeswoman said the company would “conduct an assessment to determine the impact of the storm once it is safe to do so.” It would not say what was in the tank.

At the company’s Beaumont petrochemical refinery, Harvey damaged a sulfur thermal oxidizer, a piece of equipment that captures and burns sulfur dioxide. As a result, the plant released 1,312.84 pounds of sulfur dioxide, well in excess of the amounts allowed by the company’s permits.

“The unit was stabilized. No impact to the community has been reported,” the company said in its filing. “Actions were taken to minimize emissions and to restore the refinery to normal operations.”

A variety of other chemicals was emitted during the shutdown of the plants. Amy Graham, a spokeswoman for the Environmental Protection Agency, said that ExxonMobil had filed a report at the National Response Center operated by the U.S. Coast Guard saying the Baytown refinery would release about 15 pounds of benzene into the air.

“Most of the unauthorized emissions come from the process of shutting down, and then starting up, the various units of the plant, when pollution control devices can’t be operated properly and there’s lots of flaring,” said Luke Metzger, director of the group Environment Texas.

Flaring is generally done when releasing chemicals without burning them is more hazardous for people and the environment. ExxonMobil said it had flared hazardous materials at its Baytown refinery Sunday and Monday.

Most of the other facilities belonging to major companies also filed notices with the Texas Commission on Environmental Quality. Chevron Phillips, for example, said that it expected its Cedar Bayou chemical plant to exceed permitted limits for several hazardous pollutants, such as 1,3-butadiene, benzene and ethylene, during shutdown procedures.

Environment Texas and the Sierra Club sued ExxonMobil in 2010 alleging that the company’s Baytown complex had emitted 8 million pounds of hazardous chemicals over a five-year period. A federal judge imposed a $20 million penalty on the company.

“Any release of carcinogens (like benzene, 1,3-butadiene) adds to the increased cancer risk for those living near these plants,” Metzger said in an email. He said that large releases of nitrogen oxides or sulfur dioxide “and other respiratory irritants adds to the respiratory problems people in the area suffer from at high rates.”

Separately, the Houston Chronicle reported that there was a chemical leak from a pipeline that ruptured in La Porte, Texas on Monday. Local authorities urged residents to stay inside. The warning applied to people living as far away as Shoreacres and Baytown. The warning was later lifted.

The Energy Department said that all six oil refineries in the Corpus Christi area, seven oil refineries in the Houston and Galveston area, and one refinery in the Beaumont/Port Arthur area were shut down or in the process of shutting down. The idle refineries have a capacity of 3.2 million barrels a day, equal to a third of Gulf coast capacity and 17.6 percent of total U.S. refining capacity. Further closures are likely as the storm moves east into Louisiana, where there is another 1.65 million barrels a day of oil refining capacity.

The logjam of tankers and trucks was adding to woes. Valero, which had closed its two refineries in the Corpus Christi area, said it was looking to reopen the facilities but that damaged pipeline, port and transportation infrastructure could delay re-openings.

Bloomberg News reported that Marathon said it was closing its Galveston Bay refinery because it was running out of crude, which could not be delivered because of port closures.

Gasoline prices for September delivery also rose amid signs that the Gulf’s woes could spread. The Colonial Pipeline, the main link between the heart of the nation’s oil and gas industry and consumers in the northeast, said that supplies of refined petroleum products from the Houston area had been disrupted.

https://www.washingtonpost.com/news/energy-environment/wp/2017/08/29/exxonmobil-refineries-damaged-in-hurricane-harvey-releasing-hazardous-pollutants/?utm_term=.7b908f4ea8b4