NOLA.com...According to the report, the facility released 31,187 pounds of volatile organic carbon material; 23,090 pounds of propylene; 2,398 pounds of ethylene; 5,621 pounds of other volatile organic carbon materials, including propane; and 48 pounds of benzene. Also released were 85 pounds of soot and particulate matter. The report said those are conservative estimates.
At the time of the accident, air monitoring did not detect harmful amounts of chemicals in the air, but residents were advised to "shelter in place" in their homes, with windows and doors shut, EPA officials said at the time. DEQ reported that monitoring on the day of the accident and the two days afterward found no unsafe levels of chemicals and that Williams Olefins reported its air monitoring also showed no measurable levels of chemicals in the air.
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