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Safety

Security Dispute Reaches Congress

Bayer admits using security law to block public access to chemical accident information

by Jeff Johnson
April 27, 2009 | APPEARED IN VOLUME 87, ISSUE 17

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Credit: Benjamin Myers
Bresland (from left), Buckner, Bayer Vice President Nick Crosby, and U.S. Coast Guard Rear Adm. James Watson converse after the hearing.
8710notw6_CSB.jpg
Credit: Benjamin Myers
Bresland (from left), Buckner, Bayer Vice President Nick Crosby, and U.S. Coast Guard Rear Adm. James Watson converse after the hearing.

BAYERCROPSCIENCE USED antiterrorism security regulations to keep the public from knowing details about a cascade of failures that led to an explosion and fire as well as the deaths of two workers at its Institute, W.Va., chemical facility last year, the company admitted at a congressional hearing on April 21.

The company has been embroiled in a dispute with the Chemical Safety & Hazard Investigation Board (CSB) over what information the independent federal board can tell the public about the Aug. 28, 2008, accident (C&EN, April 20, page 36). Bayer had identified some 2,000 documents as possibly "sensitive security information" (SSI), a classification that restricts CSB's ability to make them public, according to a report by the House Energy & Commerce Subcommittee on Oversight & Investigations.

At a subcommittee hearing last week, William Buckner, president and CEO of Bayer CropScience, said in a prepared statement that Bayer was invoking SSI in part "to limit negative publicity generally about the company or the Institute facility, [and] to avoid public pressure to reduce the volume of MIC [methyl isocyanate] that is produced and stored at Institute by changing to alternative technologies or even calls by some in our community to eliminate MIC production entirely."

In 1984, the accidental release of MIC led to thousands of deaths in Bhopal, India, but at the hearing, Bayer defended its storage of MIC, saying it is used in four of the company's processes and is amply protected.

CSB's preliminary investigation found that the accident was due to a runaway reaction in the methomyl pesticide unit, which uses MIC as a feedstock. Contributing to the accident was Bayer's decision to bypass three safety locks during unit start-up. MIC air monitors near the unit were also not working.

CSB Chairman John Bresland told the subcommittee that the accident could have been much worse. The explosion sent a 5,000-lb vessel flying 50 feet north through a maze of steel beams and pipes; if it had flown south, it would have hit a storage tank holding 7 tons of MIC, he said. Bayer, Bresland added, is the only U.S. company that continues to store large quantities of MIC.

Rep. Bart Stupak (D-Mich.), subcommittee chairman, tells C&EN he intends to modify plant security laws to restrict companies' use of SSI designations.

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