Williams CEO Alan Armstrong, left, and Williams Olefins Geismar plant manager Larry Bayer pause before answering questions during a news conference on Friday, June 14, 2013 in Gonzales,

 

              Williams CEO Alan Armstrong, left, and Williams Olefins Geismar plant manager Larry Bayer pause before answering questions during a news conference on Friday, June 14, 2013 in Gonzales,
Williams CEO Alan Armstrong, left, and Williams Olefins Geismar plant manager Larry Bayer pause before answering questions during a news conference on Friday, June 14, 2013 in Gonzales, La. after an explosion at the plant on Thursday. A second victim of an explosion at a Louisiana chemical plant died Friday, while federal authorities opened an investigation to determine the cause of the deadly blast. (AP Photo/The Baton Rouge Advocate, Arthur D. Lauck) (AP Photo/The Advocate, ) MAGS OUT; INTERNET OUT; NO SALES; TV OUT; NO FORNS; LOUISIANA BUSINESS INC. OUT (INCLUDING GREATER BATON ROUGE BUSINESS REPORT, 225, 10/12, INREGISTER, LBI CUSTOM); MANDATORY CREDIT