Danvers: Dr. Scott Daivs, vice president of explosion and fire safety at GexCon US, a company hired to conduct an investigation of the 2007 CAI Chemical Plant explosion in Danversport, explains the conclusions of his investigation during a presentation hosted by CAI at the Sheraton Ferncroft in Danvers on Wednesday. Through his work, Dr. Davis was unable to reach a singular conclusion as to the cause of the explosion, but admitted that avenues existed for further examination, though CAI has decided to discontinue the investigation. Photo by Matthew Viglianti/Staff Photographer Wednesday, May 27, 2009.

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