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On July 17, 2007, explosions and fire erupted at the Barton Solvents facility in Valley Center, Kansas, north of Wichita. The incident led to the evacuation of thousands of residents and resulted in projectile damage offsite, as well as extensive damage to the facility. The investigation concluded that the initial explosion occurred inside a agove-ground storage tank that was being filled with Varnish Makers' and Painters' (VM&P) naphtha. The findings of this report lead to recommendations to OSHA, ANSI and trade associations.