chemical. Only two out of the four customers experienced symptoms. The incident caused Qdoba to close down temporarily. After the release of the individuals, Qdoba reopened. No action was taken by the individuals. See also List of Mexican restaurants References External links 1995 establishments in Colorado 2003 mergers and acquisitions 2017 mergers and acquisitions Apollo Global Management companies Companies based in Jefferson County, Colorado Companies based in San Diego Cuisine of the Western United States Fast casual restaurants Fast-food chains of the United States Fast-food franchises Fast-food Mexican restaurants Jack in the Box Restaurant chains in the United States Restaurants established in 1995 Restaurants in Colorado