@article{,
      recid = {222622},
      title = {Risk management program guidance for ammonia refrigeration  (40 CFR part 68) [microform].},
      publisher = {U.S. Environmental Protection Agency, Office of Solid  Waste and Emergency Response, Chemical Emergency  Preparedness and Prevention Office,},
      address = {[Washington, D.C.?] :},
      number = {EPA 550-B-98-014},
      pages = {1 v. (various pagings) :},
      year = {1998},
      note = {Cover title.},
      url = {http://library.usi.edu/record/222622},
}