@article{,
      note = {Distributed to depository libraries in microfiche.},
      url = {http://library.usi.edu/record/234677},
      title = {Manual for the certification of laboratories analyzing  drinking water criteria and procedures, quality assurance.  [microform] :},
      publisher = {U.S. Environmental Protection Agency, Office of Water,  Office of Ground Water and Drinking Water, Technical  Support Center,},
      number = {EPA 815-B-97-001},
      recid = {234677},
      pages = {1 v. (loose-leaf) :},
      address = {Cincinnati, Ohio :},
      year = {1997},
}