A survey of Kentucky fire departments was conducted to assess their respiratory protection practices, barriers to program implementation, and medical evaluation programs.  A 62% survey response rate was achieved.A 21-question survey assessing respiratory practices during the previous 12 months was mailed to all Kentucky fire departments.  All respondents indicated they were utilizing some type of respiratory protection, but only 37% indicated they had a written respiratory protection program.http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1997240/Identify the population for this survey. Identify the sample for this survey.