The Massachusetts Department of Public Health, Bureau of Environmental Health, (MDPH/BEH), Environmental Toxicology Program seeks proposals from qualified applicants for conducting statistical analyses of Logan Airport Health Survey data. The survey data were collected using complex survey design as part of an environmental health study to assess the prevalence of certain health outcomes among residents living in communities within a 5-mile radius of Logan Airport with the aim of determining the possible relationship between opportunities for environmental exposure to activities at Logan Airport, and the health outcomes of interest, which include acute and chronic respiratory, cardiovascular, and auditory endpoints.