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Abstract
The National Institute for Occupational Safety and Health (NIOSH) conducted a project called the National Occupational Health Survey of Mining (NOHSM) from 1984 to 1989. The NOHSM consisted of 491 mine surveys. The mines were selected so as to be statistically representative of the entire U.S. mining industry. At each mine, NIOSH employees obtained data regarding occupational hygiene programs, potential exposure to chemical and physical agents, and bulk dust samples. The NOHSM survey data have been automated in the NOHSM Query System. This system allows queries to be processed against the data collected during the NOHSM survey. The NOHSM Query System was developed to be user friendly so that end-users can process their own queries against the NOHSM data. This was accomplished by making the system key driven with on-line help, and simplifying the query formulation process by minimizing the selections. There are two steps in formulating a query. Step one is deciding which data to retrieve or how to retrieve the data (selection criteria). Step two is deciding what information to view once the query is processed (output variables). After the NOHSM Query System was developed, NIOSH began work on an integrated system called the National Occupational Health Information System (NOHIS). The purpose of the NOHIS is to establish a centralized repository for certain occupational safety and health data and to provide users with a single point of access to the data, which come from various sources including NIOSH, the Occupational Safety and Health Administration, and the Mine Safety and Health Administration. The NOHIS supports multiple ways for users to view the data. It also provides options for the user to browse the data, create a standard or custom report, and query the database by building a new query or using a previously saved query. Hale, J.M.; Groce, D.W.; Hearl, F.J.: National Occupational Health Survey of Mining Query System. Appl. Occup. Environ. Hyg. 10(4):274–282; 1995.