Pneumoconiotic agents: Number of samples and percent of exposures exceeding designated occupational exposure limits by industry, MSHA inspector and mine operator and OSHA samples, 1993–2003
CIC - Census Industry Coden.e.c. - not elsewhere classifiedPEL - permissible exposure limitREL - recommended exposure limit MSHA - Mine Safety and Health AdministrationOSHA - Occupational Safety and Health Administration* includes all industries with no samples exceeding the REL or industries with less than 10 samples.† The % of samples exceeding the NIOSH REL for respirable quartz cannot be calculated using MSHA respirable coal mine quartz dust data.
Note: See appendices for source description, methods and agents.
Source: MSHA coal mine inspector and mine operator dust and quartz data and metal/nonmetal data. OSHA Integrated Management Information System.
