QJ 1420.6-1988 Work-related accidents classification and code: classification and code for injury methods of work-related accidents

QJ 1420.1-1988 Work-related accident classification and code: Nature of injury classification and code for work-related accidents QJ 1420.2-1988 Work-related accidents classification and code: Categories and codes of work-related accidents QJ 1420.3-1988 Work-related accident classification and code, classification and code of work-related accident cause QJ 1420.5-1988 Work-related accidents classification and code, work-related accident causative factor classification and code QJ 1420.7-1988 Work-related accident classification and code, classification and code of injury severity level of work-related accident injury QJ 1420.8-1988 Work-related accident classification and code, classification and code of severity of work-related accidents QJ 1420.9-1988 On-the-job accident classification and code: Classification and code for the consequences of work-related accidents QJ 1420.10-1988 On-the-job injury classification and code: On-the-job accidents include unsafe behavior classification and code QJ 1420.11-1988 Work-related accidents classification and code, Unsafe condition classification and code