EntityQ21005· pop 15· linked from 124 articlesthreshold limit valueSign in to saveupper limit on the concentration in the air of a hazardous substance in the workplace, exposed on a long-term basis without adverse effectsConnectionsPermissible exposure limitEntityAnimaliaEntityhumanEntityFranklin D. RooseveltPersongasEntityInternational Standard Book NumberEntityheatEntityanalytical chemistryEntitysmokeEntityexperimentEntitylaboratoryEntitydustEntitynoiseEntitytoxicologyEntityionizing radiationEntitymolar massEntitycoldEntitymistEntityvibrationEntitytoxicityEntityCategoriesConcentration indicatorsOccupational safety and health