Laboratory Safety Standard 29 CFR 1910.1450 (OSHA) Health Hazard Criteria 29 CFR 1910.1200 App A Physical Hazard Criteria 29 CFR 1910.1200 App B Hazard Symbols and Labels 29 CFR 1910.1200 App C Prudent Practices in the Laboratory NIOSH Pocket Guide to Hazardous Chemicals Anonymous Reporting Hotline