Toxicology and Poisoning, Sub Specialty and Esoteric Toxicology and Poisoning Sub Specialty and Esoteric Ammonia Arsine (Arsenic)  Benzene Chlorinated Dibenzo-p-Dioxins (CDDs) - ATSDR Factsheet Dioxin Research at the National Institute of Environmental Health Sciences (NIEHS)  Ethylene Oxide Formaldehyde Hydrogen Fluoride Hydrogen Peroxide Hydrogen Sulfide NFPA Chemical Hazard Label Identification - ATSDR Methyl Bromide Most Common Poisons, Adult and Children - National Capital Poison Center  Natural Hazards Center at the University of Colorado, Boulder Phenol Phosgene Phosphine and Phosphide Poisonous Plants - National Capital Poison Center Toluene Toxicological Profile Information Sheet, A, B & C - ASTDR Toxicological Profile Information Sheet, D, E & F - ASTDR Toxicological Profile Information Sheet, G, H & I - ASTDR Toxicological Profile Information Sheet, J, K & L - ASTDR Toxicological Profile Information Sheet, M, N & O - ASTDR Toxicological Profile Information Sheet, P, Q, R & S - ASTDR Toxicological Profile Information Sheet, T, U & V - ASTDR Toxicological Profile Information Sheet, W, X, Y & - ASTDR Toxicological Profiles, Under development as "draft for public comment", CERCLA 15 - ASTDR Toxicological Profiles, Under development as "draft for public comment", CERCLA 16 - ASTDR     Xylene Updated 03/12/03