1. Odor as an aid to chemical safety: odor thresholds compared with threshold limit values or volatilities for 214 industrial chemicals in air and water dilution;Amoore;J. Appl. Toxicol.,1983
2. Toxicological Profile for Polychlorinated Biphenyls (PCBs). Atlanta, GA: U.S,2000
3. Polycyclic Aromatic Hydrocarbons (PAHs). What Health Effects Are Associated with PAH Exposure?,2011
4. What makes silica toxic?;Bagchi;Br. J. Ind. Med.,1992
5. NIOSH Pocket Guide to Chemical Hazards,2007