Services chemical hazards physical hazards biological hazards controls training CHEMICAL HAZARDS Hypex Group has experience in the identification, assessment and control of chemical hazards including, but not limited to: Respirable crystalline silica Asbestos Welding fume and other hot works Illegal clandestine drug laboratories Hazardous chemicals, including dangerous goods Confined spaces Volatile organic compounds (e.g. benzene, toluene, ethyl benzene and xylenes) Polycyclic aromatic hydrocarbons (e.g. naphthalene, benzo(a)pyrene) Diesel particulate matter and associated gas emissions Acids (e.g. sulphuric acid)