This concise, practical handbook provides you with an essential A-Z reference to the 100 most commonly encountered toxic substances, their nature, sources, routes of exposure, safe limits, precautions to take, clinical signs and symptoms of toxicity, guidelines for immediate management, treatment and referral following exposure. * The consistent presentation, use of colour, tables and icons and A-Z format helps you to find important, key information at a glance. * In handbook and mobile formats, you can access the information at anytime quickly at the point of care. * Only the 'need to know information' is presented on only the most commonly encountered toxic substances. * Comprehensive coverage from safe levels, physico-chemical properties and precautions through to clinical signs, symptoms, treatment and referral following exposure. This book is an essential and constant handbook for all junior doctors, emergency care staff, first aid workers, and a key reference source for those working in public health, environmental medicine, health protection and health and safety in industry.