This transmittal of information is to be accomplished by means of comprehensive hazard communication programs, which are to include container labeling and other forms of warning, material safety data sheets and employee training. The science that deals with the quantitative effects of chemicals or toxicants on living systems. Applicable to all occupations where chemicals are used. Quantitatively all chemicals are poisonous. Dose vs Exposure Dose is the amount of a substance that was actually taken into the body.
Exposure is the amount of a substance that an individual came into contact with.
Exposure is much easier to measure, therefore, calculations in the field of toxicology are based on a person's exposure rather than the actual dose they received. It is usually the result of eating, drinking, smoking, etc., in places where chemicals are being used. In most cases there is no excuse for chemical poisoning through this route of entry. It emphasizes the need to wash hands thoroughly after using chemicals. Good common sense will usually prevent poisoning via this route.