PPM Parts Per Million. Pyrophoric materials ignite spontaneously in air. A Reproductive Toxin , such as vinyl chloride or PCBs, is a chemical which may cause birth defects or sterility. A Sensitizer is a chemical which may lead to the development of allergic reactions after repeated exposure. These values, which may differ from country to country, are often backed up by regulation and therefore may be legally enforceable.
Systemic poisons have an effect which is remote from the site of entry into the body.
TCSA Toxic Substances Control Act. A Teratogen is a chemical which may cause genetic mutations or malformations in the developing foetus. These values, which may differ from country to country, are often backed up by regulation and therefore may be legally enforceable. TSCA Acronym for Toxic Substances Control Act. A Vesicant is a chemical which, if it can escape from the vein, causes extensive tissue damage, with vesicle formation or blistering.