Hazardous substances consist of CERCLA hazardous substances, pollutants, and contaminants as defined in CERCLA sections 101(14) and 101(33), except as otherwise specifically noted in the HRS.
Any substance which is explosive, flammable, corrosive, toxic or oxidises other materials. For the Waikato Regional Plan definition, click here.
The words "Hazardous Substances" mean materials that, because of their quantity, concentration or physical, chemical or infectious characteristics, may cause or pose a present or potential hazard to human health or the environment when improperly used, treated, stored, disposed of, generated, manufactured, transported or otherwise handled.
Under CERCLA, hazardous substances comprise a broad range of legally defined substances, including: toxic pollutants and hazardous substances designated by the Clean Water Act; hazardous air pollutants under the Clean Air Act; substances designated under CERCLA that may present a substantial danger to public health or the environment; hazardous wastes defined under RCRA; and imminently hazardous chemical substances or mixtures addressed under the Toxic Substances Control Act. EPA has published a list of CERCLA hazardous substances in the Code of Federal Regulations. Hazardous substances do not include petroleum products (such as oil) or natural gas.
are potentially volatile or combustible solids, liquids or gases that represent a hazard to human health (cited in the OBC, Appendix A 3.3.1.2. (1). Hazardous substances may not be stored in basements or rooms other than those designed to accommodate them.
Any substance that has the potential to harm the health of persons in the workplace and includes chemicals scheduled under the Poisons Act, chemicals classified under the Dangerous Goods Act (1975) or Hazardous Wastes.
The Control of Substances Hazardous to Health (COSHH) Regulation 1995 cover a wide range of chemical and other substances. They require employers to identify and assess risks, prevent or reduce exposure, implement controls, instruct, inform and train employees and others, and carry out surveillance on employees. There are further specific requirements for biological agents (mostly micro-organisms) and carcinogens (substances which may cause cancer).
Substances that would cause injury or adverse effects under specified conditions (EPA 1997).