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Toxic Chemicals

If you are a Massachusetts company looking for lists of regulated chemicals, you will find that information below. You'll also find environmental, health and safety research and details on specific chemicals that will help you make informed choices. View our chemical fact sheets or chemicals by name.

Chemical Lists
The TURA List All toxic or hazardous substances regulated under TURA and subject to reporting and planning requirements are compiled into one list on the MassDEP website.
Higher and Lower Hazard Lists The Higher Hazard Substance designation lowers the threshold for reporting, planning, and paying TURA fees to 1,000 pounds per year. The Lower Hazard Substance designation eliminates the per chemical fee. For more information, on Higher and Lower Substances, read this Fact Sheet.                                 
More and Less Hazardous Chemicals As an information resource for Massachusetts companies, the TURA Science Advisory Board has developed informational lists of "more and less hazardous chemicals". The TURA program draws upon these informational lists when choosing chemicals to designate as Higher Hazard Substances or Lower Hazard Substances.