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Higher Hazard Substances

The goal of designating some toxic chemicals as Higher Hazard Substances is to help Massachusetts companies and communities focus their toxics use reduction efforts on those chemicals that pose the most serious threats to health and the environment. For more information on Higher and Lower Hazard Substances, read this Fact Sheet.

The Higher Hazard Substance designation lowers the threshold for reporting, planning, and paying TURA fees to 1,000 pounds per year. Persistent, bio-accumulative, and toxic (PBT) substances, as defined by EPA, which have lower reporting thresholds, are also automatically designated as Higher Hazard Substances.

TURA Designated Higher Hazard Substances
Effective for Reporting Year
Trichloroethylene (TCE) 2008
Cadmium 2008
Cadmium Compounds 2008
Perchloroethylene (PCE or perc) 2009
Hexavalent chromium compounds 2012
Formaldehyde 2012
Methylene chloride 2014
1-Bromopropane (n-Propyl Bromide or nPB) 2016
Hydrogen Fluoride 2016
Cyanide compounds 2016
Dimethylformamide (DMF) 2016
2,4-Toluene diisocyanate 2017
2,6-Toluene diisocyanate 2017
Toluene diisocyantate mixed isomers 2017

Persistent, bio-accumulative, and toxic (PBT) substances, as defined by EPA, are also automatically designated as Higher Hazard Substances.

PBTs  Automatically Higher Hazard Substances
Aldrin Benzo(g,h,i)perylene Chlordane
Heptachlor Hexachlorobenzene Isodrin
Lead and lead compounds Mercury and mercury compounds Methoxychlor
Octachlorostyrene Pendimethalin Pentachlorobenzene
Polychlorinated biphenyl Tetrabromobisphenol Toxaphene
Trifluralin Dioxin and dioxin-like compounds Polycyclic aromatic compounds

More information on PBTs can be found at the World Health Organization’s International Agency for Research on Cancer and the U. S. Department of Health and Human Services’ National Toxicology Program.

Information Available
Information prepared by the TURA Program, as well as Federal and State departmentsagencies, is available on this web site for each of the Higher Hazard Substances. This information includes:

EH&S factors
Exposure routes
Worker safety
Regulatory context