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What is a hazardous substance?

OSHA developed the HAZWOPER Standard to protect emergency responders, site cleanup workers, and others who may be exposed to "hazardous substances." In the HAZWOPER regulations, OSHA defines "hazardous substances" to include four categories:

"CERCLA Hazardous Substances"
(Listed in 40 CFR 302.4)

The Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) authorizes US EPA to maintain a list of substances that can damage the environment if released. The list of CERCLA hazardous substances includes hundreds of substances, from acetone and ammonia to xylene and zinc.

"Hazardous Materials"
(As defined by 49 CFR 171.8)

The US Department of Transportation (DOT) defines a “hazardous material” as any substance or material that meets one or more of the criteria of a Hazard Class or Division described in 49 CFR 173, or any material that does not meet those criteria but DOT deems a hazardous material (e.g., Class 9).

"Hazardous Waste"
(As defined by 40 CFR 261.3)

Under the Resource Conservation and Recovery Act (RCRA), a hazardous waste is a waste that either:

Exhibits one or more hazardous waste characteristics (ignitability, corrosivity, reactivity, or toxicity), or
Is described on one of the lists of hazardous wastes in the RCRA regulations (F, K, P & U).

"Biological agents"
and "other disease-causing agents"

Agents "...which after release into the environment and upon exposure, ingestion, inhalation, or assimilation into any person...will or may reasonably be anticipated to cause death, disease, behavioral abnormalities, cancer, genetic mutation, physiological malfunctions, or physical deformation..."

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I really enjoy your workshops. Thank you for such a great program and all the help Lion has provided me over the years!

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Hazardous Material Pharmacy Technician

Excellent. I learned more in two days with Lion than at a 5-day program I took with another provider.

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HES Technician

Much better than my previous class with another company. The Lion instructor made sense, kept me awake and made me laugh!

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Brody Saleen

Registered Environmental Health Specialist

The course is well thought out and organized in a way that leads to a clearer understanding of the total training.

David Baily

Hazmat Shipping Professional

The course was very well structured and covered the material in a clear, concise manner.

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Hazmat Shipping Professional

Our instructor was very dynamic and kept everyone's interest. Hazmat shipping can be a dry, complicated topic but I was engaged the entire time.

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Senior Director of EH&S

I chose Lion's online webinar because it is simple, effective, and easily accessible.

Jeremy Bost

Environmental Health & Safety Technician

The instructor was energetic and made learning fun compared to dry instructors from other training providers.

Andy D’Amato

International Trade Compliance Manager

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