McCraren Compliance

Understanding HAZWOPER

What’s the spill amount that triggers OSHA HAZWOPER requirements?

A worker cleaning up a spill under HAZWOPER regulations.

Responding is Tricia Hodkiewicz, compliance expert, J. J. Keller & Associates Inc., Neenah, WI.

This is a trick question! The truth is you won’t find a trigger amount in OSHA’s standard on hazardous waste operations and emergency response (1910.120). Instead, when it comes to spills (technically called releases), you’ll discover that the HAZWOPER standard applies to “emergency response operations for releases of, or substantial threats of releases of, hazardous substances without regard to the location of the hazard.”

What does that mean? Spills without emergency consequences aren’t covered by the emergency response provisions of the standard, according to OSHA. In plain language, anything short of needing an emergency response would be considered an “incidental spill” and not fall under the HAZWOPER standard. On the other hand, HAZWOPER would kick in for any release that goes beyond incidental.

What’s the difference?

To figure out if your spill is regulated at 1910.120, you want to understand the fundamental difference between two terms:

Emergency response:

Incidental spill:

The size of the spill matters, but …

The spill volume doesn’t, by itself, prompt an emergency response. In fact, OSHA makes clear that the agency never intended to define an emergency condition in terms of an arbitrary size. OSHA argues that work environments and chemical types and uses vary widely. So, you’ll examine several pieces of the puzzle to decide if an emergency response is warranted, such as:

Ultimately, it’s not just about spill size – it’s a judgment call based on a combination of factors.


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Original article published by Safety+Health an NSC publication

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