Corrosivity Characteristic

A material is considered "corrosive" if it meets any of the following criteria:

It has a pH of 2 or less (which is more acidic than a lemon).
It has a pH of 12.5 or more (which is more basic than ammonia).
It can corrode steel at a rate of more than 6.35 millimeters per year at 130 degrees Fahrenheit.

For example, battery acid has a pH of 1.8, making it acidic enough to be corrosive. Chlorine is another corrosive chemical. It can eat through stainless steel, wood, and other materials.

To learn more about RCRA visit our RCRA Hazardous Waste Safety Online Training web page.

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