Wisconsin Administrative Code
Department of Natural Resources
NR 600-699 - Environmental Protection - Hazardous Waste Management
Chapter NR 661 - Hazardous Waste Identification And Listing
Subchapter C - Characteristics of Hazardous Waste
Section NR 661.0022 - Characteristic of corrosivity

Current through August 26, 2024

(1) A solid waste exhibits the characteristic of corrosivity if a representative sample of the waste has either of the following properties:

(a) It is aqueous and has a pH less than or equal to 2 or greater than or equal to 12.5, as determined by a pH meter using Method 9040C in "Test Methods for Evaluating Solid Waste, Physical/Chemical Methods," EPA Publication SW-846, as incorporated by reference in s. NR 660.11.

(b) It is a liquid and corrodes SAE 1020 steel at a rate greater than 6.35 mm per year at a test temperature of 55°C as determined by Method 1110A in "Test Methods for Evaluating Solid Waste, Physical/Chemical Methods," EPA Publication SW-846, and as incorporated by reference in s. NR 660.11.

(2) A solid waste that exhibits the characteristic of corrosivity has the EPA hazardous waste number of D002.

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