Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 721 - IDENTIFICATION AND LISTING OF HAZARDOUS WASTE
Subpart C - CHARACTERISTICS OF HAZARDOUS WASTE
Section 721.122 - Characteristic of Corrosivity
Universal Citation: 35 IL Admin Code ยง 721.122
Current through Register Vol. 48, No. 12, March 22, 2024
a) A solid waste exhibits the characteristic of corrosivity if a representative sample of the waste has either of the following properties:
1) 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 (pH Electrometric Measurement) in "Test Methods for the Evaluation
of Solid Waste, Physical/Chemical Methods", USEPA publication number
EPA-530/SW-846, incorporated by reference in 35 Ill. Adm. Code
720.111(a).
2) It is a liquid and corrodes steel (SAE
1020) at a rate greater than 6.35 mm (0.250 inch) per year at a test
temperature of 55 °C (130 °F), as determined by Method 1110A
(Corrosivity Toward Steel) in "Test Methods for the Evaluation of Solid Waste,
Physical/Chemical Methods", USEPA publication number EPA-530/SW-846,
incorporated by reference in 35 Ill. Adm. Code
720.111(a).
BOARD NOTE: The corrosivity characteristic determination currently does not apply to non-liquid wastes, as discussed by USEPA at 45 Fed. Reg. 33109, May 19, 1980 and at 55 Fed. Reg. 22549, June 1, 1990.
b) A solid waste that exhibits the characteristic of corrosivity has the USEPA hazardous waste number of D002.
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