On March 7, 2024, for public comment, the Board proposed amendments to keep Illinois’ hazardous waste regulations “identical in substance” to the federal regulations. The proposal reflects action taken by the United States Environmental Protection Agency (USEPA) during the second half of calendar years 2020 and 2021, as well as the first half of calendar year 2023. During these timeframes, USEPA updated its regulations for identifying ignitable hazardous waste, modernized test methods that currently require the use of mercury thermometers, harmonized its regulations on hazardous waste import-export recovery and disposal operations with new Canadian disposal code numbers and descriptions, and revised Method 23.
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