MEK to be deleted from TRI

Safe level was once 600 mg/m3.For those dilution-contracts that are contingent upon only MEK-air-dilution, looks like the companies selling the air diluters have lost a market segment.

Court stated the material, Methyl Ethyl Ketone 2-butanone, was not toxic and should be removed from the Toxic Release Inventory List. This means that this OSHA ruling would likely be affirmed.