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Glycol Ethers
On August 2, 2000, EPA redefined the Glycol Ethers category of the Clean Air Act. As described in the Federal Register FRL-6843-3, "this action deletes each individual compound in a group called the surfactant alcohol ethoxylates and their derivatives (SAED) from the glycol ethers category in the list of hazardous air pollutants (HAP)..." [More about the current definition]
On November 29, 2004, EPA amended "the list of hazardous air pollutants (HAP) contained in section 112(b)(1) of the Clean Air Act by removing the compound ethylene glycol monobutyl ether (EGBE) (2-Butoxyethanol) (Chemical Abstract Service (CAS) No. 111-76-2) from the group of glycol ethers" as described in the Federal Register FRL-7841-8.
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