US EPA clarifies emissions rule for ethylene plants
13 April 2005 23:48 [Source: ICIS news]
WASHINGTON (CNI)--The US Environmental Protection Agency (EPA) issued final amendments Wednesday to clarify parts of the national emission standards rule issued in July 2002 governing ethylene manufacturing units.
Those national emission standards are part of the maximum achievable control technology (MACT) standards first promulgated in June 1999 under the Clean Air Act (CAA).
Warren Johnson, the EPA official responsible for today’s amendments, said the final rule is a “housekeeping” measure meant to “satisfy some of the implementation concerns leading to the MACT implementation date this July.”
The emission standards for ethylene plants as published in July 2002 “didn’t quite join up in places,” Johnson said, “so some clarifications were needed.”
Although published today as a “final rule,” the regulation also is published as a “proposed rule,” which invites public comment on the matter, Johnson noted. He said EPA does not expect any comment on these amendments because they are viewed as non-controversial. If no comments are made, the final rule amendments will stand as published today, he said.
Among other things, the rule clarifies compliance requirements for benzene waste streams, clarifies the requirements for heat exchangers and heat exchanger systems and stipulates provisions for offsite waste transfer in the national emission standards for ethylene manufacturing process units.
The complete final rule amendments can be obtained from EPA under docket number OAR-2004-0411.
By: Joe Kamalick
+1 713 525 2653
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