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Note: EPA no longer updates this information, but it may be useful as a reference or resource.

Please see www.epa.gov/nsr/ for the latest information on EPA's New Source Review program.

August 29, 1988 Transfer of Technology
in Determining Lowest Achievable Emission Rate (LAER) 26.5

(a) EPA supports transfer of control technology between source categories for the purpose of determining LAER for a source both for gas stream controls, and for process controls and modification.

(b) LAER is primarily an emissions unit determination; each emissions unit must achieve the lowest possible emission rate. "Facility-wide" LAER can be considered if some more effective LAER exists thereby. Three hurdles to determining "facility- wide" LAER are discussed.

(c) LAER can be considered individually for each aspect of control of a source, although reviewers must be aware that one decision affects the others.

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