In addition to the amendments proposed by the Board,
the Illinois EPA requests that the Board also amend Part 900 as shown in Attachment A.
Please
note that Attachment A contains only the changes to 35 Ill.
(ANSI) or the Society ofAutomotive Engineers, Inc.
Adm.
Code 901.109, be
based on Leq averaging, as defined in 35 Ill. Adm. Code 902.120 through 902.123 provided thatcorrection factors are applied so that the sound levels so determined aresubstantially equivalent to those measured at 50 feet and the measurement4~ee does not excee d- 100 feet.
Allowed
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