Mdy 1’, 978IN THE MATTER OF: R75~liMOTOR RACING NOISE REGULATIONS ) ORDER OF THE BOARD (by Mr.
Background Sound Level: The A-weighted sound level, measured
in accordance with the procedures specified in Rule l0~,whichis exceeded 90 percent of the time during the period of observation, during which sounds from motor racing facilitiesare inaudible.
Midget Racing Vehicle: A front engine, single seat, openwheel
racing car smaller and of lesser engine displacementthan standard cars of the type.
Oval racing facility: Any motor racing facility, upon which
is c...
Allowed
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