POL Government Elected Officials Auditor Mary Hull Caballero Charter, Code and Policies City Code & Charter Online Code & Charter Title 18 Chapter 18.10  Maximum Permissible Sound Levels
18.10.050 Motor Vehicle Racing Events.

(Amended by Ordinance Nos. 159276, 164010, and 175772, effective August 1, 2001.)

A. No person shall operate or permit to be operated any motor vehicle racing within the City except at an area approved by the City.
B. All motor vehicle racing shall be conducted in a manner approved by the Noise Control Officer and/or the Noise Review Board, or the City Council.
C. For purposes of determining permissible sound levels of motor vehicle racing only, the Portland International Raceway shall be deemed an industrial land use zone of source, which use was in operation before January 1, 1977.  Sound levels generated by any other use of the Portland International Raceway shall meet the standards defined in 18.10.010 A., Figure 1.