Amended by Ordinance No. 138468, effective July 3, 1974.) Upon notification by the authority as designated in Section 12.08.020 that an air pollution WARNING is in effect, the Mayor shall take the procedure as follows:
A. The Mayor shall notify Tri-Met or other mass transit that air pollution WARNING is in effect and that additional bus service may be required.
B. The Mayor shall release a statement to the news media which will contain the basic information as follows:
1. Basic information to be provided in the press release will be the air pollution measurement level, that voluntary controls have not succeeded in regulating the carbon monoxide levels, that it is necessary to institute involuntary action, that the present level of carbon monoxide could have an adverse effect on the health of the general population; that at 9:00 a.m. to 7:00 p.m., on each day during such time as the warning is in effect, public work crews will place barricades on all streets into the traffic control area, which area is bounded by West Burnside, S.W. Front, S.W. Clay and S.W. 13th Streets in downtown Portland; N.E. Weidler, N.E. Holladay, N.E. 16th Avenue, N.E. Grant Avenue in the Lloyd Center area, after which time only authorized vehicles will be permitted to enter the area, through-traffic will be permitted on the above-named perimeter streets, that the police will enforce the prohibition against entry into the traffic control area and violators will be subject to arrest.
C. The Mayor will encourage the news media to cooperate in keeping the public well informed, and will request DEQ to provide the news media with the pollution levels.
D. The Mayor shall order the chief of police and the City Traffic Engineer to place in effect traffic control measures so as to prohibit entry of all motorized vehicles except authorized vehicles after 9:00 a.m. to 7:00 p.m., to the traffic controlled area during such time as the air pollution WARNING continues to exist. The Mayor hereby is authorized to erect barricades or place police to control entry to the traffic control area so as to limit all motorized vehicles, except authorized vehicles through the traffic control area after 9:00 a.m. to 7:00 p.m., during any day that the air pollution condition WARNING continues to exist.