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  • 2020-11-12

    Applicable law, case no. 02-296

    This document outlines Washington State campaign finance laws related to political contributions, coordination, and reporting requirements. It defines when an expenditure made by a third party counts as a campaign contribution — particularly when made in coordination with a candidate or political committee — and sets out registration and disclosure deadlines for political committees. These rules govern how campaigns and political organizations must track and report donations and spending.

  • Washington Administrative Code WAC 173-60-050 Noise Exemptions

    Exemptions. (1) The following shall be exempt from the provisions of WAC 173-60-040 between the hours of 7:00 a.m. and 10:00 p.m.: (a) Sounds originating from residential property relating to temporary projects for the maintenance or repair of homes, grounds and appurtenances. (b) Sounds created by the discharge of firearms on authorized shooting ranges. (c)
  • 1992-01-23

    WAC 246-366-110: Sound control

    WAC 246-366-110 sets sound control standards for Washington State school classrooms, requiring that background noise in new construction not exceed NC-35 on the noise criterion curve, with actual noise levels capped at 45 dBA during normal operation. Industrial and vocational classrooms have separate limits, with ambient noise not to exceed 65 dBA when exhaust systems are running. In music and vocational education areas, student noise exposure is strictly regulated by duration, and hearing protection must be provided if exposure limits are exceeded.

  • Washington Administrative Code WAC 173-60-040 Maximum permissible environmental noise levels

    Maximum permissible environmental noise levels. (1) No person shall cause or permit noise to intrude into the property of another person which noise exceeds the maximum permissible noise levels set forth below in this section. (2)(a) The noise limitations established are as set forth in the following table after any applicable adjustments provided for herein
  • 1975-09-01

    WAC 173-60-040 and WAC 173-60-090: Maximum permissible environmental noise levels and enforcement policy

    Washington State law (WAC 173-60-040) sets maximum allowable noise levels based on the zoning class of both the noise source and the receiving property, ranging from 55 to 70 dBA, with nighttime limits reduced by 10 dBA for residential areas between 10 p.m. and 7 a.m. Short-duration noise spikes are permitted, allowing up to 15 dBA above the limit for no more than 1.5 minutes per hour. Enforcement is complaint-driven, measured at the receiving property, and each 24-hour period of violation counts as a separate offense under RCW 70.107.050.