Search results
Results From The WOW.Com Content Network
PM 2.5 AQI of US monitors, calculated utilizing NowCast, courtesy US EPA PM2.5 AQI map, calculated utilizing NowCast, courtesy US EPA. The PM (particulate matter) NowCast is a weighted average of hourly air monitoring data used by the United States Environmental Protection Agency (USEPA) for real-time reporting of the Air Quality Index (AQI) for PM (PM 10 - particles less than 10 micrometers ...
For premium support please call: 800-290-4726 more ways to reach us
Metro areas with a population of more than 350,000 have to report air quality data on a daily basis, while other locales simply do so as a public service. The AQI measures air quality based on ...
[5] [6] Shortly afterwards, on 22 September 2021, for the first time since 2005, [7] the WHO, after a systematic review of the accumulated evidence, adjusted their air quality guidelines whose adherence "could save millions of lives, protect against future diseases and help meet climate goals". [8] [1]
1965 – Motor Vehicle Air Pollution Control Act; 1965 – Solid Waste Disposal Act (amended by RCRA in 1976) 1967 – California Air Resources Board established; set emissions standards predating EPA. 1967 – Air Quality Act (amendment to CAA) 1969 – Federal Coal Mine Health and Safety Act; 1969 – National Environmental Policy Act (NEPA)
It is licensed to Woodburn, Oregon, and serves the Portland metropolitan area. It is owned by Bustos Media, through licensee Bustos Media Holdings, LLC. By day, KWBY is powered at 10,000 watts, using a non-directional antenna. But to protect other stations on 940 AM from interference, at night it greatly reduces power to 200 watts.
Summary of changes to the hours of service Year Enforced: Driving Hours: On-Duty Hours: Off-Duty Hours: Minimum Duty Cycle: Maximum Hours On-Duty Before 30 Minute Rest Break: 1938 12 15 9 24 None 1939 10 None 8 24 None 1962 10 15 8 18 None 2003 1: 11 14 10 21 None 2013 1: 11 14 10 34 [7] 8 1 Applies to property-carrying vehicles only.
In 1903, the state government created the Oregon State Public Health Laboratory. [1] The state created State Sanitary Authority in 1938 as part of the State Board of Health, with the Sanitary Authority becoming an independent agency in 1969 as the Department of Environmental Quality. [2]