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The South Coast Air Quality Management District, also using the acronym South Coast (AQMD), formed in 1976, is the air pollution agency responsible for regulating stationary sources of air pollution in the South Coast Air Basin and the Coachella Valley portion of the Salton Sea Air Basin, in Southern California.
Initially, the SCAB had four air-quality management agencies, one for each of the four counties. In 1977, the legislature merged these four agencies into the South Coast Air Quality Management District—South Coast AQMD. [3] The SCAB is the smoggiest region of the U.S., and the South Coast AQMD provides hourly reports throughout the district. [4]
An estimated 700,000 pool heaters in Southern California will have to switch to electric from gas under the South Coast AQMD's new rule. (Ricardo DeAratanha / Los Angeles Times)
Atmospheric dispersion modeling is the mathematical simulation of how air pollutants disperse in the ambient atmosphere.It is performed with computer programs that include algorithms to solve the mathematical equations that govern the pollutant dispersion.
An individual score (Individual Air Quality Index, IAQI) is calculated using breakpoint concentrations below, and using same piecewise linear function to calculate intermediate values as the US AQI scale. and The final AQI value can be calculated either per hour or per 24 hours and is the max of these six scores.
The U.S. Environmental Protection Agency awarded Southern California air regulators nearly $500 million in federal funding to electrify the region's bustling goods movement, the largest grant the ...
Due to its classification as VOC exempt, dimethyl carbonate has grown in popularity and applications as a replacement for methyl ethyl ketone (MEK) and other solvents. tert-Butyl acetate is used as a solvent in the production of lacquers, enamels, inks, adhesives, thinners and industrial cleaners. [10] [11] It also gained EPA VOC exempt status.
Over the past four years, the Trump administration has destroyed or distorted vast swaths of information vital to public life and safety. This is an account of the damage.