On October 31, 2003, EPA announced the availability of two guidance documents pertaining to the regional haze regulations: 1) Guidance for Estimating Natural Visibility Conditions Under the Regional Haze Program, and 2) Guidance for Tracking Progress Under the Regional Haze Rule. The purpose of the...
Court of Appeals for the Fifth Circuit should vacate the EPA's federal regional haze plan for Texas and Oklahoma rather than remand the rule for correction as the EPA has requested. The states' plans should be reinstated as a result they said. Barring that, Texas and the utilities asked ...
Jan. 14, 2024 Historically, Southern California has been plagued by smog, which forms when the region’s persistent sunlight interacts with vehicle exhaust and smokestack emissions. The region’s mountainous terrain confines this toxic haze over the region, rather than allowing it to disperse. Alt...
In addition to air emission and air quality data, EPA considers a number of other relevant factors when designating nonattainment areas,67and recommends that states apply these factors in their determinations in conjunction with other technical guidance. Examples of these factors include population densi...
EPA’s Air Sensor Toolbox for Citizen Scientists provides information and guidance on new low-cost compact technologies for measuring air quality. Citizens are interested in learning more about local air quality where they live, work and play. EPA’s Toolbox includes information about: Sampling met...
local and tribal permitting authorities have the discretion to apply this guidance on a case-by-case basis. The regulatory definition of “ambient air,” as stated in 40 CFR § 50.1(e) to mean “that portion of the atmosphere, external to buildings, to which the general public has access,...
EPA’s final regional haze rule lets emitters use cross-state rule trading instead of BARTA final rule from the Environmental Protection Agency to combatnhaze in national parks and historic sites is winning support from fossil-nfuel generators but raising concern among environmental groupsnfor ...
EPA gives approval to Regional Haze rulesASSOCIATED PRESS
The U.S. Environmental Protection Agency has issued thousands of regulations and enforcement actions under the authority of the Clean Air Act. But is this act constitutional?doi:10.1002/gas.22028HiserEric L.Natural Gas & Electricity
The purpose of the BART rule is to improve visibility at eight national parks and threewilderness areas located in the vicinity of NGS, including the Grand Canyon National Park.The EPA's February 2013 Proposal would require an emission control technology calledSelective Catalytic Reduction (SCR) to...