[DOC] [TLE] Six Common Air Pollutants | Air & Radiation | US EPA [PAR] Feb 29, 2016 ... Six Common Air Pollutants (aka Criteria Air Pollutants) has Moved. This web site 
has been updated and moved to. www.epa.gov/criteria-air-... [DOC] [TLE] Air Pollution: Current and Future Challenges | Overview of the Clean ... [PAR] Air Pollution Challenges: Common Pollutants. Great progress has been made in 
... EPA in recent years revised standards ... least one of the six common 
pollutants: ... gasoline under Clean Air Act authority, ... controls required to cut 
toxic emissions. [DOC] [TLE] Progress Cleaning the Air and Improving People's Health | Overview ... [PAR] Pollution reductions from EPA Partnership Programs ... Power plants have cut 
emissions that cause acid rain and harm public health. ... Clean Air Act programs 
have lowered levels of six common pollutants -- particles, ozone, .... Sulfur in 
gasoline has been reduced by 90 percent, and sulfur in diesel fuel has been 
reduced... [DOC] [TLE] air pollution facts, information, pictures | Encyclopedia.com articles ... [PAR] Get information, facts, and pictures about air pollution at Encyclopedia.com. ... 
More recently, there have been major episodes of air pollution, such as the 1930 
.... The first six criteria pollutants were carbon monoxide (CO), nitrogen dioxide (
NO2), .... SO2 is one of the precursors of acid rain (the term used to describe the... [DOC] [TLE] The Plain English Guide to the Clean Air Act [PAR] Key Elements of the Clean Air Act .. .... 1970, EPA has been responsible for a 
variety of Clean. Air Act programs to .... at least one of the six common pollutants. [DOC] [TLE] The Inside Story: A Guide to Indoor Air Quality | CPSC.gov [PAR] Indoor air pollution is one risk that you can do something about. .... sources or 
pollutants have been identified as possible causes of indoor air quality problems. 
.... of Passive Smoking: Lung Cancer and Other Disorders EPA/600/6-90/006F). 
... Ventilation, a common method of reducing exposure to indoor air pollutants, 
also... [DOC] [TLE] Air and Water Pollution - average, low, world, daily, high, days, Air ... [PAR] Urban air pollution has long been an important concern for civic .... A December 
1998 EPA report indicates that while air quality continues to improve ... air quality 
standards for at least one of the six major pollutants noted above. .... The catalytic 
converter is also an important element of active attempts to control air pollutants. [DOC] [TLE] Vehicle emissions and air quality - EPA Victoria [PAR] Feb 26, 2016 ... Motor vehicles are the major source of urban air pollution. ... Both diesel and 
petrol vehicles emit particles into the air. ... The number of summer smog days in 
Melbourne has decreased from 18 events per year down to about one event ... 
which have been replaced with the Environment Protection (Vehicle... [DOC] [TLE] air pollution - National Geographic Society [PAR] Apr 4, 2011 ... It also has one of the highest rates of air pollution. Photograph by ... There are 
five major greenhouse gases in Earth's atmosphere. water vapor... [DOC] [TLE] Six Major Air Pollutants - Grinning Planet [PAR] Jul 10, 2007 ... Discussion and list of the 6 major air pollutants (a.k.a. criteria air ... as "criteria air 
pollutants" because the act requires EPA to regulate them ... Major Air Pollutants 
-- #1 .... Lead is a metal and a primary element"Pb" on the periodic table. ... In 
the US, the use of leaded gasoline in highway vehicles has been... [DOC] [TLE] Air Quality and Greenhouse Gas Emissions - City of Seattle [PAR] May 4, 2015 ... pollutants such as ozone precursors and Toxic Air Pollutants (TAPs). ... newable 
energy (primarily gasoline and diesel fuels) used to ... As required by the 1970 
Clean Air Act, the U.S. EPA initially identified six criteria air pollut- .... The major 
sources of lead emissions have historically been mobile and... [DOC] [TLE] Chapter 1 An Introduction to Air Pollution  Definitions ... [PAR] Abstract: Definitions and classifications used in the study of air pollution are ... US
-EPA, Clean Air Act

Question: One of the EPA's 6 common air pollutants is this element that at least has been cut in gasoline
Answer: lead