New ozone pollution rules take effect over objections from trumps team. Established by the united states environmental protection agency epa under authority of the clean air act 42 u. Maps are updated each time a new version of the green book is posted with each map displaying the update monthyear date. Nitrogen dioxide monitoring site design values table, region 9, 2012, us epa region 9. In a draft letter recently released, casac notes that.
Epa the green book 8hour ozone nonattainment areas 2008 standard. The usepa green book provides detailed information about area naaqs. Additionally, the epas green book nonattainment areas for criteria pollutants. This rule establishes air quality designations for certain areas in the united states for the 2010 primary sulfur dioxide so2 national ambient air quality standard naaqs. Revised nitrogen dioxide 1971 standard designation notices final air quality designations for the 2010 primary nitrogen dioxide no 2 naaqs february 17, 2012 see 77 fr 9532. Nonattainment areas for criteria pollutants green book the epa green book provides detailed information about area national ambient air quality standards naaqs designations, classifications and nonattainment status. The epa office of air quality planning and standards oaqps has set.
This section provides information about the nonattainment area for the nitrogen dioxide 1971 national ambient air quality standards naaqs. National ambient air quality standards ozone naaqs nonattainment consequences so 2 naaqs 2. National ambient air quality standards naaqs, pronounced \naks\ are limits on. Nonattainment status for each county by year, october 2007. Air quality designations for the 2010 sulfur dioxide so 2 primary naaqs round 2 july 12, 2016 see 81 fr.
Learn about clean air act nonattainment area and county information for criteria pollutants. Epa the green book so2 nonattainment areas 2010 standard. Green book 8hour ozone 2015 area information us epa. Sulfur dioxide design values, 2018 xlsx 368 k, 7232019. This section provides detailed information about designations and the nonattainment area status for the so 2 1971 national ambient air quality standards naaqs. The previous 24hour and annual primary so 2 standards remain in effect until the effective date of an areas designation for the 2010 1hour standard.
Nonattainment and maintenance areas for the current 8hour ozone naaqs obtained from epa s green book. Sulfur dioxide so2 naaqs in 1971, the usepa established the naaqs for so2 as 0. Air quality designations for the 2010 sulfur dioxide so 2 primary naaqs august 5, 20 see 78 fr 47191. Green book home 8hour ozone 2015 8hour ozone 2008 8hour ozone 1997. In 1997, epa established annual and 24hour naaqs for pm 2. Proposed technical amendments to inadvertent errors in air quality designations for fine particles, ozone, lead, nitrogen dioxide, and sulfur dioxide may 5, 2014. Green book map download nonattainment areas for criteria. Illinois nonattainmentmaintenance status for each county. The epa is issuing this rule to identify areas that, based on recorded air quality monitoring data showing violations of. For more information on attainment status, visit the epas green book exit the tceq. May 17, 2018 air agencies may implement in order to attain and maintain the national ambient air quality standards. Ozone 8hr 2008 standard, lead 2008 standard, so2 1hr 2010 standard, pm2. Naaqs and other implementation updates naaqs implementation updates ozone.
Compliance of san antonio area counties with the national ambient air quality standards naaqs. Green book national area and countylevel multipollutant epa. Epa home green book so2 2010 design value notes so 2 2010. So 2 primary rea plans presentation for the casac bob hetes, stephen graham, nicole hagan march 21, 2017. Air quality designations for the 2010 sulfur dioxide so2 primary national ambient air quality standard supplement to round 2 for four areas in texas. Technical amendments to inadvertant errors in air quality designations for fine particles, ozone, lead, nitrogen dioxide, and sulfur dioxide may 5, 2014 see 79 fr 25508 proposed identification of nonattainment classification and deadlines for submission of state implementation plan sip provisions for the 1997 pm 2. The united states environmental protection agency s epa green book defines criteria pollutants. Epa publication of so2 naaqs designations starts lawsuit. On september 22, 1998 the only nitrogen dioxide 1971 nonattainment area was redesignated to maintenance.
Nonattainment areas for criteria pollutants green book. In 1971, the usepa established the naaqs for so2 as 0. In february 2019, epa retained the existing primary naaqs for so 2. Final national ambient air quality standards for ozone rule signed october 1, 2015 80 fr 65292, revising the primary and secondary 8hour ozone standards to 0. Environmental protection agency national center for environment assessment office of research and development and office of air quality planning and standards office of air and radiation research triangle park, north carolina 27711. A sip call is an epa action requiring a state to resubmit all or part of its state implementation plan to demonstrate attainment of the required naaqs. Additional information on these standards and related implementation activities is provided here. National ambient air quality standards naaqs, pronounced \naks\ are limits on atmospheric concentration of six pollutants that cause smog, acid rain, and other health hazards.
These statecounty reports list the annual nonattainment and maintenance status of each county by designated area name by naaqs. The 2010 naaqs for so 2 is a 1hour so 2 standard at a level of 75 parts per billion ppb, based on the 3year average of the annual 99th percentile of 1hour daily maximum concentrations. While naaqs which have been revoked by the epa do not appear in this table, some antibacksliding obligations may continue to apply for revoked standards. Current nonattainment counties for all criteria pollutants green. The agency later designated 39 areas including at least part of 208 counties as nonattainment not meeting the standards effective april 5, 2005. The site is intended to make easily available information on both data and policy related to the ozone naaqs. The 8hour ozone 1997 standard was revoked on april 6, 2015 and the 1hour ozone 1979 standard was revoked on june 15, 2005. Epa refers to these pollutants as criteria pollutants because they are regulated by using human healthbased andor environmentallybased criteria to set permissible levels. Green book sulfur dioxide 2010 area information us epa.
The federal clean air act requires the united states environmental protection agency usepa to set national ambient air quality standards naaqs for six common air pollutants. Extension of deadline for promulgating designations for the 2010 primary sulfur dioxide naaqs august 3, 2012 see 77 fr 46295. The epa has set national ambient air quality standards naaqs for six principal criteria pollutants. In 1997, epa set the national ambient air quality standards naaqs for annual fine particle pm 2. These commonly found air pollutants also known as criteria pollutants are particle pollution or particulate matter pm, groundlevel ozone, carbon monoxide co. Epa region 4 regulatory update mecklenburg county annual air quality forum charlotte, nc november 21, 2019 ken mitchell, ph.
Epa issues policy memoranda and technical guidance for use by federal, regional, state, tribal, and local agencies to implement the naaqs for all criteria pollutants. County designated nonattainment or maintenance for 1 naaqs pollutants guam piti and tanguisson counties are designated nonattainment for the so2 naaqs for clean air acts national ambient air quality standards naaqs the national ambient air quality standards naaqs are health standards for carbon monoxide. Green book sulfur dioxide 1971 area information us epa. Green book united states environmental protection agency. A second round of area designations was effective september 12, 2016. National ambient air quality standards naaqs us epa. Epa science advisors support current so2 naaqs verdant law. Nonattainment areas for criteria pollutants green book us epa.
Air quality and emissions monitoring sites annual network monitoring report effects of ozone more resources u. A design value is a statistic that describes the air quality status of a given location relative to the level of the national ambient air quality standards naaqs. Information is current as of the green book posted date and is available in reports, maps and data downloads. Primary standards provide public health protection, including protecting the health of sensitive populations such. The usepa green book provides detailed information about area. The tenor of todays decision, written by david sentelle, another reagan appointee the nox decision was written by douglas ginsburg, is fairly similar to that in the nox decision.
Oct 01, 2017 id like to receive the forbes daily dozen newsletter to get the top 12 headlines every morning. Green book sulfur dioxide 2010 area information this section provides detailed information about designations and the nonattainment area status for the so 2 2010 national ambient air quality standards naaqs. While naaqs which have been revoked by the epa do not appear in. Nonattainment status for each county by year report these statecounty reports list the annual nonattainment and maintenance status of each county by designated area name by. Green book national area and countylevel multipollutant information you may need a pdf reader to view some of the files on this page.
The clean air act, which was last amended in 1990, requires epa to set national ambient air quality standards 40 cfr part 50 for pollutants considered harmful to public health and the environment. National ambient air quality standards naaqs for six common air pollutants. This story map application identify areas in the u. Epa revised primary 8hour ozone naaqs 70 ppb final designations required within 2 years after naaqs promulgation administrator has discretion to extend the deadline by one year to collect sufficient information state and tribal recommendations submitted to epa by october 1, 2016. The list compiles the policy and guidance documents that relate specifically to pm 10 alone or pm 2. Green book 8hour ozone 1997 area information naaqs. On june 3, 2010, the epa strengthened the healthbased or primary standard for so2 by establishing a 1hour standard at a level of 75 parts per billion. This table is intended to provide a listing of designations and classifications for current, active national ambient air quality standards naaqs. The clean air act identifies two types of national ambient air quality standards. On wednesday, i discussed the dc circuits decision affirming epas revised naaqs for nox.
The naaqs are health based and the epa sets two types of standards. The design value is the annual arithmetic mean concentrations, averaged over 3 years. On july 25, 20, the epa designated 29 areas in 16 states as nonattainment, but did not at that time designate other areas round 1. Air quality designations for the 2010 sulfur dioxide so2 primary naaqs august 5, 20 see 78 fr 47191. Counties designated nonattainment green book us epa. Designation and naaqs information related to so2 2010. The epa green book provides detailed information about area national ambient air quality standards naaqs designations, classifications and nonattainment status. Epa ttn naaqs pm10 naaqs implementation guidance documents. Freestone and anderson counties, milam county, rusk and panola counties, and titus county air quality designations for the 2010 sulfur dioxide so 2 primary naaqs round 2 december, 2016. Environmental protection agency epa to establish national air quality standards for six common air pollutants that are found throughout the united states. Epa uses six criteria pollutants as indicators of air quality, and has established for each of them a maximum concentration above which adverse effects on human health may occur. Listed by state, county, naaqs part county na na area name classification, if applicable. Epa revised primary naaqs for sulfur dioxide so 2 standard on june 3, 2010 to.
State and federal area designations california air resources board. Nonattainment areas for the 2010 sulfur dioxide standards. Designation and naaqs information related to so2 2010 standard you may need a pdf reader to view some of the files on this page. To view a list of areas designated nonattainment, see epas green book site. Environmental protection agency national center for environmental assessment office of research and development and office of air quality planning and standards office of air and radiation research triangle park, north carolina october 2014. The primary standards are designed to protect the health of sensitive populations such as asthmatics, children, and the elderly. Epa home green book sulfur dioxide so2 2010 nonattainment area map view pdf map that can be zoomed. History of the 2010 so2 1hr naaqs june 2, 2010, epa issued the revised primary naaqs to improve public health protection first revision since the initial so2 naaqs was issued in 1971 the 2010 revision was compelled by a judicial consent decree and legal challenge to our 1996 decision not to revise the 1971 standards. Final national ambient air quality standards for ozone rule signed october 1, 2015 80 fr 65292, revising the primary and secondary 8hour ozone standards to. Green book 8hour ozone 1997 area information naaqs revoked this section provides detailed information about designations, classifications and the status of the nonattainment areas at the time of the 8hour ozone 1997 national ambient air quality standards naaqs revocation on april 6, 2015. Green book 8hour ozone 2015 area information this section provides detailed information about designations, classifications and the nonattainment area status for the 8hour ozone 2015 national ambient air quality standards naaqs.
Green book nitrogen dioxide 1971 area information us epa. All designated area selections nonattainment and maintenance areastate information. More detailed design value data can be found on the air quality design value site the 2010 naaqs for so 2 is a 1hour so 2 standard at a level of 75 parts per billion ppb, based on the 3year average of the annual 99th percentile of 1hour daily maximum concentrations. Designation and naaqs information related to pm10 1989. Front rangemidway solar project air quality management plan. Counties with nonattainment areas or maintenance areas.
Epa home green book important notes important notes for the. National ambient air quality standards naaqs the clean air act, which was last amended in 1990, requires epa to set national ambient air quality standards 40 cfr part 50 for pollutants considered harmful to public health and the environment. New ozone pollution rules take effect over objections from. Air quality designations for the 2006 24hour fine particle naaqs 2006 24hour pm 2.
Portions of warren county new jersey were designated nonattainment. On september 16, 2016, epa finalized revisions to the 2007 exceptional events. The clean air act requires the epa to set us national ambient air quality standards naaqs for the six caps. So2 2010 areas were designated effective on october 4, 20. Federal register air quality designations for the 2010.
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