Epa home green book 8hour ozone 1997 nonattainment area map naaqs revoked view pdf map that can be zoomed. All nonattainment areas green book including 8hour ozone nonattainment areas. These statecounty reports list the annual nonattainment and maintenance status of each county by designated area name by naaqs. Epa has issued its delayed designations for which areas are attaining the obamaera stricter ozone national ambient air quality standard naaqs and finds that 2,646 of more than 3,100 counties meet the naaqs, meaning they will not have to impose strict new ozone reduction measures for the standard that the trump epa is reconsidering. See also ser, chapter 1, federal requirements and chapter 2, state requirements for laws and regulations that apply to all environmental analysis activities the primary laws related to air quality issues are the federal and california clean air acts, federal planning regulations and enabling legislation, u. Green book 1hour ozone 1979 area information us epa. On november 17, 2016, epa proposed regulations in the federal register to establish nonattainment area classification thresholds and implementation requirements for the 8 hour ozone naaqs adopted in 2015. These commonly found air pollutants also known as criteria pollutants are particle pollution or particulate matter pm, groundlevel ozone, carbon monoxide co. The us environmental protection agency has approved texass state implementation plan sip to. While naaqs which have been revoked by the epa do not appear in this table, some antibacksliding obligations may continue to apply for revoked standards. What businesses need to know about national ambient air quality standards and nonattainment the federal clean air act requires u. Presidential memorandum for the administrator of the.
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. Under the clean air act caa, public law 88206, the environmental protection agency epa establishes national ambient air quality standards naaqs for. Oct 29, 2018 last june 26 epa posted a call for information asking interested parties to submit information on any adverse public health, welfare, social, economic, or energy effects which may result from various strategies for attainment and maintenance of existing, new, or revised naaqs national ambient air quality standards, e. The national ambient air quality standards naaqs are the concentrations of. Polygons in this shapefile indicate areas in indiana designated as nonattainment for ozone and or pm2. Epa approves texas plan to limit ozoneforming emissions. The clean air act established two types of national air quality standards. Epa also indicated that attainment designations for the remaining counties will be announced at a later date. While naaqs which have been revoked by the epa do not appear in this table, some antibacksliding. Njdepcleanairnjclean air njnj ozone air quality standards. A designation is the term epa uses to describe the air quality in a given area for. Select one of the naaqs below to view information about designated. The proposed 2015 ozone rule would lower the naaqs for ozone from 75 parts per billion ppb to 70 ppb. Epas proposed revisions to the national ambient air.
If an area was in nonattainment, but now attains the standard and has an epa. 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. Compliance of austinround rock arr area counties with the national ambient air quality standards naaqs. Compliance of dallasfort worth dfw area counties with the national ambient air quality standards naaqs. Environmental protection agency epa released a partial list of counties that will not be impacted by the yettobe implemented 2015 national ambient air quality standards naaqs for ozone. The final naaqs rule identifies nonattainment areas, establishes nonattainment parameters and sets compliance deadlines for states to come into. Recent additions epa science advisory board sab us epa. In addition to the epa, the clean air act is administered by state, tribal, and local agencies, which are responsible for developing local solutions to air quality problems. The following files may be viewed using adobe acrobat.
In 2015, epa established a new naaqs primary ozone standard of 0. Nonattainment and maintenance areas for the current 8hour ozone naaqs obtained from epa s green book. After setting naaqs, there are several activities required to implement the standard including conducting ambient monitoring to identify areas of the country that exceed naaqs levels, i. Epa ttn naaqs ozone implementation technical resources. Naaqs and other caa implementation updates anna marie wood director, air quality policy division.
Read mayor bowsers presentation on dcs covid19 situational update. Soundsoluonsdelivereduncommonlywell understanding the permitting impacts of the proposed ozone naaqs georgia environmental conference august 27, 2015. In 1997, epa set the national ambient air quality standards naaqs for annual fine particle pm 2. The epa green book provides detailed information about area national ambient air quality standards naaqs designations, classifications and nonattainment. Areas participating in the reformulated gasoline program. Current nonattainment counties for all criteria pollutants. Additionally, the epas green book nonattainment areas for criteria pollutants. State and federal area designations california air resources board.
Mayor bowser extends public health emergency, stay at home order, and closure of nonessential businesses through may 15. For more information on attainment status, visit the epas green book exit the tceq. The primary standards are designed to protect the health of sensitive populations such as asthmatics, children, and the elderly. While naaqs which have been revoked by the epa do not appear in this table, some. Environmental resource information reference guide in. Oct 01, 2017 id like to receive the forbes daily dozen newsletter to get the top 12 headlines every morning. Epas tribal authority rule gives tribes the ability to develop air quality management programs, write. The 2006 national ambient air quality standards naaqs for particulate matter pm congressional research service summary on october 17, 2006, the environmental protection agency epa published its final revisions to the national ambient air quality standards naaqs for particulate matter particulates, or pm. This table is intended to provide a listing of designations and classifications for current, active naaqs. Established by the united states environmental protection agency epa under authority of the clean air act 42 u. Here are answers to some questions about the recent announcement by the u. 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. National ambient air quality standards naaqs attainment status. The clean air act identifies two types of national ambient air quality.
Epa issues final naaqs rule washington energy report. Guidance on air quality designations for the 8hour. Louisiana nonattainmentmaintenance status for each county. Naaqs, the clean air act requires epa to designate areas as attainment meeting, nonattainment not meeting, or unclassifiable insufficient data after. When a nonattainment area attains the naaqs, epa designates the area as a.
The legal consequences of epas disruption of the naaqs. Estimates of the upper limit are based mainly on observations of the water table at selected sites and on evidence of a saturated zone, namely grayish colors redoximorphic features in the soil. Ozone 8hr 1997 standard, ozone 8hr 2008 standard, lead 2008. Green book national area and countylevel multipollutant epa.
Improve air quality by implementing pollution control. Nonattainment areas for criteria pollutants green book. Green book 8hour ozone 1997 area information naaqs. Section 181 of the act required epa to classify each area as a marginal, moderate, serious, severe or extreme ozone nonattainment area. Nonattainment and maintenance areas for the current 8hour ozone naaqs obtained from epas green book. Epa issues implementation requirements for 2015 ozone naaqs. Epas proposed revisions to the national ambient air quality standard naaqs for ozone donnie redmond ambient monitoring section chief.
The proposed regulations largely retain and update the implementing regulations that were promulgated for the 2008 8hour ozone naaqs. The policy assessment is intended to help bridge the gap between the scientific information and assessment and the judgements required of the epa administrator in determining whether, and if so how, it is appropriate to revise the naaqs for no2. For additional information about original designations and attainment status, please refer to the epa s green book. Epa issues ozone naaqs designations while reconsidering. The 8hour ozone 1997 standard was revoked on april 6, 2015 and the 1hour ozone 1979 standard was revoked on june 15, 2005. Us epa nonattainment areas and designationspm10 1987.
Nonattainment area classifications approach, attainment deadlines and revocation of the 1997 ozone standards for transportation conformity purposes may 21, 2012 see 77 fr 30160. State and federal area designations indicate how each area in california fares in relation to the ambient air quality standards, which. Us epa nonattainment areas and designationsso2 2010 naaqs metadata updated. Epa office of air and radiation oar office of air quality planning and standards oaqps web service contains the following state level layers related to nonattainment areas and designations. The united states environmental protection agency s epa green book defines criteria pollutants. Environmental protection agency epa is committed to protecting public health by improving air quality and reducing air pollution. Nonattainment area is any area that does not meet or that contributes to ambient air quality in a nearby area that does not meet the national primary or secondary ambient air quality standard naaq for. Us epa nonattainment areas and designationsso2 2010 naaqs. 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 national ambient air quality standards naaqs for. The epa green book provides detailed information about area national ambient air quality standards naaqs designations, classifications and nonattainment status. The clean air act, which was last amended in 1990, requires the united states environmental protection agency usepa to set national ambient air quality standards 40 cfr part 50 for pollutants considered harmful to public health and the environment. The purpose of this memorandum is to provide guidance to state and local air pollution control agencies and tribes states and tribes on designating areas as attainmentunclassifiable 1 or nonattainment and the environmental protection agencys epas views on the boundaries for nonattainment areas for the 8hour groundlevel ozone naaqs. Dec 29, 2014 on november 25, 2014, the environmental protection agency epa proposed to reduce both the primary and secondary national ambient air quality standards naaqs for groundlevel ozone from 75 parts per billion ppb to within the range of 6570 ppb. That decision set in motion the agencys responsibility to. 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. Epa home green book current nonattainment counties for all criteria pollutants current nonattainment counties for all criteria pollutants data is current as of march 31, 2020 the 8hour ozone 1997 standard was revoked on april 6, 2015 and the 1hour ozone 1979 standard was revoked on june 15, 2005. Each of these proposed changes ties back to former epa administrator. Last week, epa posted its draft integrated science assessment for particulate matter. 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. New ozone pollution rules take effect over objections from.
These standards, called the national ambient air quality standards naaqs, are a cornerstone of epas mission to achieve and maintain clean air. The design value is the annual arithmetic mean concentrations, averaged over 3 years. Applicable authorities and regulations take precedence over guidance material and should be consulted as necessary to achieve full compliance. Nonattainment areas for criteria pollutants green book us epa. Christopher frey, distinguished university professor at north carolina state university and chair of the epas clean air scientific advisory committee. Some files are rather large and may take a while to load. The agency later designated 39 areas including at least part of 208 counties as nonattainment not meeting the standards effective april 5, 2005. For a current list of ozone nonattainment areas, refer to the epa green book. Epa has air quality standards for the following criteria pollutants. Prior to publishing a new monthly green book report, an epa contractor runs a quality assurance check. Understanding the permitting impacts of the proposed ozone naaqs. Epa proposes update to national ambient air quality standards. So 2 primary rea plans presentation for the casac bob hetes, stephen graham, nicole hagan march 21, 2017. Montana deq air 2017air standards airnonattainment.
Environmental protection agency regarding a proposed revision to the national ambient air quality standard naaqs for ozone from dr. The map shows the current ozone nonattainment areas that include parts of new jersey. The usepa green book provides detailed information about area. Epas green book on nonattainment areas for criteria pollutants. Designation and naaqs information related to 8hour. Cambria, chester, cumberland, dauphin, delaware, greene p, indiana p. Epa proposes implementation regulations for the 2015 ozone.
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 for pollutants considered harmful to public health and the environment. Air quality standard naaqs, the clean air act requires epa to designate areas as. Revised 8hour ozone 2008 standard naaqs notices final implementation of the 2008 national ambient air quality standards for ozone. Epa home epa science advisory board sab recent additions recent additions get sab recent additions delivered to your feed reader more about rss news feeds usa.
The clean air act identifies two types of national ambient air quality standards. Compliance of san antonio area counties with the national ambient air quality standards naaqs. After grumbling that it intended to resist implementing the revised national ambient air quality standards naaqs for ozone it issued in 2015, in august 2018, the epa informed a federal court that it had decided to uphold and defend the naaqs as they had been promulgated. For additional information on nonattainment areas across the country for the six naaqs pollutants, visit the epas green book. National ambient air quality standards naaqs us epa. Green book 8hour ozone 1997 area information naaqs revoked.
The naaqs are health based and the epa sets two types of standards. Epas monthly green book publication includes a summary of nonattainment areas, taking into account all final redesignation actions published in the federal register. Choose the collections to search checkmark all boxes clear all boxes just documents available online just hardcopy documents for ordering. The clean air act requires the epa to set us national ambient air quality standards naaqs for the six caps. Epa to set national ambient air quality standards for pollutants considered harmful to public health and the environment. Nonattainment status for each county by year, october 2007. This annual report presents the trends in the nations air quality, and summarizes the detailed information found at epas airtrends website. Environmental protection agency epa released a notice accepting public comments on their proposed attainment and nonattainment designations for the 2015 national ambient air quality standards naaqs for ozone. Epa conformity regulations, and local and air district ordinances and. For more information on attainment status, visit the epas green book exit the tceq webpage regarding. Epa seeking public comment on designation recommendations.
On april 30, 2012, the environmental protection agency epa issued a final rule for the implementation of the 2008 national ambient air quality standards naaqs for groundlevel ozone. Under provisions of the clean air act, which is intended to improve the quality of the air we breathe, epa is required to set national ambient air quality standards for. Our nations air united states environmental protection agency. Epa as polluted under the clean air act is documented in the u. 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. Epa approves texas plan to limit ozoneforming emissions under naaqs. Areas of the country where air pollution levels of are above a naaqs may be designated by usepa as nonattainment. New ozone pollution rules take effect over objections from trumps team. The epa office of air quality planning and standards oaqps has set national ambient air quality standards for six principal pollutants, which are called criteria pollutants. Water table refers to a saturated zone in the soil. Epa home green book 1hour ozone 1979 area information naaqs revoked green book 1hour ozone 1979 area information naaqs revoked this page has been updated and moved to. The clean air act requires epa to set national ambient air quality standards naaqs for six criteria pollutants lead, carbon monoxide, sulfur dioxide, nitrous oxides, ozone, and particulate matter. Information is current as of the green book posted date and is available in reports, maps and data downloads. This table is intended to provide a listing of designations and classifications for current, active national ambient air quality standards naaqs.