Air quality strategy wallchart

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                                                                      Air quality strategy wallchart




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                                                                      Summary of the proposed objectives contained in the latest consultation




                                                                                                                                                                                                                    20
                                                                                                                                                                                                                      01
                                             Existing objective                                               Date to be                Proposed changes contained in
 Pollutant                                                                                                    achieved by               September 2001 consultation
                              Concentration                    Measured as
Benzene                       16.25µg/m3 (5ppb)                 running annual mean                         December 31, 2003           Ann. mean of 3.25µg/m3 (1ppb) by 2010. Supplements existing objective
1,3-Butadiene                 2.25µg/m3 (1ppb)                  running annual mean                         December 31, 2003           Not changed in this review
Carbon                        11.6mg/m3 (10ppm)                 running 8 hour mean                         December 31, 2003           Eight hour mean 10mg/m3 (8.6ppm) to be achieved by end of 2003
monoxide                                                                                                                                Replaces existing objective
Lead                          0.5µg/m3                          annual mean                                 December 31, 2004           Not changed in this review
                              0.25µg/m3                         annual mean                                 December 31, 2008
Nitrogen                      200µg/m3 (105ppb)                 1 hour mean not to be exceeded more December 31, 2005                   Not changed in this review
dioxide                                                         than 18 times a year
                              40µg/m3 (21ppb)                   annual mean                                 December 31, 2005
Particles (PM10)              50µg/m     3                      24 hour mean not to be exceeded             December 31, 2004           24 hour mean: London 50µg/m3 10-14 allowable exceedences per year,
                                                                more than 35 times a year                                               elsewhere 50µg/m3 seven exceedences by 2010
                              40µg/m3                           annual mean                                 December 31, 2004           Annual mean: London 23-25µg/m3 by 2010, Scotland 18µg/m3,
                                                                                                                                        elsewhere 20µg/m3. (London to ‘work towards’ 20µg/m3 by 2015).
Sulphur                       350µg/m3 (132ppb)                 1 hour mean not to be exceeded more December 31, 2004                   Both supplement existing objectives. Not included in regulations in England.
dioxide                                                         than 24 times a year                                                    Not changed in this review
                              125µg/m (47ppb)3                  24 hour mean not to be exceeded             December 31, 2004
                                                                more than 3 times a year
                              266µg/m3 (100ppb)                 15 minute mean not to be exceeded           December 31, 2005
                                                                more than 35 times a year
PAH (Polycyclic aro-          not in current strategy           n/a                                         n/a                         Provisional annual average 0.25ng/m3 benzo(a)pyrene by end of 2010
matic hydrocarbons)                                                                                                                     New objective – but like ozone, not to be included in regulations

Source: The Air Quality Strategy for England, Scotland, Wales and        This wall chart was published by Air Quality Management, October 2001. For paper copies of the wallchart and for Air Quality Management enquiries,
Northern Ireland – proposals for objectives for particles, benzene,      contact Jack Pease, Gee Publishing, The Garth, Rockshaw Road, Merstham, Surrey RH1 3DB tel 01737 642215 (fax 01737 642168)
carbon monoxide and PAH (October 2001) tel. 0870 1207 405                email aqm@gee.co.uk. Download this and other extras from our website: www.air-quality-management.co.uk

				
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Description: Air quality strategy wallchart