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2004/279/EC: Commission DecisionShow full title
2004/279/EC: Commission Decision of 19 March 2004 concerning guidance for implementation of Directive 2002/3/EC of the European Parliament and of the Council relating to ozone in ambient air (Text with EEA relevance) (notified under document number C(2004) 764)
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Changes over time for: Division 1.2.2.
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Changes and effects yet to be applied to Annex III Division 1 Division 1.2 Division 1.2.2:
- Decision revoked by 2023 c. 28 Sch. 1 Pt. 2
Changes and effects yet to be applied to the whole legislation item and associated provisions
- Annex 1 heading words omitted by S.I. 2018/1407 reg. 3(4)(a)(i)
- Annex 1 heading words omitted by S.I. 2018/1407 reg. 3(4)(a)(ii)
- Annex 1 words omitted by S.I. 2018/1407 reg. 3(4)(b)
- Annex 1 words omitted by S.I. 2018/1407 reg. 3(4)(c)
- Annex 1 para. 3 words omitted by S.I. 2018/1407 reg. 3(4)(d)
- Art. 1(1) words inserted by S.I. 2018/1407 reg. 3(2)(a)(ii)
- Art. 1(1) words substituted by S.I. 2018/1407 reg. 3(2)(a)(i)
- Art. 1(2) words omitted by S.I. 2018/1407 reg. 3(2)(b)(ii)
- Art. 1(2) words substituted by S.I. 2018/1407 reg. 3(2)(b)(i)
- Art. 1(3) words inserted by S.I. 2018/1407 reg. 3(2)(c)(i)
- Art. 1(3) words omitted by S.I. 2018/1407 reg. 3(2)(c)(ii)
- Art. 2 substituted by S.I. 2018/1407 reg. 3(3)
- Annex 3 word omitted by S.I. 2018/1407 reg. 3(5)(b)(iv)(bb)
- Annex 3 heading words omitted by S.I. 2018/1407 reg. 3(5)(a)
- Annex 3 words omitted by S.I. 2018/1407 reg. 3(5)(b)(ii)
- Annex 3 words omitted by S.I. 2018/1407 reg. 3(5)(b)(iii)
- Annex 3 words omitted by S.I. 2018/1407 reg. 3(5)(b)(iv)(aa)
- Annex 3 words substituted by S.I. 2018/1407 reg. 3(5)(b)(i)
- Annex 3 point 1.1 words substituted by S.I. 2018/1407 reg. 3(5)(c)
1.2.2.Source oriented monitoringU.K.
Major sources of VOC are road traffic, particular industrial plants and the use of solvents. The compounds to be monitored for analysing trends depend on the source type whereby the following strategy is recommended.
Road traffic
BTX-monitoring is useful to analyse trends in emissions from road traffic but monitoring of more components, e.g. acetylene, may be necessary. With regard to the expected reduction of benzene in fuels it should be ensured that in any case toluene and xylenes are analysed. The full VOC spectrum should be monitored at least at one traffic site. In general strong similarities in spectrum may be expected at different sites with similar characteristics of the vehicle fleet.
Industrial plants
Petrochemical plants emit a broad spectrum of VOC. The decision on compounds to be monitored depends strongly on this spectrum and must be based on a case-by-case study. At least one monitoring station should be located upwind and downwind of the major sources with respect to the prevailing wind direction.
Solvent use (commercial areas)
The decision on the selection of VOC to be monitored is most difficult in this case, as there may be several minor sources. It should be based on any knowledge on the spectrum emitted giving also regard to cover those with the highest ozone production potential.
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