Part I I1
England and Wales
TABLE
AIR QUALITY OBJECTIVES
| Substance/ Air Quality Objective levels | Date by which objective to be achieved |
|---|---|
| Benzene: 16.25 micrograms per cubic metre or less, when expressed as a running annual mean | 31 December 2003 |
| F1Benzene: 5 micrograms per cubic metre or less, when expressed as an annual mean | F231 December 2010 |
| 1, 3 -Butadiene: 2.25 micrograms per cubic metre or less, when expressed as a running annual mean | 31 December 2003 |
| Carbon monoxide: F310 milligrams per cubic metre or less, when expressed as a F4maximum daily running 8 hour mean | 31 December 2003 |
| Nitrogen dioxide: 200 micrograms per cubic metre or less, when expressed as an hourly mean, not to be exceeded more than 18 times a year | 31 December 2005 |
| Nitrogen dioxide: 40 micrograms per cubic metre or less, when expressed as an annual mean | 31 December 2005 |
| Lead: 0.5 micrograms per cubic metre or less, when expressed as an annual mean | 31 December 2004 |
| Lead: 0.25 micrograms per cubic metre or less, when expressed as an annual mean | 31 December 2008 |
| PM10: 50 micrograms per cubic metre or less, when expressed as a 24 hour mean, not to be exceeded more than 35 times a year | 31 December 2004 |
| PM10 40 micrograms per cubic metre or less, when expressed as an annual mean | 31 December 2004 |
| Sulphur dioxide: 125 micrograms per cubic metre or less, when expressed as a 24 hour mean, not to be exceeded more than 3 times a year | 31 December 2004 |
| Sulphur dioxide: 350 micrograms per cubic metre or less, when expressed as an hourly mean, not to be exceeded more than 24 times a year | 31 December 2004 |
| Sulphur dioxide: 266 micrograms per cubic metre or less, when expressed as a 15 minute mean, not to be exceeded more than 35 times a year | 31 December 2005 |
Annotations
Textual amendments
- F1
Words in Sch. Pt. 1 Table inserted (31.12.2002) by The Air Quality (Amendment) (Wales) Regulations 2002 (S.I. 2002/3182), regs. 1(1), 2(2)(a)(i)
- F2
Words in Sch. Pt. 1 Table inserted (31.12.2002) by The Air Quality (Amendment) (Wales) Regulations 2002 (S.I. 2002/3182), regs. 1(1), 2(2)(a)(ii)
- F3
Word in Sch. Pt. 1 Table substituted (31.12.2002) by The Air Quality (Amendment) (Wales) Regulations 2002 (S.I. 2002/3182), regs. 1(1), 2(2)(b)
- F4
Words in Sch. Pt. 1 Table inserted (31.12.2002) by The Air Quality (Amendment) (Wales) Regulations 2002 (S.I. 2002/3182), regs. 1(1), 2(2)(b)
Commencement
- I1
Sch. Pt. 1 in force at 1.8.2000, see reg. 1(1)