Part III PARTICULATE MATTER (PM10)

Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below:

Sch 1, Pt I, para 1.1 am (19.1.2003) by Air Quality Limit Values 2002 reg 2(1), (8)(a)
Sch 1, Pt II, para 2.1 am (19.1.2003) by Air Quality Limit Values 2002 reg 2(1), (8)(b)
Sch 1, Pt III am (19.1.2003) by Air Quality Limit Values 2002 reg 2(1), (8)(c)
Sch 1, Pt IV am (19.1.2003) by Air Quality Limit Values 2002 reg 2(1), (8)(d)
Sch 1, Pts V, VI added (19.1.2003) by Air Quality Limit Values 2002 reg 2(1), (8)(e)

	Averaging Period	Limit value	Margin of tolerance	Date by which limit value is to be met
1.24-hour limit value for the protection of human health	24 hours	50μg/m³ PM₁₀ not to be exceeded more than 35 times a calendar year	70μg/m³ on 19th July 2001, reducing on 1st January of each following year by 5μg/m³ to reach 50μg/m³ by 1st January 2005	1st January 2005
2.Annual limit value for the protection of human health	Calendar year	40μg/m³ PM₁₀	46.4μg/m³ on 19th July 2001, reducing on 1st January of each following year by 1.6μg/m³ to reach 40μg/m³ by 1st January 2005	1st January 2005