SCHEDULE 1Limit values

Sulphur dioxide

Averaging period

Limit value

One hour

350 μg/m3, not to be exceeded more than 24 times a calendar year

One day

125 μg/m3, not to be exceeded more than 3 times a calendar year

Nitrogen dioxide

Averaging period

Limit value

One hour

200 μg/m3, not to be exceeded more than 18 times a calendar year

Calendar year

40 μg/m3

Benzene

Averaging period

Limit value

Calendar year

5 μg/m3

Carbon monoxide

Averaging period

Limit value

Maximum daily eight hour mean M1

10 mg/m3

Lead

Averaging period

Limit value

Calendar year

0.5 μg/m3

PM10

Averaging period

Limit value

One day

50 μg/m3, not to be exceeded more than 35 times a calendar year

Calendar year

40 μg/m3

PM2·5

Averaging period

Limit value

Margin of tolerance

Date by which limit value is to be met

Calendar year

25 μg/m3

20% on 11 June 2008, decreasing on the next 1 January and every 12 months thereafter by equal annual percentages to reach 0% by 1 January 2015

1 January 2015