Regulation 18(1) and (2)
SCHEDULE 2Limit values
This schedule has no associated Explanatory Memorandum
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 | 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 |