SCHEDULE 1LIMIT VALUES, MARGINS OF TOLERANCE ETC.

PART ISULPHUR DIOXIDE

Limit values for sulphur dioxide

1.1

Averaging period

Limit value

Margin of tolerance11

Date by which limit value is to be met

1.

Hourly limit value for the protection of human health

1 hour

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

120 μg/m3 on 19th July 2001, reducing on 1st January of each following year by equal annual amounts to reach 0 μg/m3 by 1st January 2005

1st January 2005

2.

Daily limit value for the protection of human health

24 hours

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

None

1st January 2005

3.

Limit value for the protection of ecosystems

Calendar year and winter (1st October to 31st March)

20 μg/m3

None

19th July 2001