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ENVIRONMENTAL PROTECTION (KWINANA) (ATMOSPHERIC WASTES) REGULATIONS 1992 - SCHEDULE 1

[Regulation 4(a)]

Ambient air quality standards and ambient air quality limits — sulphur dioxide

Item

Area

Standard
(µg/m 3 )

Limit
(µg/m 3 )

Averaging period

1

Area A

700

1 400

1 hour

2

Area A

200

365

24 hours

3

Area A

60

80

1 year

4

Area B

500

1 000

1 hour

5

Area B

150

200

24 hours

6

Area B

50

60

1 year

7

Area C

350

700

1 hour

8

Area C

125

200

24 hours

9

Area C

50

60

1 year


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