Page 3080 - Week 11 - Tuesday, 11 September 1990

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MINISTER FOR FINANCE AND URBAN SERVICES

LEGISLATIVE ASSEMBLY QUESTION

QUESTION NO. 213

Air Pollution

Ms Follett - asked the Minister for Finance and Urban Services -

(1) What levels of airborne particulates have been recorded at each of the ACT air quality monitoring stations each month during the latest year for which data is available.

(2) What factors are believed to cause the seasonal and geographic variations in particulate levels.

(3) How do the particulate levels recorded in the ACT compare with national and international standards.

Mr Duby - the answer to the Members question is as follows:

(1) Particulates suspended in air in Canberra are measured by the ACT Community and Health Services. The monitoring consists of filtering a measured volume of air over a twenty four hour period. Ancillary monitoring, which measures the scatter of light from particles in air as it passes through a Nephelometer, gives an indication of the instantaneous variations in suspended particulates.

The following are the test results of the monitoring for airborne particulates carried out by the ACT Community and Health Services during 1989.

TOTAL SUSPENDED PARTICULATE (jig/m3) (AVERAGE OVER THE MONTH).

1989

CIVIC WODEN BELCONNEN KAMBAH

Jan 32.2 29.5 22.7 20.6

Feb 53.3 41.1 32.4 38.6

Mar 33.4 23.7 20.3 17.9

Apr 25.2 19.0 14.5 15.0

May 29.7 24.8 19.5 19.5

Jun 28.9 21.6 15.9 16.8

Jul 42.9 43.2 29.8 31.0

Aug 44.7 39.7 23.6 26.6

Sep 46.1 45.0 26.6 28.7

Oct 46.6 42.8 30.8 24.6

Nov 44.1 28.7 26.9 14.1

Dec 36.6 32.5 27.5 24.5

3080

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