Air pollution
Average central city readingt taken at the Reserve Bank building for the 24 hour* ended ♦ a.m yesterday weret Sulphur Dioxide: 70, medium. Smoke, 143, high. Nitrogen Oxide*: S 3, low. The reading* are In microgram* per cubic metre. Level* are:—Smoke: fess than 40, low; more than 120 high Sulphur dioxide: less than 00, low; more then 200, high. Nitrogen oxides: less than 100, low; more then 250 high.
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https://paperspast.natlib.govt.nz/newspapers/CHP19740704.2.105
Bibliographic details
Press, Volume CXIV, Issue 33577, 4 July 1974, Page 14
Word Count
70Air pollution Press, Volume CXIV, Issue 33577, 4 July 1974, Page 14
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Acknowledgements
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