Pollution readings
Average air pollution readings in central Christchurch, taken by the Health Department at the Reserve Bank building and in Manchester Street for the 24 hours ended 9 a.m., yesterdav, were: Smoke: 30, low. Sulphur dioxide 45, low. Nitrogen oxides: 81, low. The figures for the inner suburban area for the same period were:
Smoke: 34, low. Sulphur dioxide: 29, low. Nitrogen oxides: 47, low. Readings are in micrograms per cubic metre. Levels are: Sulphur dioxide: less than 60, low; more than 200, high. Smoke: less than 40, low; more than 120, high. Nitrogen oxides: less than 100, low; more than 250, high.
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Bibliographic details
Press, 13 July 1976, Page 20
Word Count
104Pollution readings Press, 13 July 1976, Page 20
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