Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Stoke Newington, The Metropolitan Borough]
This page requires JavaScript
21.
DAILY SUPLHUR DIOXIDE - TABLE 4 (SO2 in parts per million)
Month | Average Reading | Highest Reading |
---|---|---|
January | 9 | 30 |
February | Apparatus Defective-Insufficient readings | |
March | 8 | 25 |
April | 4 | 11 |
May | 6 | 10 |
June | 4 | 9 |
July | 4 | 10 |
August | 3 | 7 |
September | 4 | 11 |
October | 6 | 23 |
November | 9 | 20 |
December | 10 | 29 |