Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Annual report of the Medical Officer of Health for the year 1964
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Month 1964 | Days Exposed | Rain fall (ins) | Total Deposits for period in tons per sq. mile | Deposits per day in tons per sq. mile (av.) | ||||
---|---|---|---|---|---|---|---|---|
Soluble | In-Soluble | Total | Soluble | In-Soluble | Total | |||
January | 30 | 0.40 | 5.71 | 9.40 | 15.11 | .190 | .313 | .503 |
February | 31 | 0.80 | 6.71 | 12.63 | 19.34 | .216 | .407 | .623 |
March | 30 | 2.84 | 5.69 | 11.02 | 16.71 | .189 | .367 | .556 |
April | 30 | 2.96 | 6.52 | 10.30 | 16.82 | .217 | .343 | .560 |
May | 31 | 1.95 | 6.42 | 9.88 | 16.30 | .213 | .318 | .531 |
June | 30 | 3.58 | 12.26 | 7.47 | 19.73 | .408 | .249 | .657 |
July | 30 | 1.06 | 4.81 | 5.13 | 9.94 | .160 | .171 | .331 |
August | 32 | 1.43 | 6.40 | 8.59 | 14.99 | .200 | .468 | .668 |
September | 30 | 0.57 | 4.82 | 10.93 | 15.75 | .160 | .525 | .685 |
October | 29 | 1.54 | 6.17 | 9.64 | 15.81 | .212 | .332 | .544 |
November | 32 | 1.33 | 7.79 | 9.47 | 17.26 | .243 | .295 | .538 |
December | 31 | 0.95 | 6.17 | 11.43 | 17.60 | .199 | .368 | .567 |
TOTALS | 366 | 19.41 | 79.47 | 115.89 | 195.36 | - | - | - |
Estimation of Atmospheric Sulphur Milligrams of Sulphur Trioxide per day.
Month | Days Exposed | Chelsea Polytechnic |
---|---|---|
January | ||
February | ||
March | ||
April | ||
May | ||
June | ||
July | ||
August | ||
September | ||
October | ||
November | ||
December | ||
Average for year:- |