London's Pulse: Medical Officer of Health reports 1848-1972

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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London

Marylebone 1957

[Report of the Medical Officer of Health for St. Marylebone, Metropolitan Borough]

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Table: TABLE 7.—Air Pollution.Readings from Deposit Gauges and Other Apparatus for MeasuringAir Pollution

TABLE 7.—Air Pollution.

Readings from Deposit Gauges and Other Apparatus for Measuring

Air Pollution

SiteJan.Feb.Mar.Apr.MayJuneJulyAug.Sept.Oct.Nov.Dec.
Insoluble Matter—Tons tier so. mile (collected in deposit gauges)
N.L.27.914.817.812.113 212.214.112.613.313.06.815.9
T.H.9.310.813.414.412.110.08.89.57.513.55.912.1
D.S.10.312.120.77.517.315.09.411.510.38.39.64.7
Soluble Matter—Tons per sq. mile (collected in deposit gauges)
N.L.9.57.97.03.06.43.66.66.35.15.48.26.9
T.H.6.79.17.84.26.95.69.07.08.06.56.18.7
D.S.4.88.36.43.26.36.27.64.45.44.78.45.6
Sulphur Trioxide—Milligrams per Day Collected (per 100 sq. cm. of lead peroxide)
N.L.5.13.73.11.41.41.41.31.01.52.83.04.9
T.H.4.95.45.12.82.42.12.22.02.94.54.97.0
E.R.5.04.34.63.32.21.71.61.42.24.04.56.0
Smoke— Milligrams per 100 cubic metres of air average per day (Volumetric method)
T.H.3035421910810813342643
G.P.—3941241169712343048
Sulphur Dioxide—Parts per 100 million parts of air average per day (Volumetric method)
T.H.111216965456121220
G.P.—1513744245101019

Table: Annual Daily Average of Mean Concentration of Smoke and Sulphur Dioxide.

Annual Daily Average of Mean Concentration of Smoke and Sulphur Dioxide.

Site195719561955
Smoke mg./100m3SO2 p.p. 100m.Smoke mg./100m3so2p.p. 100m.Smoke mg./100m3so2p.p. 100m.
T.H.2393411399
G.P.248329517
Annual Daily Average of Mean Concentration of Smoke and Sulphur Dioxide.
Site195719561955
Smoke mg./100m3SO2 p.p. 100m.Smoke mg./100m3so2 p.p. 100m.Smoke mg./100m3so2 p.p. 100m.
T.H.2393411399
G.P.248329517

Table: Annual Monthly Average of Deposited Matter and Sulphur Trioxide.

Annual Monthly Average of Deposited Matter and Sulphur Trioxide.

Site195719561955
Tons per sq. mileMg. per 100 sq. cm. Pb02Tons per sq. mileMg. per 100 sq. cm. Pbo2Tons per sq. mileMg. per 100 sq. cm. Pb02
T.H.17.73.919.223.919.024.03
N.L.20.82.617.242.417.562.47
D.S.17.3-18.9-19.3-
E.R.—3.4-3.5—3.7

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Notes to Table 7—
Sites: N.L. Nuffield Lodge
T.H. Town Hall
E.R. Edgware Road
G.P. Greville Place
D.S. Devonshire Street (maintained by the D.S.I.R.)
* The figures given for 1955 are based upon the average for six months—July to December
inclusive—as recording apparatus was not used before that date.
† During fog, recordings are taken at three-hourly intervals.