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

Lambeth 1968

[Report of the Medical Officer of Health for Lambeth Borough]

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Table: Average Results of Chemical ExaminationMilligrammes per litre (unless otherwise stated) TABLE 'B'

Average Results of Chemical Examination

Milligrammes per litre (unless otherwise stated) TABLE 'B'

Description of the SampleNumber of SamplesAmmoniacal NitrogenAlbuminoid NitrogenNitrate NitrogenOxygen abs. from KMnO4 4 hrs at 27° C.B.O.D.. 5 days at 20° C.
River Thames -South of River11560.0230.0814.01.22
Honor Oak40.0140.0190.10.07
Description of the SampleHardness (total) CaC03Hardness (non-carbonate) CaC03Magnesium as MgSodium Potassium as NaSodium Potassium as KChloride as C1
River Thames -South of River*27173422.95.333
Honor Oak3216715
Description of the SamplePhosphate at P04Silicate as Si02Sulphate as S04Natural Fluoride as FSurface-active Material as Manoxol OTCO 2
River Thames -South of River*2.010620.300.02
Honor Oak0.60
Description of the SampleTurbidity unitsColour (Burgess units)pH value
River Thames -South of River*0.1147.9
Honor Oak0.337.2

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* Hampton, Surbiton and Walton.