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

London County Council 1899

[Report of the Medical Officer of Health for London County Council]

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Expt.Description of the samples.Total number of bacteria in 1 c.c. of the sample.Number of spores of bacteria in 1 c.c. of the sample.Number of bacteria causing liquefaction of the gelatine in 1 c.c. of the sample.Remarks.
1.2.3.4.5.
22Crossness effluent from laboratory vessel (6-foot coke - bed effluent again treated in laboratory), July 27, i898.This sample was examined for B. enteritidis only.Spores of B. enteritidis present in 1.0 and 0.1 c.c.; absent in 0.01 c.c. effluent.
23Crossness crude sewage, Aug. 4, 1898.4,200,000 (one expt. with 0.00001 c.c. sewage).280 (one expt. with 0.1 c.c. sewage).400,000 (one expt. with 0.00001 c.c. sewage).Spores of B. enteritidis in 0.1 and 0.01 c.c. crude sewage. B. coli, 200,000 in 1 c.c. crude sewage."Sewage proteus" 200,000 in 1 c.c. crude sewage.
24Crossness effluent from 4-foot coke-bed, Aug. 4, 1898.1,800,000 (one expt. with 0.00001 c.c. effluent).220 (one expt. with 0.1 c.c. effluent).500,000 (one expt. with 0.00001 c.c. effluent).Spores of B. enteritidis in 0.1 and 0.01 c.c. effluent. B. coli, 300,000 in 1 c.c. effluent."Sewage proteus," 200,000 in 1 c.c. effluent.
25Crossness effluent from 6-foot coke-bed, Aug. 4, 1898.This sample was exam ined for B. enteritidis only.Spores of B. enteritidis in 0.1 c.c. effluent.
26Crossness effluent from laboratory vessel (6-foot coke - bed effluent again treated in laboratory), Aug. 4,1898.do.Spores of B. enteritidis in 0.1 c.c. effluent.
27Crossness crude sewage, Aug. 9, 1898.3,600,000 (one expt. with 0.00001 c.c. sewage).340 (one expt. 0.1 c.c. sewage).1,100,000 (one expt. with 0.00001 c.c. sewage).Spores of B. enteritidis in 0.1 c.c.; not in 0.01 c.c. sewage. B. coli, 1,000,000 in 1 c.c. sewage.
28Crossness effluent from 6-foot coke-bed, Aug. 9, 1898.1,700,000 (one expt. with 0.00001 c.c. effluent).300 (one expt. with 0.1 c.c. effluent).200,000 (one expt. with 0.0000l c.c. effluent).Spores of B. enteritidis present in 0.1 and 0.01 c.c. effluent. B. coli, 200,000 in 1 c.c. sewage.
29Crossness effluent from 4-foot coke-bed, Aug. 9, 1898.This sample was exam ined for B. enteritidis only.Spores of B. enteritidis in 0.1 and 0.01 c.c. effluent.
30Crossness effluent from laborat ory vessel (6-foot coke - bed effluent again treated in laboratory), Aug. 9, 1898.do.Spores of B. enteritidis in 0.1; not in 0.01 c.c. effluent.