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

View report page

London County Council 1899

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

This page requires JavaScript

Splashing Experiments.

Table II.

Number of ExperimentDate of Experiment.Direction and Force of Wind.Barometrical pressure.Temperature (shade).Temperature of Sewer Air.Current of Air in Sewer.Quantity of Sewage.Vols. of CO2 in per 10.000 Fresh Air..Vols. of CO2 in per 10.000 Fresh AirTime Experiment began.Time Experiment finished.Organisms in 10 litres of normal sewer air.Organisms in 10 litres of Sewer Air during splashing.Organisms in 10 litres of Sewer Air during splashing.Total.Remarks.
Moulds.BacteriaTotal.Moulds.Bacteria.Total.Moulds.Bacteria.
11891. Nov. 20ths.w. Fair breeze29.90–552 ft. per second against HowLess than normal–13.86 12.3412.30 p.m.3.20 p.m.1752220 0 8feet 7feet712 65 4feet 21feet86Moderately fine day; sewer walls very wet.
2Nov. 25thS.E. Moderate29.78–553 ft. per second against flowNormal–13.17 13.172.45 p.m.4.45 p.m.018180 427 feet330 87feet7Fine day; no sewage had been flowing for two days owing to repairs.
3Dec. 2ndS.W. Moderate29.48–56.5Slight to 3 ft. per second against flowRather more than normal–11.792.40 p.m.5.0 p.m.4064047350549Fine day; sewage had been diverted for some days, owing to repairs; sewer walls very damp.