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

Islington 1883

[Report of the Medical Officer of Health for Islington, Parish of St Mary]

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Table: WATER ANALYSIS.In the following Tables I have stated the analyses (made monthly) of the New River Company's Water, and recorded by me during the year.Analyses of Samples taken from the Works of the Company.

WATER ANALYSIS.

In the following Tables I have stated the analyses (made monthly) of the New River Company's Water, and recorded by me during the year.

Analyses of Samples taken from the Works of the Company.

1882.Total Solid Matter.Chlorine.Equal to Chloride of Sodium.Nitrogen as Nitrates.Nitrogen as Ammonia.Oxygen required to oxidise Organic Matter.Degree of Hardness.Degree after boiling ¼ of an hour.Organic Carbon.Organic Nitrogen.
January22.001.081.770.1880.0010.06617.05°4.2°....
February21.001.222.010.2400 0010.06215.95°3.75°......
March..1161.910.0290.0000.02015.84°..0.0790.010
April18.091.081.770.2190.0000.01515.4°3.3°....
May19.001.2242.0060.2080.0000.04015.4°2.4°....
June18.51.222.000.1670.0000.02215.4°2.85°....
July19.001.2242.0060.167..0.02615.9°3.3°....
August17.41.332.180.1560.000001214.3°3.3°....
September..1.2522.0530.1640.0000.00814.1°..0.0110.013
October22.401.2242.00001980.0000.01815.4°3.3°....
November22.801.0801.770.1880.0000.01217.5°2.5°....
December24.001.2242.0060.2290.0000 04016.0°4.1°....
Average17.011.1931.9150.1790.0000.02815.7°2.7°0.0450.059

Table: A nalyses of S amples taken from the M ains of the C ompany.

A nalyses of S amples taken from the M ains of the C ompany.

1882.Total Solid Matter.Chlorine.Equal to Chloride of Sodium.Nitrogen as Nitrates.Nitrogen as Ammonia.Oxygen required to oxidise Organic Matter.Degree of Hardness.Degree after boiling ¼ of an hour.Organic Carbon.Organic Nitrogen.
January..1141.880.2350.0000.03116.77°..0.1310.015
February..1.191.960.2570.0000.05616.70°..0.1080.018
March....................
April..1.101.810.2150.0000.01915.8°..0.0390.010
May..1.2232.0030.1980.0000.01615.95°..0.0650 020
June..1.2131.9740.1690.0000.01816.9°..0.0650.017
July..1.2071.9640.1870.0000 02114.7°..0.0430.011
August..1.262.060.1670.0000.02014.8°..0.0420.013
September....................
October..1.1521.8880.1 770.0000.01615.7°..0.0350.018
November..1.2051.990.1790.0000.01715.9°..0.0370.011
December..1.2242.0060.2290.0000 03116.9°..0.0480.019
Average..1.1911.9470.2010.0000.02516.9°..0.0610.015