Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Hanover Square, The Vestry of the Parish of Saint George]
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89
APPENDIX TO THE REPORT
of the
Medical Officer of Health.
Table VII.
Month. | Ports per 100,000. | Parts per 100 Millions. | ||||
---|---|---|---|---|---|---|
Total Solid Residue. | Chlorine = | Common Salt. | Saline Ammonia. | Organic Ammonia. | ||
Grand Junction Company's Water. | April 1877 | 28 | 1.7 | 2.8 | 0 | 12.0 |
May „ | 28 | 1.6 | 2.0 | 0.8 | 100 | |
June „ | 26 | 1.6 | 2.6 | 0.6 | 10.8 | |
July „ | 30 | 1.4 | 2.3 | 0.8 | 8.0 | |
August „ | ||||||
September „ | 29 | 1.4 | 2.3 | 1.80 | 8.4 | |
October „ | 28 | 1.8 | 3.0 | 0 | 11.0 | |
November ,, | 32 | 1.6 | 2.6 | 5.0 | 14.8 | |
December „ | 28 | 1.5 | 2.5 | 2.0 | 11.4 | |
January 1878 | 29 | 1.7 | 2.8 | 0 | 9.4 | |
February „ | 35 | 1.7 | 2.8 | 10 | 13.8 | |
March „ | 32.8 | 1.6 | 2.0 | 2.60 | 14.0 | |
Average . | 29.5 | 1.7 | 2.8 | 1.94 | 11.4 | |
Chelsea Company's Water. | April 1877 | 28 | 1.6 | 2.0 | 0 | 8.4 |
May „ | 30 | 1.6 | 2.0 | 1.34 | 10.6 | |
June „ | 28 | 1.6 | 2.6 | 6.6 | 8.4 | |
July „ | 29 | 1.6 | 2.6 | 1.0 | 7.4 | |
August „ | ||||||
September „ | 33 | 1.6 | 2.6 | 1.20 | 9.4 | |
October „ | 28 | 1.5 | 2.5 | 1.34 | 9.8 | |
November „ | 27 | 1.6 | 2.6 | 1.3 | 8.0 | |
December „ | 30 | 16 | 2.6 | 1.6 | 9.8 | |
January 1878 | 30 | 1.6 | 2.6 | 1.0 | 10.0 | |
February „ | 32 | 1.5 | 2.5 | 0 | 11.0 | |
March „ | 30 | 1.6 | 2.6 | 2.66 | 14.0 | |
Average . | 29.5 | 1.66 | 2.7 | 1.7 | 9.7 |