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 Wandsworth, Metropolitan Borough]
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Month. | Total Solid Matters | Ammonia. | Albuminoid Ammonia. | Nitrogen as Nitrates. | Total Combined Nitrogen. | Organic Carbon. | Organic Nitrogen. | Oxygen required to oxidise. | Chlorine. | Colour. | Quality. | Compared with Kent averages 9 years ending 1876 as unity. | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
4 hours at 80oF | 1 hour at 1220 F. | Kent. | Southwark. | ||||||||||||
January | 28.78 | .0 | .0105 | .181 | .204 | .228 | .023 | .129 | .140 | Very pale yellow | Good | ||||
February | 34.18 | .0 | .010 | .340 | .360 | .195 | .020 | .113 | .123 | 1.85 | Do. | do. | Do. | 0.9 | |
March | 32.68 | .0 | .0085 | .271 | .292 | .200 | .021 | .116 | .124 | 1.75 | Do. | do. | Do. | 1.1 | 3.7 |
April | 31.50 | .0 | .0065 | .250 | .271 | .183 | .021 | .066 | .071 | 1.75 | Do. | do. | Do. | 0.8 | 3.5 |
May | 26.98 | .0 | .0065 | .201 | .255 | .116 | .014 | .065 | .071 | 1.6 | Do. | do. | Do. | 0.6 | 2.2 |
June | 26.04 | .0 | .0075 | .160 | .177 | .156 | .017 | .070 | .077 | 1.6 | Do. | do. | Do. | 0.9 | 2.9 |
25.22 | .0 | .008 | .141 | .182 | .020 | .085 | .092 | 1.65 | Do. | do. | Do. | 0.9 | 3.4 | ||
August | 26.32 | .0075 | .142 | .160 | .018 | .070 | .076 | 1.75 | Do. | Do. | 0.7 | 2.7 | |||
September | 25.70 | .007 | .160 | .123 | .013 | .065 | .071 | 1.8 | Do. | Do. | 0.7 | 2.3 | |||
October | 26.90 | .0075 | .210 | .227 | .017 | .074 | .080 | 1.8 | Do. | Do. | 0.8 | 3.2 | |||
November | 23.58 | .0 | .0125 | .103 | .124 | .213 | .021 | .118 | .136 | 1.75 | Pale yellow | Do. | 0.8 | ||
December | 33.30 | trace | .010 | .302 | .320 | .185 | .018 | .106 | .122 | 1.80 | Very pale yellow | Do. | 0.8 | 3.4 |
Report of the Medical Officer of Health. 119