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
Greenwich 1936
[Report of the Medical Officer of Health for Greenwich Borough]
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GENERAL ANALYSIS OF SAMPLES OF BATH WATER TAKEN FROM SWIMMING BATHS.
| Sample No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| General Condition | Good | Good | Good | Good | Good | Good | Good | Good | Good | Good | Strong smell of chlorine | Satisfactory | |
| General Appearance | Bright & clear | Bright & clear | Bright & clear | Bright & clear | Bright & clear | Bright & clear | Bright & clear | Bright & clear | Bright & clear | Bright & clear | Bright & clear | Bright & clear | |
| No. of micro-organisms developing on gelatin (aerobically) for 3 days at 68° Fah. | Per C.C. | 100 | 706 | 1,403 | 533 | 1,650 | 710 | 120 | 880 | 373 | 40 | Nil | 2,146 |
| No. developing on Agar (aerobically) at 98° Fah. in 48 hours B. Coli present in 50 c.c. to 0.001 C.C. | Per C.C. | 1,326 | 903 | 1,550 | 796 | 3,020 | 776 | 1,163 | 470 | 40 | 376 | Nil | 723 |
| Absent | Absent | Absent | Absent | Absent | Absent | Absent | Absent | Absent | Absent | Absent | Absent | ||
| Coliform Bacillus | Absent | Absent | Absent | Absent | Absent | Absent | Absent | Absent | Absent | Absent | Absent | Absent | |
| Streptococci present in 10 C.C.'s | Absent | Absent | Absent | Absent | Absent | Absent | Absent | Absent | Absent | Absent | Absent | Absent | |
| Remarks | Satisfactory | Very Satisfactory | A good bathwater | A good bathwater | Satisfactory | Firstrate bathwater | Satisfactory | Satisfactory | A good bathwater | A good bathwater | Sterile due to containing 1 part per million chlorine | Satisfactory | |