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 Merton & Morden]
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| No. | Grade | Methylene Blue Test | Coliform B. | Remarks |
|---|---|---|---|---|
| 1 | 3 | Unsatisfactory | Absent | |
| 2 | 1 | Satisfactory | ||
| 3 | 3 | Unsatisfactory | Present | |
| 4 | 1 | Satisfactory | Absent | |
| 5 | 1 | " | ||
| 6 | 3 | Unsatisfactory | ||
| 7 | 1 | Satisfactory | " | |
| 8 | 2 | " | " | |
| 9 | 2 | " | " | |
| 10 | 2 | |||
| 11 | 3 | Unsatisfactory | ||
| 12 | 1 | Satisfactory | Present | |
| 13 | 4 | Unsatisfactory | " | |
| 14 | 1 | Satisfactory | Absent | |
| 15 | 4 | Unsatisfactory | Present | |
| 16 | 3 | Absent | ||
| 17 | 3 | " | " | |
| 18 | 3 | Present | ||
| 19 | 1 | Satisfactory | " | |
| 20 | 1 | " | " | |
| 21 | 1 | Absent | ||
| 22 | 1 | " | ||
| 23 | 1 | Present | ||
| 24 | 1 | Faecal coli present | ||
| 25 | 1 | Faecal coli present | ||
| 26 | 1 | Absent | ||
| 27 | 3 | Unsatisfactory | Present | |
| 28 | 2 | Satisfactory | Absent | |
| 29 | 2 | Present | ||
| 30 | 1 | Absent | ||
| 31 | 3 | Unsatisfactory | Present | |
| 32 | 3 | Faecal coli present | ||
| 33 | 1 | Satisfactory | Absent | |
| 34 | 3 | Unsatisfactory | Present | Faecal coli present |
| 35 | 1 | Satisfactory | " | |
| 36 | 3 | Unsatisfactory | Absent | |
| 37 | 3 | Present | ||
| 38 | 2 | Satisfactory | ||
| 39 | 2 | Absent | ||
| 40 | 3 | Unsatisfactory | " | |
| 41 | 4 | |||
| 42 | 3 | " | Present | |
| 43 | 2 | Satisfactory | " | |
| 44 | 2 | Absent | ||
| 45 | 2 | |||
| 46 | 1 | |||
| 47 | 2 | " | ||
| 48 | 2 | " | Present | Faecal coli present |
| 49 | 1 | " | Absent |