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
Yiewsley and West Drayton 1964
[Report of the Medical Officer of Health for Yiewsley]
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| Location | Type | Residual Chlorine p.p.m. | Colonies per ml 2 days | Colonies per ml 3 days | Bad. coli (type 1) Probable number per 100 ml | Presumptive Coliaerogenes Probable number per 100 ml |
|---|---|---|---|---|---|---|
| West Drayton P.S. | Treated Water | 0 | 5 | 0 | 0 |
Sample No.: 66284. Date Taken: 20th November 1964.,
Remarks: This water is moderately hard in character but contains no excess of mineral or saline constituents in solution.
It conforms to the highest standards of bacterial and organic purity.
| Location: | West Drayton Pumping Station. | Raw or Treated: | Treated. |
|---|---|---|---|
| Nil Hazen. | 20 p.p.m. | ||
| Nil p.p.m. | 230 p.p.m. | ||
| Nil. | 220 p.p.m. | ||
| Normal. | Non-Carbonate | Nil p.p.m. | |
| 7.6. | Total | 220 p.p.m. | |
| 475. | .10 p.p.m. | ||
| 330 p.p.m. | Nil p.p.m. | ||
| 4 p.p.m. | Nil p.p.m. | ||
| 042 p.p.m. | Nil p.p.m. | ||
| 036 p.p.m. | |||
| 001 p.p.m. | |||