London's Pulse: Medical Officer of Health reports 1848-1972
View report page
Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
London County Council 1899
[Report of the Medical Officer of Health for London County Council]
This page requires JavaScript
Table 7—(
| Date, 1898. | Sewage chemically treated and sedimented as supplied to the coke.bed. | Coke.bed effluent. | Quantity treated. Gallons. | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Oxygen absorbed from permanganate in four hours. | Nitrogen as | Oxygen absorbed from permanganate in four hours. | Nitrogen as | ||||||
| By the total oxidisable matter. | By the dissolved oxidisable matter. | Nitrite. | Nitrate. | By the total oxidisable matter. | By the dissolved oxidisable matter. | Nitrite. | Nitrate. | ||
| 1899. | |||||||||
| Oct. 31 | 5.294 | 3.725 | Nil. | 0.0592 | 0.618 | 0.518 | 0.0140 | 0.1381 | 449,400 |
| 454,750 | |||||||||
| Nov. 1 | 4.607 | 3.333 | 0.1846 | 0.690 | 0.545 | 0.0140 | 0.4785 | 454,750 | |
| 454,750 | |||||||||
| ” 2 | 3.823 | 2.450 | 0.0565 | 0.520 | 0429 | 0.0280 | 0.0905 | 454,750 | |
| 454,750 | |||||||||
| ” 3 | 2.941 | 1.862 | 0.1120 | 0.0388 | 0.591 | 0.469 | 0.0182 | 0.3509 | 460,100 |
| ” 4 | 1.960 | 1.078 | 0.0840 | 0.3460 | 0.540 | 0.387 | 0.0350 | 0.4618 | 472,358 |
| 455,285 | |||||||||
| ” 6 | 2.058 | 1.274 | 0.1120 | 0.2560 | 0.415 | 0.336 | 0.0280 | 0.3945 | 455,285 |
| 438,212 | |||||||||
| ” 7 | 3.333 | 2.549 | 0.5600 | 0.0525 | 0.574 | 0.455 | 0.0350 | 0.3340 | 455,285 |
| 454,750 | |||||||||
| ” 8 | 4.117 | 2.254 | 0.0420 | 0.3013 | 0.504 | 0.396 | 0.0210 | 0.5996 | 454,750 |
| 460,100 | |||||||||
| ” 9 | 3.137 | 2.254 | 0.0560 | 0.0867 | 0.554 | 0.445 | 0.0140 | 0.2923 | 454,750 |
| 454,750 | |||||||||
| ” 10 | 4.126 | 2.647 | 0.0700 | 0.2201 | 0.416 | 0.307 | 0.0210 | 0.3040 | 422,564 |
| 422,564 | |||||||||
| ” 11 | 2.647 | 1.764 | Nil | Trace | 0.526 | 0.419 | 0.0210 | 0.2133 | 422,564 |
| 422,564 | |||||||||
| ” 13 | 4.216 | 3.333 | ” | 0.0603 | 0.616 | 0.482 | 0.0210 | 0.3324 | 422,564 |
| 454,750 | |||||||||
| ” 14 | 4.901 | 3.823 | ” | 0.1224 | 0.660 | 0.526 | 0.0280 | 0.2717 | 422,564 |
| 422,564 | |||||||||
| ” 15 | 4.500 | 3.500 | ” | 0.1806 | 0.634 | 0.461 | 0.0210 | 0.3491 | 347,482 |
| 422,564 | |||||||||
| ”16 | 4.400 | 4.000 | ” | 0.0973 | 0.596 | 0.480 | 0.0280 | 0.3370 | 422,564 |
| 454,750 | |||||||||
| ” 17 | 1.700 | 1.800 | ” | 0.0354 | 0.443 | 0.413 | 0.0210 | 0.3541 | 460,100 |
| ” 18 | 4.400 | 2.600 | ” | 0.0675 | 0.634 | 0.480 | 0.0420 | 0.4360 | 422,564 |
| 347,482 | |||||||||
| ” 20 | 4.200 | 3.200 | ” | 0.0596 | 0.586 | 0.471 | 0.0420 | 0.4560 | 465,450 |
| 454,750 | |||||||||
| ” 21 | 4.803 | 3.725 | ” | 0.1810 | 0.622 | 0.513 | 0.0420 | 0.5680 | 422,564 |
| 347,482 | |||||||||
| ” 22 | 5196 | 4.117 | ” | 0.1146 | 0.651 | 0.522 | 0.0420 | 0.4154 | 422,564 |
| 454,750 | |||||||||
| ” 23 | 4.313 | 3.529 | 0.0560 | 0.2420 | 0.963 | 0.899 | 0.0700 | 0.6475 | 347,482 |
| 366,277 | |||||||||
| ” 24 | 4.705 | 3.529 | Nil | 0.3067 | 0.558 | 0.477 | 0.0560 | 0.4388 | 354.432 |
| 347,482 | |||||||||
| ” 25 | 4.356 | 3.465 | ” | 0.0581 | 0.563 | 0.447 | 0.0420 | 0.1917 | 429,259 |
| 452,750 | |||||||||
| ” 27 | 5.248 | 4.455 | ” | 0.0800 | 0.660 | 0.602 | 0.0140 | 0.5360 | 454,750 |
| 347,482 | |||||||||
| ” 28 | 5.800 | 4.500 | 0.0280 | 0.0333 | 0.702 | 0.615 | 0.0322 | 0.1540 | 465,450 |
| 449,400 | |||||||||
| ” 29 | 5.700 | 4.200 | 0.0140 | 0.0985 | 0.760 | 0.635 | 0.0322 | 0.0928 | 454,750 |
| 454,750 | |||||||||
| ” 30 | 5.500 | 4.300 | 0.0140 | 0.0170 | 0.712 | 0.635 | 0.0322 | 0.0102 | 465,450 |
| 470,800 | |||||||||
| Dec. 1 | 5.700 | 4.500 | 0.0322 | 0.0481 | 0.731 | 0.630 | 0.0210 | 0.1480 | 465,450 |
| 460,976 | |||||||||
| ” 2 | 3.300 | 2.200 | Nil | 0.3006 | 0.811 | 0.555 | 0.0210 | 0.4638 | 455,285 |
| ” 4 | 3.900 | 2.600 | 0.0420 | 0.2041 | Lost | 0.666 | 0.0280 | 0.2766 | 454,750 |
| 426,830 | |||||||||
| ” 5 | 3.400 | 2.900 | 0.0280 | 0.3445 | 0.759 | 0601 | 0.0210 | 0.5923 | 454,750 |
| 426,830 | |||||||||
| ” 6 | 4.200 | 3.700 | Nil | 0.0606 | 0.685 | 0.527 | 0.0210 | 0.2802 | 455,285 |
| 432,521 | |||||||||
| ” 7 | 5.445 | 4.059 | 0.0598 | 0.734 | 0.632 | 0.0210 | 0.2218 | 454,750 | |
| 438,212 | |||||||||
| ” 8 | 5.148 | 4.059 | 0.0560 | 0.0635 | 0.663 | 0561 | 0.0280 | 0.1010 | 465,450 |
| 386,626 | |||||||||
| ” 9 | 4.800 | 3.300 | Nil | 0.1231 | 0.650 | 0.620 | 0.0420 | 0.3251 | 454,750 |
| 454,750 | |||||||||
| ” 11 | 5.600 | 4.700 | ” | 0.2481 | 0.740 | 0.670 | 0.0420 | 0.5714 | 454,750 |
| 454,750 | |||||||||
[5]