London's Pulse: Medical Officer of Health reports 1848-1972

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London County Council 1899

[Report of the Medical Officer of Health for London County Council]

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Table 5.—( continued).

Date.Nitrogen as Nitrite inNitrogen as Nitrate in
Crude sewage.Coke.beds of Series A.Coke.beds of Series B.Crude sewage.Coke.beds of Series A.Coke.beds of Series B.
Primary Coarse Bed.Secondary Coarse Bed.Primary Coarse BedSecondary Fine Bed.Primary Coarse Bed.Secondary Coarse Bed.Primary Coarse BedSecondary Fine Bed.
1899.
Oct. 2Nil.0.21000.05600.18200.01820.24311.03431.51561.04120.6947
30.16800.04200.56000.01400.35031.97502.69610.92512.5524
40.14000.11200.21000.02100.34992.22002.35300.39312.0846
50.14000.02100.12600.02100.20531.33521.07982.38171.4421
60.14000.02100.0820Nil0.42182.19002.23502.17752.2500
70.02100.28000.02100.02800.36910.72160.97920.48411.5577
130.14000.02100.21000.01400.24411.44672.11940.87751.1940
140.01820.7000Nil0.02100.23171.84741.78810.82741.0501
160.04200.02800.0350Nil0.29781.20511.84311.33111.5583
170.06300.02800.14000.01400.35591.19600.93131.18920.9594
180.02100.04200.05600.01400.18100.22050.76040.24561.7178
190.11200.02800.08400.01400.20460.25301.03070.11883.0485
200.14000.02100.11200.01820.22700.16930.96270.42282.8098
210.01400.14000.01400.03500.22630.22890.59350.22891.8477
230.02100.04200.01400.02100.23990.41050.71260.29551.6935
240.02100.02800.02100.02800.24210.34380.80540.27602.1342
250.01400.07000.02100.03500.08470.22800.89070.22822.3750
260.18200.02800.01820.04200.10700.21960.94570.28341.6542
280.01400.05600.01400.03500.07990.16530.35330.21350.9708
300.03500.01400.02800.01400.05400.58161.21420.07731.5827
310.11200.01400.0210Nil0.06070.00930.48580.16611.6225
Not. 10.02800.01820.05600.01400.30731.08401.41781.13501.9972
20.01400.04200.01400.01400.17910.28241.41400.16271.5766
30.18200.07000.0140Nil0.11990.15130.85370.29412.1005
40.02100.02800.08400.01400.06230.47661.21410.10232.2298
60.2800.14000.02100.1120Nil0.46701.16371.95330.75172.2690
7Nil0.14000.02800.14000.01400.05930.65951.39600.47182.0730
80.14000.02800.1400Nil0.05850.52501.21610.23431.7410
90.21000.05600.14000.01820.24520.16810.96380.16611.6943
100.21000.04200.2800Nil0.12150.52091.78870.32901.7000
130.14000.02800.14000.02100.06030.59741.42600.56562.3280
140.21000.04200.21000.02800.12450.15311.62100.40251.8100
150.21000.03500.14000.02100.18370.16101.20370.35132.4100
160.21000.03500.21000.02100.22400.01400.62500.16661.9890
170.21000.04200.14000.05600.05490.15750.96200.04581.5620
180.05600.14000.02800.0560Trace0.21650.73370.15701.6520
200.28000.04200.28000.02800.05960.17381.31900.14692.8720
210.21000.04200.21000.02100.12120.52911.29920.03382.6660
220.04200.05600.08400.04200.05790.10361.09730.06162.3630
230.07000.04200.02800.14000.18130.53111.15130.24561.9016
240.05600.04200.04200.14000.18290.25200.81150.25451.6421
250.01400.05600.16800.02800.06000.04480.17920.27340.17541.1978
27Nil0.02100.04200.01400.04200.06050.07000.81550.04850.9348
280.11900.04900.02520.05600.11680.00661.36030.10230.0721
290.01400.02800.03780.01820.03780.04720.11321.36840.10430.2153
300.01400.18200.02800.03220.03220.0466Lost1.35700.11841.5303
Dec. 1Nil0.07000.08400.01400.03500.12030.73350.66850.10901.9817
20.02800.21000.02100.07000.12020.21180.61930.16011.6980
40.02800.21000.02800.02800.02800.21380.22111.44070.21882.0555
5Nil0.2100008400.02100.0420Nil0.28781.10280.16042.4463
70.02100.02800.01400.02100.11980.15880.46930.29300.8491
80.02800.02100.02100.01400.24200.57951.29830.22101.6186
90.04200.14000.35000.0210Trace0.19800.71500.01161.5865
110.01400.02100.04200.04200.23790.29651.21900.33041.5128
120.02800.14000.04200.02100.36880.71310.72010.57141.8435
130.02800.05600.02800.01400.17580.14780.55600.19301.3376
140.14000.02800.02800.02100.24500.21920.23120.09121.2240
150.02100.05600.02100.02100.06220.12550.30230.29130.8119
160.02100.21000.02100.14000.28330.39160.38810.22580.5645
180.14000.02800.14000.04200.11960.22030.56630.03901.3278
190.10500.10500.04200.04200.05950.49680.61380.19981.2833
200.04200.21000.02800.04200.06060.14010.12280.21231.1573
210.04200.02800.14000.02800.04200.01730.15230.16270.33170.2553
22Nil0.01400.02800.0280Nil0.10010.18680.33350.21131.0656
270.05600.08400.02100.05600.02100.06120.03600.69920.04751.2004
28Nil0.05600.02100.01400.01400.05710.12240.44730.22101.2403
290.02100.04200.01400.02800.11290.32130.53700.27191.2833
300.01400.10500.01400.04200.06110.12660.13030.10191.2325
Averages0.0040.09320.07670.06450.04090.16020.44740.92790.35621.5861