[Report of the Medical Officer of Health for Hornsey, Borough of] page 37

Hornsey 1955

[Report of the Medical Officer of Health for Hornsey, Borough of]

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ATMOSPHERIC POLLUTION—SUMMARY OF REPORTS FOR THE YEAR

( a) Roof of Town Hall. (b) Church of Christ—Wightman Road. (c) Mather's Factory—Frobisher Road.

1955	Rainfall in inches			Total water-insoluble matter			Deposit in Tons per Square Mile						Total solids
	Rainfall in inches			Total water-insoluble matter			Ash			Total water-soluble matter			Total solids
	(a)	(b)	(c)	(a)	(b)	(c)	(a)	(b)	(c)	(a)	(b)	(c)	(a)	(b)	(c)
January	2.51	2.30	2.20	10.90	19.40	11.50	6.50	13.00	6.90	9.80	11.60	10.00	20.70	31.00	21.50
February	1.53	1.59	1.49	8.23	24.08	7.82	5.37	*	4.95	5.53	9.33	6.17	13.76	33.41	13.99
March	1.14	1.08	1.16	11.37	21.95	10.23	7.92	16.64	6.66	6.10	8.52	7.70	17.47	30.47	17.93
April	0.38	0.233	0.315	9.39	13.69	9.05	6.51	8.80	5.85	3.48	5.09	3.35	12.87	18.78	12.40
May	4.94	4.43	4.76	15.57	27.85	9.11	11.62	20.51	5.52	8.67	8.57	8.32	24.24	36.42	17.43
June	2.49	2.42	2.26	10.39	22.67	7.21	7.22	17.37	4.45	4.35	5.90	3.86	14.74	28.57	11.07
July	0.14	0.11	0.21	5.88	19.85	6.29	3.81	15.63	4.25	1.79	4.66	2.20	7.67	24.51	8.49
August	1.27	1.37	1.35	7.24	16.44	7.85	4.71	11.94	5.18	2.97	3.87	3.59	10.21	20.31	11.44
September	1.75	1.69	1.73	8.94	18.07	6.44	6.62	12.17	4.01	3.61	4.66	3.47	12.55	22.73	9.91
October	2.79	2.67	2.77	10.80	31.43	6.40	8.18	25.39	3.73	6.90	8.24	6.60	17.70	39.67	13.00
November	0.39	0.64	0.61	5.46	†	7.47	3.15	†	4.56	3.25	5.65	5.26	8.71	†	12.73
December	1.77	1.79	1.67	7.87	16.96	8. 95	5.10	11.99	5.43	5.69	7.90	7.12	13.56	24. 86	16.07
*Ash not measured owing to fracture of vessel. †Not measured owing to presence of glass wool which had disintegrated and mixed with the deposit.