[Report of the Medical Officer of Health for Greenwich Borough] page 46

Greenwich 1955

[Report of the Medical Officer of Health for Greenwich Borough]

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TABLE III.—Rainfall, Monthly Deposit in Tons per Square Mile and Sulphur Dioxide by the Lead-Peroxide Method

Month & Year	Rainfall mm.	Insoluble Deposit	Soluble Deposit	Total Solids	SO3mg./day/100 cm2 of Batch A Lead Peroxide
		tons per square mile
		tons per square mile				October 1954		36	16.02	6.86	22.88	2.93
		November „		87		26.52	13.78	40.30	3.56
		December „		46		24.78	13.19	37.97	3.02
		January 1955		56		34.19	14.17	48.36	3.76
		February „		33	13.09	13.32	26.41	4.50
March „	24	43.51	11.74	55.25	3.9
April „	19	22.9	6.3	29.2	2.5
May „	91	37.4	17.4	54.8	(a)
June „	56	28.0	13.8	41.8	2.6
July „	1	24.8	5.8	30.6	2.1
August „	22	39.9	8.5	48.4	3.1
September „	58	31.3	12.6	43.9	2.8
October „	84	31.5	16.1	47.6	4.1
November ,,	6	24.6	8.4	33.0	3.2
December „	44	37.6	11.8	49.4	4.0
January 1956	79	31.1	12.7	43.8	5.0
February „	21	42.6	10.2	52.8	4.4

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TABLE IV.—oncentration of Smoke and Sulphur Dioxide by the Volumetric Method.