[Report of the Medical Officer of Health for London, City of ] page 27

City of London 1972

[Report of the Medical Officer of Health for London, City of ]

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TABLE II

ANALYSIS OF DEPOSITED MATTER IN RAINFALL COLLECTED AT GUILDHALL FOR THE YEAR 1972.

	TOTAL UNDISSOLVED MATTER		ASH		TOTAL DISSOLVED MATTER		TOTAL SOLIDS		CA2 +		S042		CL
MONTH	G Deposit MG/M2D		G Deposit MG/M2D		G Deposit MG/M2D		G Deposit MG/M2D		G Deposit MG/M2D		G Deposit MG/M2D		G Deposit MG/M2D
January	0.2731	120	0.1480	65	0.6094	267	0.8825	387	0.872	38	0.2260	99	0.0270	12
February	0.3010	141	0.1403	66	0.4954	232	0.7964	373	0.0793	37	.0.3290	154	0.0372	17
March	0.4836	193	0.2812	112	0.5516	221	1.0352	414	0.0946	38	3.2592	104	0.0384	15
April	0.2464	134	0.1606	87	0.3362	183	0.5826	317	0.1580	86	0.0562	31	0.0282	15
May	0.2387	101	0.1570	67	0.2975	126	0.5362	228	0.0619	26	0.0428	18	0.0182	8
June	0.799	34	0.0373	16	0.4033	171	0.4832	205	0.0890	38	0.0433	18	0.0114	5
July	0.1633	77	0.1086	51	0.2027	95	0.3660	172	0.0646	30	0.0437	20	0.0152	7
August	0.0534	24	0.0338	15	0.2256	102	0.2790	126	0.0648	29	0.0181	8	0.0110	5
September	0.0805	34	0.0413	18	0.1376	58	0.2181	93	0.0427	18	0.0145	6	0.0066	3
October	0.1714	75	0.0878	38	0.2815	123	0.4529	199	0.0594	26
November
December	0.0953	52	0.0671	37	0.4170	227	0.5123	279	0.1615	88	0.0455	25	0.0182	10

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Due to a fault in the equipment no results are available for the month of November.
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