[Report of the Medical Officer of Health for Greenwich Borough] page 214

Greenwich 1966

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

This page requires JavaScript

Table: METROPOLITAN WATER BOARD—WATER EXAMINATION DEPARTMENT Average Results of the Chemical Examination of the Water Supply to the London Borough of Greenwich—Year 1966Milligrames per litre (unless otherwise stated)

Download table as:

METROPOLITAN WATER BOARD—WATER EXAMINATION DEPARTMENT Average Results of the Chemical Examination of the Water Supply to the London Borough of Greenwich—Year 1966

Milligrames per litre (unless otherwise stated)

Description of the Sample	Number of Samples	Ammoniacal Nitrogen	Albuminoid Nitrogen	Nitrate Nitrogen	Oxygen abs. from KMn04 4 hrs at 27° C.	Hardness (total) CaCO3	Hardness (non-carbonate) CaCO3	Magnesium as Mg	Sodium as Na	Potassium as K	Chloride as Cl	Phosphate as P04	Silicate as Si02	Sulphate as S04	Natural Fluoride as F	Surface-active material as Manoxol OT	Turbidity units	Colour (Burgess units)	pH value	Electrical Conductivity (micromhos)
Hampton	52	0.29	0.088	4.1	1.27	286	76	5	24.2	5.0	3.2	1.8	8	62	0.20	0.01	0.1	15	7.8	570
Surbiton	52	0.020	0.087	4.3	1.14	272	76	5	24.2	5.0	34	1.9	8	62	0.20	0.01	0.0	12	7.8	560
Deptford	4	0.013	0.040	5.9	0.20	389	126	9			43		16	122			0.1	3	7.0	740
Wilmington	4	0.008	0.049	7.5	0.35	303	67	2			25		16	30			0.1	2	7.1	570
Darenth	4	0.012	0.041	4.6	0.11	273	42	2			18		14	24			0.2	1	7.1	510
Bexley	4	0.005	0.038	4.9	0.13	323	69	4			19		17	58			0.0	1	7.1	580
Wansunt	6	0.024	0.036	6.3	0.16	340	96	4			26		16	74			0.2	2	7.1	650
(a) Crayford No. 1	2	0.011	0.051	9.0	0.58	448	173	6			37		18	184			0.5	3	6.9	830
(b) „ No. 2	4	0.013	0.028	6.8	0.34	347	96	5			28		20	68			0.4	3	7.1	660
(c) „ No. 3	3	0.015	0.034	6.6	0.43	368	131	2			29		17	134			0.0	2	7.0	700