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

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Erith 1946

[Report of the Medical Officer of Health for Erith]

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35
SECTION F.—WATER SUPPLY, MILK AND
FOOD AND DRUGS.
F (1). Water Supply.
The water in this district is almost exclusively supplied by
the Metropolitan Water Board. The water though possessing
a considerable degree of hardness, is of good quality and is
palatable. The supply is led direct into the dwellings served
no standpipes being known to exist.
Routine examinations of such supplies have been undertaken
throughout the year with completely satisfactory results,
and arrangements exist with the Kent County Council for 2
samples of this supply to be submitted to the Laboratory
monthly for bacteriological examination.
Specimen Report on the Chemical examination:—
Total solid residue 45.0
Chlorine 2.7
Free ammonia 0.0
Albuminoid ammonia 0.0
Nitrogen as Nitrates 0.4
Oxygen obsorbed ¼hr. at 80 deg. F. 0.009
Oxygen absorbed 4 hrs. at 80 deg. F. 0.018
Nitrites Absent
Total Hardness 27.6
Permanent Hardness 6.6
Temporary Hardness 21.0
Remarks: This water is of excellent organic quality.
F(2)a. Bacteriological Examination of Milk.
The following samples of milk retailed within the Borough
were obtained and forwarded to the County Laboratory for
examination:—
A.
Pasteurised.
Satisfactory.
B.
Pasteurised.
Satisfactory.
C.
Pasteurised.
Satisfactory.
D.
Pasteurised.
Satisfactory.
E.
Pasteurised.
Satisfactory.
F.
Pasteurised.
Satisfactory.
G.
Pasteurised.
Satisfactory.
H.
Pasteurised.
Satisfactory.
I.
Pasteurised.
Satisfactory.