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

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Shoreditch 1930

[Report of the Medical Officer of Health for Shoreditch]

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51
Sample No. 18—Pasteurized Milk.
No. of bacteria per 1 c.c.—222,500 (a) 1/10 c.c. 19,760 )
(b) 1/100 c.c. 2,140
(c) 1/1000 c.c. 256 Not more than 100,00 allowed.
Presence of B. coli in 1/10 c.c. in three tubes:—
48 hrs. 72 hrs.
1. — —
2. — —
3. — —
Sample No. 19—Pasteurized. Milk.
No. of bacteria per 1 c.c.—128,000 (a) 1/10 c.c. 11,800
(b) 1/100 c.c. 1,220
(c) 1/1000 c.c. 146) NOt more than 100,00 allowed.
Presence of B. coli in 1/10 c.c. in three tubes:—
48 hrs. 72 hrs.
1. + +
2. + +
3. + +
Notes on these samples.
Sample No. 16—Grade "A" T.T. Milk.
Warning letter was sent by M.O.H. 8/4/30.
Endeavours were made to obtain further samples of Grade "A" Milk, but were
unsuccessful.
Sample No. 17— "Pasteurized Milk."
Sample No. 18— „ „
Sample No. 19— „ „
Warning letters were sent in each case and further samples were taken which
conformed to the standard. The explanation given was that due care
had not been taken by the man in charge of the Pasteurizing plant.
Sample No. 15— "Pasteurized" Milk.
Warning letter sent by the M.O.H. 8/4/30.
The explanation given was that the milk was wrongly labelled and should not
have been sold as designated milk. Sale of "Pasteurized" milk has been
discontinued in the Borough by this vendor.
Treatment of Milk by Heat.
An enquiry was carried out during the year with the object of ascertaining the
extent to which milk sold in the Borough is subjected to heat before reaching the
purchaser. It was found that, with the exception of the relatively very small
quantity of milk supplied from the two cow sheds in the Borough, milk sold in
Shoreditch is obtained wholesale from some seventeen firms. A letter was written