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Metallic Contamination and Preservative.— One sample of Tinned
Puree examined for tin and preservative and one sample of Tinned Peas
examined for copper and preservative were satisfactory.
Export.— 2 samples of Bacon, 1 sample of Turtle Soup and 1 sample
of Meat Extract were free from preservative.
Cause of Illness.— 3 samples, said to have caused illness, consisted
of Rum, Sardines and Tinned Salmon. These were free from harmful
ingredients or impurities.
Other Samples.— Other samples were:— Formalin 2 (complied with
the requirements of the specification), drainage water (no sewage detected),
plaster (contained salt), milk (free from dirt) and 4 samples of dust.
Rag Flock Act. According to the standard of cleanliness required
by the Rag Flock Regulations, rag flock must not contain more than 30
parts of chlorine in 100,000 parts of the flock. One formal sample
containing 44 parts of chlorine per 100,000 was unsatisfactory.
Pharmacy and Poisons Act. One sample of Paste analysed contained
13 per cent, of barium carbonate.
Borough Engineer. 10 samples comprised: Carbolic Powder 7 and
Cold Bitumen 3.
Public Cleansing Officer. 1 sample of Carbolic Powdlr and 1 sample
of Carbolic Soap were examined.
Private Samples. 3 samples consisted of Colouring Matter, Fruit
Pie and Cakes.
I wish to express my appreciation of the able assistance given me throughout
the year by Mr. W. M. Paulley, B.A., F.I.C.
I have the honour to be,
Ladies and Gentlemen,
Your obedient servant,
DOUGLAS HENVILLE,
Borough Analyst.
Chemical Laboratory,
43, White Horse Street, E.l.
April, 1938.