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Unsatisfactory samples were:—Olives (2) (metallic contamination),
Milk (contained salt), Sultanas (insect infested), Pickled Onions (turbid,
etc.), Figs (in bad condition), Bread (dirty), Dried Milk (unsatisfactory
condition) and Bacon Rind (Metallic contamination).
Cause of Illness.—Of 6 samples said to have caused illness, 4 samples
were free from harmful ingredients or impurities. These were:—
Mineral Water, Lemonade, Tea and Tea Infusion. The remaining
samples were Wine (smell of coal tar) and Milk (contained a small
percentage of soap).
Other Samples.—Other samples were:—Formalin (9) (2 deficient in
formalin), Well Water (3), Bath Water, "Dust and Insecticide.
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 informal sample was
satisfactory.
Borough Engineer.—9 samples comprised Carbolic Powder (6) (2
deficient in cresols) and Cold Bitumen (3).
Public Cleansing Officer.—3 samples of Carbolic Powder (2 deficient
in cresols) were examined.
Private Samples.—6 samples consisted of Evaporated Milk (2),
Cream, Chocolates, Pearl Barley and Vegetarian Jelly.
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 Road, E.l.
April, 1939.