ANNEXURE M3.

RESULT OF IDENTIFICATION OF LARVAE, 1948.

ية الله shaandage

SuaipipuBO ‘JEA

sṛsuariod fat v

su

111

many

many

many

many

many

27

Aubur

fusw

Xueu

many

Kaew

many

AUEW

mady

JTLBTY

mang

EQ

many

many

many

many

may

many

.

many

XNEW

147

Many

Anew

101

55

many

many

1 1 1 2 N

i

26

כין

146

ANNEXURE N.

ANNUAL REPORT OF THE GOVERNMENT LABORATORY

FOR THE YEAR 1948.

The work of the Laboratory continues to show a steady increase. A comparative tuble of samples examined is given (Table 1).

TABLE 1

10:47.

1048.

(0

Waters & Waterworks Chemicals

897

(ii) Foods & Drugs

تو

(iii) Chemico-legal

409

(iv) Commercial

2,014

1,886

(v) Biochemical

360

3,056

(vi) Coal from Department of Supplies.

Trade & Industry

101

(vii) Miscellaneous from other Government

Departmenta

173

3,874

6.609

(i) Vader this heading are included the routine examinations of the reservoirs and filter beds of the Colony water supply, daily samples from supply taps in various parts of the Colony, and samples from waterboats supplying shipping in the harbour.

(ii) Food samples consisted principally of milk, for control of pasteurisation, but cases were found of butter substitutes being sold as butter, and arachis oil being sold as olive oil.

(ii) Table 2 shows the considerable range of material examined under this heading. There were no cases of homicidal poisoning.

A disastrous outbreak of fire occurred at the Wing On Com- pany Godown, as a result of which nearly 200 persons lost their lives. Mr. R. C. Terry, Assistant Government Chemist, carried out a detailed investigation into the cause of this fire, which was traced to the spontaneous combustion of washed nitrocellulose film. At the Commission of Enquiry which was set up both the Government Chemist and Mr. Terry gave evidence.

The same material is believed to have caused another fire in a godown in the Colony.

A dangerous commodity which was discovered during these investigations was crude caustic soda containing a large quantity of metallic sodiumu, sufficient to cause ignition when the material was plared in water,

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