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72
The only preservative detected in butter was boric acid and the amount
was estimated in each case. The results are shown in Table J. and are
compared with the corresponding figures for 1921 and 19'22.

The above figures show that the use of preservative in butter is
decreasing.
Margarine.
180 samples were examined and none were adulterated.
The only preservative found, as in the case of butter, was boric acid
The maximum amount permitted by law is 0.5 per cent.
4, or 2 per cent. of the samples were free from boric acid.
69, or 38 per cent. of the samples contained 0') per cent. boric acid.
75 ,, 42 „ ,, ,, 0.2 „ ,,
21 ,, 12 „ „ ,, 0.3 „ ,,
11 ,, 6 „ ,, ,, 0 .4 ,, ,,
None contained 0'5 per cent boric acid.
In 44 cases the vendors had not complied with the requirements of the
Butter and Margarine Acts with regard to labelling. Thus 24.4 per cent of the
samples were unsatisfactory in this respect. The figure, however, shows an
improvement on previous years. During 1921, 28.4 per cent. of the samples
did not comply with the labelling regulations, while 27.4 per cent was the
figure for 1922.
The 44 samples consisted of 9 informal and 35 formal samples. Proceedings
were taken in 17 cases, and 18 vendors were cautioned for small
infringements of the regulations.
The results of the proceedings are shown in Table K.