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67
8,553 baits were laid in the old sewers of Woolwich and Plumstead
that were likely or known to be infested with rats.
Co-operation was readily obtained from many firms in the
Borough.
Mosquitoes. For some years past the number of complaints
of these pests has gradually decreased, and last year
none was received. The marsh ditches, except a few private
ones, are now concrete inverts, and the drainage of the
marshes is very much improved. In addition the area was
carefully supervised during the year, thirty-nine inspections
being made.
Rag Flock Acts. During the year six samples of rag
flock were taken for analysis and the following Table gives
the detailed results of each analysis made. All these samples
complied with the Rag Flock Regulations inasmuch as the
soluble chlorine in the form of chlorides did not exceed 30
parts of chlorine in 100,000 parts of flock, which is the
maximum amount allowed by the Regulations. Rag flock is
only manufactured on a wholesale scale at one factory in the
Borough, but it is sold at several shops.

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