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I had a consultation with Mr. Chapman and the Director of
the Brewery Company, and suggested certain experimental investigations
to confirm the findings.
Beer was allowed to stand in one of these tanks and examined
after 24 hours and 48 hours with a control sample from the
"racker" from which the beer was drawn with the following
results:—
From racker
From tank after 24 hours
From tank after 48 hours
Lead.
Not detectable.
0.84 grain per gallon.
126
A further experiment was carried ouc, a sample was taken
after being left in a tank for five days, with a control from the
racker, with the following results :—
From a racking vessel
From tank
Lead.
Not detectable.
2 38 grains per gallon.
A further experiment was carried out to ascertain the daily
increase in the amount of Lead in solution. Mr. Chapman's report
was as follows:—