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(9) "Sample of Bitter Ale from the Beer Engine in the
Saloon Bar, "Bell" Public House, Staines Road, Hounslow,
on 12/7/22" contains no lead (less than 0.1 grain
per gallon).
(10) "Sample of Mile Ale 12/7/22 from the Beer Engine in
the Public Bar, "Bell" Public House, Staines Road,
Houuslow, (west pump)," contains no lead (less than
01 grain per gallon).
(11) "Sample of Mild Ale from the Beer Engine in the
Public Bar, "Bell" Public House, Staines Road, Hounslow,
on 12/7/22 (east pump)," contains no lead (less
than 0.1 grain per gallon).
(12) "Sample of Bitter Ale 12/7/22 from the Beer Engine
in the Public Bar at the " Tankerville Arms," Hanworth
Road, Hounslow," contains 0.1 grain per gallon.
(13) "Sample of Mild Ale 12/7/22 from the Beer Egnine in
the Public Bar of the "Tankerville Arms,"Hanworth
Road, Hounslow (west pump)," contains 0 8 grains per
gallon.
(14) " Sample of Mild Ale 12/7/22 from the Beer Engine in
the Public Bar at the " Tankerville Arms," Hanworth
Road, Hounslow, (east pump)," contains 12 grains per
gallon.
It will be seen that in the samples from the "Red Lion"
Public House, samples 1, 2, 3 and 4 all contained heavy percentages
of lead. In those from the "Rose and Crown" (samples 5, 6
and 7) it will be seen that number 5 contains no lead (i.e. within
the margin of experimental error). This, on investigation, proved
to be due to the fact that this particular bitter ale was drawn
direct from the cask. In samples 6 and 7 it will be seen that
there is a heavy percentage of lead.
In the case of the " Bell" Public House (samples 8, 9, 10
and 11) there was no lead. In this house there are no tanks
installed. In the " Tankerville Arms " (samples 12, 13 and 14)
it will be seen that in 12 there is a very small quantity of lead,
and in 13 and 14 there is again a heavy percentage.