SCHEDULE 4MONITORING ETC
PART 1INTESTINAL ENTEROCOCCI AND ESCHERICHIA COLI
Sampling equipment4
1
Subject to paragraph 7, the appropriate agency must only use sampling bottles which—
a
have been—
i
sterilised in an autoclave for at least 15 minutes at 121 degrees Celsius;
ii
dry sterilised at no lower than 160 degrees Celsius and no higher than 170 degrees Celsius for at least one hour; or
iii
irradiated by their manufacturer and not used previously;
b
are of a size which allows sufficient water to be taken and analysed for the presence of intestinal enterococci and Escherichia coli; and
c
are made of transparent and colourless material.
2
The appropriate agency must—
a
use aseptic techniques to maintain the sterility of the sample bottles; and
b
clearly identify every sample taken by marking in indelible ink the sample bottle and associated paperwork.