Paragraph 4 Sampling equipment
Subject to paragraph 7, the appropriate agency must only use sampling bottles which—
have been—
sterilised in an autoclave for at least 15 minutes at 121 degrees Celsius;
dry sterilised at no lower than 160 degrees Celsius and no higher than 170 degrees Celsius for at least one hour; or
irradiated by their manufacturer and not used previously;
are of a size which allows sufficient water to be taken and analysed for the presence of intestinal enterococci and Escherichia coli; and
are made of transparent and colourless material.
The appropriate agency must—
use aseptic techniques to maintain the sterility of the sample bottles; and
clearly identify every sample taken by marking the sample bottle and linking the bottle to its associated documentation.
Annotations
Textual amendments
- F1
Sch. 4 para. 4(2)(b) substituted (21.11.2025 for E., 1.4.2026 for W.) by The Bathing Water (Amendment) (England and Wales) Regulations 2025 (S.I. 2025/1129), regs. 1(2)(3), 11(c)