Interfering substances, or commonly referred to as soiling, are used to mimic organic substances found on human skin, surfaces, and instruments. These are the available soiling conditions according to the test method.
For general disinfection:
- Low level soiling: 3.0 g/L bovine serum albumin
- High level soiling: 10.0 g/L bovine serum albumin + 10.0 g/L yeast extract
For teat disinfection:
- 10.0 g/L reconstituted skimmed milk