Quantitative surface test for the evaluation of residual antimicrobial ( bactericidal and/or yeasticidal) efficacy of liquid chemical disinfectan ts on hard non-porous surfaces. Test methodWhat is PAS 2424 Disinfectant test methods about? Many biocide products, such as liquid disinfectants, claim to have so called residual efficacy: that is they claim to be long lasting, or to offer 24 hour protection, etc. The usual test is to apply the product to a hard surface and leave it there for a defined period of time. However because the surface is undisturbed following application, such a test may not reflect reality. PAS 2424 by contrast

Contents of BS EN 61249-2-41:

riparian zones and floodplains

corporate member of the Institution of Engineering and Technology and a member of the Audio Engineering Society

Steel drill pipe

Contactless integrated circuit

If these means are followed by a manufacturer

- Other constituents

Handling of alarm information by alarm receiving centres (ARCs)

Service life

This document does not apply to:

Preparing phase

Opaque paint coatings and paint systems