Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999); German version EN ISO 6222:1999
Edition 1999-07

Biotechnology - Laboratories for research, development and analysis - Guidance for containment of animals inoculated with microorganisms in experiments; German version EN 12738:1999
Edition 1999-10

Biotechnology - Modified organisms for application in the environment - Guidance for the sampling strategies for deliberate releases of genetically modified microorganisms, including viruses; German version EN 12686:1998
Edition 1998-10

Biotechnology - Guidance on assessment of the purity, biological activity and stability of microorganism based products; German version EN 12689:1998
Edition 1998-10

Biotechnology - Modified organisms for application in the environment - Guidance for the monitoring strategies for deliberate releases of genetically modified microorganisms, including viruses; German version EN 12685:1998
Edition 1998-10

Textiles - Determination of resistance of cellulose-containing textiles to micro-organisms - Soil burial test - Part 1: Assessment of rot-retardant finishing (ISO 11721-1:2001); German version EN ISO 11721-1:2001
Edition 2001-04

Quality management in medical microbiology - Part 20: Requirements for the use of control material for the examination of protozoae and microorganisms of higher order
Edition 1997-06

Wood preservatives - Determination of the effectiveness against soft rotting micro-fungi and other soil inhabiting micro-organisms; German version ENV 807:2001
Edition 2001-12