British Standards Document
BS EN ISO 291
Plastics. Standard atmospheres for conditioning and testing

https://doi.org/10.3403/30178992U

BS EN ISO 291 is maintained by PRI/21. The current release of this standard is:

BS EN ISO 291:2008 Plastics. Standard atmospheres for conditioning and testing

https://doi.org/10.3403/30178992 (published 30/06/2008)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS EN ISO 291:2005 [current until 30/06/2008]
BS EN ISO 291:1997 [current until 23/01/2006]