Adopts ISO 16101:2004 which specifies requirements and test methods for compatibility testing of polyethylene-based plastics packagings and composite packagings with plastic inners containing liquids. Testing involves storage with the packaged substances, or with a standard liquid as defined in Annex A. Annex B describes small-scale laboratory tests which may be used to determine the assimilation of those products to be carried with the Standard liquids.