This part of BS 2782 gives a general introduction to the methods of test for plastics some of which are presented in the other Parts. Annex A lists the individual methods and Annex B describes an obsolescent method (508A), formerly given in BS 2782:1970 and still referred to by the Building Regulations.Cross References:BS 2782:1970BS 4618:1970BS 4618-1BS 4618-2BS 4618-3BS 4618-4BS 4618-5BS EN ISO 291:1997BS EN ISO 3696:1995BS EN ISO 10350BS EN ISO 11403ISO 1000:1992Building Regulations 1985