CAN/CGSB 4.2 NO. 46-96/ 105-A02:1993
CAN/CGSB 4.2 NO. 46-96/ISO 105-A02:1993
Textile Test Methods - Textiles - Tests for Colourfastness - Part A02: Grey Scale for Assessing Change in Colour
standard published 04/01/1996 by Canadian General Standards Board