CAN/CGSB 4.2 NO. 47-96/ 105-A03:1993
CAN/CGSB 4.2 NO. 47-96/ISO 105-A03:1993
Textile Test Methods - Textiles - Tests for Colourfastness - Part A03: Grey Scale for Assessing Staining
standard published 04/01/1996 by Canadian General Standards Board