General Order 128, Rule 42 Change List

42.1    Definitions (Last Changed October 9, 1996)
42.2   Maintenance and Inspection (No Changes)
42.3   Material and Strength (Last Changed April 13, 1970)
42.4   Size and Shape (Last Changed April 13, 1970)
42.5   Openings (No Changes)
42.6   Drainage (No Changes)
42.7   Covers (No Changes)
42.8   Location (Last Changed April 13, 1970)
42.9   Foreign Pipes (No Changes)
42.10 Explosion Protection (No Changes)