3A 604-05 Accepted Practice
Supplying Air Under Pressure in Contact with Milk, Milk Products, and Product Contact Surfaces
standard by 3-A Sanitary Standards, 11/21/2004
3A 606-05 Accepted Practice
Accepted Practices for the Design, Fabrication, and Installation of Milking and Milk Handling Equipment
standard by 3-A Sanitary Standards, 11/24/2002