AWWA B502-94
AWWA B502-94
Sodium Polyphosphate, Glassy (Sodium Hexametaphosphate) (includes addendum B502a-97)standard by American Water Works Association, 01/01/1994
standard by American Water Works Association, 01/01/1994
The addendum to ANSI/AWWA B502-94 Standard for Sodium Polyphosphate, Glassy (Sodium Hexametaphosphate) revises or replaces Page v, Sec. I.C; Page vi, Sec. III.A; and Page 3, Sec. 4.3.