AWWA C224:2002 pdf download AWWA C224:2002 pdf download.TWO-LAYER NYLON-11-BASED POLYAMIDE COATINGSYSTEM FOR THE INTERIOR AND EX... 12/30/2021AWWA Standards103CONNECTIONS Fittings TWO-LAYER NYLON-11-BASED POLYAMIDE COATINGSYSTEM FOR THE INTERIOR AND EXTERIOR OF STEEL WATER PIPEComments Read more