The Pool & Hot Tub Alliance (PHTA) kicked off its 40th year as a standards developer by announcing the review and revision of ANSI/APSP/ICC-16 2017 American National Standard for Suction Outlet Fitting Assemblies (SOFA) for Use in Pools, Spas and Hot Tubs and ANSI/APSP/ICC-1 American National Standard for Public Swimming Pools.