This Standard covers plastic plumbing fixtures and specifies requirements for materials,construction, performance, testing, and markings.This Standard covers the following plumbing fixtures:(a) bathtubs and combination tub/showers;(b) lavatories;(c) shower bases and shower stalls;(d) sinks: (i) bar sinks; (ii) kitchen sinks; (iii) laundry sinks;(e) service sinks; urinals; and(f) water closets.