This Standard covers enamelled cast iron and enamelled steel plumbing fixtures, and specifies requirements for materials, construction, performance, testing, and markings.This Standard covers the following plumbing fixtures:a) bathtubs;b) drinking fountains and water coolers;c) lavatories;d) shower bases; ande) sinks:i) bar sinks;ii) clinic sinks;iii) kitchen sinks;iv) laboratory sinks;v) laundry sinks;vi) service sinks; andvii) utility sinks.