- See also WK86161 proposed revision
- See also WK85439 proposed revision
F1488-14(2019) Standard Specification for Coextruded Composite Pipe
- See also WK89629 proposed revision
- See also WK83962 proposed reapproval
F1545-15a(2021) Standard Specification for Plastic-Lined Ferrous Metal Pipe, Fittings, and Flanges
F2165-19 Standard Specification for Flexible Pre-Insulated Plastic Piping
- See also WK88075 proposed revision
- See also WK87879 proposed revision
- See also WK90551 proposed revision