ISO-4435 Complete Document History
Plastics piping systems for non-pressure underground drainage and sewerage - Unplasticized poly(vinyl chloride) (PVC-U)

Complete Current Edition:
   2ND EDITION - POLY(VINYL CHLORIDE) (PVC-U) - Feb. 15, 2003

Obsolete Revision Information:
   1ST EDITION - UNPLASTICIZED POLY(VINYL CHLOR - May 15, 1991