2015M 278-2015 Standard Specification for Class PS46 Poly(Vinyl Chloride) (PVC) Pipe
2014M 278-2014 Standard Specification for Class PS46 Poly(Vinyl Chloride) (PVC) Pipe
2012M 278-2012 Standard Specification for Class PS46 Poly(Vinyl Chloride) (PVC) Pipe
2002M 278-2002 Standard Specification for Class PS46 Poly(Vinyl Chloride) (PVC) Pipe
1998M 278-1998 STANDARDISATION MANDATE TO CEN FOR MANUAL REFERENCE METHODS FOR THE CALIBRATION OF AUTOMATED MEASUREMENT SYSTEMS FOR SULPHUR DIOXIDE (SO2) AND NITROGEN OXIDES (NOX) EMISSIONS IN STACK
1994M 278-1994 Standard Specification for Class PS46 Polyvinyl Chloride (PVC) Pipe (Eighteenth Edition)