AASHTO M 304:2011
AASHTO M 304:2011 Specification For Poly(Vinyl Chloride) (Pvc) Profile Wall Drain Pipe And Fittings Based On Controlled Inside Diameter Defines poly(vinyl chloride) (PVC) profile wall perforated and nonperforated pipe and fittings, 100 to 1200 mm (4 to 48 in.) nominal inside diameter, for use in nonpressure storm drains, culverts, und