LISTINGS: ASTM D-1784 — Rigid Poly (Vinyl Chloride) (PVC) Compounds and Chlorinated Poly (Vinyl Chloride) (CPVC) Compounds. ASTM D-2464 — Threaded Poly (Vinyl Chloride (PVC) Plastic Pipe Fittings, Schedule 40. ASTM D-2466 — Socket Type Poly (Vinyl Chloride (PVC) Plastic Pipe Fittings, Schedule 40. NSF (National Sanitation Foundation) for potable water services. PVC Type 1, Cell Classification 12454-B.