Historical
IAPMO PS 090-2014
Elastomeric Test Caps, Cleanout Caps, and Combination Test Caps/Shielded Couplings
This standard covers elastomeric test caps, cleanout caps, and combination test caps/shielded couplings, and specifies requirements for materials, physical characteristics, performance testing, and markings.
International Association of Plumbing and Mechanical Officials [iapmo]