UOP 1035-19

Determination of Trace Chloromethane, Chloroethene, and Dichloromethane in Polymer Grade Ethylene and Propylene by Gas Chromatography Mass Spectrometry
standard by UOP LLC, A Honeywell Company, 2019

UOP 1023-18

Determination of Trace Arsine and Phosphine in Polymer Grade Ethylene & Propylene by Gas Chromatography Mass Spectrometry
standard by UOP LLC, A Honeywell Company, 2018