D4291-21 Standard Test Method for Trace Ethylene Glycol in Used Engine Oil
D4626-95(2019) Standard Practice for Calculation of Gas Chromatographic Response Factors
D5441-21 Standard Test Method for Analysis of Methyl Tert-Butyl Ether (MTBE) by Gas Chromatography
D7796-21 Standard Test Method for Analysis of Ethyl tert-Butyl Ether (ETBE) by Gas Chromatography