high purity nitrogen gas source / solvent extraction gas chromatography procedure / few boiling chips / programmable gas chromatograph / gas chromatographic data / appropriate glass filtration device / chemical compound / gas chromatographs / equivalent sampling devices / stock standard solutions / quantitative tool / gas chromatograph / petroleum products / gas chromatographic conditions / fuel oil / chemicals / chemical analysis / steel / /
Organization
OKLAHOMA DEPARTMENT OF ENVIRONMENTAL QUALITY METHODS / EPA Total Petroleum Hydrocarbons Methods Committee / Occupational Safety and Health Administration / /
Date[removed]Page 1 Revision 4.1 OKLAHOMA DEPARTMENT OF ENVIRONMENTAL QUALITY METHODS[removed]MODIFIED)