Methods for analysis of groundwater quality—Part 71：Determination of α-hexachlorocyclohexane,β-hexachlorocyclohexane,γ-hexachlorocyclohexane,δ-hexachlorocyclohexane,hexachlorobenzene,1，1-dichloro-2，2-bis(4-chorophenyl)ethylene(p，p’-DDE)1，1-dichloro-2，2-bis(4-chlorophenyl)ethane(p，p’-DDD)，1,1,-trichloro-2-(2-chlorophenyl)-2-(4-chlorophenyle)ethane (o，p’-DDT)and 1，1，1-thrichloro-2，2-bis(4-chloropheyle)ethane(p，p’-DDT)-Gas chromatography
Methods for analysis of groundwater quality—Part 91：Determination of 24 volatile halogenated hydrocarbons such as dichloromethane,vinyl chloride and 1,1-dichloroethane—Purge and trap/gas chromatography—mass spectrometry
Methods for analysis of groundwater quality—Part 74：Determination of helium,hydrogen,oxygen,argon,nitrogen,methane,carbon monoxide,carbon dioxide and hydrogen sulfide—Gas chromatography
Methods for analysis of groundwater quality—Part 72:Determination of dichlorovos,phorate,dimethoate,methyl parathion,malathion,chlorpyrifos and parathion—Gas chromatography
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