译：WS/T 138-1999 The solvent extraction gas chromatography method for the determination of 1,2-dichloroethane in the air of the workplace

译：WS/T 171-1999 The method for the determination of anthracene and phenanthrene in the air of the workplace using high performance liquid chromatography

译：WS/T 126-1999 Meso-tetrakis(p-sulfobenzene) porphyrin spectrophotometric determination of lead in the air of workplace

译：WS/T 132-1999

译：WS/T 147-1999 The method for the determination of deltamethrin in the air of workplace by high performance liquid chromatography

译：WS/T 131-1999 The flame atomic absorption spectrometric method for the determination of strontium and its compounds in the air of the workplace

译：WS/T 151-1999 The method for determining benzene in the air of workplace using a non-pumping type sampling gas chromatography

译：WS/T 143-1999 The solvent desorption gas chromatography method for the determination of methanol in the workplace air

译：WS/T 136-1999 The thermal desorption gas chromatography method for the determination of isopropyl ether in the workplace air

译：WS/T 158-1999 Solvent extraction gas chromatography method for the determination of 1,4-butanolo in airborne particulate matter

译：WS/T 148-1999 The high-performance liquid chromatography method for the determination of p-nitroaniline in the air of the workplace

译：WS/T 169-1999 The method for determining n-heptane in the air of workplace by gas chromatography

译：WS/T 139-1999 Extraction of methyl isobutyl ketone from workplace air by solvent and gas chromatography determination method

译：WS/T 129-1999 The method for determining arsenic hydride in the air of the workplace using atomic absorption spectrometry

译：WS/T 141-1999 The method for gas-phase chromatography determination of total non-methane hydrocarbons in the air of workplace

译：WS/T 170-1999 The solvent extraction method for the determination of benzeneamine in the workplace air using high performance liquid chromatography

译：WS/T 160-1999 The method for gas chromatography determination of furfuryl alcohol in the air of workplace

译：WS/T 144-1999 The method for determining trichloroethylene in the air of workplace using a pumpless sampling device and gas chromatography

译：WS/T 172-1999 The method for determining naphthalene and tetrahydronaphthalene in the air of workplace using gas chromatography

译：WS/T 165-1999 The method for determining the gas phase of isooctanol in the workplace air by gas chromatography