This standard specifies the method for monitoring the concentration of thallium and its compounds in the air of the workplace. This standard applies to the determination of the concentration of thallium and its compounds in the air of workplaces.
GBZ/T 160.21-2004 Referenced Document
GBZ 159 Specifications of air sampling for hazardous substances monitoring in the workplace
GBZ/T 160.21-2004 history
2017GBZ/T 300.25-2017 Determination of Toxic Substances in Air in the Workplace Part 25: Thallium and Its Compounds
2004GBZ/T 160.21-2004 Methods for determination of thallium and its compounds in the air of workplace
1996GB 16183-1996 Health standard for thallium in the air of workplace
GBZ/T 160.21-2004 Methods for determination of thallium and its compounds in the air of workplace was changed to GBZ/T 300.25-2017 Determination of Toxic Substances in Air in the Workplace Part 25: Thallium and Its Compounds.