1 Scope
This part specifies contents such as the principle, basis, development method and requirements for establishing occupational exposure limits for airborne chemicals (hereinafter referred to as "chemicals") in the workplace.
This part is applicable to the establishment of occupational exposure limits for chemicals in the workplace.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GBZ 2.1 Occupational Exposure Limits for Hazardous Agents in the Workplace - Part 1: Chemical Hazardous Agents
GBZ 159 Specifications of Air Sampling for Hazardous Substances Monitoring in the Workplace
GBZ/T 160 Determination of Toxic Substances in the Air of Workplace
GBZ/T 210.4 Guide for Establishing Occupational Health Standards - Part 4: Determination Methods of Air Chemicals in Workplace
3 Establishment Principle
Based on the principle of establishing national occupational health standard, the establishment of occupational exposure limits for chemicals shall also comply with the following principles:
3.1 Under the premise of guaranteeing laborers' health, it shall be economically rational and technically feasible. Economic rationality means that the vast majority of employers are affordable economically in implementing this standard. Technical feasibility means that it is attainable at the existing technology developmental level.
Foreword i
1 Scope
2 Normative References
3 Establishment Principle
4 Establishment Basis
5 Development Method
6 Basic Requirements