本标准规定了呼吸器的选择、使用和护理要求，以及在工作场所实施有效呼吸保护计划的要求。其目的是保护呼吸器使用者免受任何已知或潜在的呼吸危害。2017年，CSA集团完成了一项研究项目，该项目收集了证据，以验证本标准中规定的生物气溶胶保护因子，以及针对感染性生物气溶胶选择呼吸保护的控制带方法（第7.3.4.3条）。本标准基于美国国家职业健康安全研究所（NIOSH）制定的呼吸器分类方案和测试要求。消防应用的具体标准基于美国国家消防协会（NFPA）发布的标准。CSA Z180。1是CAN/CSA-Z94的配套标准。4、提供与所供设备连接的压缩呼吸空气系统的具体要求- 空气呼吸器。本标准也被要求呼吸保护的许多其他CSA集团职业健康和安全标准所引用（例如，CSA W117.2关于焊接安全，CSA Z1006关于密闭空间工作，CSA Z1010关于极端条件下的工作，CAN/CGSB/CSA-Z1610关于第一反应者的保护，以及CSA Z1640关于进入秘密药物实验室的PPE）。

This Standard sets out requirements for the selection, use, and care of respirators and for the administration of an effective respiratory protection program in the workplace. Its purpose is to protect respirator users from any known or potential respiratory hazards. In 2017, CSA Group completed a research project that gathered evidence to verify the bioaerosol protection factors set out in this Standard as well as the control banding approach for selection of respiratory protection against infectious bioaerosols (Clause 7.3.4.3).This Standard is based on respirator classification schemes and testing requirements set out by the National Institute for Occupational Health and Safety (NIOSH). Specific criteria for firefighting applications are based on standards published by the National Fire Protection Association (NFPA).CSA Z180.1 is a companion Standard to CAN/CSA-Z94.4, providing specific requirements for compressed breathing air systems connected to supplied-air respirators. This Standard is also referenced by many other CSA Group occupational health and safety standards where respiratory protection is required (e.g., CSA W117.2 on welding safety, CSA Z1006 on work in confined spaces, CSA Z1010 on work in extreme conditions, CAN/CGSB/CSA-Z1610 on protection of first responders, and CSA Z1640 on PPE for entry into clandestine drug labs).