办公室环境

• The labour department has published the " code of practice on control of air impurities ( chemical substances ) in the workplace " and " a simple guide to health risk assessment - office environment series " that set out recommendations for employers on how to control ozone concentrations and the ozone concentration standards for the workplace
  该处发出了《控制工作地点空气杂质（化学品）的工作守则》及《职业健康风险评估简易指南办公室环境系列》 ，向雇主建议控制臭氧浓度的措施，并列出工作环境的臭氧浓度标准。