饮食业油烟排放标准（GB 18483-2001）5.1

排放油烟的炊食业单位必须安装油烟净化设施，并保证操作期间按要求运行。油烟无组织排放视同超标。

Emission Standard of Cooking Fume (GB18483-2001), Article 5.1

Cooking units that emit cooking fume must install oil fume purification facilities and ensure that they are running as required during operation. Unorganized emission of cooking fume is considered as exceeding the standard.