GB/T 14675-1993 in English

《GB/T 14675-1993空气质量 恶臭的测定 三点比较式臭袋法》由467（生态环境部）归口，主管部门为生态环境部。
本标准规定了恶臭污染源排气及环境空气样品臭气浓度的人的嗅觉器官测定法。本标准适用于各类恶臭源以不同形式排放的气体样品和环境空气样品臭气浓度的测定。

1 Subject Content and Application Scope

1.1 This standard specifies the method of determination with human olfactory organ for odor concentration of odor pollution source exhaust and environmental air samples.

1.2 This standard is applicable to the determination for odor concentration of gas samples of various odor sources discharged in different forms and environmental air samples. The samples include the ones containing a kind of odorous substance and the composite ones containing two or more kinds of odorous substances.

1.3 The determination method in this standard is not restricted by the type, quantity, concentration range and component concentration ratio of the odorous substance.

2 Terms

2.1 Odor concentration

Odor concentration is a quantified index of the degree of odor tested by olfactory organ method, and it is the dilution ratio when odor samples are continuously diluted with odorless clean air to the panel threshold value.

2.2 Odor threshold value

1 Subject Content and Application Scope
2 Terms
3 Principle
4 Reagents, Materials and Devices
5 Panel
6 Samples
7 Determination of Sample
8 Calculation Result
9 Precision and Accuracy
10 Precautions