Standard No.:	GB/T 14675-1993
Chinese Name:	空气质量 恶臭的测定 三点比较式臭袋法
English Name:	Air quality－Determination of odor－Triangle odor bag method
Professional Classification:	Z15 Analysis methods for toxic substances in atmosphere
Professional Classification:	GB National Standard
ICS Classification:	13.040.01 Air quality in general
Issued by:
Issued on:	1993-09-18
Implemented on:	1994-03-01
Status:	VALID
Language:	English
File Format:	PDF
Word Count:
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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