Dilution Factor
A ratio of diluting neutral gas to odorous sample gas.
ASTM E679-04
ASTM Standard
Overview There are a number of ASTM standards related to odour assessment and regulation: ASTM E679-04 United States ‘standard practice for determination of odour and taste threshold by a forced-choice ascending concentration series method of limits’ D1292 test method for odour in the water E544 practices for referencing suprathreshold odour intensity E1432 practice for defining
ASTM E679-04
The United States standard for the “determination of odor and taste threshold by a forced-choice ascending concentration series method of limits”, provides guidance on both olfactometry and sampling.
