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ASTM Standard

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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 and calculating individual and group sensory thresholds from forced-choice data sets of intermediate size

The ASTME679-04 is the most commonly used standard in the USA for olfactometry, however, outside of the USA, EN13725 standard is more commonly accepted.

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