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Division 5.4.3 Response factors of different hydrocarbons and recommended limits

Original text. Later amendments are not shown.

  1. 5.4.3.1The response factor Rf for a particular hydrocarbon compound is the ratio of the FID C1 reading to the gas cylinder concentration, expressed as ppm C1.
  2. 5.4.3.2Response factors shall be determined when introducing an analyser into service and at major service intervals thereafter. The test gases to be used and the recommended response factors are: