Rather than bracketing all components of a sample during the GC-MS analysis in section 80.46(f), can a laboratory use linearity curves for the components?

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Yes. We only require that the calibration standards bracket the concentration range of samples. You may use the linearity curves when analyzing the unknowns.(7/1/94)

This question and answer was posted at Consolidated List of Reformulated Gasoline and Anti-Dumping Questions and Answers: July 1, 1994 through November 10, 1997 (PDF)(333 pp, 18.17 MB, EPA420-R-03-009, July 2003, About PDF)