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 is posted at http://www.epa.gov/otaq/regs/fuels/rfg/qa/420r03009.pdf. The original was posted in the Q&A posted on 7/1/94 which can found at http://www.epa.gov/otaq/rfg_qa.htm" See Question ID 3857 for RFG (Taken from the first question on http://www.epa.gov/otaq/regs/fuels/rfg/qa/420r03009.pdf)
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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