Table SI 3. Quality control and acceptance criteria Prior to analysis Criteria Initial precision and recovery (IPR) LFB-NIES (n=7) <= +/- 30% a Procedure blank Procedure (n=7) <= LCMRL For all batches Calibration Point >= 5 r2 >= 0.99 Initial Calibration Deviation at each <= +/- 30% point Calibration Verification Cal 5 <= +/- 20% LRB-NIES <= Blank Analysis for Instrument Cal 0 <= LCMRL Blank Analysis for Method LRB-EPA <= LCMRL After every tenth Frequency of Blank analysis in a sequence <=LCMRL sample Ongoing Precision and recovery standard (OPR) LFB-EPA Recovery <= +/- 30% a EPA Quality Control Sample LFM-EPA <= +/- 30% a a Except for PFPeA, PFHxA and PFHpA for these <= +/- 40%; Z
Table SI 3. Quality control and acceptance criteria Prior to analysis Criteria Initial precision and recovery (IPR) LFB-NIES (n=7) <= +/- 30% a Procedure blank Procedure (n=7) <= LCMRL For all batches Initial Calibration Calibration Point >= 5 r2 >= 0.99 Deviation at each point <= +/- 30% Calibration Verification Cal 5 <= +/- 20% Blank Analysis for Instrument LRB-NIES <= Cal 0 <= LCMRL Blank Analysis for Method LRB-EPA <= LCMRL Frequency of Blank analysis in a sequence After every tenth sample <=LCMRL Ongoing Precision and recovery standard (OPR) EPA LFB-EPA Recovery <= +/- 30% a Quality Control Sample LFM-EPA <= +/- 30% a a Except for PFPeA, PFHxA and PFHpA for these <= +/- 40%; Z
1-s2.0-S0021967317303552-mmc1.docx