Alignment of PS 8670 chromatogram with RM 8671 lots 14-HB-D-001, 14-HB-D-002, and 14HB-D-003 chromatograms. Tryptic digests of PS 8670 and RM 8671 lots 14-HB-D-001, 14-HB-D-002, and14HB-D-003 (traces ordered top to bottom) were analyzed by LC-UV-MS and the similarity of the resulting (A) TIC and (B) UV chromatograms compared against the reference peptide map generated from the PS 8670 digest (top, black trace in panels a and b). The initial five minutes of the UV traces are not shown due to the large difference in scale between the relative levels of absorbance of peaks detected during the 0 min to 5 min period and the 5 min to 90 min period