Abstract
A thorough search for blueshifts in Quasi Stellar Objects (QSOs) has not yet been made, although possibilities have been suggested. The main reason appears to be the usual practice of identifying observed lines always with search lines in the UV/blue region, and ignoring the red/IR region. We demonstrate that sufficient search lines are available for blueshift measurements in QSOs, and show that within observational errors observed emission lines can be identified with alternative lines at higher wavelengths, that are blueshifted to the observing window. Blueshifts are calculated with the same or higher levels of accuracy as redshifts. Consideration of equivalent widths demonstrates further that blueshift identifications of observed lines are more convincing than redshift identifications.
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