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TL;DR
It estimated daily intake for the general population and cashiers, calculating that all estimates were below established tolerable daily intakes.
PLOS ONE · 7 authors, 2 centres
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It estimated daily intake for the general population and cashiers, calculating that all estimates were below established tolerable daily intakes.
It found 60% of samples contained BPA levels above the EU's acceptable limit of 200 ng/mg, while 40% had very low levels (<0.02 ng/mg). Estimated weight-adjusted daily intakes (EDI) for the general population ranged from 8.22×10^−11^ to 0.000812 μg/kg bw/day, and for occupationally exposed cashiers from 7.89×10^−9^ to 0.0681 μg/kg bw/day. All calculated EDIs were below the European Food Safety Authority Tolerable Daily Intake (4 μg/kg·bw/day) and the provisional Health Canada Tolerable Daily Intake (25 μg/kg bw/day). The authors note that while estimated exposures from receipts alone are below reference doses, health risk assessment should consider co-exposure from dietary and non-dietary sources, particularly with increased use of sanitizers that may enhance dermal absorption.