I'm a cashier and handle heaps of receipts every weekday.
I found this study: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4927604/, demonstrating significantly higher levels of urinary free and bound BPA in cashiers than non-cashiers.
However, I lack the relevant technical expertise to determine if such levels present in cashiers are a cause for concern.
Free and total BPA were detected in all samples. The median urinary total BPA concentration was 3.54 µg/L (2.89 µg/g creatinine) for controls and 8.92 µg/L (6.76 µg/g creatinine) for cashiers. For the free BPA, the median urinary concentration was 0.20 µg/L (0.21 µg/g creatinine) for controls and 0.28 µg/L (0.22 µg/g creatinine) for cashiers.
The study noted that these findings were 'interesting' for risk assessment but made no prescriptive comment (unfortunately).
Please tell me if this is to worry about.