Bisphenol-A, a hormone-disrupting chemical linked to cancer, diabetes, early puberty and neurological problems, might now be lurking in your wallet.

Twenty-one out of the 22 $1 bills tested in California, 17 other states and Washington, D.C., carried small amounts of the chemical, which is commonly used in plastic bottles as well as in food can liners, adhesives, sports safety gear and dental sealants, according to a report being released today by the group Safer Chemicals, Healthy Families.

The findings from the Washington, D.C., coalition of public health advocates, environmental groups and green businesses stretch BPA’s ubiquity even further. BPA has now been detected in paper – heat-activated receipts from cash registers and dollar bills – in three studies this year.