Cool! I just learned about this: https://www.pca.state.mn.us/green-chemistry/bpa-thermal-paper https://www.pca.state.mn.us/green-chemistry/bpa-thermal-pape...

Cool! I just learned about this: https://www.pca.state.mn.us/green-chemistry/bpa-thermal-paper https://www.pca.state.mn.us/green-chemistry/bpa-thermal-pape... Because my consumer-grade fingertips don't run mass spec, I'm going to continue not touching receipts as much as possible. Hopefully some people who read this have a connection to a company that issues printed receipts.