Measuring the amount of lead (Pb) consumed when drinking from lead crystal glassware. Is it safe?

I show a "DIY" chemical color-based method to determine the amount of lead in water, and then use the method to measure the amount of lead extracted from various types of lead crystal glassware. Skip to 27:05 to see the detailed results Code, analysis, raw data, more references: https://github.com/benkrasnow/LeadCrystal Supercon 2022 talk: https://www.youtube.com/watch?v=26olExLUX-0 Average daily lead consumption: 50ug in early 1980s, about 2/3 of this came from food and water https://ope