@MelodyCooper uh the answer is yes people have been checking
https://tamararubin.com/2017/02/saferchoices-which-water-bottles-sippy-cups-are-lead-free/
For those new to the Lead Safe Mama website: Tamara Rubin is a multiple-federal-award-winning independent advocate for childhood Lead poisoning prevention and consumer goods safety, and a documentary filmmaker. She is also a mother of Lead-poisoned children (two of her four sons were acutely Lead-poisoned in 2005). Tamara owns and runs Lead Safe Mama, ... Read More about #SaferChoices: Which Water Bottles & Sippy Cups are Lead-Free?
@MelodyCooper my apologies, this is the correct site but not the correct article with the adult drink tumblers. I got mixed up. I looked for it and I can’t find it!
But if you have a concern on a specific brand or model of tumbler, you can search for a brand name and the individual articles for each type of water bottle will come up.
Also, sorry about the tone of my response. on second read the initial “uh” sounds dismissive, I honestly don’t know what I was thinking
@MelodyCooper also the article was originally from 8 years ago but was last updated in 2024.
I don’t know what federal agency is responsible for testing but this is a person who is doing independent third party lead tests. Focused on kids stuff but she hits adult products too. Also sometimes Consumer Reports has some roundup testing on drink tumblers