In March 2023 U.S. Environmental Protection Agency (EPA) released, for public comment, proposed MCLs of 4 ng/L. Source: https://www.sciencedirect.com/science/article/pii/S016041202...?

maximum contaminant level [MCL]. Straw weighs around .42 grams. I am not to concerned about the upper end of 7.15 ng/g contamination. By all means worry about PFAS if you wish, but straws really don't look like the problem.