2018 purple vintage style Ball jars: 63 ppm Lead (safe by all standards). Personally I avoid the tinted ones.
2014 Weck Canning Jar: 142 ppm Lead. Context: 90 ppm Lead is considered unsafe in items intended for use by children.
Vintage Clear Ball Brand Canning Jar: 46 ppm Lead + Cadmium. Please read this post for more information!
Blue Ball brand canning jar: 53 ppm Lead + 13 ppm Cadmium (safe by all standards.) I avoid the tinted jars.
