Check the bottom of your reusable glass milk bottle… If it says StanPac, chances are it is painted with high-Lead paint.
Evenflo glass bottle with white painted markings: 11 ppm Cadmium in the glass (safe by all standards)
Medela glass baby bottle/breast milk storage: 25 ppm Cadmium + 68 ppm Lead + 86 ppm Antimony. Safe by all standards.
XRF test results for Parent’s Choice glass bottle with gray markings: 17 ppm Lead & 9 ppm Cadmium (safe by all standards)
Philips Avent Natural Glass Baby Bottle: Lead-free, 21 ppm Cadmium in the silicone nipple (Cadmium is a known carcinogen, but this is considered safe by all current standards)
Painted logo and markings on Lansinoh mOmma glass bottles contain high Lead paint (at levels considered unsafe for children)
Sailor themed glass NUK baby bottle (2021): BPA-Free and *only* 15,400 ppm Lead in the paint. 90 ppm Lead (& up ) is unsafe for kids.