Vintage clear glass small Pyrex casserole: 866 +/- 61 ppm Arsenic (this is the first time I have found Arsenic in one of these)
Posted: Tuesday, June 16, 2020 I hadn’t previously tested for / looked for Arsenic or Antimony in vintage clear glass Pyrex items. This is the first piece I have tested of vintage clear glass Pyrex where I noticed (and recorded) these two metals. I am going to do further inquiry in to this, specifically to…