XRF test results for Ivory (light yellow) glazed Fiesta HLC pottery bowl (Made in USA) — sent in by Peng in Washington State
For those new to this 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 sons were acutely Lead-poisoned in 2005). Since 2009, Tamara has been using XRF technology (a scientific method used by…