Yoobi 20 Pack Washable Sidewalk Chalk: “Non-Detect” for Lead, Cadmium & Mercury. Safe by all standards.
2020 | 2020 Chalk | Chalk | Sidewalk Chalk | Yoobi | Yoobi Chalk
Introduction: Tamara Rubin is an independent advocate for consumer goods safety and she is also a mother of Lead-poisoned children. She began testing consumer goods for toxicants in 2009 and was the parent-advocate responsible for finding Lead in the popular fidget spinner toys in 2017. She uses XRF testing (a scientific method used by the Consumer…