Mardi Gras beads and necklaces should be analyzed with XRF and NIR to ensure they do not contain toxic metals or hazardous materials.
What Happens to All the Mardi Gras Beads Left Behind? - AFAR
2012 Mardi Gras Beads: 15,800 ppm Lead (Pb) [90 ppm & up is unsafe for kids!] & 2,028 ppm Cadmium (causes cancer).
Catching beads in New Orleans, LA… - SPLENDID MARKET ®
BEad AWARE- The Toxic Tale of Mardi Gras Beads - NOLA Family Magazine
New krewe vows not to throw imported plastic Mardi Gras beads -- 'People said, You're crazy', Mardi Gras
Catching beads in New Orleans, LA… - SPLENDID MARKET ®
Why Mardi Gras beads are so toxic—and how a group of middle schoolers
what to do with your Mardi Gras swag
The best way to enjoy Mardi Gras? A king cake, of course - The Lion's Roar
Mardi Gras beads are creating a plastic disaster in New Orleans