February 2015, HealthyStuff.org released the results of testing done on 164 products purchased at four major discount retailers—Dollar General, Dollar Tree, Family Dollar, and 99 Cents Only—in six U.S. states.
Eighty-one percent of the products contains at least one hazardous chemical above levels of concern, and 49% contains two or more such chemicals.
Some of the products with the highest level of chemicals included mini lights, rubber ducks, USB cables, adhesive gem strips, artificial nails. Click on product names to find out the brand, country of manufacture, and level of tested chemicals found in the products. Products were tested for arsenic, bromine, cadmium, chlorine, chromium, mercury, lead, antimony and tin.
Here is an article from a UK newspaper about this study that gives a more visual perspective of the toxic products: