Recently the Consumer Product Safety Commission issued a set of guidelines under the general description of CPSIA (Consumer Product Safety Improvement Act). It provides a number of directives concerning various compounds and manufacturing processes used for and in the production of items such as books, toys, and clothing.
These mats do not fit into any of the CPSIA categories and therefore do not require compliance testing.
However, we have reviewed the Materials Handling Data Sheets (MDHS) for the ink and the vinyl. Neither contain any materials or substances currently known to be hazardous.