"Untested chemicals" refers to substances that have not been thoroughly examined or studied for their effects on humans, animals, or the environment. Full definition
They and other groups are also looking at the role of untested chemicals in common cleaning products: phthalates, glycol ethers and other known toxins. (scientificamerican.com)
But eliminating untested chemicals from the supply has proven difficult, at least in part because the federal regulatory structure assumes that chemicals are «innocent until proven guilty,» Trasande says. (health.com)
To fight for clean air and water, and for less untested chemicals in all our food products, is a fight to have more healthy children for our schools to educate. (tcrecord.org)