Ah, I see we've now shifted from the nihilistic "Scorched Earth" (future nuclear war) to misdirection (chemicals in the food supply).

If your car has brakes that are failing, and also has bald tires, what should you do? Fix BOTH.

FWIW -- I believe both Air and Water quality in a great many places have improved markedly in the past 40 years (Lake Washington, e.g.), and it wasn't the free market, nor pro-business "conservatives" (how ironic that name seems at times) who did the heavy lifting. It was science + environmentalists. The same people who you're ignoring on this one.