The Sachdeva Family is like many others. A father with a government job; his wife a homemaker; a son starting a career; and a daughter in high school. And like most other families in a big city, the Sachdevas are surrounded in their everyday lives by a cocktail of toxic substances they are hardly aware of.Following these four--and some others who come in and out of their circle of existence--'Our Toxic World' takes a close look at these hidden perils, and ...