TheWatchers, 9/10/13
It is now distributed widely throughout North America, as depicted by the image below:
Perchlorate and the Post-Organic Era
Perchlorate is an environmental pollutant primarily associated with releases by defense contractors, military operations and aerospace programs, as it is a key ingredient in rocket fuel. It is now found in virtually all humans tested, and it is continually making its way up the food chain through ground and drinking water, into feed and edible plants, animals products, milk and breast milk - contaminating conventional and organically grown food, alike.
In 2005 the Journal of Environmental Science and Technology published a study on perchlorate levels in North America. They found: