Read the original Huffington Post blog from our Toxics Campaigner John Deans 

View of the Plant A complex at Dow's Freeport, Texas operations center. Texas Operations is Dow's largest integrated site. The site contains more than 3,200 acres of waterways and pipeline corridors and houses more than 1,900 buildings across the site.

Despite a decade of security measures in our airports, monuments, and cities, tens of millions of Americans in major metropolitan areas are at risk of deadly exposure to toxic chemicals. Thousands of chemical facilities are vulnerable to accidents or acts of terrorism, and almost 500 of these facilities are located in or near America’s most populous cities. Continue reading →