Prior to applying new products, the benefits of soil fertility must be carefully weighed against the risks, and the first step is identifying potential sources of contamination. (rodaleinstitute.org)
The plastic bags themselves were a major source of contamination. (discovermagazine.com)
The companies are the current owners of the manufacturing plants that have been identified by state investigators as the most likely sources of the contamination. (timesunion.com)