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Combustible dust explosion hazards exist in a variety of industries, including food (e.g., candy, starch, flour, feed), plastics, wood, rubber, furniture, textiles, pesticides, pharmaceuticals, dyes, coal, metals (e.g., aluminum, chromium, iron, magnesium, and zinc), and fossil-fuel power generation.
In a nutshell, PVC plastic is uniquely toxic among plastics because of its highly toxic ingredients which readily migrate into the environment during its production, its use, and its disposal.Pure PVC plastic is 57% chlorine, a toxic substance whose production generates substantial pollution (see below). Vinyl is the least recyclable plastic because of the diversity of additives used to make different types of PVC products. 2  In addition, when PVC-products are accidentally mixed with non-chlorine plastics, they contaminate the entire recycling process.