Question

In the context of environment with the dirty dozen refers to

Answer 1

refers to what... this is incomplete question or what.. I can't understand your question...

Answer 2

The "dirty dozen" is a hazardous chemical banned in an internationally known to be persistent organic pollutants, POPs.

The United Nations Environment Program declared this background on what they are and what harm they can do to the human.

Once released in the environment, they:

•    Remain intact for very  long periods of time.

•    Become widely distributed throughout the environment polluting  soil, water and, most notably, air;

•    Accumulate in the fatty tissue of living organisms causing serious disease and react with  the food chain;

•    Are toxic to both humans and wildlife.