As plastics sit there being compressed amongst layers of other junk, rainwater flows through the waste and absorbs the water-soluble  compounds it contains, and some of those are highly toxic.
A medida que o plástico  queda comprimido entre capas de lixo, a auga de choiva flúe a través dos residuos e absorbe os compostos solubles en auga que estes conteñen, algúns deles altamente tóxicos.