Several eco-labeling standards take into account whether a production process may result in emissions of criteria pollutants, which may include mercury, or whether a product may contain toxic chemicals.
若干种生态标准察看某一生产工艺是否会导致受管制的污染物发生排放，其中可能包括汞，或察看某一产品中是否含有有毒化学品。