contaminate

Leakage takes place, and the key is to be able to detect that leakage and any sulfide oxidation that results, and to deal with it before it contaminates the environment.

5 of the more than 70 tons of the polychlorinated biphenyls (PCBs) that contaminate the Hudson River.

In the July/ August JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, the researchers report finding two nitrosamines--known as NMAMPA and NMAMBA--that commonly contaminate local millet and wheat flour, two of the region's food staples.

One of the greatest dangers from PCBs occurs after a transformer fire, when poisonous toxins, carried by soot and smoke, can often contaminate the entire building.

Because the same appears to be true of Canadians and Europeans, dioxin researchers are now coming to the conclusion that these industrial pollutants, along with furans and PCBs, contaminate the bodies of all individuals living in developed countries--and potentially in many lesser-developed countries as well.