Such air leakage could act to transport potentially dangerous contaminants from the garage into the main body of the house.
Mining operators have failed to neutralize dangerous contaminants which have been absorbed by the ground.
In such cases, however, large quantities of radiation are released along with the plutonium itself, a highly dangerous contaminant.
Still, the new studies indicate that well-chosen greenery can reduce the levels of some dangerous contaminants.
Some filtration - depending on quality - can also remove varying amounts of two other dangerous contaminants: lead and the single-cell parasite called cryptosporidium.
VOCs (volatile organic compounds) are a dangerous contaminant of groundwater.
The agency says it cannot locate enough veterans with high exposures to dioxin, the dangerous contaminant of the herbicide.
The most common, dangerous contaminants found in water are salt, chlorine and sewage.
You are carrying dangerous contaminants and are in violation of health and ecological protection codes.
Microbes have also been developed that show promise in degrading polychlorinated biphenyls and other dangerous human contaminants of soil and water.