Sentences with phrase «open air contamination»
Not exact matches
In the gleaming new Laboratories of Molecular Anthropology and Microbiome Research, opened in 2014 at the University of Oklahoma, positive air pressure keeps out external contamination, and intense ultraviolet lamps are on standby to sterilize the lab between uses.
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That waste, which contains microbes that can make humans sick, is collected in open pits or sprayed on fields as fertilizer, risking contamination of the air, water, and soil.
When CO2 levels stabilized, indicating effective removal of contamination by younger and / or ambient air, sampling from the lower opening was initiated.
Yet despite the continued health problems and persistent environmental contamination, the North Carolina - based Nucor Corporation was just granted the air permit it needs to open yet another plant in the area, an iron and steelmaking complex.