Sentences with phrase «air contaminant concentrations»
By making buildings more airtight, building owners could increase «indoor - air contaminant concentrations and indoor - air humidity,» the report said.
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The novel metal oxide semiconductor (MOS) gas sensors and so - called gas - sensitive field - effect sensors, which Schütze has been developing in collaboration with partners in Sweden, Finland and Switzerland, are able to detect air contaminants such as formaldehyde, benzene or xylene at concentrations well below one in a million.
There currently is a trend in most environmental sectors (i.e. air, water, and soil) toward decreasing concentrations of many environmental contaminants, including several that are suspected of being endocrine disrupters.