Sentences with phrase «term air concentration»
However there are limited long - term air concentration datasets and significant gaps in the spatial and temporal coverage (Keeler et al., 2009).
https://www.mediamatters.org/ Not exact matches
«These releases could lead to a higher short - term concentration of certain pollutants in the air, soil and surface water bodies where the meltwater runs to,» worries Nazarenko.
«Except for inhalation exposures that may have occurred on 9/11 and a few days afterwards, the ambient air concentration data suggest that persons in the general population were unlikely to suffer short - term or long - term adverse health effects caused by inhalation exposures,» EPA scientists wrote in their analysis published in 2007 [pdf].
Havet explained the key findings: «For the first time in adults, we found associations between long - term exposures to outdoor air pollution, exhaled 8 - iso concentration and current asthma.
Because of temporal variabilities in source, composition and concentration of SHS, conventional exposure assessment using indices of SHS, as measured in the ambient air or in the body fluids of exposed individuals, at certain times has failed to estimate long - term SHS exposure 10.»