Sentence examples for typical background levels from inspiring English sources

Dr Brown said these concentrations can be up to a million times greater than typical background levels in seawater.

These findings are significant since Pb was biologically active in a stimulating manner below typical background levels (2.0 μg/dl) while adversely effecting red cell synthesis at above background levels (7.0 13 μg/dl) encountered in the environment by humans.

This community was highly exposed to PFOA, but exposure to other PFCs reflects typical background levels.

Typical background levels of AOD for this region were well below 0.5.

Exposure to other PFCs is not determined by residence in a PFOA-contaminated water district and reflects typical background levels, which likely occur through dietary and consumer product exposures (Vestergren and Cousins 2009).

Although the levels of suspended particulate matter during the dust event (up to 2,800 μg/m) were several orders of magnitude higher than the typical background levels at this location (~ 15 μg/m), there could be some influence from resuspension of local dust.

The typical background level for the pollutant is 0.06, according to the agency.

This area experienced considerable fallout from the Chernobyl incident, and soil contamination levels for Cs from the 38 Narodichesky municipal areas where families with children still live vary from 29 to 879 kBq/m (typical natural background levels in the United States from radon are about 20 kBq/m) (Mossman 2007).

This waste is of the low level variety; typical background radiation readings in the area around the school are lower than levels which occur naturally elsewhere in the world.

Background levels, or the typical range of biomarker concentrations expected in the general population, are fundamental for this analysis.

The researchers' initial intention was to take advantage of what they assumed would be the pristine conditions found at such high altitude (the observatory is 5,079 metres above sea level) to measure typical background conditions of the atmosphere.