Sentence examples for average concentrations of elemental from inspiring English sources

The samples were analyzed for daily 24-h average concentrations of elemental and organic carbon, trace elements, and speciated particle-phase organic compounds.

Annual average concentrations of elemental constituents of PM ≤ 2.5 and ≤ 10 μm (PM2.5 and PM10) at maternal home addresses during pregnancy were estimated using land-use regression models.

Methods: We built national spatial exposure models that used partial least squares and universal kriging to estimate annual average concentrations of four PM2.5 components: elemental carbon (EC), organic carbon (OC), silicon (Si), and sulfur (S).

But annual average concentrations of NO2 are higher than those for PM2.5.

Briefly, ambient air sampling was conducted on a rotating basis at 27 sampling sites in the greater Cincinnati area from 2001 through 2006, and the average daily concentration of elemental carbon was determined for each.

The average concentration of "B.

For the pollutants with larger differences in average concentrations - PM2.5 elemental carbon, nitrogen dioxide, carbon monoxide, and sulfur dioxide - the rate ratios per unit increases varied across metrics.

For diesel particulates, we relied on a protocol from the California EPA using ambient concentrations of elemental carbon as a surrogate for estimating diesel particulate concentrations.

Concurrent measurements of microenvironment concentrations of elemental and organic carbon (EC & OC), and fine particulate matter (PM2.5) combined with time activity patterns allowed for calculation of individual exposures.

We measured the concentrations of elemental carbon (EC), organic carbon (OC), trace metals, nitrate, and sulfate in PM2.5 10 and PM2.5 samples.

This concentration of elemental species is typical of that for Midwest hardwood samples.