Sentence examples for average concentrations from inspiring English sources

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

The standard, stated in terms of average concentrations of ozone at ground level over an eight-hour period, is now 84 parts per billion.

Of the 80 water samples taken across the city – water that serves 1.5 million people – 79 showed average concentrations of 7.853 ppb.

The present standard, expressed in terms of average concentrations at ground level, is 84 parts per billion; Mr. Johnson would lower that to 75, while the advisory panel recommended 60 to 70 parts per billion.

Average concentrations are 1.6, 0.27 and 0.21 μM, respectively.

Based on average concentrations within each product type.

The largest average concentrations for most pollutants were measured during train commutes and the lowest average concentrations were observed during light-rail commutes.

Average concentrations during the growing seasons varied between years from 0.07 to 0.29 ng g−1.

The average concentrations of TCAN, DCAN, CKP and 111TCPone were significantly higher in summer.

In addition, maximum plume movement and tidal average concentrations are computed.

Higher average concentrations will be observed during longer low-flow periods.