Sentence examples for total lead concentration from inspiring English sources
A weak correlation was observed between total lead concentration absorbed by roots and genotoxicity (r2=0.65).
There are no changes in the XANES spectra of samples from core SC4 even though the total lead concentration increases significantly from 214 μg g-1 at 1.5 cm to 1269 μg g-1 at 34.5 cm.
Potentially significant lead uptake could even occur from less heavily contaminated soils with total lead concentrations below the U.S. EPA 400-ppm RSSL.
Total lead concentrations measured with ICP-MS in soil and sweep samples with total lead > approximately 400 ppm were generally twice the concentrations measured on the same samples in the field by CDC/TG using handheld XRF [see Supplemental Material, Figure S2A (http://dx.doi.org/10.1289/ehp.1206051)].
Total lead and cadmium concentrations were determined using a Perkin Elmer Analyst 600 Atomic Absorption Spectrometer (Perkin Elmer Hispania, Madrid, Spain), fitted with a transversely heated graphite atomizer furnace assembly and longitudinal Zeeman-effect background correction.
We found a correlation between tremor severity (total tremor score) and blood lead concentration (r = 0.48; p < 0.001) in the entire sample.
We explored the effects of whether the mother ate fish/seafood when she was pregnant (yes/no) and also the effects of cord blood total mercury and lead concentrations (continuous measures), but found that these covariates did not materially change the relationships between PBDE concentrations and developmental indicators.
The total lead content was estimated using weights and lead concentrations measured in the above-mentioned individual egg and foetus components.
Lead concentration data was abstracted from a total of 31 studies, including wine from 18 countries for a total of 472 wine samples.
Lead concentration data was abstracted from a total of 31 studies, including wine from 18 countries for a total of 472 wine samples (Table 1).
The total MDA content was increased with the increasing lead concentration (up to 400 mg/L) and slightly decreased at higher Pb doses.
