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[Preprint]. 2023 Oct 12:rs.3.rs-3414584. [Version 1] doi: 10.21203/rs.3.rs-3414584/v1

Table 2.

Background elemental soil concentrations (µg g−1) for the western conterminous states, USA as originally provided by Shacklette & Boerngen, 1984.

Elements
Minimum Maximum Mean SD
As 0.1 97 5.5 1.98
Ba 70 5000 580 1.72
Cu 2 300 21 2.07
Pb 10 700 17 1.8
Mn 30 5000 380 1.98
Zn 10 2100 55 1.79