Table 3.
Elemental Arizona and New York soil concentrations (µg g−1) determined by pXRF and ICP-MS analysis.
| Arizona | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| ||||||||
| ICP-MS (N=124) |
pXRF (N=124) |
|||||||
| Elements | Minimum | Maximum | Mean | SD | Minimum | Maximum | Mean | SD |
|
| ||||||||
| Zn | 13.8 | 1626 | 187.1 | 252.1 | 16.8 | 908.7 | 152.7 | 213.2 |
| Mn | 149.6 | 2493.3 | 478.3 | 287 | 118.7 | 1264 | 511.5 | 240.9 |
| Pb | 4.65 | 498.9 | 56.8 | 93.4 | 5.63 | 436 | 51.4 | 71.5 |
| As | 0.79 | 23.2 | 4.6 | 3.27 | 2.15 | 26.7 | 6.27 | 4.1 |
| Ba* | 24.4 | 1576 | 204.9 | 178.4 | 129.7 | 417 | 253.6 | 55.6 |
| Ca | 1406 | 1.7×105 | 3.5×105 | 2.9×104 | 1277 | 1.5×105 | 2.9×104 | 2.1×104 |
| Cu | 5.78 | 1019 | 105.8 | 174.7 | 6.8 | 1129 | 116.7 | 186 |
| Ni | 2.17 | 51 | 13.8 | 8.2 | 15 | 59.3 | 28.2 | 8.94 |
| Cr | 6.46 | 58.2 | 18.05 | 8.27 | 19 | 79.3 | 37.2 | 12.2 |
| K | 772.9 | 6820 | 3008 | 1186 | 2836 | 2.6×104 | 1.5×104 | 4980 |
| Fe | 2614 | 2.8×104 | 9793 | 3865 | 6838 | 3.5×104 | 1.9×104 | 6012 |
|
| ||||||||
| New York | ||||||||
|
| ||||||||
| ICP-MS (N=33) |
pXRF (N=33) |
|||||||
|
|
||||||||
| Elements | Minimum | Maximum | Mean | SD | Minimum | Maximum | Mean | SD |
| Zn | 3.9 | 1008 | 198.3 | 224.6 | 79.7 | 1075 | 264.8 | 262.7 |
| Mn | 47.8 | 3362 | 689.7 | 513.7 | 223.5 | 2773 | 789.5 | 395.7 |
| Pb | 2.1 | 2941 | 227.5 | 520.1 | 21 | 2194 | 249.5 | 482.9 |
| As | 0.9 | 34.7 | 9.8 | 7.96 | 4.58 | 97 | 15.5 | 17.3 |
| Al | 2439 | 3 ×104 | 1.4×104 | 4974 | 3251 | 7148 | 5113 | 840.1 |
| V | 5.9 | 43.9 | 28.1 | 8.2 | 97.4 | 268.4 | 171.4 | 36.4 |
| Cu | 4.1 | 1577 | 86.5 | 264.3 | 11.9 | 218 | 51.5 | 44.4 |
| Ni | 5. | 74 | 24.1 | 11.8 | 13.1 | 64.3 | 29.1 | 10.6 |
| Cr | 40.1 | 217 | 78.5 | 39.7 | 28.5 | 304.1 | 59.9 | 52.2 |
| Fe | 3806 | 7.5×104 | 2.7×104 | 1.1×104 | 2.3×104 | 7.2×104 | 3.3×104 | 9487 |
*
Barium was only measured in Arizona due to limited number of New York soil samples.