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| Chemical Name Sort descending | Activity Count | Plant Part | Low Parts Per Million | High Parts Per Million | Standard Deviation | Reference |
|---|---|---|---|---|---|---|
| ALUMINUM | 5 | Stem | 190.0 | 4400.0 | 3.47 | Duke, 1992 * |
| ASH | 0 | Stem | 38000.0 | 88000.0 | 0.92 | Duke, 1992 * |
| BARIUM | 0 | Stem | 11.0 | 2640.0 | 2.96 | Duke, 1992 * |
| BORON | 4 | Stem | 3.0 | 26.0 | -0.39 | Duke, 1992 * |
| CADMIUM | 3 | Stem | 0.0 | 5.0 | 1.38 | Duke, 1992 * |
| CALCIUM | 28 | Stem | 2584.0 | 22880.0 | 0.45 | Duke, 1992 * |
| CHROMIUM | 24 | Stem | 0.3 | 6.2 | 0.08 | Duke, 1992 * |
| COBALT | 2 | Stem | 0.0 | 2.4 | -0.61 | Duke, 1992 * |
| COPPER | 12 | Stem | 3.8 | 132.0 | 0.41 | Duke, 1992 * |
| FLUORINE | 0 | Stem | 0.0 | 0.3 | 1.95 | Duke, 1992 * |
| IODINE | 12 | Stem | 4.0 | 6.0 | 0.77 | Duke, 1992 * |
| IRON | 6 | Stem | 19.0 | 4400.0 | 3.47 | Duke, 1992 * |
| LEAD | 0 | Stem | 2.0 | 176.0 | 2.30 | Duke, 1992 * |
| LITHIUM | 11 | Stem | 0.2 | 1.1 | -1.66 | Duke, 1992 * |
| MAGNESIUM | 65 | Stem | 380.0 | 8800.0 | 1.70 | Duke, 1992 * |
| MANGANESE | 14 | Stem | 19.0 | 2640.0 | 1.06 | Duke, 1992 * |
| MERCURY | 1 | Stem | 0.0 | 0.1 | 0.71 | Duke, 1992 * |
| NICKEL | 3 | Stem | 0.2 | 4.4 | -0.71 | Duke, 1992 * |
| PHOSPHORUS | 4 | Stem | 228.0 | 4224.0 | 1.28 | Duke, 1992 * |
| POTASSIUM | 14 | Stem | 3268.0 | 19360.0 | 0.43 | Duke, 1992 * |