| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Brassica oleracea var. capitata l. | Leaf | 1.4 | 203.0 | 2.6 | * |
| Lactuca sativa | Leaf | 0.36 | 87.0 | 0.8 | * |
| Symphoricarpos orbiculatus | Stem | 0.8 | 44.0 | 2.4 | * |
| Phaseolus vulgaris | Fruit | 1.0 | 22.0 | 3.4 | * |
| Rhus copallina | Leaf | 0.5 | 14.4 | -0.4 | * |
| Nyssa sylvatica | Leaf | 0.5 | 13.6 | -0.4 | * |
| Sassafras albidum | Leaf | 0.66 | 10.2 | -0.4 | * |
| Rhus copallina | Stem | 0.5 | 9.6 | -0.0 | * |
| Juniperus virginiana | Shoot | 0.8 | 8.8 | 1.4 | * |
| Phaseolus lunatus | Seed | 0.9 | 7.0 | 2.2 | * |
| Prunus serotina | Leaf | 0.6 | 6.7 | -0.5 | * |
| Pinus echinata | Shoot | 0.3 | 6.3 | 0.5 | * |
| Sassafras albidum | Stem | 0.2 | 5.5 | -0.3 | * |
| Liquidambar styraciflua | Plant | 2.0 | 5.0 | 1.0 | * |
| Cichorium endivia | Leaf | 4.0 | 4.8 | -0.5 | * |
| Prunus persica | Fruit | 0.3 | 4.5 | 0.1 | * |
| Brassica pekinensis | Leaf | 3.8 | 4.2 | -0.5 | * |
| Lycopersicon esculentum | Fruit | -- | 4.0 | 0.0 | * |
| Petroselinum crispum | Plant | 3.8 | 4.0 | 0.4 | * |
| Diospyros virginiana | Leaf | 1.0 | 3.5 | -0.6 | * |