Table 1.
Test material properties.
| Exposure material in GIMS (F and/or C) | Soil source | Soil properties | |||||||
|---|---|---|---|---|---|---|---|---|---|
| As (mg/kg) | Fe (mg/kg) | Mn (mg/kg) | Al (mg/kg) | Pb (mg/kg) | Zn (mg/kg) | pH | Particle size (micron) | ||
| F | Mining-Impacted | 965 | 97,663 | 1523 | 72,076 | 24 | 461 | 5.7 | <250 |
| F, C | Pesticide-Impacted | 411 | 20,346 | 466 | 12,754 | 1281 | 74 | 5.6 | <250 |
| F, C | NIST 2710 A | 1540 | 38,589 | 1817 | 10,861 | 5582 | 4204 | 4.0 | <74 |
| C | USGS Flat Creek Montana | 748 | 36,054 | 2605 | 4136 | 6745 | 9200 | 5.9 | <250 |
F – GIMS inoculated with fecal material.
C – GIMS inoculated with ceca material.
Unpublished results from EPA/ORD/Bradham laboratory.