Table 1: Statistic summary of 2,4-D IDLs.
| Soil | Drinking water | Agricultural commodity | |
| Number of IDLs | 147 | 180 | 91 |
| Arithmetic mean (mg/kg-day) | 1.50E - 03 | 1.14E - 02 | 6.37E - 03 |
| Median (mg/kg-day) | 1.09E - 03 | 8.57E - 04 | 6.95E - 03 |
| Geometric mean (mg/kg-day) | 2.11E - 04 | 4.33E - 04 | 5.63E - 03 |
| Standard deviation (mg/kg-day) | 2.93E - 03 | 9.00E - 02 | 2.11E - 03 |
| Max IDL (mg/kg-day) | 2.08E - 02 | 8.57E - 01 | 1.14E - 02 |
| Min IDL (mg/kg-day) | 6.92E - 08 | 2.86E - 06 | 5.38E - 04 |
| Order of magnitude variation | 5.48E + 00 | 5.48E + 00 | 1.33E + 00 |
| Correlation coefficient | 0.907 | 0.861 | 0.761 |