Table 3.
Summary statistics for selected pesticides and lead measured in soil samples collected from the participating childcare centers.
| Analyte | Number of Samples Above Reporting Limit | Percent Detect | Mean | STD | Geometric Mean | 50th P | 75th P | 90th P | 95th P | Max |
|---|---|---|---|---|---|---|---|---|---|---|
| Pesticides (n = 33; µg/kg) | ||||||||||
| Bifenthrin | 16 | 48 | b | b | b | a | 3 | 20 | 58 | 120 |
| Trifluralin | 8 | 24 | b | b | b | a | a | 2.4 | 12 | 30 |
| Deltamethrin | 4 | 12 | b | b | b | a | a | 2.4 | 24 | 32 |
| Chlorpyrifos | 1 | 3 | b | b | b | a | a | a | a | 42 |
| Cyfluthrin | 1 | 3 | b | b | b | a | a | a | a | 74 |
| cis-Permethrin | 1 | 3 | b | b | b | a | a | a | a | 2.4 |
| trans-Permethrin | 1 | 3 | b | b | b | a | a | a | a | 2.2 |
| Diazinon | 0 | 0 | b | b | b | a | a | a | a | a |
| Metal (n = 12; mg/kg) | ||||||||||
| Lead | 12 | 100 | 22 | 12 | 18 | 16 | 30 | 34 | 50 | 50 |
aAt this percentile, all values were below the reporting limit.
bStatistic not calculated.