Table 1.
Summary of MSM culture plates showing growth at different concentrations of the enriched chlorpyrifos.
| Concentration | Plates cultured | Number of plates showing growth | Number of plates without growth | Percent Growth |
|---|---|---|---|---|
| 5 ppm | 18 | 2 | 16 | 11,1% |
| 10 ppm | 18 | 5 | 13 | 27.8% |
| 40 ppm | 18 | 4 | 14 | 22.2% |
| Total | 54 | 11 | 43 | 20.4% |
Key: ppm-parts per million.