Sanitation treatments used in this study consisted of various combinations of soaks in diluted 5.25% sodium hypochlorite or 3% hydrogen peroxide and running-water rinses.
| Treatment | Description |
|---|---|
| 1 | 10-min soak in solution of 2 parts bleach to 3 parts water, 12-h running-water rinse |
| 2 | 10-min soak in solution of 1 part bleach to 5 parts water, 12-h running-water rinse |
| 3 | 11-h running-water rinse, 10-min soak in solution of 2 parts bleach to 3 parts water, 1-h running-water rinse |
| 4 | 11-h running water rinse, 10-min soak in solution of 1 part bleach to 5 parts water, 1-h running-water rinse |
| 5 | 10-min soak in solution of 2 parts bleach to 3 parts water, 30-min running-water rinse |
| 6 | 10-min soak in solution of 1 part bleach to 5 parts water, 30-min running-water rinse |
| 7 | 1-h soak in 3% hydrogen peroxide, 1-h running-water rinse |
| 8 | 4-h soak in 3% hydrogen peroxide, 1-h running-water rinse |
| 9 | 12-h soak in 3% hydrogen peroxide, 1-h running-water rinse |
| 10 | 12-h running-water rinse |
| 11 | Control (no soak or rinse) |