Ozone exposure summaries for the 1990 fumigation season.
| Ozone concentrations (ppb) | ||||||
|---|---|---|---|---|---|---|
| Total ppb-hours | 1 hr daily mean | |||||
| Target | Total dose | Seasonal | Highest | |||
| Charcoal-filtered | 12192.7 | 5.8 | 42.2 | |||
| Non-filtered | 52559.0 | 24.5 | 79.0 | |||
| 2.0 × ambient | 100011.9 | 46.5 | 161.1 | |||