Table 4.
Ratios of measured cellular damage (LDH) for in vitro human lung cell exposures to TOLALD mixtures, (Table 1 and Fig. 5).
| Gas-Only Exposure | |||||||
|---|---|---|---|---|---|---|---|
| Reference Condition* | A. | B. | C. | D. | |||
| A. | Clean Air | 1.00 | 1.00 | 5.55 | 1.59 | ||
| B. | Clean Air | w/MOA | 1.00 | 5.53 | 1.59 | ||
| C. | Clean Air | TOLALD | 1.00 | 0.29 | |||
| D. | Clean Air | TOLALD | w/MOA | 1.00 | |||
| PM-Only Exposure | |||||||
| Reference Condition* | A. | B. | C. | D. | |||
| A. | Clean Air | 1.00 | 1.24 | 1.37 | 3.96 | ||
| B. | Clean Air | w/MOA | 1.00 | 1.11 | 3.20 | ||
| C. | Clean Air | TOLALD | 1.00 | 2.90 | |||
| D. | Clean Air | TOLALD | w/MOA | 1.00 | |||
*
MOA is mineral oil aerosol, TOLALD is p-tolualdehyde.