Testing Status of Agents at NTP
Asphalt Table 8
Table 8. Summary of data from Reinke and Swanson [1993].
Content (mg/ml) | ||||
---|---|---|---|---|
PAHs | Sulfur heterocyclics | |||
Asphalt fume condensates | <3-ring | >3-ring | > to 3-ring | MIa |
Field-generated | 7.0 (84)b | 0.8 (9) | 0.5 (7) | >0 & <1 |
Lab-generated at 149°C (300F) | 6.9 (51) | 2.6 (19) | 4.0 (30) | 5.3 |
Lab-generated at 316°C (600°F) | 0.5 (7) | 2.8 (38) | 4.1 (55) | 8.3 |
a MI = mutagenicity index; raw data not provided. Positive control had an MI of 4.6
b
% of PAH in sulfur heterocyclics
Web page last updated on August 15, 2005