Testing Status of Agents at NTP
Asphalt Table 2
Table 2. Chemical Analysis for Specified PAHsa and Sulfur Heterocyclics in Asphalt Fumes*Collected Above an Asphalt Storage Tank.
| Compound | Concentration |
|---|---|
| Naphthalene (mg/mL sample) | 2,909 |
| Acenaphthene | 181 |
| Fluorene | 192 |
| Phenanthrene | 182 |
| Pyrene | 4 |
| Thionaphthene (mG/G) | 73 |
| Dibenzothiophene | 200 |
| Thianthrene | ND at 24 mG/G limit |
Adapted from Reinke and Swanson [1993].
* Derived from blend of Canadian heavy, sour crudes. Temperature was maintained between 295°F and 305°F (146°C to 152°C).
a Polynuclear aromatic hydrocarbons.
ND = none detected.
Web page last updated on August 15, 2005
