Table 1.
Selected VOCs found in the US EPA BASE study and their contribution to UTRC’s proposed tolerance metric.
| Compound | Average Concentration (ppbv) | Contribution to Tolerance Index | Origin |
|---|---|---|---|
| Formaldehyde | 11.6 | 0.387 | TLV |
| Acetaldehyde | 4.2 | 0.0627 | OT |
| Benzene | 2.1 | 0.0339 | SMAC |
| Toluene | 8.3 | 0.00519 | OT |
| 1,4-Dichlorobebzene | 1.4 | 0.0117 | OT |
| Carbon disulfide | 1.1 | 0.0115 | OT |
| Styrene | 1.6 | 0.0114 | OT |
| Butyl acetate | 3.3 | 0.0106 | OT |
| m,p-Xylenes | 3.3 | 0.00243 | OT |
| Decane | 1.4 | 0.00190 | OT |
| Undecane | 2.0 | 0.00167 | OT |
| Acetone | 27.1 | 0.00131 | SMAC |
| Dodecane | 2.0 | 0.0010 | OT |
| Naphthalene | 13.0 | 0.342 | OT |