Table 1: Toxic equivalent factors used for converting PAHs congeners in vegetables into benzo[a]pyrene.
| PAH (Peak name) | Toxic Equivalency Factors (TEFs) |
| Benzo(b)fluoranthene | 0.1 |
| Benzo(k)fluoranthene | 0.1 |
| Indenol(1,2,3-c,d)pyrene | 0.1 |
| Benzo(g,h,i)perylene | 0.01 |