Volatile Organic Compounds
| 1. Benzene | 11. 1, 2-dichlorobenzene |
| 2. o-xylene | 12. 1, 3-dichlorobenzene |
| 3. m-xylene | 13. 1, 4-dichlorobenzene |
| 4. p-xylene | 14. Ethylbenzene |
| 5. Bromobenzene | 15. Isopropylbenzene |
| 6. n-butylbenzene | 16. n-propylbenzene |
| 7. sec-butylbenzene | 17. 1, 2, 4-Trimethylbenzene |
| 8. tert-butylbenzene | 18. 1, 3, 5-Trimethylbenzene |
| 9. 2-chlorotoluene | 19. Toluene |
| 10. 4-chlorotoluene |
