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Disc1
| 1 | Official Chemical (DJ Touché vocal mix) | Dub Pistols | 4:57 |
| 2 | Official Chemical (album version) | Dub Pistols | 3:19 |
| 3 | Official Chemical (Dogtown Clash mix) | Dub Pistols | 5:33 |
| 4 | Official Chemical (DJ Touché instrumental mix) | Dub Pistols | 4:54 |