1.6.1 Zpracování ropy a petrochemie (23.20)
| NL | mg/l | 50 |
| CHSKCr | mg/l | 250 |
| BSK5 | mg/l | 50 |
| N-NH4+ | mg/l | 20 |
| N-NH4+ | mg/l | 40 (Z) |
| NEL | mg/l | 5 |
| PAU | mg/l | 0,01 |
1.6.1 Zpracování ropy a petrochemie (23.20)
| NL | mg/l | 50 |
| CHSKCr | mg/l | 250 |
| BSK5 | mg/l | 50 |
| N-NH4+ | mg/l | 20 |
| N-NH4+ | mg/l | 40 (Z) |
| NEL | mg/l | 5 |
| PAU | mg/l | 0,01 |