Engine: General Subjects

1. A The discharge of comminuted sewage is prohibited, but the discharge of disinfected sewage is permitted.
2. B The discharge of comminuted and disinfected sewage is permitted.
3. C The discharge of disinfected sewage is prohibited, but the discharge of comminuted sewage is permitted.
4. D The discharge of any sewage, treated or untreated, is prohibited.

Tip: press A-D to answer