This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Following are the waste types not to be incinerated except 
Select and explain. 
A. Pressurized gas containers, B. Reactive chemical waste, C. Content of combustible matter above 60%, D. Halogenated plastics
C: Content of combustible matter above 60%
Answer: C: Content of combustible matter above 60% 
Explanation: None