The most basic Interview questions for Biohazard Remediation Technician aka CTS Decon Specialist (Crime and Trauma Scene Decontamination) are:
-The worst thing you've ever seen?
-Why would you do this job?
-Do you clean at home?
-Do you get used to the smell?
-What was your first clean-up job?
-Are there any secrets to dampening the smell of rotting corpses?
-How did you get involved in this line of work?
-How do you keep emotionally detached from the scene you are encountering?
-What sort of trauma do you clean up after?