Free practice quiz · 10 questions

Decontamination and Site Control Quiz

Answer every question, then press Check my answers to see your score and an explanation for each one. Study first with the guide: HAZWOPER Decontamination Procedures: Decon Line Setup and Steps.

1. What is another name for the exclusion zone?

Answer: Hot zone. The exclusion zone is the hot zone where contamination is or could be present.

2. The decontamination line is set up in order from:

Answer: Dirtiest to cleanest. Decon moves workers from the most contaminated station to the least contaminated.

3. When must a written decon procedure be in place?

Answer: Before anyone enters the site. 1910.120(k)(1) requires the procedure to be developed and communicated before entry.

4. What is usually the first station on a decon line?

Answer: Segregated equipment drop. Workers first drop tools and instruments on plastic or in containers before washing.

5. What should you do with protective clothing that can't be decontaminated?

Answer: Dispose of it properly. PPE that can't be decontaminated must be disposed of; contaminated clothing never goes home.

6. Which is NOT a required element of the site control program?

Answer: Employee vacation schedule. Site control needs a site map, work zones, buddy system, communications, SOPs and nearest medical assistance.

7. If a seriously injured worker is contaminated, you should:

Answer: Give life-saving care first and do gross decon only if it doesn't delay care. Life-saving care comes first. Do quick gross decon if possible, and tell medical staff the contaminant.

8. Workers enter and leave the exclusion zone through:

Answer: Access control points. Access control points control entry and exit and route workers through decon.

9. Why are eating, drinking and smoking banned in the exclusion zone?

Answer: To prevent ingestion of contaminants. Hand-to-mouth contact is a key ingestion route.

10. How can you check whether decon worked?

Answer: Wipe sampling or testing the final rinse. Visual inspection, wipe samples and rinse-solution testing show whether decon removed contaminants.

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