# Decontamination and Site Control Quiz Free practice quiz · 10 questions 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](https://www.hazwoperosha.com/guides/hazwoper-decontamination/). **1. What is another name for the exclusion zone?** - Cold zone - Warm zone - Hot zone - Safe 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:** - Cleanest to dirtiest - Dirtiest to cleanest - Any order - Alphabetical by station **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?** - Before anyone enters the site - After the first exposure - At the end of the project - Only for Level A work **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?** - Inner glove removal - Segregated equipment drop - Facepiece removal - Field shower **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?** - Take it home to wash - Reuse it the next day - Dispose of it properly - Store it in the support zone **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?** - Site map - Work zones - Buddy system - Employee vacation schedule **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:** - Delay medical care until full decon is finished - Give life-saving care first and do gross decon only if it doesn't delay care - Leave the worker in the hot zone - Skip telling medical staff about the chemical **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:** - Any point along the hot line - Access control points - The support zone fence - The command post **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?** - To save time - To prevent ingestion of contaminants - Because of noise - It isn't banned **Answer: To prevent ingestion of contaminants.** Hand-to-mouth contact is a key ingestion route. **10. How can you check whether decon worked?** - Wipe sampling or testing the final rinse - Asking the worker - Waiting a week - It can't be checked **Answer: Wipe sampling or testing the final rinse.** Visual inspection, wipe samples and rinse-solution testing show whether decon removed contaminants. ## More free HAZWOPER quizzes - [HAZWOPER 40 Hour Practice Test](https://www.hazwoperosha.com/quizzes/hazwoper-40-hour-practice-test/) · Free quiz · 15 questions - Free HAZWOPER 40 hour practice test with answers and explanations. 15 questions on OSHA 1910.120 training levels, PPE,... - [HAZWOPER 8 Hour Refresher Practice Quiz](https://www.hazwoperosha.com/quizzes/hazwoper-8-hour-refresher-practice-quiz/) · Free quiz · 10 questions - Free HAZWOPER 8 hour refresher practice quiz with answers. 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