CES - Certified Environmental Scientist
CES - Certified Environmental Scientist establishes a professional's understanding of the basic principles of environmental science, including chemistry, physics, earth science, biology, meteorology, zoology and environmental health.
This Test:
- Online Examination (link provided by email)
 - Number of questions: 100
 - Format of questions: Multiple Choice
 - Has a time limit of: 02:00:00
 - Has a pass mark of: 75%
 - Is intended to be closed book.
 
| Chapter | Chapter Name | # of Questions | % of Exam | 
|---|---|---|---|
| 2 | Air | 32 | 32% | 
| 3 | Water | 24 | 24% | 
| 4 | Waste | 24 | 24% | 
| 5 | Brownfields | 1 | 1% | 
| 6 | Green Chemistry and Radiation | 6 | 6% | 
| 7 | Pesticides | 6 | 6% | 
| 8 | Human Health and Environmental Ethics | 7 | 7% | 
| TOTAL | 100 | 100 | 
Read more about the certification: 
Sample Questions
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CES - Certified Environmental Scientist 
Contact
National Registry of Environmental Professionals®
PO Box 2099
Glenview, IL 60025
