NREP Environmental Certification | Workshops

CES Examination

Environmental Science - CES Certification

CES -- Certified Environmental Scientist: The CES exam establishes a person's understanding of the basic principles of environmental science, including: chemistry, physics, earth science, biology, meteorology, zoology and environmental health.

Education: Bachelor's degree in an environmentally related discipline. Three (3) years of acceptable work experience may be substituted for each year of an academic degree program.

Work Experience: Three (3) years directly related to an environmental science.

Exam Requirements: 1 1/2-hour timed, multiple choice, open book exam. Chemistry, toxicology and biology -- 35%, industrial hygiene -- 20%, risk assessment and prevention -- 15%, earth science -- 15%, regulations and definitions -- 8%, and professional practice and ethics -- 7%.

Download the application form, fill in the required details, and email to or send to P.O. Box 2099, Glenview, IL 60025 6099.

  General Application

Your payment details (Credit Card or Check) can be provided in the General Application downloadable PDF given above. The payment section has to be filled with the required information on Method of Payment and details of Credit Card or Check.


Application/exam fee: $300


Recertification fee: $95


Re-Take Examination fee: $100

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