Certified Industrial Hygienist V11.0

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Accelerate your career by using CIHprep V11.0 to prepare for the Certified Industrial Hygienist certification exam offered by the Board for Global EHS Credentialing  (BGC).
CIHprep V11.0 is an interactive self-study program containing over 2,550 multiple choice questions accompanied by detailed explanations and references.   Take our Free Quiz to experience Datachem's question/ answer format.​

The Program fully aligns questions and topics to the 3 Domains (Exposure Assessment, Exposure Control and Risk Management) and associated tasks to the latest CIH® Exam Blueprint. The knowledge and skills candidates should possess to perform the tasks are stressed.   Version 11.0  includes a broader focus on infectious disease preparedness and response plans to include risk management and the role of the IH in a pandemic, and also contains updated questions in the broad knowledge area of air sampling, engineered nanoparticles, ventilation, toxicology, analytical chemistry, vibration, ergonomics, thermal stress, work environments, radiation, epidemiology, indoor air quality and business ethics.​

Study at your own Pace.   Licenses are available in 90 – 365 day options.   Purchase only what you need.
Study When and Where you want.   Use any internet connected smartphone, tablet or laptop to study.   Download and CD versions are available for those who don’t have a reliable internet connection.
Focus your efforts where you need it most.  Create and use practice tests to focus your studies more efficiently.
Measure your progress with the Practice Exam module.    Simulate the exam by taking a timed practice test. Click to Take a Tour of the Practice Test Module
Ask a colleague.   Your CIH colleagues may have used Datachem to prepare for their exam.  Ask them about their experience with the program.
No Risk.   If you don't pass your exam, click to read Datachem's money back or no-charge extra time offer

Proven, trusted study resource. 

For over thirty years, thousands of professionals have relied on Datachem Software programs to help them pass their certification exam.   Most of us lead very busy lives, juggling work responsibilities with professional development, plus family and personal time. Datachem self-study programs allow users to fit their professional development studies into their schedule, rather than adjust their lifestyle and schedules to fit study requirements.   
Our mission is to help professionals pass their certification exams.   In addition to the programs, our team is available to answer questions and troubleshoot problems. We also encourage your feedback so we can improve our products and help others with their purchase decision.



The CIHprep is written/edited by Edward K. Stevenson, MS, CIH (1984 - 2017 retired), CSP (1986 - 2017 retired).  He is an expert in safety and industrial hygiene, with special emphasis in risk assessment, project management, construction safety, quality assurance, confined space programs, noise/vibration control and radiation. . Mr. Stevenson is experienced in high-profile national emergency responses including the BP Gulf Oil Spill Response and the World Trade Center Cleanup Operations as well as high risk health and safety audits of operations such as demilitarization of chemical agents/ weapons and the construction of two 350 MW coal fired electrical power plants at the largest energy producer in Morocco.

Mr. Stevenson is President of EK Stevenson Consulting, based in Florida. Previous to this, he worked for TAQA, United Arab Emirates, Jorf Lasfar Energy Company, Morocco, BP America, Houston, MC252 Deep Water Horizon, LA. and at various positions for Liberty Mutual Insurance Company over a 34 year period including Loss Control Specialist, Industrial Hygienist, Consultant in Acoustics, Consultant in Radiation, Technical Director of Industrial Hygiene and retiring as Director of Industrial Hygiene.

Mr. Stevenson has a MS degree in Industrial Hygiene from Harvard University, a BS from SUNY Albany and an AAS in Engineering Science from Ulster County Community College.

Mr. Stevenson was an Instructor at Harvard University’s Department of Environmental Health and is a member of or has served on the following professional committees: the American Industrial Hygiene Association, American Society of Safety Engineers, AIHA Technical Noise Committee, New England Chapter AIHA Board of Directors and Past President, American Board of Industrial Hygiene, Board of Certified Safety Professionals, Health Physics Society, National Fire Protection Association- NFPA 99 Technical Committee- Piped Medical Gases, ANSI B-11 TR5 Subcommittee- Sound Level Measurement Guidelines for Measuring, Evaluating, Documenting and Reporting Sound Levels Emitted by Machines, Nanotechnology Air Sampling Workgroup, Liberty Mutual Complex and Emerging Risk Review Board.



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