Certified Hazardous Materials Manager

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Accelerate your career by using CHMMprep Version 6.0 to prepare for the Certified Hazardous Materials Manager certification exam offered by the Institute of Hazardous Materials Management (IHMM).

CHMMprep Version 6.0 is an interactive self-study program containing over 2,000 multiple choice questions accompanied by detailed explanations and references.   The questions are organized based on the Duty Areas outlined by the IHMM in their CHMM Blueprint  and are developed from the recommended reference materials provided by the IHMM.  Take our Free Quiz to experience Datachem's question/ answer format.​


Study at your own Pace.   Licenses are available in 60 – 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
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 thirty-five 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.

Gary Lindgren, BS, MPA, CHMM, CCEP

CHMMprep V6.0 was authored by Gary Lindgren.  Gary has over 40 years of direct HSE work experience; in government, consulting, chemical manufacturing, commercial hazardous waste management and petroleum refining.  Gary has materially participated in the successful acquisition of over two dozen facilities in the refining, chemical manufacturing and hazardous waste sectors, at market valuation well in excess of $1B. 

Currently, Gary oversees Enterprise Risk and Compliance programs for a holding company with facilities in the Chemical Manufacturing, Petroleum Refining, and Commercial Hazardous Waste Management sectors.  Over his career, he has been Corporate HSE Director for companies in each of those market segments, managing HSE professionals at both the corporate and facility levels.   

Gary is the co-inventor of a hazardous waste treatment apparatus, and has authored several publications, including Managing Industrial Hazardous Waste:  A Practical Handbook published by Lewis Publishers in 1989.  More recently, Gary completed Environmental Risks in Mergers & Acquisitions in 2020.  Gary has taught graduate-level courses in HSE management at Indiana University, as an adjunct professor. 

Gary received his B.S. and M.P.A. in Environmental Policy from Indiana University.  Gary is a CHMM and was named a Fellow of the Institute of Hazardous Materials Management in 1986.   Gary is also a Certified Compliance and Ethics Professional (CCEP). 


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