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We completed our September 2023 ASP®- CSP® Online Review Course survey process. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the October 2023 CSP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey.

We completed our survey process for the September 2023 ASP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the July 2023 CHMM Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey.

We completed our survey process for the July 2023 CIH Online Review course. 100 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our May 2023 ASP®- CSP® Online Review course survey process. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the April 2023 CSP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey.

We completed our survey process for the March 2023 ASP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the February 2023 CHMM Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey.

We completed our January 2023 ASP®- CSP® Online Review course survey process. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the January 2023 CIH Online Review course. 100 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We have reorganized our products to better meet your needs for OESH certification exam prep and certification maintenance.

Here is the new lineup!

Certification Exam Prep

• Exam Prep Online Review Courses – A guided approach to exam prep with live lectures and instructor support.
• Study Tools – To be used for studying on your own.
  • Free Questions Tool
  • Practice Questions Tool
  • The Companion Toolkit

Certification Maintenance

• The Continuing Ed Package – Earn CEUS toward certification or recertification.

Read on for answers to commonly asked questions.

What are the Bowen EHS Exam Prep Online Review Courses?

These are the same great comprehensive courses we’ve been providing for almost 20 years and now include the Companion Toolkit and access to additional Live and On-Demand Webinars.

View Exam Prep Online Review Courses

What is the Free Questions Tool?

This tool gives access to the solutions and explanations from the most recent study questions from our weekly study question email program, along with 10-question quizzes with questions randomly chosen from our study question databases.

View the Free Questions Tool

What are the Practice Questions Tools?

Tools that provide access to one Bowen EHS study question database (ASP-CSP, CIH, or CHMM), practice quizzes, and flashcards. They connect with the Bowen EHS Quiz Game Apps. (Formerly called “Plus” memberships.

View the Practice Questions Tool

What is the Companion Toolkit?

This is the perfect tool for those who want to study independently or as additional resources to supplement a study program. Access all study question databases, mini-exams, extra help sessions, the Ethics Collection, the Math for OESH Exam Prep short course, additional concentration areas, and the Forum/Discussion area. This is included with all Exam Prep Online Review Courses and works with the Bowen EHS Quiz Game Apps. 

View The Companion Toolkit

What is the Continuing Ed Package?

This new package provides one year of access to all available Bowen EHS PDCs (Professional Development Courses) and Webinars (Live and On-Demand). Completion of PDC and webinar requirements awards up to 50 contact hours.

View The Continuing Ed Package

What are Extra Help Sessions?

Available as part of the Companion Toolkit, these live online sessions allow you to join one of our certified instructors to ask questions, get solutions, and build confidence as you prepare for your OESH certification exam. 

View Extra Help Sessions

What is the Ethics Collection?

This self-paced webinar collection is designed to provide OESH professionals with ethics training required by certification boards. It is included as part of the Companion Toolkit and The Continuing Ed Package.

View the Ethics Collection

What is the Math for OESH Exam Prep Course?

This course is designed to help you build proficiency in areas that will help you go into your certification exam with confidence. This short course can be used in addition to the math lectures in our Exam Prep Online Review Courses or on its own as part of the Companion Toolkit. 

View the Math for OESH Exam Prep Course

All Bowen EHS products are now a one-time purchase for the length of time noted in the course, tool, or package.

If you have any questions or the product you purchased is not working how you feel it should, please contact us at This email address is being protected from spambots. You need JavaScript enabled to view it..

~ The Bowen EHS Team

To better serve you, our clients, we are reorganizing our products to differentiate what you can use for OESH certification exam prep and certification maintenance.

We are also simplifying the purchase process and discontinuing membership subscriptions.

We completed our survey process for the October 2022 CSP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey.

We completed our survey process for the September 2022 ASP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the August 2022 CHMM Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey.

We completed our survey process for the July 2022 ASP^®- CSP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the July 2022 CIH Online Review course. 100 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the May 2022 ASP^®-CSP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the April 2022 CSP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey.

We completed our survey process for the March 2022 ASP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the February 2022 CHMM Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey.

We completed our survey process for the January 2022 ASP^®-CSP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the January 2022 CIH Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the October 2021 ASP^®-CSP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the July 2021 CHMM Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey.

We completed our survey process for the August 2021 ASP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the July 2021 ASP^®-CSP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the July 2021 CIH Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the May 2021 ASP^®-CSP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the March 2021 ASP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the February 2021 CHMM Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey.

We completed our survey process for the January 2021 ASP^®/CSP^® Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

We completed our survey process for the January 2021 CIH Online Review course. 90 days after the course end date, we determined the participants who completed the course and asked them to participate in a short survey. 

The only thing constant in life is change, and this rule applies equally to the various certification exams that you might be preparing for. In October 2019, the Institute of Hazardous Materials Management (IHMM) announced a new blueprint for the Certified Hazardous Materials Manager (CHMM) exam. The current blueprint, which has been in effect since July 2013, was reviewed and a Job Task Analysis (JTA) performed. This JTA involved current CHMMs providing feedback on what tasks and skills are necessary for a minimally qualified hazardous materials manager to be competent.

While we can't help you scrub floors or organize your closets, we can help you get started in spring cleaning your inbox.

Here are 7 Tips to keep your inbox neat and tidy:

We are proud to announce Bowen Learning Network is accredited by the International Association for Continuing Education and Training (IACET). Bowen Learning Network complies with the ANSI/IACET Standard, which is recognized internationally as a standard of excellence in instructional practices. As a result of this accreditation, Bowen Learning Network is accredited to issue the IACET CEU.

We're excited about our latest release of our Quiz Games apps for CIH, CHMM, and ASP-CSP exam prep. The updated free apps have a few new things to make study questions better and more comprehensive for you: embedded equations, formulas and images.

Many state that the CIH certification is the most prestigious certification in the EH&S industry. You may or may not believe this statement.