Bowen EHS, Inc.

This is an inexpensive way to study for the CIH exam or the  ASP and CSP exams. The cost is free.

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Choose your questions:

• CIH study questions,
• ASP and CSP study questions,
• or all  of them.

Questions should start arriving within 2 weeks.

An email is sent out approximately once each week.
(Sometimes, there is a one or two week gap.)

The email contains the week's study question and the solution from the previous week.  Solutions are attached as PDF files.

Questions cover all exam subjects.

Sample Question:

Air is moving at 1000 fpm in an 8" duct.  The air moves through a transition to a 6" duct.  What is the velocity pressure of the air in the 6" duct?

1. 0.020" H₂O
2. 0.197" H₂O
3. 0.444" H₂O
4. 1.778" H₂O

View the solution.

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