What is a calibration test or “Bump” test, and how often should you perform the test?

HAZMAT Answer the following questions 1- In brief, explain the differences between a 4 (Four) gas meter, PID, FID, and a Radiation meter. 2- What is a calibration test or “Bump” test, and how often should you perform the test? 3- What are “correction factors”? Explain why is important for you to know this information. […]