Hydrogen Sulfide Awareness Quiz

Only an AGT is allowed to use a gas monitor?

The Occupational Safety and Health Act allows for no gas testing to be performed within a confined space ?

“You cannot use solvent based or hydrocarbon to clean gas monitors as it can contaminate the instrument sensors and cause spurious readings”.

“When conducting hot work it is important to place the gas testing probe in a full 360°, in low lying areas (for H2S), at arms height for CO2 and high up for methane”

Where Gas sampling is not feasible due to constraints such as access, alternative techniques can be implemented which include –

When should gas testing be conducted during the removal of a circuit breaker on the Well Deck? (Hint- There are multiple correct answers)

Initial Gas testing should only be performed by –

While taking an initial gas test prior to commencing welding on a 4” spool piece LEL was recorded at 1% and Oxygen Levels were recorded at 19.9%. Which of the following steps should be taken-

Which of the following steps are mandatory prior to commending hot work on the separator Deck? (Hint: there are more than one correct answer)

A senior technician is asked to take an oil sample from the hatch cover of the WEMCO. His gas monitor should be equipped with the following sensors-

You notice that the LEL % within a confined space gradually increasing, but it did not reach the LEL limit set on the Gas monitor. What should you do?

Bump testing on Gas Monitors should be conducted

Gas motors should be located ________ for effective monitoring-

The monitoring alarm limits for Oxygen are typically established at-

Normal Atmospheric Air contains what percentage (%) Oxygen?

The LEL and UEL for Methane is as follows-

 Define Explosive limit-

Why do we test for hazardous atmospheres (Hint: There are more than one correct answers) –

Other that performing Gas testing , select the additional requirement(s) for performing Hot Work (Hint- there are 6 correct answers)

Select  which activities would require an Authorized Gas tester (AGT) to perform gas testing (Hint: there are more than one correct answers.)