This Spot Sample Witnessing Simulator provides the user (trainee) with the opportunity to use and demonstrate their understanding of the Purge, Fill and Empty Method for collecting gas pipeline samples.

## About This Game
This Spot Sample Witness Simulator provides users (trainees) with the
opportunity to use and demonstrate their understanding of the Purge, Fill and
Empty Method for collecting gas pipeline samples.

In the “Welcome Scene” you’ll learn all about the equipment used to collect an
adequate and reliable gas sample, including a double-valve cylinder and an
extension tube, often referred to as a “pigtail.” The written procedures on
the screen are provided as a guide for the user and walks them through each
step of the collection system setup, as well as the proper sequence for sample
collection.

Once practice is going smoothly, use the menu screen and select the “Next”
button to proceed. There you’ll find an amazing rural pipeline scene, where
the user can demonstrate an understanding of Spot Sample Witnessing – using
the Purge, Fill & Empty Method. But only after checking and verifying the
pipeline system pressure. Also, there’s a duplicate scene with a totally
different pipeline system pressure that will require a different number of
purges, for a proper sample collection.

Spot Sample Witness Simulator