BOHS 2019 Competition

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* 1. Please provide us with your contact information so that we can inform you if you have won!

Name *

Company *

Email Address *

Phone Number

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* 2. Which of the following filter types is not recommended for dust measurements (due to a tendency to hold a static charge which causes unstable balance readouts)?

Glass Fibre (GFA)

Quartz Fiber (QMA)

Mixed cellulose Ester (MCE)

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* 3. When applying Swagelok caps to Thermal Desorption tubes - what is the recommended level of tightness?

As tight as is possible

finger tight and a quarter turn

finger tight

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* 4. When sampling organic vapours e.g. acetone, which of the following media types allow for the lowest possible detection limits (assuming an equal air volume sampled)?

Charcoal Tube

3M 3500 diffusive badge

Thermal Desorption Tube

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* 5. Which of the following filter types is not recommended for dust metals sampling (due to high levels of inherent metal content)?

Glass Fiber (GFA)

Quartz Fiber (QMA)

Mixed Cellulose Ester (MCE)