QED'S RESPONSE TO COVID-19: We anticipate remaining open and continuing our manufacturing and supply operations during the COVID-19 response period. Because Graco Inc. and its affiliates (including Graco Minnesota Inc., Gema, High Pressure Equipment, White Knight, QED Environmental, Heateflex, Smith Manufacxturing, and others), supply the Critical Infrastructure Workforce recognized by the U.S. Department of Homeland Security per the following CISA guidance. Read more


How exactly does the Snap Sampler work?

How does the Snap Sampler compare to other sampling methods?

I've heard passive sampling is a big money saver, how much could I expect to save?

What about regulatory acceptance?

What about sample volumes?

Are there limitations of what analytes can be tested with Snap samples?

How many Snap Samplers do I need to collect a sample?

What's the advantage of no-pour groundwater sampling?

How hard is it to assemble the Snap Sampler?

What about decontamination?

How does the trigger line work? How does it attach at the well head?

What about deep sampling?

Once you retrieve the bottles, how do you prepare them for the lab?

How do you preserve the samples?

Do the laboratories need to do anything they're not used to?

What is the green spring inside the bottle?