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Have you ever worked with new methods and said to yourself “yes I know what these internal standards and surrogates are measuring and when to add them to the samples”? Sounds familiar right? Well, I r...
Ever wonder if you need to perform quality control (QC) on solvents and solid phase extraction (SPE) consumables? Well, the answer is yes! You want to make sure that your disks and solvents are good t...
When working with regulated environmental methods have you ever asked yourself why are all these extracts concentrated down to one millilitre (mL) final volume? This is true for most soil and aqueous ...
When learning that you may be transitioning to a newer revision of an EPA method some thoughts may come to mind such as: it took so long to perfect this sample preparation method, or I hope they have ...
If you’ve been in the environmental arena as long as I have, seeing a “chemistry” term on the nightly news in conjunction with pollution is usually nothing to worry too much about. Sure, it’s an indic...
As the title indicates, this is Part 2 of an ongoing series where we discuss what’s going on with PFAS. For those of you who may not have read Part 1, you missed out on a summary of the controversy su...
As the seasons change, I’m reminded of a quote by Theodore Roosevelt and its significance to the air, land and water that sustain us.
Welcome to part 3 of our blog series “The Problem of PFAS”. If you are just tuning in, you might want to take a look at the previous blogs of this series as we provided background on the PFAS controve...
Have you ever opened a jar of olives and noticed the shimmering liquid floating on the surface? Believe it or not, that liquid is actually residual oil that is given off by the olives themselves.
Solid phase extraction is a powerful technique – it can be used to clean up the most challenging samples, and extract and preconcentrate hundreds of semi volatile organic compounds.