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      Everything You Wanted to Know About EPA Method 8270 But Were Afraid to Ask

      December 16, 2020 at 2:17 PM / by Deanna Bissonnette posted in SPE solid phase extraction, EPA Method 8270, application

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      On the surface, EPA Method 8270 seems pretty straightforward.  The first version of this method was published over a decade ago and many environmental labs are processing samples according to the guidelines in this method.

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      Does it matter whether your dilution solvent is water-miscible?

      December 14, 2020 at 3:04 PM / by Deanna Bissonnette posted in SPE solid phase extraction, Drinking water, LLE liquid-liquid extraction, water miscible solvents, CLLE continuous liquid liquid extraction, EPA Method 8270, EPA Method 3500

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      For anyone who processes samples in an EPA-regulated laboratory, you know that these methods can be very specific in some spots, and incredibly vague in others. 

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      6 Changes to EPA Method 8270 That You May Not Be Aware Of

      December 10, 2020 at 2:40 PM / by Deanna Bissonnette posted in SPE solid phase extraction, EPA Method 8270, application

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      The U.S. EPA monitors a variety of compounds that pose public health risks when they are present in our air, soil or water and they have spent decades publishing methods to help us extract and quantify those compounds. The 8000 Series EPA Methods describe the extraction and analysis of contaminants in groundwater and Method 8270 specifically covers semi-volatile compounds.

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      Why are Phenols so Challenging to Extract from Water?

      December 10, 2020 at 2:36 PM / by Andrew Taylor posted in SPE solid phase extraction, EPA Method 8270, application, EPA method 625.1, phenols

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      Phenolic compounds can be some of the most challenging compounds to extract from the compound lists in EPA Method 8270 and EPA Method 625.1. The recovery of these compounds suffer tremendously compared to some of the other target analytes on the list. So what exactly are phenols and why are they challenging to extract and quantitate?

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      Question and Answer Time with EPA Method 8270

      December 7, 2020 at 1:53 PM / by Stephen Panos posted in EPA Method 8270, application, atlantic one pass disk

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      EPA Method 8270 is one of the 8000 series methods that outlines the preparation of wastewater samples. It is one of dozens of methods for processing wastewaters for semivolatile organic compounds (SVOCs), all of which fall under Method SW-846. Expand the graphic below to see the breadth of the method.

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      What you need to know before adding 1,4 Dioxane to your lab services

      December 2, 2020 at 5:09 PM / by Andrew Taylor posted in SPE solid phase extraction, Drinking water, EPA Method 8270, epa method 522, 1,4 dioxin, UCMR

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      In a never-ending list of chemical pollutants, a compound that is gaining a lot of attention is 1,4-dioxane. In fact, New Jersey just became the first state to set regulations on the quantity of 1,4-dioxane that can be present in drinking water.

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      Extraction of Polyphenols in Tea with Lemon

      November 30, 2020 at 2:31 PM / by Andrew Taylor posted in EPA Method 8270, catechins, polyphenols

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      For thousands of years, tea has been one of the most popular drinks around the world. Not only is tea delicious, but it is also full of health benefits. Tea is an abundant source of antioxidants called polyphenols. One of these polyphenolic compounds, catechins, is found mostly in green tea.

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