Evan Walters
Recent Posts
How to demonstrate low background contamination for PFAS testing
February 23, 2023 at 2:00 PM / by Evan Walters
What are peak asymmetry requirements for PFAS using EPA Method 537.1?
February 9, 2023 at 3:00 PM / by Evan Walters
In the United States, the Environmental Protection Agency (EPA) establishes performance criteria in which laboratories must demonstrate their technical capability to produce results that are accurate and consistent with industry standards. In this blog, I will explain what peak asymmetry is and why laboratories utilize it for EPA method 537.1.
Toxic Pollutants Found in Wastewater & Drinking Water
October 13, 2022 at 3:00 PM / by Evan Walters
Every day, you are exposed to toxic pollutants at various levels and frequencies. There are thousands of different toxins that exist in the world, most of them being directly related to the activities of humans.
Have you ever heard about monitoring wastewater for Covid-19 outbreaks? If you haven’t, let me be the first to tell you that environmental chemists can monitor Coronavirus outbreaks on a routine basis. This procedure represents a scientific field referred to as Wastewater-Based Epidemiology.
How will the UCMR 5 Program Help Determine if Drinking Water is Safe?
March 3, 2022 at 2:45 PM / by Evan Walters