Collecting high-quality soil gas samples in the field for TO-15 analysis is essential for generating reliable data. Yet in the field, the process can be time-consuming and prone to error. With our clients’ sampling challenges in mind, Merit Laboratories designed a helium shroud that makes soil gas sampling more efficient, accurate, and reproducible — without the need for tools or field calibration.
We’re excited to announce that Merit Laboratories will be participating in the conference, taking place August 4th - 7th, 2025, in St. Louis, Missouri. This year’s conference theme, “Building a Quality Culture as the Foundation for Reliable Data,” underscores the importance of quality assurance and continuous improvement in environmental monitoring and measurement.
Have you ever reviewed a laboratory report and felt overwhelmed by acronyms like MDL, RL, LOQ, or IDL? You’re not alone. These terms are critical to understanding the sensitivity, precision, and reliability of laboratory results in environmental testing—but they can also be confusing, especially when used interchangeably or inconsistently across different labs or agencies.
The U.S. EPA released a Draft Sewage Sludge Risk Assessment for PFOA and PFOS, open for public comment. The public comment for the draft, released in January 2025, has been extended until August 14, 2025. This draft risk assessment reflects the EPA's latest scientific understanding of the potential risks to human health
To all of our friends and partners in California impacted by the devastating wildfires, Merit Laboratories is here to support you. When wildfires ravage communities, natural landscape, and places we call home, the impact is major. Lives are interrupted while homes, schools, and businesses are destroyed. Another significant impact of wildfires is environmental contamination.
We are excited to share more inspiring stories in our second season of sh(e)=mc2. We’ve been back in the studio recording our conversations with some amazing, talented and inspirational women leaders. You’ll be excited to hear their stories about how they’ve achieved so much in their careers. We are connecting with women rising to the tops of their fields and profession.
The American Institute of Professional Geologists (AIPG) Michigan Section is hosting it annual workshop on June 13-14, 2023 in Roscommon, Michigan. The 12th Annual AIPG Michigan Section Workshop, held at the McMullen Conference Center, is an annual training event focused on providing quality technical information and case studies. The topic for this year’s workshop is The Basics to the Latest in Contaminant Fate & Transport.
Chemours Company is the recipient of the U.S. EPA’s first-ever enforcement action for PFAS discharges with the Clean Water Act (CWA). The EPA is ordering Chemours Company to take corrective measures to address pollution from PFAS in stormwater and effluent discharges for a facility near Parkersburg, West Virginia. The EPA stated that discharge levels of PFAS exceed the levels established in the facility’s CWA permit. In an administrative compliance order on consent (AOC) issued by the agency…
Since its initial publication in 2020, EPA Method 533 has become a leading approved analytical test method for the analysis of PFAS in drinking water. During this time, Merit Laboratories has analyzed thousands of samples utilizing EPA Method 533 for drinking water. In the publication of EPA Method 533 in 2020, Merit Laboratories was just a few national laboratories acknowledged in the approved method for PFAS testing in drinking water released by the U.S. EPA.
In this episode we meet Jill Tietjen. Jill shares her insight and experience with overcoming obstacles. “What do you do when there’s an obstacle in your way?” Author, international speaker, and electrical engineer, Jill Tietjen has spent more than 45 years in the electric utility business as a consultant and expert witness and is an advocate for women worldwide.
The Department of Defense (DoD) conducts sampling of drinking water off-base to ensure it identifies potential impacts of PFAS resulting from DoD activities. Off-base drinking water includes non-DoD drinking water systems and private wells located outside the installation boundary. The DoD provides final test results of off-base drinking water in accordance with Section 345 of the National Defense Authorization Act for Fiscal Year 2022.
