We are excited to congratulate our outstanding clients for being recognized among the Top 200 Environmental Firms of 2025, as ranked by Engineering News-Record (ENR). This well-earned recognition reflects your dedication to innovation, quality, and excellence across the environmental industry.
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
The Department of Energy (DOE) will be hosting the 2022 Analytical Services Program (ASP) Annual Training Workshop in Las Vegas, Nevada. The ASP Workshop will be held from December 6th through December 8th at the Renaissance Las Vegas Hotel. Merit Laboratories will be participating in the workshop, which focuses on providing DOE stakeholders with annual training related to key topics in laboratory testing.
The U.S. EPA officially approved Merit Laboratories to perform analytical laboratory testing for PFAS compounds as part of the fifth Unregulated Contaminant Monitoring Rule (UMCR5). As part of UCMR5, Merit Laboratories is approved for analytical methods EPA 533 and EPA 537.1. UCMR 5 includes all 29 PFAS compounds that are within the scope of EPA Methods 533 and 537.1.
The United States Department of Defense (DoD) continues to track PFAS contamination progress at over 700 military installations throughout the country. In the DoD’s latest update, the list of sites includes bases and facilities in all 50 states and several U.S. territories, including Puerto Rico, Guam, and the U.S. Virgin Islands.
The Wisconsin PFAS Action Council published its 2022 PFAS Action Plan Progress Report in August. The progress report presented progress in the eight themes that are covered in the states PFAS Action Plan to address statewide PFAS contamination. A few of the highlights presented as accomplishments in the report include the implementation of new surface water and drinking water standards for PFOA and PFOS
Merit Laboratories plays an active role in advancing the development of analytical methods for the scientific testing industry. As testament to this active role, Michael Goergen of Merit Laboratories is the chair of ASTM D19.02, a subcommittee of ASTM D19 on Water that addresses Quality Systems, Specifications, and Statistics.
The U.S. EPA (EPA) has released the highly anticipated 2nd Draft of EPA Method 1633, an LC/MS/MS method to analyze PFAS. This second draft, released by the EPA in June, is a follow-up to the original draft released in Fall 2021. One of the most concerning aspects of the first draft was it being based on a single laboratory validation study
