Blogs

Environmental monitoring quality control process showing chemical preparation, sampling media validation, assembly, and final QC inspection for air sampling devices

Sample Till You’re Sure: Why Quality Control Starts Long Before the Lab

When people think about environmental monitoring, they often focus on laboratory analysis and the final exposure data reported to customers. In reality, the reliability of that data depends on quality control measures that begin long before a sample is analyzed. At Assay Technology, quality control starts at the earliest stages of manufacturing and continues through Read More …


The Assay Technology 527 hydrogen peroxide monitor

Introducing Our New Hydrogen Peroxide Badge

We are very excited to announce our newest product, the 527 Hydrogen Peroxide badge! The 527 will be replacing our previous hydrogen peroxide badge, the 587. This badge collects hydrogen peroxide on a quartz fiber filter coated with titanium oxysulfate (TiOSO4) and is analyzed by UV-Vis Spectrophotometry via a modified OSHA Method 1019.  


We Are Moving!

After more than 25 years at its present location, Assay Technology’s industrial hygiene lab at 250 DeBartolo Place, Suite 2525, Boardman, OH 44512 will be moving to a new location in October 2025! The new address will be: Assay Technology 8540 Crossroads Dr Youngstown, OH 44514 This move is planned for the week of October Read More …


Are You Sampling Enough?

If you are responsible for health & safety of people who work with chemicals, you  may be thinking about how to determine how many samples to collect, or if you really need to monitor.  Dr Manning offers guidance on evaluating Safety Data Sheets and how to address workplace exposure variation. Learn more by reading our Read More …




How Many Samples to Collect? Sample Till You’re Sure.

Welcome to our in-depth blog series: How Many Samples to Collect? Sample Till You’re Sure. Gus Manning, Chief Technical Officer & company founder, has made it his life’s work to bring accurate, cost-effective, and easy-to-use samplers to the workplace and make work environments safer for workers. The OSHA enforcement strategy – assuming workplace exposures could Read More …


Gus and Maria walking

Technical Presentations from AIHA Connect 2025

Every year, Assay Technology makes technical presentations at the industry conference for the American Industrial Hygiene Association, AIHA Connect.  This year, our Chief Technical Officer, Gus Manning, provided two discussions that will propel personal monitoring for chemical exposures in the workplace into the next phase.