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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.