The Problem of PFAS: Part 4 - Tracking Contamination
February 3, 2022 at 4:00 PM / by Matt Harden posted in EPA Method 537.1, EPA Method 533, PFOS, EPA, PFOA, ISO 16175
How to Reduce Sample Volumes without Sacrificing Analytical Detection Limits
October 21, 2021 at 2:00 PM / by Deanna Bissonnette posted in biotage horizon 5000, oil and grease, wastewater, epa method 1664b, Biotage Horizon 3100, hexane extractable materials, EPA, reduced volume
In the world of environmental testing, many labs encounter extremely dirty samples. For example, EPA Method 1664B is the protocol for extracting oil and grease from wastewater samples. More often than not, these types of samples are really dirty, requiring loads of pre-filters, glass wool, and filter aid in order to get the entire liter of water through the disk. Well, there is!
Performance vs. Prescriptive Based EPA Methodology
June 17, 2021 at 2:00 PM / by Deanna Bissonnette posted in SPE solid phase extraction, perscriptive, performance, EPA