CC-24-006: EPA Method 1633 Sampling, Sample Handling, and Analysis Guide for Pulp and Paper Mill Aqueous Matrices

National Council for Air and Stream Improvement, Inc. (NCASI) has conducted a multi-laboratory study to evaluate how accredited analytical labs apply EPA Method 1633 for the analyses of pulp and paper mill wastewaters for 40 PFAS substances. Presented herein are key guidelines for sampling, sample handling, and analysis that are…