John Ryan, P.G. of AllenES provided an Introduction to Groundwater Sampling lunch-n-learn presentation on October 3, 2022.  The presentation included an overview of the following: groundwater standards, lithology, sources,  well construction, water level gauging, sampling options, the importance of collecting representative samples, chain of custody, packaging and cooling, field documentation, and proper reporting.  It was an informative presentation – thank you, John!