ITRC DocumentOverview of Passive Sampler Technologiesconcludes HydraSleeve is an inexpensive, simple tool to collect groundwater samples without purging. View the PDF Passive Sampler Tech Matrix
McClellan Air Force Base Final Reportrates HydraSleeve highest among no-purge groundwater sampling devices tested at the former McClellan AFB, California. View the Report Passive Samplers Comparison