Teaching Resources A variety of useful teaching/learning resources for our volunteers to use. Study Design and QAQC Monitoring and Study DesignStudy Design PowerPointQAQC PowerPointQAQC Subset Sample Prep, Sample Collection, Metals, and Nutrients Sample Prep PowerPointSample Collection PowerPointMetals PowerPoint pH, Temperature and Dissolved Oxygen pH PowerPointpH SubsetTemperature PowerPointDissolved Oxygen PowerPointDissolved Oxygen Subset Alkalinity and Hardness Alkalinity PowerPointAlkalinity SubsetHardness PowerPointHardness Subset Macroinvertebrate and Physical Habitat Physical Habitat PowerPoint River Continuum Concept and Fish River Continuum Concept PowerPointFish PowerPoint