Guidelines for Groundwater and Surface Water Sampling for Cations, Anions, Stable Isotopes, and Nutrients (N and P).
Introduction 1.1 Purpose and Scope To provide standardized methods for collecting, preserving, and transporting groundwater and surface water samples for the analysis of cations, anions, stable isotopes, and nutrients (N and P). Designed for use by policymakers, regulatory bodies, environmental managers, and field technicians. 1.2 Importance of