Analyte Groups are groupings of analytes that the primacy agency uses to maintain sample schedules and violations. They expedite data entry, retrieval, and the determination of compliance with federal drinking water rules. Examples of typical analyte groups are Volatile Organic Chemicals, Inorganic Chemicals, and Regulated Organic Chemicals. This page shows you the Analyte Code and Analyte Name for the list of analytes in the Analyte Group referenced by the Sample Schedule or Violation.