This standard specifies terminology specifically provided for water quality characteristics. 2 Terminology This standard specifies terminology specifically provided for water quality characteristics. 2 Terminology This standard specifies terminology specifically provided for water quality characteristics. 2 Terminology This standard specifies terminology specifically provided for water quality characteristics. 2 Terminology This standard specifies terminology specifically provided for water quality characteristics. 2 Terminology This standard specifies terminology specifically provided for water quality characteristics. 2 Terminology This standard specifies terminology specifically provided for water quality characteristics. 2 terminology