1. APHA, AWWA, and WEF. Standard Methods for the Examination of Waterand Wastewater, 17th ed. APHA, AWWA, and WEF: Washington, DC, 1989; pp 2−74.
2. APHA, AWWA, and WEF.Standard Methods for the Examination of Waterand Wastewater, 20th ed.; APHA, AWWA, and WEF: Washington, DC, 1998; pp 5−20 (high-temperature combustion method).
3. Solid-phase extraction followed by high-performance liquid chromatographic analysis for monitoring herbicides in drinking water