The data collected must be Representative (2).Reproducible.The data must be reproducible by others following the same sampling and analytical protocols (3).Defensible. The data must have a known degree of accuracy and precision (4). Useful. The data can be used to meet the objectives of the monitoring planThe data collected must be: (1). Representative. (2).Reproducible.The data must be reproducible by others following the same sampling and analytical protocols. (3). Defensible. The data must have a known degree of accuracy and precision. (4). Useful. The data can be used to meet the objectives of the monitoring plan