In order to get the most accurate results, samples need to be collected correctly. While each lab's sampling standard operating procedures (SOP) may differ, there are some general best practices for collecting samples. Before getting into sample collection and field practices, determine if samples need to meet regulatory requirements. If the samples are to meet regulatory requirements, the procedure may be dictated by the regulation. Let's discuss some basics when collecting samples. Sample collection bottles, materials, and Water Sampling Equipment . In the equipment list commonly used devices include electric submersible pumps, bailers, suction-lift pumps, positive displacement bladder pumps, and Groundwater Sampling Pump . Sample collection bottles and materials Because certain bottle sizes and preservatives used vary slightly, it's better to have sampling bottles from the lab performing the examination. Nothing is more annoying than being caught off guard in the field, ...