flow proportional composite sampling definition
flow proportional composite sampling means sampling with a piece of equipment that is capable of operating continuously and automatically adjusting, at time intervals not exceeding thirty minutes, either the volume of effluent sub-samples or the time interval between the collection of sub-samples, to the rate of flow in effluent stream;
flow proportional composite sampling means a sample collection method in which sample aliquots are collected at a frequency that is proportional to the flow volume during the compositing period.