Samples that are prepared by spiking a known concentration of chemicals into a contaminant-free media, such as water or soil. It is submitted as part of a field sample shipment, so that the laboratory is not aware of the concentration levels or that the sample is a performance evaluation.
DOUBLE-BLIND PERFORMANCE EVALUATION SAMPLES
Meaning of DOUBLE-BLIND PERFORMANCE EVALUATION SAMPLES in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012