Published: Jan 1956
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Representative samples are prerequisites for the laboratory evaluation of any type of product. Many precautions are required in obtaining and handling representative samples of petroleum and petroleum products. They depend on the sampling procedure, the kind of product being sampled, and the storage tank, container or the tank carrier from which the sample is being obtained. The sample container must be clean, and the type to be used depends not only on the product but also on the laboratory data desired.