Published: Jan 2010
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Petroleum laboratories, large and small, should have a quality assurance program that helps provide confidence to all interested parties that the analytical data it provides fall within the limits of precision and accuracy defined in the ASTM test methods used. These data are important in the following respects, and inaccurate data can have severe financial and operational consequences: • Conformity to what is expected, that is, “Is the crude oil I am receiving what I am expecting and what I am paying for?” • If I am a shipper, does the crude oil meet common stream pipeline specifications? If not, it may be necessary for me to batch my crude oil at additional cost. • Are the data I am providing accurate for payment of customs duty? • Are the concentrations of impurities and contaminants I have determined correct for planning refinery operations and making deductions from the cost of the crude oil? • Are my data accurate for regulatory and environmental, safety, and health reporting requirements?