1.1 This test method covers the atmospheric distillation of petroleum products using a laboratory batch distillation unit to determine quantitatively the boiling range characteristics of such products as light and middle distillates, automotive spark-ignition engine fuels with or without oxygenates, aviation gasolines, aviation turbine fuels. diesel fuels, biodiesel blends up to 20%, marine fuels, special petroleum spirits, naphthas, white spirits, kerosines, and Gradees 1 and 2 burner fuels.