With some types of fuel oils such as residual fuel oils or
distillate fuel oils containing residual components, it is difficult to obtain
water or sediment contents with this test method. When this situation is
encountered, Test Method D 95 (API MPMS Chapter 10.5) or Test Method
D 473 (API MPMS Chapter 10.1) may be used.
NOTE 2—API MPMS Chapter 10.6 (Test Method D 1796) along with
API MPMS Chapter 10.3 (Test Method D 4007) formerly superseded AP