sampling plans that emphasize LTPD protection,such as the Dodge-Rer Romig plans, are often preferred to AQL-oriented sampling plans,such as those in MIL STD 105E, particularly for critical components and parts. Many manufacturers believe that they have relied too much on AQLs in the past,and they are now emphasizing other measures of performance,such as defective parts per million (ppm).Consider the Following: Defective Parts per Million