Once Samples have been drawn, they may be subject to one or more Laboratory Tests. A Laboratory Test is a collection of Laboratory Test Steps to determine a numerical value of one or more Asset Characteristics of a Sample. material.
Figure 17-2 shows that each Laboratory Test must be conducted on one and only one Sample. It must be conducted according to a pre-defined Test Method—which is, in turn, composed of a set of Test Method Steps. Each of the latter is itself an example of a Test Procedure Specification. That is, a Test Method Step is the fact that a particular Test Procedure Specification is part of a particular Test Method.
A Laboratory Test Step is the actual taking of a measurement describing the Sample ...