Measurements for Certification of Reference Materials and for Materials to be Used in Interlaboratory Evaluation Programs

Programs designed to evaluate the accuracy of interlaboratory measurements as performed on selected materials require that values be assigned to the materials which are compatible with an accepted reference base. The experimental design of a material characterization program or of a material certification program must consider the measurement process. Examples will be given which are taken from the SALE and/or GAE Programs at the New Brunswick Laboratory.