It's important to inspect product quality, but if the inspections you get done aren't optimized you could end up spending too much on high product inspection costs which is a problem when that money could be used for other activities. … [Read more...]
The Special Inspection Levels in the AQL Tables
A few years ago I wrote about the inspection levels, but I regularly notice that some people are confused about the "special" levels (S1, S2, S3, and S4). Here is what the ISO 2859-1 standard says (emphasis is mine): The inspection … [Read more...]