An incoming inspector has 20 minutes per truck and a Certificate of Analysis that says 310 g/g. She also has a 250 ml measuring cylinder, a stopwatch and a marker pen. What she can find out in half an hour is whether that bag will behave like the last one: how fast the water front climbs, where it s…
A pack maker in Vietnam changed SAP suppliers to save 180 dollars a tonne and discovered the problem on day nine of a production run: 60,000 packs filled, sealed and frozen, and the gel in every one short-bodied and slightly cloudy. The new lot hydrated to 340 g/g instead of 390, inside the supplier…
The auditor’s question was simple: how do you know the 18 tonnes in the silo are the same material the certificate of analysis describes? The answer on file was a single 200 g sample taken from the top of one bag on the first day of delivery. That answer cost the plant a major non-conformance,…
