The new Mistral QC machine is designed to analyse your stream to give you better control of what comes into your waste or recycling center, how well your equipment is performing on site, and how pure the final product is leaving your center.QC The Mistral QC machine gives you all the functions of Stat Pack built directly into a Pellenc ST Mistral machine. The information available from the QC machine is directly accessible by MODBUS TCP/IP and a multiscreen graphical tool called Stat Pack viewer.