sanitationetc. Usingbasic designelementsonly, including predefined
regularmaintenance,a processwill run, but it is not equippedto noticeor
respond to out-of-specificationsituations of any kind.
- Control. This includes all physical/chemical measurements, including
temperature, pH andmicrobiological swabs of environment/equipment,
etc. thatare being taken,withresults beingcompared withpredefined
specificationsand correctiveactionbeing taken to bringthe processback
into specification whenappropriate.
Fig. 40.2 Uncontrolledprocess.
Fig. 40.3 Primaryprocessand first controlloop.
Fig. 40.4 A controlledprocess(twoloops).
Improvinghygieneauditing 687
