Week 5 -Sampling
Specifications necessary for packaging materials as well as ingredient/ products
Where to sample?
-consumer complaints, retail, manufacturing, anywhere you want to....
-systematize the assessment of microbiological quality
-100% sampling unrealistic, gather only as much as possible
Lot- up to manufacturer, may be a day's production
Designing a Sampling Plan
Attributes Sampling Plan
N= lot/ population size
c= acceptance number; maximum allowable number of units
3 class sampling plan has marginally acceptable limit, 2 class is either accepted or rejected.
2 class is for serious hazards: < or = m; > m (a