Quality Control Analysis on 2008 Chinese Milk Crisiskuczek/stat513/Stat513_Milk Scandal.pdfQuality...
Transcript of Quality Control Analysis on 2008 Chinese Milk Crisiskuczek/stat513/Stat513_Milk Scandal.pdfQuality...
Quality Control Analysis on
2008 Chinese Milk Crisis
Kan Yao, Ning Liu, Mengjun Liao , Wei Dai
11/02/2010
Outline
� Background� Timeline
� What is Melamine?
� Why add Melamine?
� Quality control analysis� Baby Formula Milk Production Process
� Cause & Effect Diagram
� FMEA
� Further Impact
Why add Melamine?
� Melamine: rich in Nitrogen
� Standard Protein Test Method
� Kjeldahl Method
� Test Nitrogen content instead of direct
protein level
� Add water and Melamine for profits
Baby Formula Milk Production Process
Raw Milk
Inspection on
Raw milk
Pre-heating and
Homogenization
Flowchart
Management
� Sanlu Inc. do not take complaints
seriously
� Management responsible for poor raw
milk inspector
� Do not set a safety standard
Man
� Raw milk inspectors
� Disciplines issues : bribery
� Inspectors
� Lack enough training
� Sanlu Inc. itself may add Melamine
Method
� The nature defects of Kjeldahl Method
� Inductive method
� Inspection of Sanlu Inc. itself
� Sampling instead of fraction conforming
� Necessary heating process
� Dairy farmers or collectors add urea
� Urea is rich in nitrogen
Environment
� Sanlu. Inc was “Inspection-free”
company in China
� Destructive competition on baby
formula market in China
� Compared with imported brand
� Melamine problem
� not only Sanlu Inc. single case
Material
� Dairy farmers
� add Melamine to raw milk
� Milk collectors
� add Melamine to raw milk
� Transportation or Storage process
� polluting raw milk
Further Impact
� Industry� Sanlu Inc. bankrupted
� New food safety law
� Other dairy products companies
� Economy� Exports decreased
� Society� Consumer confidence dropped
� Concerns on food safety increased