Sterilization of Sterile Zone (cont'd)

• "disks" placed throughout system

  • next to large metal fixtures
  • look for heat sinks
  • shielded areas from vapor/spray
    
    

• Multiple levels of test organism concentration (i.e., 104, 105, 106)

• Need to find lower bound of LCR (i.e., clean interval)

• Sufficient test repetition to understand system