Microbiological Services

Perritt Laboratories is an internationally accredited, cGMP, independent testing laboratory providing microbiological testing for the pharmaceutical, cosmetic and healthcare-related industries.

Testing is most often performed according to standard compendia such as USP, EP, or JP. However, customized testing is offered in order to meet individual customer requirements (We either transfer our customers in-house method, or we write a new protocol based on their specifications.). Our services include:

Product testing (raw materials and finished products)

• Antimicrobial (preservative) Effectiveness Test (AET)
  
• D-Value (Time-Kill)
  
• Endotoxin (LAL)
  
• Method Development & Method Transfer
  
• Minimum Inhibitory Conc. (MIC) / Minimum Bactericidal Conc. (MBC)
  
• Microbial Limit Tests (MLT) / Bioburden

Purified Water Systems

• Coliform Bacteria
  
• Conductivity
  
• Endotoxin
  
• Microbiological Analysis
  
• TOC

Facilities testing
Validation and monitoring of the environmental quality and/or the effectiveness of cleaning & sanitization within a production, or research facility. Testing is routinely performed on air and surface samples for:

• Total Aerobic Count
  
• Total Combined Yeast / Mold Count:

Method Development and Method Transfer
Customized work based on client requirements or specifications.