10 December 2026 | 10:00EST | 15:00 GMT | 20:30 IST

Expert Speaker: Louis Fleck, Laboratory Manager, Trace Organic Analysis Group
USP <1663> provides detailed definitions for identification categories, including tentative, confident and confirmed.  Each level of identification requires a particular set of supporting evidence and consequently a particular level of effort.  This presentation will review the identification categories, provide context where tentative identification can be acceptable and discuss risks of incorrect or incomplete (tentative) identification. 

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Louis Fleck  - Laboratory Manager Trace Organic Analysis Group
Louis Fleck

Laboratory Manager, Trace Organic Analysis Group, Intertek Pharmaceutical Services

Louis Fleck is the Trace Organic Analysis Manager at Intertek Pharmaceutical Services in Whitehouse, NJ. He has 20+ years of experience performing and managing activities that directly support the pharmaceutical industry, including chromatographic method development and validation, and extractable and leachable testing.