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Documents & Records
Exhibit 441
LeBeau identified Exhibit 441 as guidelines followed by the FBI Laboratory Chemistry Unit's toxicology sub-unit. He agreed that a mass-spectrum match or mismatch alone generally could not establish a compound's presence or absence and that the conclusion required consideration of all generated data.
Also known as (2)
- FBI guidelines for comparison of mass spectra
- Guidelines for Comparison of Mass Spectra followed by the FBI Laboratory Chemistry Unit's toxicology sub-unit