🧪 Martz 2/19/95 bar graph — negative ion LC-ES-MS/MS results (Plaintiffs' 561)
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Martz 2/19/95 bar graph — negative ion LC-ES-MS/MS results (Plaintiffs' 561)

Roger Martz's February 19, 1995 bar graph of negative-ion LC-ES-MS/MS results, showing large peaks for known samples and no EDTA detected in evidence samples. It was displayed during redirect to confront Dr. Rieders about test results he had forgotten.

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Plaintiffs' 561

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Civil trial (1)

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K67/K68 — EDTA-Preserved Reference Blood Controls
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Dr. Fredric Rieders' two-page report dated July 17, 1995, evaluating Agent Roger Martz's EDTA test results for the gate and sock stains. Introduced as People's 586, the report and its disclosure timing were disputed, and prosecutors used its documentation of…
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50 ppm EDTA standard chromatograms, February 22 — morning and afternoon runs (Defense 1262-A, 1262-B)
Chromatograms of a 50-parts-per-million EDTA standard run on February 22 at 9:32 AM (discovery page 4077; ion count 319,561; Defense 1262-A) and 1:48 PM (discovery page 4070; ion count 49,393; Defense 1262-B). They were compared during testimony to demonstra…
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🔬 Martz 2/19/95 bar graph — negative ion LC-ES-MS/MS results (Plaintiffs' 561)
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