Copies and versions

Copies are not independent tests. A high similarity score can also match a reused form; it does not establish which copy came first or whether their findings agree.

• GCMS DFTPP mass spectral verification, Feb 22 2002 · Box DEP Box 28

  NYC-WTC_000052355

  · similarity 0.987 (not a probability)machine-extracted · confidence unavailable · Check page ↗
• GCMS total ion chromatogram for DFTPP standard, Mar 2002 · Box DEP Box 23

  NYC-WTC_000037499

  · similarity 0.985 (not a probability)machine-extracted · confidence unavailable · Check page ↗
• GCMS analysis results for sample AE03454, Mar 13 2002 · Box DEP Box 23

  NYC-WTC_000038377

  · similarity 0.983 (not a probability)machine-extracted · confidence unavailable · Check page ↗
• GCMS reference standard results, sample AE03017, March 2002 · Box DEP Box 12

  NYC-WTC_000005891

  · similarity 0.983 (not a probability)machine-extracted · confidence unavailable · Check page ↗
• GCMS DFTPP tuning report, Feb 27 2002 · Box DEP Box 14

  NYC-WTC_000010768

  · similarity 0.983 (not a probability)machine-extracted · confidence unavailable · Check page ↗
• GCMS document header fragment, May 2002 · Box DEP Box 25

  NYC-WTC_000043864

  · similarity 0.971 (not a probability)machine-extracted · confidence unavailable · Check page ↗
• Calibration verification report, Method 525.2, Dec 2001 · Box DEP Box 30

  NYC-WTC_000058015

  · similarity 0.970 (not a probability)machine-extracted · confidence unavailable · Check page ↗

Selected filing

DFTPP instrument qualification results, April 30 2002

NYC-WTC_000044447

Instrument qualification report for DFTPP showing pass/fail status for mass spectral limits on April 30, 2002.

Environmental Protection, Dept. of · Volume NYC-WTC0002 · Box DEP Box 25

Open the record for the City’s folder metadata.

Comparison filing

GCMS DFTPP mass spectral verification, Feb 22 2002

NYC-WTC_000052355

Quality control report verifying GCMS performance using DFTPP standards with pass/fail status for specific mass fragments.

Environmental Protection, Dept. of · Volume NYC-WTC0002 · Box DEP Box 28

Open the record for the City’s folder metadata.