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 analysis log entry, May 2002 · Box DEP Box 18

  NYC-WTC_000024424

  · similarity 0.972 (not a probability)machine-extracted · confidence unavailable · Check page ↗
• GCMS sample preparation worksheet, May-June 2002 · Box DEP Box 15

  NYC-WTC_000012504

  · similarity 0.971 (not a probability)machine-extracted · confidence unavailable · Check page ↗
• GCMS chromatogram for DFTPP standard, April 2002 · Box DEP Box 23

  NYC-WTC_000039713

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

Selected filing

PCB analysis file index, Nov-Dec 2001

NYC-WTC_000057145

Index or cover sheet for PCB analysis files covering the period from November 15 to December 13, 2001.

Environmental Protection, Dept. of · Volume NYC-WTC0002 · Box DEP Box 30

Open the record for the City’s folder metadata.

Comparison filing

GCMS sample preparation worksheet, May-June 2002

NYC-WTC_000012504

Laboratory worksheet recording extraction parameters and analytical conditions for GCMS sample processing.

Environmental Protection, Dept. of · Volume NYC-WTC0002 · Box DEP Box 15

Open the record for the City’s folder metadata.