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.

• Extraction log sheet, September 2001 · Box DEP Box 64

  NYC-WTC_000079092

  · similarity 0.976 (not a probability)machine-extracted · confidence unavailable · Check page ↗
• GCMS data file header, Dec 7 2001 · Box DEP Box 21

  NYC-WTC_000032267

  · similarity 0.974 (not a probability)machine-extracted · confidence unavailable · Check page ↗
• Environmental analysis data sheet, Nov-Dec 2001 · Box DEP Box 68

  NYC-WTC_000091995

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

Selected filing

Laboratory extraction log sheet, Nov-Dec 2001

NYC-WTC_000057658

Log sheet recording laboratory extraction parameters including drip rates and pH values for samples processed in late 2001.

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

Open the record for the City’s folder metadata.

Comparison filing

Extraction log sheet, September 2001

NYC-WTC_000079092

Document containing extraction parameters and analytical notes for NYC 9/11 samples processed between September 18 and September 24, 2001.

Environmental Protection, Dept. of · Volume NYC-WTC0003 · Box DEP Box 64

Open the record for the City’s folder metadata.