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 Method 525.2 analysis results, Jan 2002 · Box DEP Box 30

  NYC-WTC_000058153

  · similarity 0.982 (not a probability)machine-extracted · confidence unavailable · Check page ↗
• GCMS Method 525.2 reference standard results, Jan 2002 · Box DEP Box 30

  NYC-WTC_000058155

  · similarity 0.971 (not a probability)machine-extracted · confidence unavailable · Check page ↗
• Calibration standard analysis results, sample C5, May 2002 · Box DEP Box 65

  NYC-WTC_000082506

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

Selected filing

GCMS Method 525.2 CCV results, Jan 2002

NYC-WTC_000058157

Quality control data for a calibration verification sample analysis of PAHs with recovery rates between 103 and 110 percent.

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

Open the record for the City’s folder metadata.

Comparison filing

GCMS Method 525.2 analysis results, Jan 2002

NYC-WTC_000058153

Laboratory report listing analytical results for PAHs and surrogates with recovery rates on January 28, 2002.

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

Open the record for the City’s folder metadata.