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.

• Laboratory explanation of PAH detection limit revision, March 2003 · Box DEP Box 43

  NYC-WTC_000163085

  · similarity 0.977 (not a probability)machine-extracted · confidence unavailable · Check page ↗

Selected filing

PAH sample analysis review, 114 Liberty, March 2003

NYC-WTC_000163082

DEP review of revised PAH laboratory results for 114 Liberty identifying concerns about detection limit consistency between original and revised analytical sheets.

Environmental Protection, Dept. of · Volume NYC-WTC0006 · Box DEP Box 43

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Comparison filing

Laboratory explanation of PAH detection limit revision, March 2003

NYC-WTC_000163085

Laboratory response explaining method detection limit versus practical quantitation limit for PAH analysis and confirmation that samples did not require reanalysis.

Environmental Protection, Dept. of · Volume NYC-WTC0006 · Box DEP Box 43

Open the record for the City’s folder metadata.