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Near-duplicate records

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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.

Selected filing

Water duplicate spike analysis, 525 X, Oct-Nov 2001

NYC-WTC_000029219

Laboratory report for a duplicate spiked sample (sample AD25041) used to verify precision at the DEP laboratory.

Environmental Protection, Dept. of · Volume NYC-WTC0002 · Box DEP Box 20

Open the record for the City’s folder metadata.

Selected filing: NYC-WTC_000029219, page 1

Comparison filing

Duplicate spike results, Method 525, Dec 2001

NYC-WTC_000055269

Laboratory report of duplicate spike analysis for pesticides and related compounds in sample AD27874 on December 6, 2001.

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

Open the record for the City’s folder metadata.

Comparison filing: NYC-WTC_000055269, page 1