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Near-duplicate records

Copies and versions

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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

Laboratory analysis results for duplicate spike sample AD26472, Nov-Dec 2001

NYC-WTC_000057637

Chemical analysis report for a duplicate spiked quality control sample AD26472 to verify precision during testing in November 2001.

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

Open the record for the City’s folder metadata.

Selected filing: NYC-WTC_000057637, page 1

Comparison filing

Duplicate spike analysis results, 525 X, Nov-Dec 2001

NYC-WTC_000055681

Laboratory report showing recovery data for a duplicate spiked water sample AD27769 collected at site 525 X.

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

Open the record for the City’s folder metadata.

Comparison filing: NYC-WTC_000055681, page 1