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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

Spiked sample results, Method 525, Dec 2001

NYC-WTC_000055264

Spiked sample analysis for EPA Method 525.2 quality assurance showing measured recoveries for 20 compounds in sample AD27874.

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

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Selected filing: NYC-WTC_000055264, page 1

Comparison filing

Duplicate spike analysis AD27009, Nov-Dec 2001

NYC-WTC_000030562

DEP laboratory duplicate spike analysis (SD525) for sample AD27009 conducted between November 13 and November 30, 2001.

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

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Comparison filing: NYC-WTC_000030562, page 1