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Mercury analysis records, WTC site, Nov 2001

Machine-extracted title · confidence 90%

Records of mercury testing and analysis conducted at the World Trade Center site during November 2001.

NYC-WTC_000065800–000065819

Folder label: “Hg 11/7/01 11/9/01 11/14/01 11/16/01 11/20/01

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NYC 9/11 Public Portal Document

Westchester county labs Folder: RUNSl Page 114 Protocol: hg-cv ***POST-RUN REPORT*** Line Cone. Units SD/RSD 1 2 3 4 5

*** Sample ID: 27639 Seq: 757 15:58:40 14 Nov 01 HG

Hg .048 PPb .000 .048 ★ 1 Check Standard: 2 Ck21.0 qc Seq: 758 16:00:39 14 Nov 01 HG Line Flag Found True Units SD/RSD Hg .885 1.00 PPb .000

*** Sample ID: 27678 Seq: 759 16:02:41 14 Nov 01 HG

Hg .092 PPb .000 .092

*** Sample ID: 27679 Seq: 760 16:04:20 14 Nov 01 HG

Hg .064 PPb .000 .064 *** I Check Standard: 2 Ck21.0 qc Seq: 769 16:20:15 14 Nov 01 HG Line Flag z%^c^ / Found True Units SD/RSD Hg (92.y {/ .928 1.00 PPb .000

NYC-WTC_000065810

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NYC-WTC_000065810Source: NYC Law Department, mirrored locally

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Hg sampling logs, Nov 2001 · Box DEP Box 59

NYC-WTC_000065799

Index or log entries for Mercury (Hg) sampling activities conducted at the World Trade Center site during multiple dates in November 2001.

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