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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 99 Protocol: hg-cv ***POST-RUN REPORT*** Line Cone. Units SD/RSD 1 2 3 4 5

*** Sample ID: 27392 Seq: 679 15:14:17 09 Nov 01 HG

Hg .022 PPb .000 .022

*** Sample ID: 27393 Seq: 680 15:16:18 09 Nov 01 HG

Hg .061 PPb .000 .061

*** Sample ID: 27394 Seq: 681 15:18:15 09 Nov 01 HG

Hg .023 PPb .000 .023 *** ICheck Standard: 2 Ck21.0 qc Seq: 682 15:21:03 09 Nov 01 HG Line Flag >^-%Rcv Found True Units SD/RSD Hg <96.9 .969 1.00 PPb .000

*** Sample ID: 27395 Seq: 683 15:22:50 09 Nov 01 HG

Hg .030 PPb .000 .030 *** ICheck Standard: 2 Ck21.0 qc Seq: 693 15:43:06 09 Nov 01 HG Line Flag Found True Units SD/RSD Hg 97.0 .970 1.00 PPb .000

NYC-WTC_000065806

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NYC-WTC_000065806Source: 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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