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

*** Sample ID: 27192 Seq: 639 15:42:49 07 Nov 01 HG Hg -.005 PPb .000 -.005 *** Check Standard: 2 Ck21.0 qc Seq: 640 15:44:35 07 Nov 01 HG Line Flag %Rcv. Found True Units SD/RSD Hg 104. Jr/M) 1.00 PPb .000 *** Sample ID: 27193 Seq: 641 15:46:43 07 Nov 01 HG

Hg .056 PPb .000 .056

*** Sample ID: 27194 Seq: 642 15:48:56 07 Nov 01 HG

Hg .070 PPb .000 .070 *** Check Standard: 2 Ck21.0 qc Seq: 651 16:06:36 07 Nov 01 HG Line Flag %Rcv. True Units SD/RSD Hg 106. 1.00 PPb .000

NYC-WTC_000065803

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NYC-WTC_000065803Source: 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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