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

*** Standard: 1 Rep: 1 Seq: 888 16:00:46 20 Nov 01 HG

Hg .000 PPb 2173

*** Standard: 2 Rep: 1 Seq: 889 16:03:04 20 Nov 01 HG

Hg .400 PPb 28162

*** Standard: 3 Rep: 1 Seq: 890 16:04:54 20 Nov 01 HG

Hg 1.00 PPb 74298

*** Standard: 4 Rep: 1 Seq: 891 16:06:31 20 Nov 01 HG

Hg 3.00 PPb 230687

*** standard: 5 Rep: 1 Seq: 892 16:08:19 20 Nov 01 HG

Hg 5.00 PPb 379182

*** Standard: 6 Rep: 1 Seq: 893 16:09:57 20 Nov 01 HG

Hg 10.0 PPb 676671 **★ ICheck Standard: 2 Ck21.0 qc Seq: 894 16:11:45 20 Nov 01 HG Line Flag Found True Units SD/RSD Hg i2.1 .921 1.00 PPb .000

*** Sample IDT 28308 Seq: 895 16:13:22 20 Nov 01 HG

Hg -.180 PPb .000 -.180

*** Sample ID: 28309 Seq: 896 16:16:03 20 Nov 01 HG

Hg -.170 PPb .000 -.170

*** Sample ID: 28310 Seq: 897 16:18:14 20 Nov 01 HG

Hg -.148 PPb .000 -.148

*** Sample ID: 28322 Seq: 898 16:19:51 20 Nov 01 HG

Hg -.140 PPb .000 -.140

*** Sample ID: 28322d Seq: 899 16:22:19 20 Nov 01 HG

Hg -.142 PPb .000 -.142

*** Sample ID: 28322 Seq: 900 16:23:55 20 Nov 01 HG

Hg 4.91 PPb .000 4.91

*** Sample ID: 28323 Seq: 901 16:25:32 20 Nov 01 HG

Hg -.166 PPb .000 -.166

NYC-WTC_000065817

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NYC-WTC_000065817Source: 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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