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Document / 6 pages

Mercury post-run report, Feb 21, 2002

Machine-extracted title · confidence 100%

Laboratory post-run report for mercury standards conducted on February 21, 2002.

NYC-WTC_000041095–000041100

Folder label: “Hg Feb 02

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Scanned page image, NYC-WTC_000041099
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NYC 9/11 Public Portal Document

Westchester county labs Folder: RUNS1 Page 353 Protocol: hg-cv ***POST-RUN REPORT*** Line Cone. Units SD/RSD 1 2 3 4 5

*** Sample ID: 4130 Seq: 2638 16:30:21 21 Feb 02 HG Hg -.116 ppb .000 -.116

*** Sample ID: 4131 Seq: 2639 16:32:10 21 Feb 02 HG Hg -.136 PPb .000 -.136 *** ।Check Standard:/2 Ck21.0 qc Seq: 2646 16:58:43 21 Feb 02 HG Linef Flag %Rcv. / Found True Units SD/RSD Hg 92.8/ .928 1.00 PPb .000 *** ।Check Standard:/2 Ck21.0 qc Seq: 2647 17:04:59 21 Feb 02 HG Line Flag %Rcv. / Found True Units SD/RSD Hg 96.6. .966 1.00 PPb .000

** Sample ID: 4036redig. Seq: 2648 17:06:40 21 Feb 02 HG L My— Hg -.050 ppb .000 -.050 *** ।Check Standard: 2 Ck21.0 qc Seq: 2649 17:08:20 21 Feb 02 HG Line Flag %Rcv. / Found True Units SD/RSD Hg 96.3 J .963 1.00 PPb .000

ve- disestny\ o- sawple + 436 Confiis alosence of Met-col

NYC-WTC_000041099

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NYC-WTC_000041099Source: NYC Law Department, mirrored locally

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