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Document / 9 pages

Hg post-run report, Nov 2 2001

Machine-extracted title · confidence 95%

Post-run report for mercury standard calibration and quality control from November 2, 2001.

NYC-WTC_000065500–000065508

Folder label: “Hg

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Scanned page image, NYC-WTC_000065505
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NYC 9/11 Public Portal Document

Westchester county labs Folder: RUNSl Page 68 Protocol: hg-cv ***POST-RUN REPORT*** Line Cone. Units SD/RSD 1 2 3 4 5

*** Sample ID: 26391 Seq: 468 15:51:22 29 Oct 01 HG Hg -.018 PPb .000 -.018

*** Sample ID: 26392 Seq: 469 15:53:00 29 Oct 01 HG Hg -.019 PPb .000 -.019

*** Sample ID: 26393 Seq: 470 15:55:08 29 Oct 01 HG Hg -.098 PPb .000 -.098 *★* Check Standard: 2 Ck21.0 qc I Seq: 471 15:57:08 29 Oct 01 HG Line Flag %Rcv. /Found True Units SD/RSD Hg 90.4 V .904 1.00 PPb .000 *** Sample ID: 26394 Seq: 472 15:58:56 29 Oct 01 HG Hg -.091 PPb .000 -.091 Check Standard: 2 Ck21.0 qc I Seq: 487 16:30:12 29 Oct 01 HG Line Flag %Rcv. /Found True Units SD/RSD Hg 102. I / 1.02 1.00 PPb .000

NYC-WTC_000065505

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NYC-WTC_000065505Source: NYC Law Department, mirrored locally

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