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Document / 14 pages

Mercury QA/QC batch results, Oct 2001

Machine-extracted title · confidence 95%

Laboratory data entry form recording quality assurance and control results for mercury analysis batches in October 2001.

NYC-WTC_000064232–000064245

Folder label: “Hg

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Scanned page image, NYC-WTC_000064240
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Westchester county labs Folder: RUNSl Page 40 Protocol: hg-cv ***POST-RUN REPORT*** Line Cone. Units SD/RSD 1 2 3 4 5

*** Standard: 1 Rep: 1 Seq: 279 14:34:10 19 Oct 01 HG

Hg .000 PPb 3141

*** Standard: 2 Rep: 1 Seq: 280 14:35:48 19 Oct 01 HG

Hg .400 PPb 28798

*** Standard: 3 Rep: 1 Seq: 281 14:37:25 19 Oct 01 HG

Hg 1.00 PPb 71457

*** standard: 4 Rep: 1 Seq: 282 14:39:11 19 Oct 01 HG

Hg 3.00 PPb 231888

*** Standard: 5 Rep: 1 I Seq: 283 14:41:00 19 Oct 01 HG f H Hg 5.00 PPb 387636

ir *** Standard: 6 Rep: 1

Hg 10.0 PPb 758592

*** Check Etanda ■dzi 2 Ck21.0 qc Seq:

Seq: 284

285 14:42:38 19 Oct 01

14:45:35 19 Oct 01 HG

HG Line Flag! %Rcv] I Found True Units SD/RSD Hg \ 97.2] J .972 1.00 PPb .000

Sait^l^n <25599 pot Seq: 286 14:47:16 19 Oct 01 HG (^004 \ Hg PPb .000 .004

*** Sample ID: 25599d Seq: 287 14:49:04 19 Oct 01 HG

Hg .006 PPb .000 .006

Sample ID: 25599 spk Seq: 288

^^9'^ 14:50:45 19 Oct 01 HG

Hg .000 4.41 Ppb

*** Sample ID: 25600 Seq: 289 14:52:26 19 Oct 01 HG \ Hg -.016 PPb .000 -.016

*** Sample ID: 25601 Seq: 290 14:54:03 19 Oct 01 HG

Hg -.021 PPb .000 -.021

' S^mp^ ID: 25602 Seq: 291 14:55:52 19 Oct 01 HG

Hg PPb .000 -.011

*** Samcle ID: 25603 Seq: 292 14:57:41 19 Oct 01 HG

Hg .002 PPb .000 .002

NYC-WTC_000064240

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NYC-WTC_000064240Source: NYC Law Department, mirrored locally

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