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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_000064239
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Westchester county labs Folder; RUNSl Page 31 Protocol: hg-cv ***POST-RUN REPORT*** Line Cone. Units SD/RSD 1 2 3 4 5

*** ID; 25264 pot Seq: 225 15:08:28 18 Oct 01 HG Hg .014 PPb .000 -.014

*** S^ple ID; 25265 pot Seq; 226 15:10:18 18 Oct 01 HG Hg (-. OoX PPb .000 -.004 S=S=: *** Sample-'ID; ^457 pot Seq; 227 15:13:35 18 Oct 01 HG (^00^ pp^ Hg .000 .001 *** ,Check Standard: 2 Ck21.0 qc Seq: 228 15:15:16 18 Oct 01 HG Line Flag( %Rcv.\ j Found True Units SD/RSD Hg \1O8.H 1.08 1.00 PPb .000 *** Sample ID: 25458 pot Seq: 229 15:17:13 18 Oct 01 HG Hg PPb .000 -.020

*** Sample ID: 25459 pot Seq: 230 15:19:13 18 Oct 01 HG Hg \-.028 PPb .000 -.028

*** Sap¥>le ID; 25460 pot Seq: 231 15:20:53 18 Oct 01 HG ^3^^ ppb Hg .000 -.033 d5MS=S======:=====S?=S=s=========5====x±z===:

*** Sample ID: 25461 pot Seq; 232 15:23:52 18 Oct 01 HG Hg \-.004\ ppb .000 -.004 ssss *** Sample ID: 25462 pot Seq; 233 15:25:29 18 Oct 01 HG

Hg .017 PPb .000 .017

*** Sample ID: 25463 pot Seq: 234 15:27:20 18 Oct 01 HG Hg ppb .000 .004

*** Sample ID:^24963 pot Seq: 235 15:30:00 18 Oct 01 HG Hg -.032 ppb> .000 -.032

*** Sample IQ: 24965 pot Seq; 236 15:32:32 18 Oct 01 HG Hg -.019 PPl .000 -.019

*** Sample ID: ''2,4994 np Seq; 237 15:34:20 18 Oct 01 HG

Hg .034 PPb .000 .034

NYC-WTC_000064239

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NYC-WTC_000064239Source: NYC Law Department, mirrored locally

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