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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_000064238
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Westchester county labs Folder: RUNSl Page 30 Protocol: hg-cv ***POST-RUN REPORT*** Line Cone. Units SD/RSD 1 2 3 4 5

*** Standard; 1 Rep; 1 Seq: 211 14:42:05 18 Oct 01 HG Hg .000 PPb 3591 *** Standard: 2 Rep; 1 Seq: 212 14:43:56 18 Oct 01 HG Hg .400 PPb 27270 *** Standard; 3 Rep; 1 Seq: 213 14:45:43 18 Oct 01 HG Hg 1.00 PPb 77746 *** Standard: 4 Rep; 1 Seq; 214 14:47:21 18 Oct 01 HG Hg 3.00 PPb 216418 *** Standard: 5 Rep: 1 Seq: 215 14:48:58 18 Oct 01 HG Hg 5.00 PPb 372610 ** Standard: 6 Rep: 1 Se{}: 216 14:51:28 18 Oct 01 HG J Hg 10.0 PPb 727781 5»- ■a -** Chee: St^tdard; I 2 Ck21.0 qc Seq: 217 14:53:16 18 Oct 01 HG line Fliag '%RcV'. I Found True Units SD/RSD

ill ig 1.10 1.00 PPb .000

s 03 p '** .Senile ID: 25259 .pot Seq: 218 14:55:12 18 Oct 01 HG PPb .000 -.057

S I 3 I*** Sam^e ID: 25259 d Seq; 219 14:57:21 18 Oct 01 HG Hg .023 PPb ,000 -.023

*** Sample ID; 25259 spk Seq: 220 14:59:27 18 Oct 01 HG

Hg 4.9 PPb .000 4.94 a) asss=s=sss=sAasssssz2=ssssss=sss=s USSSS3 **★ Samp^le ID: 25260 pot Seq: 221 15:01:23 18 Oct 01 HG

Hg \.oio\ PPb .000 .010

a -■«<! . ' ■■■« I I II p.. —-I II*- '.J«. I II. . . I > < I j I I >_. » _t I ■ , I ■ I II !■, I- I ■■.p.l I I II.MMI I » III

*** Sample ID: 25261 pot Seq: 222 15x03:39 18 Oct 01 HG

Hg -.01^ PPb .000 -.012

*** Sample ID: 25262 pot Seq: 223 15:05:15 18 Oct 01 HG Hg a ppb .000 -.033 ss

*** Sample ID; 25263 pot Seq; 224 15:06:51 18 Oct 01 HG

Hg -.046 ■ ppb .000 -.046 SS

NYC-WTC_000064238

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NYC-WTC_000064238Source: NYC Law Department, mirrored locally

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