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Mercury calibration report, DEP Box 66, Nov 2001-Jan 2002

Machine-extracted title · confidence 95%

Laboratory calibration data and coefficients for mercury analysis conducted between November 2001 and January 2002.

NYC-WTC_000084273–000084276

Folder label: “Hg MANY 11/27/01 - 1/30/02

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NYC 9/11 Public Portal Document

ii? Westchester county labs Folder: RUNSl Page 195 Protocol: hg-cv HI ***POST-RUN REPORT*** Line Cone. Units SD/RSD 1 2 3 4 5

*** Standard: 1 Rep: 1 Seq: 1354 15:10:58 19 Dec 01 HG

Hg .000 ppb 3771

*** Standard; 2 Rep: 1 Seq: 1355 15:12:39 19 Dec 01 HG

Hg .400 ppb 31568

*** Standard: 3 Rep: 1 Seq: 1356 15:14:37 19 Dec 01 HG

Hg 1.00 ppb 72014

*** Standard: 4 Rep: 1 Seq: 1357 15:16:16 19 Dec 01 HG

Hg 3.00 ppb 226603

*** Standard: 5 Rep: 1 Seq: 1358 15:18:13 19 Dec 01 HG

Hg 5.00 ppb 372696

*** Standard: 6 Rep: 1 Seq: 1359 15:19:52 19 Dec 01 HG

Hg 10.0 ppb 748322 *** Check Standard:/ 2 Ck21.0 qc Seq: 1360 15:21:30 19 Dec 01 HG Line: Flag %Rcv. / Found True Units SD/RSD Hg 101. / 1.01 1,00 ppb .000

*** Sample ID: 30483 Seq: 1368 15:36:06 19 Dec 01 HG

Hg , .047 ppb .000 .047

*** Sample ID: 30483d Seq: 1369 15:38:05 19 Dec 01 HG

Hg -.017 ppb .000 -.017 / *** Sample IDk30483 spk Seq: 1370 15:39:42 19 Dec 01 HG

Hg 5.72 T ppb .000 5.72 *** Check Standard:/2 Ck21.0 qc Seq: 1371 15:41:22 19 Dec 01 HG Line; Flag %Rcv. / Found True Units SD/RSD Hg 107. 1/ 1.07 1.00 ppb .000

*** Sample ID: 30484 Seq: 1372 15:43:09 19 Dec 01 HG

Hg .045 ppb .000 .045

*** Sample ID: 30485 Seq: 1373 15:45:11 19 Dec 01 HG

Hg .015 ppb .000 .015

*** Sample ID: 30486 Seq: 1374 15:46:52 19 Dec 01 HG

Hg .024 ppb .000 .024

NYC-WTC_000084274

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NYC-WTC_000084274Source: NYC Law Department, mirrored locally

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NYC-WTC_000084249 · Box DEP Box 66

Department of Environmental Protection mercury monitoring records for the World Trade Center site spanning November 2001 to January 2002.

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