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Document / 6 pages

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_000084267–000084272

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

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NYC 9/11 Public Portal Document

Westchester county labs Folder: RUN SI Page 188 Protocol: hg-cv ***POST-RUN REPORT*** Line Cone. Units SD/RSD 1 2 3 4 5

*** Sample ID; 30086 Seq: 1300 15:42:31 14 Dec 01 HG

Hg .040 ppb .000 .040

*** Check Standard:/2 Ck21.0 qc Seq: 1301 15:44:22 14 Dec 01 HG Line Flag %Rcv. Found True Units SD/RSD Hg 107. I. 1.07 1.00 ppb .000

*** Standard: 1 Rep: 1 Seq: 1313 16:07:34 14 Dec 01 HG

Hg .000 ppb -1235

*** Standard: 2 Rep: 1 Seq; 1314 16:09:13 14 Dec 01 HG

Hg .400 ppb 30228

*** Standard: 3 Rep: 1 Seq: 1315 16:11:51 14 Dec 01 HG

Hg 1.00 ppb 81864

*** Standard: 4 Rep: 1 Seq: 1316 16:13:29 14 Dec 01 HG

Hg 3.00 ppb 256084

*** Standard: 5 Rep: 1 Seq: 1317 16:15:06 14 Dec 01 HG

Hg 5.00 ppb 426621 t *** Standard: 6 Rep: 1 Seq; 1318 16:17:16 14 Dec 01 HG

Hg 10.0 ppb 833718 ★ ★ -A- Check Standard^2 Ck21.0 qc Seq: 1319 16:21:24 14 Dec 01 HG Line: Flag %Rcv. / Found True Units SD/RSD Hg 96.01/ .960 1.00 ppb .000

*** Sample ID: 30251 Seq: 1320 16:23:02 14 Dec 01 HG

Hg -.037 ppb .000 -.037

*** Sample ID: 30252 Seq: 1321 16:24:41 14 Dec 01 HG

Hg^ -.019 ppb .000 -.019

*** Sample ID: 30252d Seq: 1322 16:26:39 14 Dec 01 HG

Hg .005 ppb .000 .005

Sample ID;.,-30252 spk Seq: 1323 16:28:35 14 Dec 01 HG

Hg 4.47 .000 4.47

*** Sample ID: 30253 Seq: 1324 16:30:17 14 Dec 01 HG

Hg .038 ppb .000 .038

NYC-WTC_000084271

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NYC-WTC_000084271Source: 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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