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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_000084285–000084288

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

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NYC 9/11 Public Portal Document

Westchester county labs Folder; RUNSl Page 220 Protocol: hg-cv ***POST-RUN REPORT*** Line Cone. Units SD/RSD 1 2 3 4 5

*** Standard: 1 Rep: 1 Seq: 1605 14:32:16 04 Jan 02 HG

Hg .000 ppb 5193

*** Standard: 2 Rep: 1 Seq: 1606 14:33:54 04 Jan 02 HG

Hg .400 ppb 34109

*** standard: 3 Rep: 1 Seq: 1607 14:36:04 04 Jan 02 HG

Hg 1.00 ppb 87818

*** Standard: 4 Rep: 1 Seq: 1608 14:37:42 04 Jan 02 HG

Hg 3.00 ppb 215066

*** Standard: 5 Rep: 1 Seq: 1609 14:39:20 04 Jan 02 HG

Hg 5.00 ppb 393747

*** Standard: 6 Rep: 1 Seq: 1610 14:41:21 04 Jan 02 HG

Hg 10.0 ppb 801462 ■k -k -k Check Standardy 2 Ck21.0 qc Seq: 1611 14:45:17 04 Jan 02 HG Line! Flag %Rcv./ Found True Units SD/RSD Hg 112. 1.12’ 1.00 ppb .000

*** Sample ID: 31363 pot Seq: 1612 14:46:52 04 Jan 02 HG

Hg .077 ppb .000 .077

*** Sample ID: 31364 Seq: 1613 14:48:29 04 Jan 02 HG

Hg .053 ppb .000 .053

*** Sample ID: 31389 Seq: 1614 14:50:17 04 Jan 02 HG

Hg .030 ppb .000 .030

*** Sample ID: 31391 Seq: 1615 14:51:57 04 Jan 02 HG

Hg .030 ppb .000 .030

*** Sample ID: 31401 Seq: 1616 14:53:43 04 Jan 02 HG

Hg .036 ppb .000 .036

*** Sample ID: 31402 Seq: 1617 14:56:11 04 Jan 02 HG

Hg .032 ppb .000 .032

*** Sample ID: 31403 Seq: 1618 14:58:31 04 Jan 02 HG

Hg .036 ppb .000 .036

NYC-WTC_000084286

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NYC-WTC_000084286Source: 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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