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Mercury post-run report, Mar 5, 2002

Machine-extracted title · confidence 100%

Laboratory post-run report for mercury standards conducted on March 5, 2002.

NYC-WTC_000041116–000041117

Folder label: “Hg March 02

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Scanned page image, NYC-WTC_000041116
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NYC 9/11 Public Portal Document

Westchester county labs Folder: RUNS1 Page 381 Protocol: hg-cv ***POST-RUN REPORT*** Line Conc. Units SD/RSD 1 2 3 4 5

*** Standard: 1 Rep: 1 Seq: 2816 15:13:16 05 Mar 02 HG Hg .000 ppb 3691 *** Standard: 2 Rep: 1 Seq: 2817 15:16:54 05 Mar 02 HG

Hg .400 ppb 22456 *** Standard: 3 Rep: 1 Seq: 2818 15:18:30 05 Mar 02 HG Hg 1.00 ppb 64850 *** Standard: 4 Rep: 1 Seq: 2819 15:20:19 05 Mar 02 HG Hg 3.00 ppb 173156 *** Standard: 5 Rep: 1 Seq: 2820 15:22:30 05 Mar 02 HG

Hg 5.00 ppb 292655 *** Standard: 6 Rep: 1 Seq: 2821 15:24:29 05 Mar 02 HG Hg 10.0 PPb 573508 *** 1Check Standards 2 Ck21.0 qc Seq: 2822 15:26:19 05 Mar 02 HG Line! Flag %Rcv./ Found True Units SD/RSD Hg 115V 1.15 1.00 ppb .000 *** Sample ID: 4802 pot Seq: 2823 15:28:30 05 Mar 02 HG

>g Hg .028 ppb .000 .028

BA 8‘t *** Sample "470 spk Seq: 2824 15:30:30 05 Mar 02 HG

§00 ® J Hg 5.23 .000 5.23

*** Sample ID: 4802d Seq: 2825 15:32:09 05 Mar 02 HG

Hg .014 ppb .000 .014

*** Sample ID: 4802d spk Seq: 2826 15:33:44 05 Mar 02 HG Hg 5.44 U"Pppb .000 5.44

*** Sample ID: 4803 Seq: 2827 15:35:21 05 Mar 02 HG HgC .083 ppb .000 .083

*** Sample ID: 4805 Seq: 2828 15:36:58 05 Mar 02 HG HgC .082 ppb .000 .082

*** Sample ID: 4843 Seq: 2829 15:38:35 05 Mar 02 HG Hg C .046 PPb .000 .046

NYC-WTC_000041116

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NYC-WTC_000041116Source: NYC Law Department, mirrored locally

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