Tin lab results (SnF POTABLE), DEP Box 59, Oct 2001

NYC 9/11 Public Portal Document :S=:

Element: Sn Seq. No.: 139 AS Loc.: 12 Date: 10/04/2001 Sample ID: 23835 pL dispensed: 8 from 36, 5 from 37, 12 from 12 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L Signal Area Height Area Height Stored 1 6-6.139 J -6.139 -0.003 -0.001 0.003 0.017 0.023 19:35:43 No

Element: Sn Seq. No.; 140 AS Loc.: 13 Date: 10/04/2001 Sample ID: 23997 pL dispensed: 8 from 36, 5 from 37, 12 from 13 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L Signal Area Height Area Height Stored 1 -6.368 -0.003 -0.002 0.003 0.018 0.022 19:38:28 No

Element: Sn Seq. No.: 141 AS Loc.: 14 Date: 10/04/2001 Sample ID: 23998 pL dispensed: 8 from 36, 5 from 37, 12 from 14 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/I^—pg/L Signal Area Height Area Height Stored 1 .055 ) -6.055 -0.003 -0.001 0.003 0.017 0.022 19:41:13 No =====53=====:;

Element: Sn Seq. No.: 142 AS Loc.: 2 Date: 10/04/2001 Sample ID: IPC pL dispensed: 8 from 36, 5 from 37, 12 from 2

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L Signal Area Height Area Height Stored 1 <03.7 103.7 0.164 0.166 0.419 0.039 0.068 19:43:53 No QC value ri thin specified limits.

Element: Sn Seq. No.: 143 AS Loc.: 3 Date: 10/04/2001 Sample ID: CB pL dispensed: 8 from 36, 5 from 37, 12 from 3 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/J.---. pg/L Signal Area Height Area Height Stored 1 Z^7.382) -7.382 -0.005 -0.003 0.003 0.015 0.018 19:46:29 No

Element: Sn Seq. No.: 144 AS Loc.: 15 Date: 10/04/2001 Sample ID: 24046 pL dispensed: 8 from 36, 5 from 37, 12 from 15 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 \-5.85y -5.853 -0.003 -0.001 0.003 0.017 0.023 19:49:11 No

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