Sample batch list, DEP Labs, November 29 2001

NYC 9/11 Public Portal Document : = zzzz=: = zzz: = = = z; = =: = = z; = = zz = = = = = = zz = = = Element: Sb Seq. No.: 11 AS Loc.: 6 Date: 11/29/2001 Sample ID: 26681 filj dispensed: 10 from 36, 5 from 37, 20 from 6

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # /^g/L Mg/L Signal Area Height Area Height Stored 1 0.2529 0.2529 -0.001 0.021 0.026 0.042 0.027 10:57:16 No

= = Element: Sb Seq. No.: 12 AS Loc.: 6 Date: 11/29/2001 Sample ID: 26681 filj dispensed: 5 from 37, 10 from 38, 20 from 6

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Mg/L Mg/L Signal Area Height Area Height Stored 1 5.698 5.698 0.017 0.039 0.045 0.035 0.019 10:59:53 No Recovery is 54.4% <(outsid^ of specified limits)

Element: Sb Seq. No.: 13 AS Loc.: 6 Date: 11/29/2001 Sample ID: 26681 lih dispensed: 25 from 36, 5 from 37, 5 from 6

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Mg/h gg/L Signal Area Height Area Height Stored 1 -0.4664 , -0.1166 -0.002 0.020 0.025 0.036 0.023 11:02:31 No

: S— sz ^z ^z ^z zz :ZZ = = ZZZZ = = = ZZZZ = = =Z = = = ZZ = = = = S = ZZ = = = Z= = = Z= = ZZ:

Element: Sb Seq. No.: 14 AS Loc.: 6 Date: 11/29/2001 Sample ID: 26681 lilj dispensed: 15 from 36, 5 from 37, 10 from 38, 5 from 6

Repl SampleConc BlnkCorr StndConc Peak Peak Bkgnd Bkgnd Time Peak # ra/L Signal Mg/L Area Height Area Height Stored 1 33.34 8.3.36 0.025 0.048 0.041 0.037 0.023 11:05:18 No Recovery is 83.4% outside^of specified limits) Com Element: Sb Seq. No.: 15 AS Loc.: 7 Date: 11/29/2001 Sample ID: 26681dup /iL dispensed: 10 from 36, 5 from 37, 20 from 7

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # /ig/L Signal Area Height Area Height Stored 1 -0.6054 -0.6054 -0.004 0.018 0.027 0.042 0.025 11:07:57 No

: = = = z= = = = = zs = = = zzzz = = = s: = = = = = zzz= = s = = = zzzz = = szz = = zz =

Element: Sb Seq. No.: 16 AS Loc.: 8 Date: 11/29/2001 Sample ID: 26682 filj dispensed: 10 from 36, 5 from 37, 20 from 8

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Mg/L Signal Area Height Area Height Stored 1 0.2960 0.2960 -0.001 0.021 0.024 0.042 0.023 11:10:38 No

Page 4

NYC-\/VTC_000084105