Arsenic in potable water lab report sample list, Sept 2001

NYC 9/11 Public Portal Document The calibration curve has been edited.

SSSSSSSSSSSSa8BSS:B = = B:SBB = SSSS8SB885&XS: = = SSBBBBSSaSS5SSS8SSBBS = = SS&S=S88S:BBSSSSSS8SS = SSSS;SSSSBSSBSSBBS&SB8SSSS = S

Element: As AS Loc.: 36 Date: 09/20/2001 Sattple ID: Calib Blank /zL dispensed: 20 from 36, 5 from 37, 20 from 36

Repl SampleCo] StndConc BlnkCorr Peak Bkgnd Time Peak # Mg/L lig/li Signal Area Area Stored 1 -0.005 -0.003 0.019 14:21:44 No Auto-zero perfi id.

._.^SBBBB8BSS:

Element: “ o.: 34 Date: 09/20/2001 Sample IlU 21786 ) gb dispen^d: 20 /n 36, 5 from 37, 20 from 34

Repl SampleConc" S LdConc BlnkCorr Peak Bkgnd Time Peak # /^g/L 1^9/ Signal Area Area Stored 1 0.004 0.001 0.025 14:24:22: No

SSBBBBBBBBBBSBBSBBBBBBBS: EBBBBBSBSBBBBSSBBBSBBBBBBSBBBBBBBSBBBBBBBBBBBSSBSBBSBBSBBBSBBSB

Element: As AS Log . : 3' Date: 09/20/2001 San^le ID: SIO fiL dispensed: 15 from 36, from 37, 5 from 38, 20 from 34

Repl SampleConc StndConc ilnkCorr Peak Bkgnd Time Peak # Mg/b /^g/L ignal Area Area Stored 1 q.O48 0.046 0.043 14:27:12 No Addition number 1 applied. [10] ' Correlation Coefficient: 1.0000 Slope: 0.0045 bbsbbbbbbbbbbbsbbbsbbbsbbbbbbsbbbbb^bbbbssbbbbbsssbssbbbbbbbbbbbbsbsssbbsbbbbbbbsbbsbbb

Element: As AS Loc.: 38 Date: o\Z2O/2OOl Sample ID: S20 /zL dispensed: 10 from 36, 5 from 37, lO from 38, 20 from 34

Repl SampleConc StndConc BlnkCorr Peak Bkgnd Time Peak # y-g/li Signal Ar^a Area Stored 1 0.090 0.0^7 0.033 14:30:01. No Addition number 2 applied. [20] Correlation Coefficient: 0.9997 Slope: 0.0043

Element: As AS Loc.: 38 Date: 09/20/2001 Sample ID: S30 /zL dispensed: 5 from 36, 5 from 37, 15 from 38, 20 Krom 34

Repl SampleConc StndConc BlnkCorr Peak Bkgnd Time Peak # /zg/L Signal Area Area Stored 1 0.126 0.123 0.063 \14:32:51. No Addition number 3 applied. [30] Correlation Coefficient: 0.9989 Slope: 041

Page 20

NYC-WTC_000064627