Element: As AS hoc.: 38 Date: 09/28/2001
Sample XD: S40
Hit dispensed: 10 from 36, 5 from 37, 20 from 38
Repl SampleConc StndConc BlnkCorr Peak Bkgnd TimePeak
« /xg/Ii Mg/L Signal Area Area Stored
1 0.218 0.219 0.030 09:13:54 No
The calibration curve may not be ll^ar.
Standard number 4 applied. [40] /
Correlation Coefficient: 0.9988 Slope: 0.0054
As
0.3 “T
0.2-
S
g
€
S
§ 0.1 -
r T I r I
-10 0 10 20 30 40 50
Concentration
Calibration data for As
Entered Calculated
Mean Signal Concentration Concentration Standard
standard ID (Pk Area) (/ig/L) (gg/L) Deviation %RSD
Calib Blank 0.000 -0.946
SIO 0.065 10 11.14
S20 0.113 20 20.07
S30 0.168 30 30.20
S40 0.218 rx 40 39.53
Correlation Coefficient: ('07998^7 Slope: 0.00539 Intercept: 0.005
Page 36
NYC-WTC_000064685
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NYC-WTC_000064685Source: NYC Law Department, mirrored locally