Asbestos lab analysis batch results, Dec 4 2001

NYC 9/11 Public Portal Document = = = = = zz=z = = = ?= = = = = = s= = = = = = z=s= = = = = = ss: = = = = = = s:s:s= = = = = = = = = = = = = = = = =: = = Element: As AS Loc.: 38 Date: 12/04/2001 T ■ Sample ID: S40 IZh dispensed: 10 from 36, 5 from 37, 20 from 38

Repl SampleConc StndConc BlnkCorr Peak Bkgnd TimePeak # gg/L IJ-'S/'L' Signal Area Area Stored 1 0.208 0.206 0.036 17:23:44 No The calibration curve may not be linear. Standard number 4 applied. [40] Correlation Coefficient; 0.9982 Slope; 0.0052

As 0.3 -T

0.2 ~ a o u c ra •eo m XI < 0.1 “

-10 0 10 20 30 40 50

Concentration

Calibration data for As Entered Calculated Mean Signal Concentration Concentration Standard standard ID (Pk Area) (/tg/L) (gg/L) Deviation %RSD Calib Blank 0.000 -1.105 SIO 0.062 10 10.86 S2 0 0.113 20 20.60 S30 0.165 30 30.63 S40 0.208 40 39.01 Correlation Coefficient; 0.99815 Slope; 0.00518 Intercept: 0.006

Element: As AS Loc.: 1 Date: 12/04/2001 Sample ID: qcs gL dispensed: 10 from 36, 5 from 37, 20 from 1

Repl SampleConc StndConc BlnkCorr Peak Bkgnd TimePeak # gg/L gg/L Signal Area Area Stored 1 9.571 9.571 0.055 0.054 0.020 17:27:47 No QC value within specified limits.

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