Asbestos lab analysis batch results, Jan 31 2002

NYC 9/11 Public Portal Document PerkinElmer AAWinLab: 01/31/2002, 11:07:10 AM

Method Name: TiHGA Method Description: Tihga SM3113 B Element: Ti

Date: 01/31/2002 Technique:Furnace Calibration Type: Ti, Calc. Intercept : Linear Wavelength: 364.3 nm Energy: 100 Slit Width: 0.2 Lamp Current: 40 mA Sample Info Name: 01180211.3IF Results Data Set Name:

Element: Ti Seq. No.: 1 AS Loc.: 86 Date: 01/31/2002 Sample ID: Calib Blank pL dispensed: 10 from 86, 20 from 86

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Signal Area Height Area Height Stored 1 0.0073 0.0073 0.0030 0.0031 0.0035 11:09:58 No Auto-zero performed.

Element: Ti Seq;. No. : 2 AS Loc.: 88 Date: 01/31/2002 Sample ID: S25 pl dispensed: 25 from 86, 5 from 88

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # Signal Area Height Area Height Stored 1 0.0213 0.0285 0.0189 0.0045 0.0045 11:13:42 No [Ti] Standard number 1 applied. [25.0] Correlation Coefficient: 1.00000 Slope: 0.00085 Intercept : 0.00000

Element: Ti Seq. No.: 3 AS Loc.: 88 Date: 01/31/2002 Sample ID: 350 pL dispensed: 20 from 86, 10 from 88

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Tkrea Height Stored 1 0.0448 0.0520 0.0356 0.0051 0.0047 11:17:27 No [Ti] Standard number 2 applied. [50.0] Correlation Coefficient: 0.99957 Slope: 0.00090 Intercept : -0.00038

Element: Ti Seq. No.: 4 AS Loc.: 88 Date: 01/31/2002 Sample ID: S75 pl dispensed: 15 from 86, 15 from 88

Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Tlrea Height Stored 1 0.0677 0.0750 0.0525 0.0061 0.0061 11:21:12 No [Ti] Standard number 3 applied. [75.0] Correlation Coefficient: 0.99978 Slope: 0.00091 Intercept : -0.00057

Page -1-

NYC-WTC_000084189