GCMS blank analysis results for sample AE06430, April 2002

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Laboratory report documenting GCMS blank analysis of sample AE06430 conducted on April 17, 2002.

NYC-WTC_000039453–000039468

Folder label: “GCMS X 3/19/02 A 4/17/02”

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Data File : C:\HPCHEM\1\DATA\APR1702\LB.D Vial: 3 Acq On : 17 Apr 2002 10:13 am Operator: Sample : gc/ms scan 3/19 Inst : 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0412.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 6 3,6-Dioxa-2,4,5,7-tetrasilaoct Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 38.75 8.80 ug/1 788207 Perylene-dl2 37.87 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 294 C10H30O2Si4 004342-25-0 32 2 1,1,1,5,7,7/7-Heptamethyl-3,3-bis(t 444 C13H40O5Si6 038147-00-1 28 3 N- (Trifluoroacetyl) -N,O,O',0' '-tetr 553 C22H42F3NO4Si4 000000-00-0 10 4 Benzoic acid, 2,5-bis(trimethylsilo 370 C16H30O4Si3 003618-20-0 10 Abundance Scan 3671 (38.749 min): LB.D (-) m/ z 73.00 100.00% 7)3

147 221 5000 281 355 429 ' ' i ' 1 ' ' i ' 38.40 38.60 38.80 39.00 44 117 . 1 1 i 1 ' TT -- i 191 | , 2494 , I 325, -401 J...... ' I ' ' 1 1 I 5 I I I I I I I I I t J I [ I 1 m/z 147.00 63.25% m/z—> 50 100 150 200 250 300 350 400 450 500 550 Abundance #41682:3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7- 147 221

73 5000 ■ 1 i 1 38.40 38.60 38.80 39.00 191 m/z 221.00 55.09% 117 ...._ 279 1 1 ' I ' 1 1 ' I 1 1 f 1 I 1 1 ■ 1 । । । ' ' i ■ ‘ ' i 1 ' 1 ' i 1 1 1 1 i ' ■ 1 1 i 1 1 ■ ■ i 1 ■ mfz—> 50 100 150 200 250 300 350 400 450 500 550 Abundance #56714:1,1,1,5,7,7,7-Heptamethyl-3,3-bis(trimethylsiloxy)t 73 1 1 । ■ ' > < । ' " > । । । । । । । TET1I 147 38.40 38.60 38.80 39.00

5000 267 m/ z 281.00 31.33% 355 429 45 207 L' 'I ■ .. I.... _.... ’l . 1 1 T T T T41T 1//11kB,111/11/1,11Im/T T I I ! ... v I r > L . | ! .J T ( n m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #60162: N-(Trifluoroacetyl)-N,O,O',O"-tetrakis(trimethylsi - T-r-|-r , , , । , . i i । ! i- i i j T i i t ] 1 73 38.40 38.60 38.80 39.00 m/z 355.05 31.13% 355 5000

45 , L „ 147 193 267 । 538 ■ 'i 1 ' ■ ■ । ■ 'i ■ ■ ■ । > 1 । f ■ । ' i-i-1 । । । । । । i । । । । । । ■ ■ । ■ ■ ■ ■ । ■ r '1 1 ■ 1 1 ' i 1 1 r ■ i 1 1 1 1 i 1 1 1 ' n m/z—> 50 100 150 200 250 300 350 400 450 500 550 38.40 38.60 38.80 39.00

LB.D GCMS0412.M Thu Apr 18 10:56:36 2002 Page 6

NYC-WTC_000039464

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NYC-WTC_000039464Source: NYC Law Department, mirrored locally

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NYC-WTC_000039611

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