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GCMS surrogate recovery data for sample AE07634, April 2002

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Record of surrogate compound recovery rates for sample AE07633 analyzed on April 18, 2002.

NYC-WTC_000040203–000040211

Folder label: “GCMS X 4/3/02 A 4/10/02

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\020410\07634.D Vial: 9 Acq On : 10 Apr 2002 5:55 pm Operator: Nefliu Sample : field blk Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l-..\SC7kNAPR0902.M (Chemstation Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 2 Heptasiloxane, 1,1,3,3,5,5,. Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 14.69 0.27 ug/1 230684 Naphthalene-d8 15.77 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Heptasiloxane, 1,1,3,3,5,5,7,7,9... 504 C14H44O6Si7 019095-23-9 2 2 Ethyl 4-chloro-3-trifluoromethyl... 267 C10H9C1F3NO2 018585-06-3 2 3 Benzoic acid, 2-[(trimethylsilyl... 282 C13H22O3Si2 003789-85-3 2 4 4,6-Dioxa-3,8-disiladecane, 5-(2... 532 C32H60O2Si2 109629-49-4 2 Abundance Scan 1976 (14.689 min): 07634.D (-1967) (-) m/z 73.10 100.00% 73

5000 355 267

1 1 1 1 1 1 1 I 1 I ' 1 1 1 1 1 '

0- 4.................... .......... ................. 14.40 14.60 14.80 15.00 m/z 355.00 48.52% m/z-> 0 50 100 150 200 250 300 350 400 450 Abundance #27374: Heptasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11,13,13-tet... 73

5000 207 ' 1 I ' ' ' ' 1 1 4.... 14.40 14.60 14.80 15.00 m/z 266.90 42.43% 133 281 355 0- ■ ■ 103 I 177 i ■ ' ' ■ i ■ ' 1 1 1 i , 2 5 31 l — 32741 383! 429 TII 489 T\tZ-> 0 50 100 150 200 250 300 350 400 450 Abundance #637: Ethyl 4-chloro-3-trifluoromethylcarbanilate 29 111111/11/1 ' I ' 1 1 * I ' ' 14.40 14.60 14.80 15.00 5000 195 m/z 356.00 17.74% 221 267 69 QQ 1 32 158

m/z-> 0- 44 4444444 L + —4 1 i ■ ' ■ ' 1 1 1 1 1 I ' 1 1 1 1 1 ' 0 50 100 150 200 250 300 350 400 450 Abundance #115268: Benzoic acid, 2-[(trimethylsilyl)oxy]-, trimethyl... 73 14.40 14.60 14.80 15.00 m/z40.00 4.58%

5000 267

45 0— — 105 135,59 193 233 ............................... r I ' ' f ' 1 ' 1 ' ' i ' ' ' ' i ' ' ' ‘ i ' ' ' ‘ i ' 1 1 ' I 1 1 1 1 1 1 1 ' 1 1 m/z--> 0 50 100 150 200 250 300 350 400 450 14.40 14.60 14.80 15.00

07634.D SCANAPR0902.M Tue Apr 30 13:40:34 2002 Page 4

NYC-WTC_000040210

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NYC-WTC_000040210Source: NYC Law Department, mirrored locally

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