GCMS analysis report sample AE09677, May 23, 2002

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GCMS laboratory report for sample AE09677 detecting unknown compounds and 2,4-DDD on May 23, 2002.

NYC-WTC_000013154–000013183

Folder label: “GCMS X 5/21/02 A 5/21/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052102\9677.D Vial: 15 Acq On : 22 May 2002 12:44 am Operator: Mclean Sample : re-extract Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 18 Cyclononasiloxane, octadeca... Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 36.45 2.65 ug/L 1454750 Perylene-dl2 34.66 Hit# of 5 Tentative ID MW MolForm CAS# Qu 1 Cyclononasiloxane, octadecamethyl- 666 C18H54O9Si9 000556-71-8 91 2 Mercaptoacetic acid, bis(trimeth... 236 C8H20O2SSi2 006398-62-5 42 3 3,6-Dioxa-2,4,5,7-tetrasilaoctan. . . 294 C10H3002Si4 004342-25-0 42 4 3-Isopropoxy-l,l,l,7,7,7-hexamet... 576 C18H5207Si7 071579-69-6 32 Abundance Scan 5680 (36.452 min): 9677.D (-5667) (-) m/ z 73.10 100.00% 73 147 221

5000 281 355 429 36.20 36.40 36.60 36.80 o1 l' ■' ■ I ■ 191 11325 503 11 1* rryrt ’h ’1TI —H ' I ‘ ‘‘ 1 • • ‘ • I ‘ ‘111 11 1111 1 I 1 L _______________ m/z 147.10 88.30% n/z—> 0 50 100 150 200 250 300 350 400 450 500 550 600 650 Abundance #115158: Cyclononasiloxane, octadecamethyl- 73 147 221 429

355 5000 281 111*1* Frri . 41071 Minfi 36.20 36.40 36.60 36.80 m/z 221.10 76.75% 475

niz-> 0 o1 | 1 1 > r| 50 • j ■ * 100 150 sl • • i' 200 „... 1 — 400 450 500 550 600 250 300 350 651 650 Abundance #26922: Mercaptoacetic acid, bis(trimethylsily!)- 73 ,,__ _____________ _ ,_(_,_।_,_,__ 147 36,20 36.40 36.60 36.80 5000 m/z 355.10 36.40% 221

niz-> 0- 0 +134 104 —1Pr - 177 I ' ‘ ‘ ' I ‘ ‘ I ' ' ' ' I ' ‘ ‘ I ‘ 1 ' ' I ‘ ‘ ' I ‘ 50 100 150 200 250 300 350 400 450 500 550 600 650 ‘ I ' '

Abundance #87890:3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 'T I | I . I ■ | I I 147 221 36.20 36.40 36.60 36.80 m/z 281.05 34.97% 73 5000 191 279 28, ----- 0 | ■ । » 1 0 r i ■' ■ • i ■ ■ • • i • ■ • ■ i ■ ■ ■ ' i 111 1 *111 1 n/z-> 0 50 100 150 200.250 300 350 400 450 500 550 600 650 36.20 36.40 36.60 36.80

9677.D 052202.M Wed May 22 11:34:29 2002 Page 21

NYC-WTC_000013180

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NYC-WTC_000013180Source: NYC Law Department, mirrored locally

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