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GCMS analysis results for sample AE12472, June 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE12472 conducted on June 4, 2002.

NYC-WTC_000014054–000014078

Folder label: “GCMS X 5/24/02 A 5/28/02

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NYC 9/11 Public Portal Document LLDLCLY DEdLci topOUIC KCDOL L

Data File : C:\MSDCHEM\l\DATA\052802\12472.D Vial: 10 Acq On : 28 May 2002 9:38 pm Operator: McLean Sample : 5/24 ad 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 14 Cyclopentasiloxane, decamet... Concentration Rank 9 R.T. EstConc Area Relative to ISTD R.T. 12.37 0.69 ug/L 579652 Napthalene-d8 13.39 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6(83 2 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 50 3 Tetrasiloxane, l,l,3,3,5,5,7,7-o... 282 C8H2603S14 001000-05-1 33 4 Phenethylamine, N-methyl-.beta;,... 399 C18H37NO3Si3 010538-85-9 32 Abundance Scan 1581 (12.368 min): 12472.D (-1573) (-) m/z 73.10 100.00%| 73

5000 267 ----- 355 45 193 12.00 12.20 12.40 12.60 12.80 L. 1 TT 125 mAnt L 154 223 251 323339 m/z 267.00 32.88%l nz-s 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance #115315: Cyclopentasiloxane, decamethyl- 73

355 267 5000 12.00 12,20 12.40 12.60 12.80 m/z 355.10 23.50% 45 , . 191207223 251 | 323339 0- mh T— 1’’ '[TtA | I H I | I I II | I I ■ 1 | I I I I | II I I | I A'l | Al I |'< I ll | ■ ?V| | Prrp I I I

m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance #115273: Cyclopentasiloxane, decamethyl- 73 TT T 18 12.00 12.20 12.40 12.60 12.80 50001 267 m/z 74.10 8.59% 355 45 28 [h 96 115 133149165 , 193 223 251 O-pHTmmmmmmmmmpmhp 4307323339 4— m/z—> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 Abundance #27274: Tetrasiloxane, 1,1,3,3,5,5,7,7-octamethyl- — 73 12.00 12.20 12.40 12.60 12.80 193 m/z 268.00 8.56? 5000 267

2745 , 103 133 161177 122 235251 1 ....... 0-Tpmmm] " 11P't! TT’ "TT I rTi 11111 j 11" I.—“WP—IW———Ipd11" rT | J I ■ i ■ ' ■ ■ i ■ ■ ■ • i • ' ■ ■ i ' n/z—> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 12.00 12.20 12.40 12.60 12.80

12472.D 052202.M Thu May 30 10:41:59 2002 Page 17

NYC-WTC_000014075

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NYC-WTC_000014075Source: NYC Law Department, mirrored locally

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