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GCMS analysis results for sample AE11381, May 22 2002

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Laboratory report showing GCMS analysis results for sample AE11381 conducted on May 22, 2002.

NYC-WTC_000025102–000025126

Folder label: “GCMS X 5/15/02 A 5/17/02

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NYC 9/11 Public Portal Document aLy DcaLtii OpOUlIU RCDOL L

Data File : C:\MSDCHEM\1\DATA\051702\11380.D Vial: 7 Acq On : 17 May 2002 5:40 pm Operator: Mclean Sample : 5/15 ad Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 10 1,1,1,5,7,7,7-Heptamethyl-3... Concentration Rank 6 R.T. EstConc Area Relative to ISTD R.T. 35.41 0.50 ug/L 358077 Perylene-d12 34.70 Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 1,1,1,5,7,7,7-Heptamethyl-3,3-bi... 444 C13H40O5Si6 038147-00-1 33 2 Trisiloxane, 1,1,1,5,5,5-hexamet... 384 C12H3604Si5 003555-47-3 27 3 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H3002Si4 004342-25- 23 4 Trisiloxane, 1,1,1,5,5,5-hexamet .. 384 C12H3604Si5 003555-47-3 16 Abundance Scan 5503 (35.413 min): 11380. D (-5491) (-) m/z 73.10 100.00% 73 147 221

281 5000 355 munoroow) yoobwiy 96 429 191 35.00 35.20 35.40 35.60 35.80

m/z-> 0- 44 II- 50 LL ' i ' 100 T 150 i r—i 200 i—|—> 250 I, 300 350 I I, — 1. 400 m/Z 147.10 98.11% Abundance #26950:1,1,1,5,7,7,7-Heptamethyl-3,3-bis(trimethylsiloxy)... 73 147 5000 267 355 429 35.00 35.20 35.40 35.60 35.80 45 207 m/z 221.10 84.23%|

m/z-> o1 I 50 100 150 200 |............. I I 250 300 350 -l 400 Abundance #26961: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trime... 73 147 ■ 1 ' । 1 ■ 281 35.00 35.20 35.40 35.60 35.80 5000 m/z 280.95 50.20%|

45 369 1 , 95 117 177 297226 249 ! 310 341 . m/z-> 0- 50 1/ 7 "1 100 — ' " * hen 150 200 r 1* 250 300 350 400 ulw/ WAnhayMa Abundance #87890: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 147 221 35.00 35.20 35.40 35.60 35.80 m/z 355.00 42.81%| 73 5000 191 117 279 45 ih1 1 L ' 1 1,‘ 249 I ............ 0 T- 11II ■ i r 1 ’ ■ i 1 1 1 ' i 1 1 1 ' i 1 T1 1 1 1 I ' n/z-> 50 100 150 200 250 300 350 400 35.00 35.20 35.40 35.60 35.80

11380.D 050102.M Mon May 20 15:46:53 2002 Page 13

NYC-WTC_000025122

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NYC-WTC_000025122Source: NYC Law Department, mirrored locally

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