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GCMS analysis results, sample AE02148, March 2002

Machine-extracted title · confidence 85%

Gas chromatography-mass spectrometry analysis of sample AE02148 conducted on 3/21/02, detecting unknown compounds and 2,4-DDD surrogate at 123 ug with MDL of 5.0 ug.

NYC-WTC_000038991–000038999

Folder label: “GCMS X 3/8/02 A 3/19/02

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NYC 9/11 Public Portal Document

Library Search Compound Report t Data File : C:\MSDCHEM\l\DATA\031802\2148.D Vial: 26 Acq On : 19 Mar 2002 10:37 pm Operator: McLean Sample : GC/MS SCAN 3/8 Inst Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\MSDCHEM\l\5973N\5080302.M (RTE Integrator) Title : Quantitation For Method 508gcscan Library : C: \DATABASE\ WILEY7N. L

Peak Number 1 Cyclopentasiloxane, decamet... Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T.

12.06 0.51 ug/L 229784 Naphthalene-d8 13.03

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 62 2 Benzeneacetic acid, .alpha.,3,4-... 472 C20H40O5Si4 037148-65-5 47 3 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02-6 47 4 N- (Trifluoroacetyl) -N, 0,0', O’ '-t. . . 553 C22H42F3NO4Si4 000000-0 0-0 38 Abundance Scan 990 (12.056 min): 2148.D (-) m/z 73.1 0“ 100.06 % 73

5000 267 355

11.80 12.00 12.20 12.40 45 ......... 133 162 191 223 323, m/z 267.00 47.71% 01 — 1 ' I 1 1 1 ' I ' ' ' 1 I ‘ 1 1 1 I ' m/z-> 50 100 150 200 250 300 350 400 450 Abundance #313065: Cyclopentasiloxane, decamethyl- 73

- 5000 267 11.80 12.00 12.20 12.40 355 m/z 355.10 39.75% 45 103 133 165 193 223 , 293 323 । 0- T 1 I T 1 - TIIndunumOOIITT m/z-> 50 100 150 200 250 300 350 400 450 Abundance #36162.5: Benzeneacetic acid. .alpha.,3,4-tris[(tnmethyls... 73 —...L.... 11.80 12.00 12.20 12.40 5000 355 m/z 356.00 13.06%

147 1 0 47.1 105 _ • i ■ 1 193 237 267295 325 ————————— ITT TT I I I I I I ) I I I I j 384 429 457 m/z-> 50 100 150 200 250___ 300 350 400 450 Abundance #313068: Cyclopentasiloxane, decamethyl- 73 11.80 12.00 12.20 12.40 m/ z 268.00 12.23% 355 267 5000

45 ........................ ,207 323, 0 1 , ..... ' 1 i ' 1 1 ■ i 1 1 1 ■ i’ ' ' ; i ■ ' ■1 r ■ : TTIIa—TTTT ■ ■ i 11 ■ ■ ।1 ' ' I ' ' ' ' I ' ' m/z-> 50 100 150 200 250 300 350 400 450 11.80 12.00 12.20 12.40

2148.D 5080302.M Wed Mar 20 02:22:35 2002 Page 3

NYC-WTC_000038998

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NYC-WTC_000038998Source: NYC Law Department, mirrored locally

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