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GCMS analysis results for sample AE02381, March 2002

Machine-extracted title · confidence 100%

Laboratory report detailing gas chromatography-mass spectrometry analysis of environmental sample AE02381 conducted on March 22, 2002.

NYC-WTC_000010659–000010676

Folder label: “GCMS X 1/31/02 A 3/4/02

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File C:\MSDCHEM\1\DATA\030402\2381.D Vial: 16 Acq On 4 Mar 2002 10:32 pm Operator: McLean Sample 1/31 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method ; C:\MSDCHEM\1\5973N\5080302.M (RTE Integrator) Title : Quantitation For Method 508gcscan Library : C:\DATABASE\WILEY7N.L

Peak Number 8 BISTRIMETHYLSILYL N-ACETYL .. Concentration Rank 8

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

27.56 0.51 ug/L 220347 Chrysene-dl2 30.34

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 BISTRIMETHYLSILYL N-ACETYL EICOS... 511 C28H57NO3Si2 000000-00-0 53 2 TETRACOSAMETHYLCYCLODODECASILOXA. . . 888 C24H72012Si2 018919-94-3 49 3 OXID DTT ITBDMS 1TMS 338 C13H30d2S2Si2 000000-00-0 43 4 SILICONE POLYMER 458 C14H421 Si6 000000-00-0 43 Abundance Scan 2699 (27.557 min): 2381 .D (-) —m/z 73.05 100.00% 73

147 5000 221 ._______ 355 281 429 27.20 27.40 27.60 27.80

m/z—> 0- 0 45 —I Tr 50 , 100 150 4300 200 ■ X ' 250 i ■ j ■ 325 -3, । 401 ■ I" 1 1 1 i '' 350 400 450 m/z 147.10 50.09%

Abundance#370710: BISTRIMETHYLSILYL N-ACETYL EICOSASPHINGA-4,11-Dlii 73

5000 174 TT T 4 27.20 27.40 27.60 27.80 T TT

, 129 337 m/z 221.10 35.71% 103, 221 247 281 , 429 0- .4% hall p 44 । I 311 369 , 15* 1Piyi mtz-> 0 50 100 150 200 250 300 350 400 450 Abundance#391010: TETRACOSAMETHYLCYCLODODECASILOXANE $$ Cycled' > 73 355 ■ i1 ■ ■ • i ■ • *1****i****1* 27.20 27.40 27.60 27.80 147 221 281 m/z355.10 24.29% 5000

415 325 0- 45 IB 191 2491 *i ■ ■'’ip I 385 . •» 1 • miz-> 0 50 100 150 200 250 300 350 400 450 Abundance #287734: OXID DTT 1TBDMS 1TMS 147 27.20 27.40 27'60 27.80 1 73 m/z 281.00 19.15%

5000 203 281 45 101

0- 16444444 47P— 245 11—, 338 ‘ 11 •1 ‘ 111 ■ i ■ ■ ■ ■ i ■ ■ • ' i ■ m/z-> 0 50 100 150 200 250 300 350 400 450 27.20 27.40 27.60 27.80

2381.D 5080302.M Mon Mar 18 08:33:27 2002 Page 10

NYC-WTC_000010673

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NYC-WTC_000010673Source: NYC Law Department, mirrored locally

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