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GCMS blank analysis results, sample AE11799, May 2002

Machine-extracted title · confidence 85%

Gas chromatography-mass spectrometry blank analysis for sample AE11799 showing results below method reporting limits for semivolatile organic compounds, dated May 28, 2002.

NYC-WTC_000012751–000012778

Folder label: “GCMS X 5-21-02 A 5-22-02

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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C: \MSDCHEM\ 1 \DATA\ 0 52 2 02 \ 5 21LB. D Vial: 3 Acq On : 22 May 2002 3:27 pm Operator: Mclean Sample : 5/21 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 20 1-Monolinoleoylglycerol tri... Concentration Rank 20 R.T. EstConc Area Relative to ISTD R.T.

39.25 0.37 ug/L 148480 Perylene-d12 34.66

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 1-Monolinoleoylglycerol trimethy... 498 C27H54O4Si2 054284-45-6 23 2 l-Aza-2-sila-5-boracyclopent-3-e... 221 C12H24BNSi 081620-70-4 9 3 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H3002Si4 004342-25-0 9 4 2-Amino-4-(4-chloroanilino)-S-tr... 221 C9H8C1N5 000500-42-5 5 Abundance Scan 6156 (39.249 min): 521 LB.D (-6144) (-) m/z 221.10 100.00% 73 147 2.!1

5000 355

44 282 429 1 ■ i 1 ■ ■ ‘ i • 39.00 39.20 39.40 39.60 AL 0- ' ■ i ■ ■ ' ■ i ■ ■ ■ ■ 1 ■ ■ ■ ■ 1 m/z 147.10 84.20% niz-> 50 100 150 200 250 300 350 400 450 Abundance #27370:1-Monolinoleoylglycerol trimethylsilyl ether 73 207 5000 147 39.00 39.20 39.40 39.60 34 103 m/z 73.10 83.46% 281

miz-> 0- l— 444444124/1.177+44 +-249.,4,205327 355, 317+429,483, 50 100 150 200 250 300 350 400 450 Abundance #87910:1-Aza-2-sila-5-boracyclopent-3-ene, 4,5-diethyl-1 ,... 192 221 137 39.00 39.20 39.40 39.60 5000 m/z 355.00 46.65% 59 112 83

0- 27 # . sk . L L 1l . . ... ■ ■ i ■ ■ ' ■ i ' ■ ‘ ■ i ' ■ ■ ■ i ■ ' ■ ■ l miz-> 50 100 150 200 250 300 350 400 450 Abundance #87890: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,57,7... 1 ■ 11'11/•। >'।'11111' 147 2.11 39.00 39.20 39.40 39.60 m/z 282.00 35.13% 73 5000 191 117 279 0 • 45 •‘ I ’ ' 1.., +4 I 249..+, .................. . ■ ■ 1 ' 1 ‘ ■ 1 Tnndnnm m/z—> 60 100 150 200 250 300 350 400 450 39.00 39.20 39.40 39.60

521LB.D 052202.M Tue May 28 11:58:11 2002 Page 23

NYC-WTC_000012777

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NYC-WTC_000012777Source: NYC Law Department, mirrored locally

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