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GCMS blank analysis results, Jan 2002

Machine-extracted title · confidence 85%

Laboratory report documenting gas chromatography-mass spectrometry blank analysis for volatile organic compounds conducted on January 7, 2002.

NYC-WTC_000019049–000019060

Folder label: “GCMS X 12/13/01 A 12/22/01 AND 12/27/01

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Scanned page image, NYC-WTC_000019055
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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\DEC2 7 01\LBA.D Vial: 4 Acq On : 27 Dec 2001 1:06 pm Operator: 209 GALOS Sample : GC/MS SCAN 12/13 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 Silane, tetramethyl- Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.61 4.54 ug/1 1273970 1,4-Dichlorobenzene-d4 11.68

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 2 N-Ethylformamide 73 C3H7NO 000627-45-2 9 3 1,3-Dioxolane, 2- (3-bromo-5,5,5-tri 352 C10H16BrC13O2 000000-00-0 9 4 Pentane, 3-methoxy- 102 C6H140 036839-67-5 9 Abundance ... /.. Scan 280 (7.611 min): LBA.D (-) m/z 73.00 100.00% / 73

5000 43 ' i ' 1 ' ‘ i • ‘

87 103 7.20 7.40 7.60 7.80 8.00 38 1, I 49 55 61 67, , 1 1 I r' 1 1 I 1 1 1 1 I 1 1 1 '| । 'I i L‘*AI . . . .'i'. I TT9nmBTCTTCO—TTITr m/z 43.05 32.62% miz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #62932: Silane, tetramethyl- 73

5000 P J f . J J . ) . I I , J I I J I I I I I 1 7.20 7.40 7.60 7.80 8.00 45 m/z 41.05 11.66% 15 ' * ! ‘ *'* ’ I ‘ ‘ ' I • ‘ ! 111 li ' I 53 59 1 88 rr 1 ■ I 1 1 ‘ ' i 1 1 ■ ■ i ' • ■ ■ i ' 1 • ■ i ■ 1 ' • i 1 ' miz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #292: N-Ethylformamide i 30 73 Tr UTFTTTII IIIII 11n 7.20 7.40 7.60 7.80 8.00 5000 m/z 44.95 11.53% 44 58

i 15 TI—BBnn—nn—mBT 141m—mmmTTT miz-> 10 20 30 40 50 60 70 80 90 100 110 120 Abundance #49423:1,3-Dioxolane. 2-(3-bromo-5,5,5-trichloro-2,2-dimet 1 1 ' ■ ' I ■ T ‘"i a 4111 * 73 7.20 7.40 7.60 7.80 8.00 m/z 71.00 6.61% 5000 45 .................. 36 .1,. 111 1 1 11 i ' 1111111 11 •1 ■ 55 67 1 i 1 • • ■ i ' 1 ■ • i ‘ Hr _______________ ‘ i ' 1 ■ • i • • ■ 1 i ‘ 109115 ' i • • • ■ i ' ‘ m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 7.20 7.40 7.60 7.80 8.00

LBA.D GCMS1126.M Fri Dec 28 15:07:23 2001 Page 1

NYC-WTC_000019055

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NYC-WTC_000019055Source: NYC Law Department, mirrored locally

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