GCMS results for unknowns, sample AD30606, Feb 2002

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GCMS analysis report for sample AD30606 showing detection of unknown compounds and surrogate recovery data from February 8, 2002.

NYC-WTC_000018858–000018869

Folder label: “GCMS X 12/17/01 A 12/22 - 12/23/01”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : M:\INSTRU~1\209\DATA\DEC2101\30606.D Vial: 19 Acq On : 23 Dec 2001 2:19 am Operator: 209 GALOS Sample : gc/ms scan 12/17 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 N-Ethylformamide Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

7.61 3.08 ug/1 1029060 1,4-Dichlorobenzene-d4 11.67 Hit# of 5 Tentative ID MW MolForm CAS# Qual

I N-Ethylformamd.de 73 C3H7NO 000627-45-2 9 2 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 3 Butane, 2-methoxy-2-methyl- 102 C6H140 000994-05-8 9 4 Pentane, 3-methoxy- 102 C6H140 036839-67-5 9 Abundance Scan 279 (7.608 min): 30606.D (-) m/z 73.00100.00% 73

5000 43 . 7.20 i ... 7.40 7.60 7.80 8.00 38.1 , 1 49 55 67, i , 87 103 0- ■................................ • i ■ ■ ■ 1 I ' 1 1 1 I 1 1 r' r ' 1 1 1 I ‘-l 1 । i 1 ’ r‘ ' ■ ■ i ‘ i ■ • • ■ i ■ i • 1 m/z 43.0, 29.55% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide 30 73 ...................... .... 5000 7.20 7.40 ' ‘ 7.60 “ 7.80 ' 8.00 ' 44 58 m/z 45.05 10.81% 15 .............................. mfz~> ...1 10 20 30 1 > *40i'I' +I50 ■ i ' 1 60 i ■ ‘ ■ ■ i • 1 • • i ■ ■ ■ ■ i ‘ ■ ■ ■ i • ■ ■ ■ i ‘ 70 80 90 100 110 Abundance #62932: Silane, tetramethyl- 73 OOOSETEI I’’IT"’’I44 7.20 7.40 7.60 7.80 8.00 5000 m/z 41.0,5 10.66%

45 15 , 53 59 88 • ■ i ■ 1 ■ • i ■ ■ ■ ■ i ■ • > > । I । > > l | i । i । । i'i i ■ । ■ ■ ■ ■ । ■ ■ • ■ । • ■ • ■ । k miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1761: Butane, 2-methoxy-2-methyl- TTrmnoaamT*rtnvr 713 7.20 7.40 7.60 7.80 8.00 m/z 71.0.0 6.77% 5000 55 87 45 27 33 I ■ ‘ i ■ ' ■ • i • • • ■ i 1 ■ • ■ i • • ■ ■ i • ' ‘'''I 1 1 1 1 I1 ' ■ ‘ i • ■ 1 1 1 1 1 1 1 I 1 1 1 1 1 1 1 jT dT । » । । > । 7 j i I’[T T"r’ j—r miz-> 10 20 30 40 50 70 80 90 100 110 7.20 7.40 7.60 7.80 8.00

30606.D GCMS1126.M Tue Jan 29 14:20:29 2002 Page 1

NYC-WTC_000018865

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GCMS results for unknowns, sample AD30485, Feb 2002 · Box DEP Box 16

NYC-WTC_000018870

GCMS analysis report for sample AD30485 showing detection of unknown compounds and surrogate recovery data from February 8, 2002.

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