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← Document results/DEP Box 16/GCMS X 12/31/01 A 1/18/02
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GCMS sample analysis report, Feb 2002

Machine-extracted title · confidence 80%

Gas chromatography mass spectrometry report documenting analytical results for environmental samples processed in mid-February 2002.

NYC-WTC_000016625–000016634

Folder label: “GCMS X 12/31/01 A 1/18/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C: \HPCHEM\ 1 \DATA\JAN1 802\31504.D Vial: 12 Acq On : 19 Jan 2002 2:21 am Operator: 209 GALOS Sample : gc/ms scan 12/31 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS0103.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.

7.45 3.08 ug/1 747726 1,4-Diehlorobenzene-d4 11.50

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 N-Ethylformamide 73 C3H7NO 000627-45-2 9 2 Butane, 2-methoxy- 2-methyl - 102 C6H140 000994-05-8 9 3 Silane, tetramethyl - 88 C4H12S1 000075-76-3 9 4 Pentane, 3 -methoxy- 102 C6H140 036839-67-5 9 Abundance Scan 262 (7.447 min): 31504.D (-) m/z 73.00 100.00% 73

5000 43 ‘ ‘ i ‘ ' 1 'T‘ 1 1 1 1 1 1 T-r-p-r 7.20 7.40 7.60 7.80 ' ................. ................... .. .11 ■ ■ 50i ■ 55 , . 67, 1 , 87 103 ■ •' 1 i ■ ■ > • l * ' ■ ■ i • ■ l'‘ i ■ • ■ • i ■'■ ■ ■ i • 1 m/z 43.05 33.15% m/z~> 10 20 .. 30 40 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide 30 73

5000 ’ I*’**I**I’’ •i • ■ 58 7.20 7.40 7.60 7.80 44 m/z 41.0.0 11.59% ...35.. ‘ ‘ I 1 ■ ' ‘ I ' ' ' । ■ ■ ■ ■ । ‘1 ■ • । ■ ■ ■ ■ । ■ ■ ■ ■ । •1 ■ ■ i ■ ■ m/z-> 10 20 30 40__ 50____ 60 70 80 90 100 110 Abundance #1761; Jutane, -e moxy-z-ne:hvi- 73 •11 rT • r * n * * *» r* * • u 1 1 7.20 7.40 7.60 7.80 5000 m/z 44.95 11.53% 55 87 45 1 • i ‘ 27 33 • i 1 ■ ■ ■ i ■ ■ ■ ■ i ■ • ' 1 i ■ ■ ■ ■ i ■ • ■ ■ i ■ ■ ■ ■ i • ■ ■ ■ i ‘ ■ i ■ ■ ' ' i ■ ‘ m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62932: Silane, tetramethyl- 73 ■ M r,7.40 . ■ 7.20 i ■ ■ 7.60orr 7.80 ■• m/z 71.00 6.22 5000

45 15 , .1 53 59 88 TIITT ■ ' i ■ ‘ ■ i • • • ■ i ' ■ • ■ l ■ 1 T02mPTTTT m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7.80

31504.D GCMS0103.M Wed Feb 06 15:38:24 2002 Page 1 NYC-WTC_000016632

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NYC-WTC_000016632Source: NYC Law Department, mirrored locally

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