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← Document results/DEP Box 25/GCMS X 4/25/02 A 5/7/02
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GCMS analysis results, sample AE09971, May 2002

Machine-extracted title · confidence 100%

Laboratory report for sample AE09971 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000044071–000044093

Folder label: “GCMS X 4/25/02 A 5/7/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\MSDCHEM\1\DATA\050602\9977.D Vial : 19 Acq On 7 May 2002 2:22 am Operator: Mclean Sample 4/25 Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 11 Formic acid, ethoxymethylen ... Concentration Rank 12

R.T. EstConc Area Relative to ISTD R.T. 30.98 0.23 ug/L 179517 Chrysene-dl2 30.81 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Formic acid, ethoxymethylene hyd... 116 C4H8N2O2 1000195-04-9 2 2 Urea, N,N’ -diethyl- 116 C5H12N20 000623-76-7/2 3 Acetamide, 2-amino-N-(1-methylet... 116 C5H12N20 067863-05-2 1 4 Urea, butyl- 116 C5H12N20 000592-31-4 1 Abundance Scan 4748 (30.976 min): 9977.D (-4747) (-) m/z 40.10 100.00% 43 vVRVWW

5000 116 207 84 । 239 30.60 30.80 31.00 31.20 31.40 ............... | , i , , ,1 I I | I I I I | I Dil I | ! > I । ............. | । 1 1 1 | T 11 -r । 'I r । > m/z 116.10 38.41%I m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 Abundance #584: Formic acid, ethoxymethylene hydrazide 29

116 5000 1 i ' 1 45 60 30.60 30.80 31.00 31.20 31.40 88 m/z 120.60 38.26%! 72

m/z-> 20 II I ' ' 1 1 1 1 40 . l1T80r 60 ■ - । 100 120 ■ 140 । 1 1 ■ ■ । 1 1 1 1 । 1 1 1 1 । 1 ■ ■ ■ । 1 ■ 1 1 i 1 1 1 1 । 1 1 160 180 200 220 240 Abundance #764: Urea, N,N‘-diethyl- 33

' i 1 1 1 ■ i 1 1 "Id’IIIII’IT’I 30.60 30.80 31.00 31.20 31.40 5000 44 m/ z 43.20 27.598 116

55 72 93 m/z—> Abundance I ' 11 1 T 1 ' 20

33 40 ' 1 1' ‘-'I'' 1’’ 60* 80 100 120 #709: Acetamide, 2-amino-N-(1-methylethyl)- 140 160 180 200 220 240 AMi/nnu“n_ । | ' t । । । 1171 i I I । । । । i—। । । । n 30.60 30.80 31.00'31.20 31.40 m/z118.05 19.82%

5000

43 116 58 72 86 99 | m/z-> —204 40 di ‘ ' U TI—P—B———W9———TTTITTT 60 80 100 120 140 160 180 200 220 240 TIT 1111’III) 30.60 30.80 31.00 31.20 31.40

9977.D 050102.M Tue May 07 15:54:24 2002 Page 15

NYC-WTC_000044090

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GCMS analysis results, sample AE09968, May 2002 · Box DEP Box 25

NYC-WTC_000043938

Gas chromatography-mass spectrometry analysis report for sample AE09968, detecting unknown compounds and 2,4-DDD surrogate with 78% recovery, dated May 9, 2002.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997

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