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GCMS analysis results, sample AE07515, April 2002

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Laboratory report documenting GCMS analysis of environmental sample AE07515 conducted on April 11, 2002.

NYC-WTC_000047377–000047388

Folder label: “GCMS X 4/2/02 A 4/4/02

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\MSDCHEM\1\DATA\020404\07515.D Vial: 11 Acq On 4 Apr 2002 4:17 pm Operator: Nefliu Sample sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method C:\MSDCHEM\1\METHODS\SCAN020403.M (Chemstation Integrator) Title Method 508 GC/MS Scan Library C:\DATABASE\nist98.1

Peak Number 4 2,3-Butanedione Concentration Rank 2

R.T. EstConc Area Relative to ISTD R.T. 5.59 0.22 ug/1 156866 1,4-Dichlorobenzene-d4 10.66 Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 2,3-Butanedione 86 C4H602 000431-03-8 3 2 Ethanone, 1-oxiranyl- 86 C4H602 004401-11-0 3 3 2,3-Butanedione 86 C4H602 000431-03-8 3 4 2-Butanone, 3-methyl- 86 C5H10O 000563-80-4 3 Abundance Scan 427 (5.588 min): 07515.D (-421) (-) m/z 43.10 100.00% 43

5000 73 86; 125 5.20 5.40 5.60 5.80 6.00 49 ............. .......... Of TTTT—B0—-I2P0BTI-0—0—0-01—0—0—0——02——T—Hd m/z 73.10 23.91% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #110094: 2,3-Butanedione 43

5000 5.20 5.40 5.60 5.80 6 00 m/Z 86.00 11.57% 15 86

■n/z-> 01 .1 28 37 ! . 50 57 ' ' l ''I1........................pl 10 20 30 40 69 1 ■ ' I ■ ■ 1 ' i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ 50 60 70 80 ' I ' ' ' 1 1 1 ' ' 1 I 1 ' 1 ' I ' ■ ' ' I ' ' 90 100 110 120 130 MMMWANa Abundance #109927: Ethanone, 1-oxiranyl- 43 TTT ,14,11111111 5.20 5.40 5.60 5.80 6.00 5000 m/z 124.90 11.31%

71 86

mlz-> Of ........ 7 37,1 ,49.55,61. 10 20 30 40 50 60 TIE 70 .......... |........................................ ..... 80 90 100 110 120 130 Abundance #109129: 2,3-Butanedione 40 5.20 5.40 5.60 5.80 6.00 m/z 83.95 2.91% 5000 15 MPWMWytacko 86 0 .... 'It . , . ...... 'I - m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.20 5.40 5.60 5.80 6.00

NYC-WTC_000047386

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NYC-WTC_000047386Source: NYC Law Department, mirrored locally

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