GCMS analysis results, sample AE09973, May 2002

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Laboratory report for sample AE09973 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000044025–000044054

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

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Library Search Compound Report

Data File C:\MSDCHEM\l\DATA\050602\9973.D Vial 21 Acq On 7 May 2002 3:59 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 1,2-Propadiene Concentration Rank 16

R.T. EstConc Area Relative to ISTD R.T.

5.64 0.25 ug/L 178139 1,4-Dichlorobenzene-d4 9.94

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 1,2-Propadiene 40 C3H4 000463-49-0 12 2 1-Propyne 40 C3H4 000074-99-7 12 3 2-Butyne-1,4-diol 86 C4H602 000110-65-6 9 4 2-Butenal 70 C4H6O 004170-30-3 9 Abundance Scan 435 (5,635 min): 9973.D (-431) (-) m/z 40.10 100.00% WMMMwyW—WA—MWWv 4043 49 71 59 5000 74 86

1 ' 1 1 1 । ■ 1 1 ' । 1 ■ ■ ■ । ■ 1 । 1 1 5.20 5.40 5.60 5.80 6.00 " r 1" i " '111 i " 11 r " ' i " ""i"' । ■11 r i11 ■' । ।1" ■ ।■11 1 ■ ir ■111 ‘ m/ z 43.10 90.13% m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #1401:1,2-Propadiene 40

5000 37 ....... L 5.20 5.40 5.60 5.80 6.00 m/z 49.00 87.72% 12 15.29.462932— "WVWMM/noloatwprin 11111 — I I I I [ I I I I | i | 1 i | । । 1 । | । । > i | i > । ' | 1 I I । | >i । I | > ' । i | । ' ' । | i r ' ' | i

/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #1402:1-Propyne 40 1’11 5.20 5.40 5.60 5.80 6.00 5000 m/ z 39.10 82.02%

37 13 2528 । । 1 । । r r । |"r I I I । । । । । j । । । i | I I । । । । । । । । I 1111 r 111111111" 111 " " r 1 " r 111 r 111 r " 11 i " " i' m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #108388: 2-Butyne-1,4-diol -PI 29 39 57 5.20 5.40 5.60 5.80 6.00 m/ z 41.10 79.82%

5000 68 26 51 43

TT i111 ‘ i 11 +3336 1147 460..65+ 717477 81 85...... 111 - > > 111 > ■ 1 ■11 r 11" ’ 1111111 ] i I I r [ r i i 1 । i । I i । i I II tel

m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 5.20 5.40 5.60 5.80 6.00

9973.D 050102.M Tue May 07 15:52:03 2002 Page 15

NYC-WTC_000044044

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NYC-WTC_000044044Source: NYC Law Department, mirrored locally

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NYC-WTC_000043893

Laboratory report for sample AE09771 showing surrogate recovery and unknown compounds from May 9, 2002.

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