GCMS analysis results for sample AD31671, Jan 28 2002

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Laboratory report showing GCMS analysis of sample AD31671 including unknown compounds and surrogate recovery data.

NYC-WTC_000050024–000050038

Folder label: “GCMS X 1/3/02 A 1/17/02”

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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\5973N\02JAN17\31671.D Vial: 6 Acq On : 17 Jan 2002 6:59 pm Operator: Sample : 508 scan Inst : Instrumen Mise : January 17, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1... \SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 1 Butanoic acid, methyl ester... Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 3.60 0.16 ug/L 53437 1,4-Dichlorobenzene-d4 9.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 2 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 3 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 78 4 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 74 Abundance Scan 20 (3.602 min): 31671 .D (-) m/z 43.10 100.00% 43 74

5000 59 87 jodpomopumagagui 3.50 3.60 3.70 3.80 3.90 4.00 0- 1111* m/z 74.10 94.08% ntz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9220: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43

15 74 5000 27 3.50 3.60 3.70 3.80 3.90 4.00 59 m/z 71.10 70.78% 87 0- ‘ | • 4 • J » • ‘ • | 33 U’i | ■ Ji i'| ■ I I ■ 1+ 1 1 i ■ ■ ■ I ■ i ■ ■ ■ ' 102 l’i >'• | i 1 1 ■ ■ i m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9227: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74

3.50 3.60 3.70 3.80 3.90 4.00 5000 m/z 41.10 36.79% 59 87 69 102 0- ■ ' i ■ ■ ■ ■ i ■ 1 1 ■ i 1 ■ ‘ ■ I I'1 1 i ■ • ■ ■ i ■ H + 11 i 1 1 ■ ■ I‘ 1• ‘ i 1 ■ ■ ■i n/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #9224: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 A 3.50 3.60 3.70 3.80 3.90 4.00 m/z 59.10 29.30% 74 5000 27 59 87

0 ...... 33 69 • i ■ ■ ■ ■ i ■ • ■ ‘‘i + 102 .. ।.... ।।.... 11।. >., ।.... । ’ 11*4*1**** 1* ■ • i ■ ■ i ' ■ ' • i ■ ■ • * i i ‘ ‘ ■ i miz—> 10 20 30 40 50 60 70 80 90 100 110 3.50 3.60 3.70 3.80 3.90 4.00

31671.D SCAN508.M Tue Jan 22 08:37:26 2002 Page 3

NYC-WTC_000050030

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GCMS analysis results for sample AD31585, Jan 28 2002 · Box DEP Box 28

NYC-WTC_000049902

Laboratory report showing GCMS analysis of sample AD31585 including unknown compounds and surrogate recovery data.

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