GCMS analysis results for sample AE10896, May 21 2002

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Laboratory report detailing GCMS analysis of sample AE10896 conducted on May 21, 2002, including surrogate recovery data.

NYC-WTC_000024083–000024099

Folder label: “GCMS X 5/10/02 A 5/16/02”

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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\051602\10896.D Vial: 9 Acq On : 16 May 2002 9:03 pm Operator: Mclean Sample : 5/10 eh 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 1 Toluene Concentration Rank 6 R.T. EstConc Area Relative to ISTD R.T. 4.33 0.27 ug/L 202148 1,4-Dichlorobenzene-d4 9.94 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Toluene 92 C7H8 000108-88-3 72 2 Toluene 92 C7H8 000108-88-3 772 3 Toluene 92 C7H8 000108-88-3 72 4 Toluene 92 C7H8 000108-88-3 64 Abundance Scan 213 (4.331 min): 10896.D (-207) (-) m/z 91.10 100.00% 91

5000

' ' i ‘ ‘ ‘ i ‘ ‘ .M. ■ ‘ I 1 ‘ ‘ 1

m/z-> 0 3845 49 58 65 m + 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 86 I 1' i ■ ■ ■11" 95 100 4.00 m/ z 4.20 92.10 4.40 4.60 75.48% Abundance #37326: Toluene 91

.............. ...................................... 5000 4.00 4.20 4.40 4.60 m/z 39.10 13.14% 27 31 39 45 51 57 61,65 7377 86 ., 0 I " " 11 Fri 1111 j 11111 [ 11' 11111.[ 11111 ij. 11' 111111111 ij ■ 11.11111 ■ ITM ., 11 —TPT miz-> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Abundance #117292: Toluene 91 ....... 1 I ' ' ■ 1 I ' ' ' ' I 4.00 4.20 4.40 4.60 5000 m/z 49.10 12.85%

0 ’IT 27 I■ 39 J 45 E ? 55 !'' ■' I'11111 ■'' I'' " 1111' I 65 61| | 73 77 86 , ' 1111111''' I'' " I' " ' I,',' 1' " 11 1111 ■111 ■1 *M."yMLaanspoww n/z-> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Abundance #117282: Toluene 1 ■ । ■ 1 1 1 i ■ 1 ' ' I ' ' ‘ ' I 91 4.00 4.20 4.40 4.60 m/ z 65.10 10.35%

5000

27 39 E 51 65 45 ,1 61 I I 73 77 86 , -PP 0 mIpmp ....... J111 > l ■ H ■ ■ ■ 1111 ■ | r-., 1111111,,, ।,,,, . ........ . .......... . ' ■ i ■ ■ ■ ■ i ■ 1 ■ ■ i ■ ' ■ ■ i ■ ' ■ ■ । n/z-> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 4.00 4.20 4.40 4.60

10896.D 050102.M Fri May 17 15:04:37 2002 Page 4

NYC-WTC_000024091

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NYC-WTC_000024091Source: NYC Law Department, mirrored locally

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