GCMS analysis results for sample AD31677, Jan 2002

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Laboratory report for sample AD31677 documenting detection of unknown compounds and surrogate recovery on January 25, 2002.

NYC-WTC_000050334–000050348

Folder label: “GCMS X 1/3/02 A 1/22 - 1/23/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\5973N\02JAN23\31677.D Vial: 2 Acq On : 23 Jan 2002 3:46 pm Operator: Sample : 508 scan Inst : Instrumen Mise : January 22, 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 2 Benzene, methyl- (CAS) $$ T... Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 4.37 0.22 ug/L 72220 1,4-Dichlorobenzene-d4 9.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Benzene, methyl- (CAS) $$ Toluen... 92 C7H8 000108-88-3 91 2 Toluene 92 C7H8 000108-88-3 91 3 Benzene, methyl- (CAS) $$ Toluen... 92 C7H8 000108-88-3 86 4 Toluene $$ Benzene, methyl $$ Me... 92 C7H8 000108-88-3 86 Abundance Scan 87 (4.367 min): 31677.D (-) m/z 91.10 100.00% 91

5000 .............. J V.............. 1 4 14*41**** I ' ‘ ' 1 1 1 1 ' I ■ 39 45 51 65 4.00 4.20 4.40 4.60 4.80 n/z-> 0- 30 pamme 35 40 45 50 55 60 65 70 75 80 85 90 95 100 i • ■ i ■ ■ ■ ■ i • • m/z 92.10 59.95% Abundance #5539: Benzene, methyl- (CAS) $$ Toluene $$ CP 25 $$ Methy... 91

500) ...................... k..................... ' ' I ■ ' ‘ 1 T' 1 ' ' I1 1 ' ' 1 1 1 1 1 1 1 4.00 4.20 4.40 4.60 4.80 m/z 65.10 11.15% 45 51 6165 O+ TIIWTPTTTLTITTTTTPPTH '' 1'111' । miz-> 3035404550556065 70 75 808590 95 100 Abundance #5541: Toluene 91 1 1 1 1 1 ' ■ l ' ' ■ ■ i ■ ■ ■ ■ i ■ ■ • ■ i ■ 4.00 4.20 4.40 4.60 4.80 5000 m/z 39.10 8.80%

*51 65

01 37 51 61, । | Hpp niz-> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Abundance #5545: Benzene, methyl- (CAS) $$ Toluene $$ CP 25 $$ Methy... • • i ■ • • • i • > • • t • • • • i • • • • t < 91 4.00 4.20 4.40 4.60 4.80 m/z 63.00 6.07% 5000

39 0 *I99011***1u9mmTTmm—mmmmmtHt 61,65 76 ।1111111'1 ■ • i ■ ■ ■ ‘ i ■ • • ■ i ■ ■ ' • i ■ ■ ' ■ i ■ miz—> 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 4.00 4.20 4.40 4.60 4.80

31677.D SCAN508.M Thu Jan 24 09:57:38 2002 Page 4

NYC-WTC_000050341

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