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GCMS blank analysis results, sample AE11799, May 2002

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Gas chromatography-mass spectrometry blank analysis for sample AE11799 showing results below method reporting limits for semivolatile organic compounds, dated May 28, 2002.

NYC-WTC_000012751–000012778

Folder label: “GCMS X 5-21-02 A 5-22-02

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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052202\521LB.D Vial: 3 Acq On : 22 May 2002 3:27 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 12 Pyrazolo[1,5-a]pyridine, 3,.. Concentration Rank 16 R.T. EstConc Area Relative to ISTD R.T. 34.81 0.44 ug/L 176182 Perylene-d12 34.66 Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 Pyrazolo[1,5-a]pyridine, 3,7-dim... 222 C15H14N2 017408-36-5 16 2 4-(3-Hydroxy-2,6,6-trimethylcycl... 222 C14H2202 097306-57-5 9 3 1,3-Benzodioxole, 5-[3-acetamino... 221 C12H15NO3 1000124-33- 9 4 5H-Benzo[b]pyran-8-01, 2,3,5,5,8... 222 C14H2202 097306-66/6 9 Abundance Scan 5400 (34.807 min): 521 LB.D (-5398) (-) m/z 207.00 100.00% 207 221

5000 73 132 118 191

264 295 pw""ry 147 34.40 34.60 34.80 35.00 35.20 0111 * i * 11 • * * । * *. ^ । > > i * । I m/z 221.10 97.12% 16k3 1 ■r r PPI i r i ■1 ■ * i ■ ■ ■ ■ i • ■ ‘ ■ i ■ • ■ ■ i • • • • i nfe-> 20 40 60 80 1(X) 120 140 160 180 200 220 240 260 280 300 Abundance #87872: Pyrazolo[1,5-a]pyridine, 3,7-dimethy-2-phenyl- J , 1 9 221

5000 51 77 92 145 207 L 34.40 34.60 34.80 35.00 35.20 m/z 132.20 73.20%

miz-> 0- l... ■ l ■ 20 40 . l . f |-rf r. | ’ *’!* 60 80 100 120 140 160 180 200 220 240 260 280 300 Abundance #84761:4-(3-Hydroxy-2,6,6-trimethylcyclohex-1-enyl)pent-3... 43 123 207

148 34.40 34.60 34.80 35.00 35.20 5000 222 m/z 118.10 63.98% 91 105 161 29 189 0- 44 44 444444175,444 1 n 1 ' | ' ‘ ‘ I ' 1 ‘ ' I ' ' 1 > I < miz-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 Abundance #87894:1,3-Benzodioxole, 5-[3-acetaminopropyl]- IT ■ i ■ ■ ■ ■ i ■ ■ 221 34.40 34.60 34.80 35.00 35.20 m/z 73.10 56.77% 135 162 | 43 73 5000

niz—> oV ,, .45644, „il41 plhIt 20 40 60 80 91 104 119 1 178191204 148 r nil ! H ■ if 100 120 140 160 180 200 220 240 260 280 300 1 • i ■ ■ ■ ■ i ■ ■1 ■ i ■1' ■ i • M 34.40 34.60 34.80 35.00 35.20

521LB.D 052202.M Tue May 28 11:58:04 2002 Page 15

NYC-WTC_000012769

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NYC-WTC_000012769Source: NYC Law Department, mirrored locally

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