GCMS laboratory blank results, sample AE11555, May 23-29, 2002

NYC 9/11 Public Portal Document a245* X wBp/V/U*it Apa, L

Data File : C:\MSDCHEM\l\DATA\052902\LBB0529.D Vial: 15 Acq On : 29 May 2002 1:53 pm Operator: Bohlk / Inst 213 ■■ Sample : LB 5/23/02 Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1\5973N\052802.M (RTE Integrator) Title : Quantitation For Method 525.2 2** Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 9 Heneicosane $$ n-Heneicosane Concentration Rank 9

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

21.96 0.07 ug/L 102352 Phenanthrene d-10 22.51 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Heneicosane $$ n-Heneicosane 296 C21H44 000629-94-7 72 2 Decane, 3,8-dimethyl- 170 C12H26 017312-55-9 72 3 Tricosane (CAS) $$ n-Tricosane 324 C23H48 000638-67-5 72 4 Tetratriacontane $$ n~Tetratriac... 479 C34H70 014167-59-0 72 Abundance Scan 1200 (21,960 min): LBB0529.D (-) m/z 71.10 100.00% 71

5000 99

169 127 MAdMMMy 21.60 21.80 22.00 22.20 O-mponpo m/z 57.10 84.30% Tguuug—nuu—un—"muu—mnmemp—ana53T miz-> 20 40 60 80 100120140160180200220240260280 300 320 Abundance #245745: Heneicosane S3 n-Heneicosane 57

5000 85 ApAAA/MW 21*60 21.80 22.00 22.20 ~ m/z 85.10 75.42% 29 113 . 0- mp J ,171, 169 197 225 253 ir {n jifn-H11hnf11rt t(fnq»irt pm।H}n u।rm 296 m/z-> 20 40 60 80 100120140160180200220240260280300 320 Abundance #74440: Decane, 3,8-dimethyl- 57 AAAAAEM/JA 21.60 21.80 22.00 22.20 ' ~ 85 m/z 99.10 34.51% 5000

113 141 0- mTTTT Il.... »t-rt)1170 f.।(।।।t.... t...» m/z-> 20 40 60 80 100120140160180200220240260280300 320 Abundance #275685: Tricosane (CAS) $$ n-Tricosane 57 21.60 21.80 22:00 22:20 m/z 113.20 28.97%

5000 85

. 113 28

m/z—> 0 ml J J 141 J 1hfr IrI‘ A r i A,।169 ch i ri r. 211 n1) i > ?> 267 i rt 11 f i 239 20 40 60 80 100120140 160180 200 220 240 260 280 300 320 ri 111 r>324 (il 11 f 11295 । 11 21.60 21.80 22.00 22.20

BB0529.D 052802.M Mon Jun 03 15:47:29 2002 Page 11

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