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GCMS blank analysis results, sample AE11799, May 2002

Machine-extracted title · confidence 85%

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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Scanned page image, NYC-WTC_000012770
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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 13 6-Bromoquinaldine Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T. 34.86 0.57 ug/L 226501 Perylene-d12 34.66 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 6-Bromoquinaldine 221 C10H8BrN 000877-42-9 9 2 2-(2-Hydroxybenzylidene-amino)-3... 356 C23H20N2O2 1000147-86-3 9 3 Methanimidamide, N,N-dimethyl-N'... 221 C11H15N3O2 022259-30-9 9 4 Bis[4-(2,5-dimethyl-l-pyrrolyl)p... 356 C24H24N2O 1000225-09-3 7 Abundance Scan 5408 (34.854 min): 521 LB.D (-5406) (-) m/z 207.05 100.00% 207 356 149 44 _ 73 96 283 5000 260

.AA 34.60 34.80 35.00 35.20

miz-> 0— 0 -nodaoi 50 100 150 200 250 300 || 350 1 400 429 m/z 221.10 94.14% Abundance #88369:6-Bromoquinaldine 223

115 5000 142 34.60 34.80 35.00 35.20 m/z 223.10 91.80% 50 75 0- 4 .274 ’ ll 41 fi 11 169, 195, ... miz-> 0 50 100 150 200 250 300 400 350 Abundance #87998:2-(2-Hydroxybenzylidene-amino)-3-(N-me-N-(O-tolyl)... 221 356 7 34.60 34.80 35.00 35.20 5000 m/z 356.10 77.34% 91 65 , 134 178 .249

miz-> 0-T 0 -L, 1 I 1 i 50 100 150 200 250 1 300 350 400 Abundance #87896: Methanimidamide, N,N-dimethyl-N‘-[3-II(methylamino... ■ • i ■ ■ • ■ i 44 163 2211 34.60 34.80 35.00 35.20 m/z 96.20 71.09% 122 5000 65 93

| i . .4 J.s 1, Jr 183‘ i ‘ f ' ' i ‘ 0 1 ‘ ' i ‘ 1 ■ ' i ■ ■ ■ ■ i • ■

mfz-> 0 50 100 150 200 250 300 350 400 34.60 34.80 35.00 35.20

521LB.D 052202.M Tue May 28 11:58:06 2002 Page 16

NYC-WTC_000012770

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NYC-WTC_000012770Source: NYC Law Department, mirrored locally

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