GCMS blank analysis for sample AE00555, Jan-Feb 2002

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Laboratory report showing GCMS blank analysis results for sample AE00555 conducted between January 29 and February 1, 2002.

NYC-WTC_000051512–000051530

Folder label: “GCMS X 1/9/02 A 1/29/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\5973N\02JAN29\0109B.D Vial : 1 Acq On : 29 Jan 2002 10:31 am Operator: Sample : lab blank 1/9 Inst : Instrumen Mise : January 29, 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 9 2-DIMETHYLAMINO-4,5-DIMETHY... Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T. 16.55 0.03 ug/L 22910 Acenaphthene-dl0 18.34 Hit# of 5 Tentative ID MW MolForm " CAS# Qual

1 2-DIMETHYLAMINO-4,5-DIMETHYLOXAZ... 140 C7H12N2O 073777-29-4 9 2 2-Dimethylamino -4,5-dimethyl-oxa... 140 C7H12N2O 000000-00-0 9 3 3-Pyridinecarboxylic acid, 1,2,5... 155 C8H13NO2 000063-75-2 9 4 2-Hydroxy-5-nitropyridine $$ 5-N... 140 C5H4N2O3 005418-51-9 7 Abundance Scan 1154 (16.549 min): 0109B.D (-) m/z 140.20 100.00% 140

5000 172 122 43 16.'20 16.40 16.60 16.80 ' - 11'11111111 ■ ■ । ■ ■ ■ ■ i ■' ■' i '111' m/z 172.20 30.80% /z—> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #35418: 2-DIMETHYLAMINO-4,5-DIMETHYLOXAZOLE $$ 2-Oxazolami... 140

44 5000 56 TT 125 16.20 16.40 16.60 16.80 72 97 111 m/Z 136.10 23.82%

"TTT I '' I1 ' 'I' ''' I T‘ ‘‘I ■ ' i' ■ ■ ■ i ■'1' i ■ ■ ' ■ i1 ■ ■ • । ■ ■ ■ ' । m/z-> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #35431:2-Dimethylamino-4,5-dimethyl-oxazole 140 Trru ' f ’ ' 11 > > > 11'1Ii 16.20 16.40 16.60 16.80 5000 44 56 111 m/z 138.10 23.08% 72 125 97

1 r ■ ■ i ■ > i ■ ■ +1PPPPp j__________________________ ■ ■ ■ ■ । ■ 11 ■ ■1 ■ j ।11 >-r> n/z-> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #54080: 3-Pyridinecarboxylic acid, 1,2,5,6-tetrahydro-1-me... 96 1-0 16.20 16.40 16.60 16.80 m/z 122.00 23.02%

5000 81 53 155 124

/z-> 30 ■ < - ■ i > •> ■ i 40 50 -I-.. II. mnl 1 1 i ■ । । ■ । < 1 ■ ■ i1, ■ ■ « । I 60 70 80 90 100 110 120 130 140 150 160 170 1 ■ 11 1 1 11 ■ ■ ■ ■ i ■ ■' 11'

16.20 16.40 16.60 16.80

)109B.D SCAN508.M Wed Jan 30 09:02:34 2002 Page 11

NYC-WTC_000051525

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NYC-WTC_000051525Source: NYC Law Department, mirrored locally

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