GCMS blank analysis results for sample AD29228, January 2002

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Blank analysis report for GCMS testing of sample AD29228 conducted on January 10, 2002.

NYC-WTC_000049795–000049804

Folder label: “GCMS X 1/2/02 A 1/3 - 1/4/02”

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NYC 9/11 Public Portal Document Library Search Compound Report Data File C:\HPCHEM\l\DATA\JAN0302\29228.D Vial: 20 Acq On 4 Jan 2002 5:04 am Operator: 209 GALOS Sample gems scan 1/2 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 Silane, tetramethyl- Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 7.47 4.69 ug/1 1172420 1,4-Dichlorobenzene-d4 11.80

Hit# of. 5 Tentative ID MW MolForm CAS# Qual

1 Silane, tetramethyl- 88 C4H12Si 000075-76-3 47 2 3 -Pentanol/3-methyl- 102 C6H140 000077-74-7 28 3 1,3 -Dioxolane, 2-pentadecyl- 284 C18H36O2 004360-57-0 9 4 Pentane,<3-methoxy- 102 C6H140 036839-67-5 9 Abundance Scan 264 (7.471 min): 29228.D (-) m/z 73.00 1 00.00% 73

5000 43 -TBnpma——B—/DBgT

0- .. 1157, , 87 103 ....... 7.20 7.40 7.60 7.80 l | | > I I > 7'T l l I m/z 43.00 32.48% m/z-> 20 40 60 80 100 120* 140 160 180 200 220 240 260 280 Abundance #62932: Silane, tetramethyl- 73

5000 • • ■ ■ 1 1 ‘ ■ 1 1 ■ ■ ■ i ■ ■T • i ■ • ■ ■ 7.20 7.40 7.60 7.80 45 m/z 45.0.0 11.95% 15____ !J 59 1 88 i ’ ■ ii ■ 1111 • • i • • ■ • i i i । < < > i J- i l < • । 1144* l. k .. 1. .» IJ..». J. , miz-> 20 40 60 801 100 120 140 160 180 200 220 240 260 280 Abundance #63573; 3-Pentanol, 3-methyl- 73 T . > । n। , ,*I***14*1* 7.20 7.40 7.60 7.80 5000 m/z 41.00) 11.44% 55

m/z-> ..241 60 ‘ 80 100 ‘120 140' 160 180' ‘266' 226 ‘ 246' 260 280 ' 20 * 40 87

Abundance #40191: 1,3-Dioxolane, 2-pentadecyl- rrrnrT’O 11*4* TTm | "1-1 | | 73 7.20 7.40 7.60 7.80 m/z 71.0,0 6.63% 5000

43 57 ‘ 11** I’ ‘ ‘I‘ i»i 11 86 । 99। । > 11 "TTT‘ i ।» 256 283 • I ‘ ‘ ‘ 11 ■ ' •' I • ‘ ‘ ‘ I ‘ ‘ I ' '' ■ I‘ • 1 . r । r । i . i ■ । m-, । , ■ m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 7.20 7.40 7.60 7.80

29228.D GCMS0103.M Fri Jan 11 08:28:19 2002 Page 1

NYC-WTC_000049802

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