GCMS blank analysis results, Feb 7, 2002

Machine-extracted title · confidence 100%

Laboratory report of a GCMS blank run performed on February 7, 2002, to verify absence of contamination.

NYC-WTC_000016285–000016292

Folder label: “GCMS X 12/28/01 A 1/17/02”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\JAN1602\LB.D Vial: 4 Acq On : 16 Jan 2002 2:34 pm Operator: 209 GALOS Sample : gc/ms scan 12/27 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\l\METHQDS\GCMS0103.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 1,3-Dioxolane, 2-methyl- Concentration Rank 1

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

7.44 4.54 ug/1 988284 1,4-Dichlorobenzene-d4 11.50

Hit# of 5 Tentative ID MW MolForm CAS# Qual l 1,3-Dioxolane, 2-methyl- 88 C4H802 000497-26-7 9 2 1-But anamine, 3 -methyl - 87 C5H13N 000107-85-7 9 3 Silan e, tetramethyl- 88 C4H12S1 000075-76-3 9 4 3-Pen.tanol, 3 -methyl - 102 C6H140 000077-74-7 9 Abundance Scan 261 (7.437 min): LB.D (-) m/z 73.0,0 100.00% । 73

5000 43 i ' ■ ■ ‘ i ' ■ ■ ■ i ■ • ■ ■ i'1 ■ 1 ‘ i 1 ■

87 7.00 7.20 7.40 7.60 7.80 .......... 38,11,1 50 55, 60 , 67, । , ' • i ' ■ ' “ i ‘ ‘ ' i ' ' ' 1 1 1 1 ■ ■ i ■ ' ' 1 i • ■ • ■ I ‘ 1 ■ ‘ i ■ ■ ‘ ‘ i ■ ■ ■ 1 I 103 1 1 I ' m/z 42.9,5 32.63% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62902:1,3-Dioxolane, 2-methyl- 73

5000 43 I * ‘ ‘ ’I T ‘ » • f ‘ ‘ i > gkk. » j i i » 7.00 7.20 7.40 7.60 7.80 58 m/z 44.9,5 12.33% 27 87 i1- -i" —————— m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #763. 1-Butanamine, 3-methyl- 30 i • - • • । । -118/1/6/211/1/80/5.8 7.00 7.20 7.40 7.60 7.80 5000 m/z 41.0,0 11.61%

15 41 55 70 87 1 1 * i 1 ■ • 1 I ■ ■ • ■ i ' • ■ ' i ■ ■ ■ • i ‘ ■ i 1 ‘ 1 • i 1 1 1 1 1 ' 1 ■ ‘ i ‘ 1 1 ' i ■ • ■ ■ i ' miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #845: Silane, tetrameth - 7.00 7.20 7.40 7.60 7.80 m/z 71.0,0 6.66% 5000

45 15 31 , ,1 55 88 ‘ . t . . * * i . . . . i . » « • । I I 1 • । » • ■'! । .... । । ' • i ‘ ■ i ■ • ■ 1 I ' 1 • 1 i 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.00 7.20 7.40 7.60 7.80

LB.D GCMS0103.M Thu Feb 07 12:43:58 2002 Page 1

NYC-WTC_000016291

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NYC-WTC_000016506

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