GCMS blank analysis results, Sample AE04417, Mar 2002

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Laboratory report for GC/MS blank analysis of sample AE04417 conducted on March 22, 2002.

NYC-WTC_000012295–000012304

Folder label: “GCMS X 3-1-02 A 3-21-02”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\MAR2102\LB.D Vial: 3 Acq On : 21 Mar 2002 1:15 pm Operator: Sample : gc/ms scan 3/1 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS0308.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 Silane, tetramethyl- Concentration Rank 1

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

8.14 2.03 ug/1 307411 1,4-Dichlorobenzene-d4 12.26

Hit# of 5 / Tentative ID MW MolForm CAS# Qual 1 Silane, tetramethyl- 88 C4H12Si 000075-76-3 25 2 N- Ethyl formami de 73 C3H7NO 000627-45-2 9 3 3-Pentanpl, 3-methyl- 102 C6H140 000077-74-7 9 4 Pentane,! 3-methoxy- _ 102 C6H140 036839-67-5 9 Abundance Scan 337 (8.141 min): LB.D (-) I m/z 72.9,5 100.00% 73

5000 43 ........ > i * 4’ । ■■■• । 87 7.80 8.00 8.20 8.40 ........................... 38.1—,1—1— ■ ■ । • ■ ■ 1 i 1 1 1 ■ i 1 ■ 1 1 50 55, 67, i + 1 i 1 ■ ' 1 i ' ■ ' • i ■ ■ ■ ■ i ‘ 103 m/z 43.05 28.60% m/z~> 10 20 30 40i 50 60 70 80 90 100 110 Abundance 3#62932: Silane, tetramethyl- 73 5000 rr I"1 1 11 r1111111 II8 I I I I 7.80 8.00 8.20 8.40 45 m/ z 10.01% 15 1 53 59 88 ‘ ' i ■ ■ ■ ‘ i ■ ■ • ■ i 1 • ' ■ i ‘ 1 • ' i ■ ■ TIIT ■ ■ i ■ ‘ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #202. N-Ethyiformnemride 30 73 1*111a ■ i ■ ■ ■ 1 i ■ ■ ■ ■ IT’"’* i 7.80 8.00 8.20 8.40 5000 m/ z 45.0,5 9.70% 44 58 15 I*I****I*I**I/*2G11 , I miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #63573: 3-Pentanol, 3-methyl- 14 114+14* ■ । ■ • ■ ■ । 73 7.80 8.00 8.20 8.40 m/ z 71.0.0 6.69% 5000

45 55 27 87 ' ‘ i ' ‘ 39.1.. 1... , I , ' ' i ' ■ ■ • i ■ ■ ‘ ■ ’*I’ ' l ‘ ‘ ‘ ‘ I ' ' 1 1 ■ i ■ ■ ■ ■ i ■ ■ 1 ■ i ' ■ • ■ i ■ ' ' i ‘ ' 1 i ‘ ‘ ' i ‘ ‘ ■ ■ i ' ' 1 ' i miz-> 10 20 30 40 50 60 70 80 90 100 110 7.80 8.00 8.20 8.40

LB.D GCMS0308.M Fri Mar 22 09:47:14 2002 Page 1

NYC-WTC_000012301

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