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GCMS blank analysis results for sample AD29932, Dec 2001

Machine-extracted title · confidence 100%

Gas chromatography-mass spectrometry blank report for sample AD29932 analyzing nitrosamines and chlorinated compounds on December 18, 2001.

NYC-WTC_000037219–000037234

Folder label: “GCMS X 12/11/01 A 12/18/01

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Scanned page image, NYC-WTC_000037225
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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\l\DATA\DEC1801\LB.D Vial: 6 Acq On 18 Dec 2001 8:58 pm Operator: 209 GALOS Sample : gc/ms scan 12/11 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 1,3-Dioxolane, 2-methyl- Concentration Rank 1

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

7.60 3.24 ug/l 846690 1,4-Dichlorobenzene-d4 11.67

Hit# of 5 entative ID MW MolForm CAS# Qual

1 1,3-Dioxo lane, 2 -me thyl- 88 C4H802 000497-26-7 9 2 N-Ethylfo rmamide 73 C3H7NO 000627-45-2 9 3 Silane, t etramethyl- 88 C4H12Si 000075-76-3 9 4 3-Pentanol,. 3-methyl- 102 C6H140 000077-74-7 9 Abundance Scan 279 (7.602 min): LB.D (-) m/z 73.00 100.00%| 73

5000 43 7.20 7.40 7.60 7.80 8.00 50 55 61 67, । 4........ 87 ...........103 , 0 3444 | nndpnnmmm m/z 43.00 28.09% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62902: 1,3-Dioxolane, 2-methyl- 73

5000 43

27 i । 58 87 m/z 11(T 7.20 7.40 7.60 7.80 8.00

' 1 i 1 ' ' ' I ■ ■ 1 —I ————— ' 1II—B—B—/T . ... । .—i m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #292: N-Ethylformamide 30 73 7.20 7.40 7.60 7.80 8.00 5000 m/ z 41.05 10.32% 44 58 15 ‘ 1 I ' ' > ' i > ' ' J | ' ' ■ ' | । । । ' ' ■ > । ■ ■ • ■ । ' । । | I । । T|-rrri-| i i i i । i i 10 20 30 40 50 60 70 80 90 100 110 Abundance #62932: Silane, tetramethyl- TTTar 1———— 7l3 7.20 7.40 7.60 7.80 8.00 m/ z 71.0,0 6.60% 5000-

45 15 ................... ........................... m/z-> 10 20 30 40 50 60 70 - ■ 80 .8890........ 100 110 7.20 7.40 7.60 7.80 8.00

LB.D GCMS1126.M Tue Jan 15 09:56:23 2002 Page 1

NYC-WTC_000037225

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NYC-WTC_000037225Source: NYC Law Department, mirrored locally

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