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GCMS blank analysis results for sample AE00275, Jan 2002

Machine-extracted title · confidence 90%

Laboratory report documenting GCMS blank analysis to verify system cleanliness during January 8-10, 2002 testing.

NYC-WTC_000051024–000051039

Folder label: “GCMS X 1/7/02 A 1/8/02

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Scanned page image, NYC-WTC_000051034
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NYC 9/11 Public Portal Document

Library Search Compound Report . Data File : C:\MSDCHEM\1\5973N\02JAN08\00275.D Vial: 1 Acq On : 8 Jan 2002 3:24 pm Operator: Sample : 508scan Inst : Instrumen Mise : January 8, 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 5 Formamide, N-methyl- Concentration Rank 8 R.T. EstConc Area Relative to ISTD R.T. 9.85 0.11 ug/L 33830 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Formamide, N-methyl- 59 C2H5NO 000123-39-7 4 2 Formaldehyde O-methyloxime $$ Fo... 59 C2H5NO 062479-73-6 4 3 Propanoic acid, 2-hydroxy-2-meth... 118 C5H10O3 002110-78-3 4 4 Butane, 2-methoxy- $$ Ether, sec... 88 C5H120 006795-87-5 4 Abundance Scan 567 (9.847 min): 00275. D (-) m/ z 59.10 100.00% 59

5000

45 73 A) m/z 9.60 9.80 45.00 ‘ I’ -A 10.00 10.20 13.74% 0-m I........ I i ■ ■ ■ ' i 1 ' 1 ■ i ■ mfe-> 10 20 30 40 50 60 70 80 ' 90 100 110 120 Abundance #633: Formamide, N-methyl- 59

5000 TT 9.60 9.80 10.00 10.20 m/ z 43.00 9.12% u

n/z-> 0- 10 20 . ....... 30 40 43..... 50 । (60 ' I ' ' ■ i ' ' 1 ' 1 1 1 ' ' i ■ ' ' ' i ' ' ' 1 i ■ ' ' ' i ' ' 70 80 90 100 110 120 Abundance #642: Formaldehyde O-methyloxime $$ Formaldehyde, 0-methyl... 59 1 1 11 ■ > ■1 1 TTTur 9.60 9.80 10.00 10.20 5000 m/z 73.10 8.98% 44 31

----- 0' TTTTTTT । . ...... । I [ • • ■ ■ i • • ■ • i • ■ ■ ■ i ■ < ■ » j ■ ■ ■ ■ i ■ ■ ■ > 1 1 >

n/z-> 10 20 30 40 50 (60 70 80 90 100 110 120 Abundance #17618: Propanoic acid, 2-hydroxy-2-methyl-, methyl ester... 59 9.60 —A A 9.80 10.00 10.20 1 i ■ 1

m/z 42.10 8.13%

5000 31 15 45

m/z-> 0 1 ' i 1 1 1 n 1 1 10 20 -mmm— 73 1 • । • •' 85 । ■ • ■ ■ । ‘ 103 mmm 118 A TTr 30 40 50 60 70 80 90 100 110 120 9.60 9.80 10.00 10.20

0275.D SCAN508.M Wed Jan 09 15:11:00 2002 Page 7

NYC-WTC_000051034

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NYC-WTC_000051034Source: NYC Law Department, mirrored locally

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