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Document / 11 pages

GCMS blank analysis for sample AE00314, Jan 15 2002

Machine-extracted title · confidence 100%

Laboratory report documenting a method blank analysis to verify absence of contamination during gas chromatography-mass spectrometry testing.

NYC-WTC_000051353–000051363

Folder label: “GCMS X 1/8/02 A 1/11/02

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Scanned page image, NYC-WTC_000051358
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Library searcn compound Keporc

Data File : C:\MSDCHEM\1\5973N\02JAN14\0108BA.D Vial: 1 Acq On : 14 Jan 2002 10:28 am Operator: Sample : lab blank 1/8 a Inst : Instrumen Mise : January 14, 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 1 2-Butenal, 3-methyl- (CAS) ... Concentration Rank 3

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

4.84 0.24 ug/L 69729 1,4-Dichlorobenzene-d4 9.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H80 000107-86-8 64 2 2-Butenal, 3-methyl- $$ Crotonal... 84 C5H80 000107-86-8 64 3 Furan, 2,3-dihydro-4-methyl- (CA... 84 C5H8O 034314-83-5 59 4 2-Butenal, 3-methyl- 84 C5H80 000107-86-8 53 Abundance Scan 128 (4.835 min): 0108BA. D (-) m/z 84.05 100.00% 84

55 5000 41 59 51 36 ...... 4.40 4.60 4.80 5.00 5.20 01 ■ i ■ ■ ------ ■ i ■11 ■ i1 m/ z 55.10 60.66% m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Abundance #3221:2-Butenal, 3-methyl- (CAS) $$ 3-Methyl-2-butenal 84 55

39 5000 27 4.40 4.60 4.80 5.00 5.20 m/ z 83.10 47.27%

n/z-> Of ■111 ■1 ■ i1 TPTTH ++ lamm— 0- 44 51 1

20 25 30 35 40 45 50 55 60 65 70 75 80 85 69 111 ■'111 90 Abundance #3222: 2-Butenal, 3-methyl- $$ Crotonaldehyde, 3-methyl- $... 84 55 4.40 4.60 4.80 5.00 5.20 39 m/z 41.10 44.06% 5000 27

m/z-> +ZHH 01 ■ । ■ ■ ■ ■ । > ■ i ■ ■ ■ • i' I ■ 20 25 30 35 40 45 50 55 60 65 70 75 80 85 69 HTP ■ i' ' ' 1 i 90 ..................................................... . ................. ■■■■ Abundance #3351: Furan, 2,3-dihydro-4-methyl- (CAS) $$ 4-METHYL-2,3-. 56 84 4.40 4.60 4.80 5.00 5.20 m/z 59.00 41.68%

5000 41

m/z-> 0 20 25 30 35 40 44 45 51

50 55 >11 ■1 >111 > ■ 11 ■ > ■ ■ l ■ । ■ t • •

60 65 69

70 75 80 —85PPP 90 ... 4.40 4.60 4.80 A 5.00 5.20

0108BA.D SCAN508.M Tue Jan 15 08:47:57 2002 Page 3

NYC-WTC_000051358

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NYC-WTC_000051358Source: NYC Law Department, mirrored locally

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