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GCMS analysis results, sample AE07972, April 18, 2002

Machine-extracted title · confidence 80%

Gas chromatography-mass spectrometry analysis of sample AE07972 documenting other unknown compounds and a 2,4-DDD surrogate recovery value of 76.

NYC-WTC_000047535–000047550

Folder label: “GCMS X 4/4/02 A 4/15/02

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\MSDCHEM\l\DATA\020415\07972.D Vial: 12 Acq On : 15 Apr 2002 7:47 pm Operator: Nefliu Sample : sample Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method C:\MSDCHEM\1\METHODS\041202SCAN.M (Chemstation Integrator) Title 508 Modified GC/MS scan Library C:\DATABASE\NIST98. L Peak Number 6 2-Propanone, 1,1,1-trichloro- Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 6.04 0.67 ug/L 533282 1,4-Dichlorobenzene-d4 9.99 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Propanone, 1,1,1-trichloro- 160 C3H3C130 000918-00-3 83 2 2-Propanone, 1,1-dichloro- 126 C3H4C120 000513-88-2 32 3 2-Acetylthiazole 127 C5H5NOS 024295-03-2 4 4 3-Azabicyclo [3.2.2]nonane 125 C8H15N 000283-24-9 4 Abundance Scan 504 (6.040 min). 07972.D (-499) (-) m/ z 43.30 100.00% 43

5000 ... ............. 125 5.60 5 80 6 00 6.20 6.40 36 49 63 83 97 01 - - I ' 1 * • t• •••!•'117 II ' ' I ' 1 ' ' I ‘ 1 1 , m/z 125.10 11.96% n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance itZZll: 2-Propanone, 1,1,1-trichloro- 43

5000 5.60 5 80 6.00 6 20 6.40 m/z 127.20 7.44% 15 | 27 36 49 55 63 76 83 91 97 110 117 125 0- PT *1 •'i ■1 * ■ r1'' ■ ■ । ■1 ■ 111 ■ ■ । ■1 ‘^i ■ > * ■ । « hndadn । n/z- > 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #3861: 2-Propanone, 1,1-dichloro- 43 5.60 5 80 600 6.20 6.40 5000- m/z 97.20 6.57%

15 27 I I 36 49 55 63 76 83 93 125 0- TT-i-t1.-, । . ,■|l|■|-l■,■l■|■|■l । ''I'l 'll । rit Tl/Z—> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #7672 2-Acetylthiazole 43 5.60 5.80 6 00 6 20 6.40 m/z 83.10 • 5.65% 5000 99 127 58 112 85 ।15 26 32 n/z—> 0 mett iIt, 520 J 10 20 30 40 50 111179 60 70 ....80 Il.... 90 11" 1111* tin I 1 1 1 ' 100 110 120 130 । 5.60 5 80 6 00 6 20 6.40

07972.D 041202SCAN.M Tue Apr 16 13:42:47 2002 Page 9

NYC-WTC_000047547

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NYC-WTC_000047547Source: NYC Law Department, mirrored locally

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