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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\1\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 1 Heptane Concentration Rank 4

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

3.15 0.31 ug/L 247155 1,4-Dichlorobenzene-d4 9.99 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Heptane 100 C7H16 000142-82-5 78 2 Heptane 100 C7H16 000142-82-5 72 3 Heptane 100 C7H16 000142-82-5 64 4 3-Hexanone 100 C6H120 000589-38-8 38 Abundance Scan 12 (3.150 min)' 07972.D (-4) (-) m/z 43.25 100.00% 43 57 71

5000 100 3.20 3 30 340 3 50 3 60 01 I 36 L4R ■ ■ i 1 ' ■ ' i ■ ‘ 1 ■ i ' 1 ‘ ■ I I . 1 86 T-i l I I ! I / T r I 1 r "ri m/z57.30 71.94%

N._. n/z-> 0 10 20 30 40 50 60 70 80 90 100 Abundance #109668 Heptane 43

5000 57 71 29 3 20 3 30 3.40 3.50 3 60 m/ Z 41.30 67.32% 100 ti ' ' I 1’1 +51 22 37| 63 77 85 91 | n/z-> 0- i ■ ■ 1 1 i 1 1 1 1 1 1 1 1 1 o 10 20 : 30 40 50 60 70 1 80 90 100 Abundance #109303 Heptane 43 —A444AMAM 3.20 3.30 3.40 3 50 3 60 5000- 29 57 71 m/z 71.30 67.28%

100

n/z-> 01 1 I 0 15 I 1 1'' ' i ■ 10 20 X4 30 40 51 --- 50 I 65 1 । 77 60 70 85 | । । I । i'। । । । । । । I', 80 ""I 90 100 Abundance #4133. Heptane ----- 43 3 20 3 30 3.40 3.50 3.60 m/z 56.30 37.55% 5000 29 57 71

15 100

n/z-> 0 0 2 - 10 20 —4 +54 30 40 50 65 'T' r ' I60 JI.....80 85..... 70 90 1. 100 TIT 3 20 3.30 3.40 3 50 3 60

07972.D 041202SCAN.M Tue Apr 16 13:42:37 2002 Page 4

NYC-WTC_000047542

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NYC-WTC_000047542Source: NYC Law Department, mirrored locally

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