GCMS analysis results, sample AD27547, December 2001

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Gas chromatography-mass spectrometry analysis of environmental sample AD27547 performed on 12/18/01, detecting unknown compounds with 2,4-DDD surrogate standard at 5.0 ug MDL.

NYC-WTC_000033458–000033473

Folder label: “GCMS X 11/15/01 A 12/13/01”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC13 01\27547.D Vial: 6 Acq On : 13 Dec 2001 2:56 pm Operator: GALOS Sample : gems unknown 11/15 Inst : GC/MS Ins Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method C:\HPCHEM\1\METHODS\NP112701.M (RTE Integrator) Title 208 625/TCLP calibration table Library C: \DATABASE\NBS75K . L ********************************************************************* Peak Number 7 2-Pentene, 2,4-dimethyl- Concentration Rank 4

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

10.83 0.56 ng/uL 210340 1,4-Dichlorobenzene-d4 11.87

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentene, 2. -dimethyl- 98 C7H14 000625-65-0 25 2 2 -Hydroxy- 2-m ethyl-but-3-enyl 2-met 184 C10H16O3 080758-67-4 25 3 3-Methyl-1/[(1H)-1,2,4-triazol-1-yl 153 C7H11N30 064922-02-7 23 4 Cyclopentane, 1-ethyl-1-methyl- 112 C8H16 016747-50-5 17 Abundance Scan 653 (10.831 min): 27547.D (-) m/z 43.00 100.00% 43 83 55 __ 5000 71 TTT 10.40 10.60 10.80 11.00 11.20 11 — ' i1 100 —mmTT - •' r rrp-i l' " ’ i •''' I m/z 83.05 72.2 9% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #63272: 2-Pentene, 2,4-dimethyl- 55 83

5000 41 10.40 10.60 10.80 11.00 11.20 98 m/ z 55.10 59.63% 27 15 1 ' I'' '' I''' ' I''' ' I' ■I ‘1’3 ' i'''' r 67 .1 TI I' ' ' ' I ' ' " I ' ' ’ ' I i ■''' i''' • i m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #18819: 2-Hydroxy-2-methyl-but-3-eryl 2-methyl-2(Z)-butenoa

55 83 I —A 10.40 10.60 10.80 11.00 11.20 71 i m/z 71.05 32.96% 5000 •

99 114 136 166 ' I ' ' 1 1 I ' ‘ 1 ’T’’’’TTTTTTTTT . | I ITTTTTTTTT |.HI|I r '■ ■ i i11111 m/z--> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #10506: 3-Methyi-1 -[(1 H)-1,2,4-triazol-1 -yl]butan-2-one 43 10.40 10.60 10.80 11.00 11.20 83 m/z 41.10 25.52% 5000 71

55 - ■ i1 ■'' । ‘I‘ । rrrrp ri . । .... । .... । 154 l""l —4-44 ■ TMmm 144 ' ' m/z-> 1G 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 10.40 10.60 10.80 11.00 11.20

27547.D NP112701.M Fri Dec 14 12:55:33 2001 Page 7

NYC-WTC_000033472

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