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← Document results/DEP Box 21/GCMS X 11/15/01 A 12/13/01
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GCMS analysis results for sample AD27550, Dec 2001

Machine-extracted title · confidence 100%

Laboratory report documenting GCMS analysis of environmental sample AD27550 conducted on December 18, 2001.

NYC-WTC_000033505–000033520

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

←Page 12 of 16→
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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\l\DATA\DEC1301\27550.D Vial: 9 Acq On : 13 Dec 2001 5:39 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 4 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

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

7.83 4.21 ng/uL 1716920 1,4-Dichlorobenzene-d4 11.86

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4 -hydroxy-4 -methyl- 116 C6H1202 000123-42-2 83 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 53 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 43 4 Acetic acid, 1,1-dimethylethyl este 116 C6H1202 000540-88-5 28 Abundance Scan 326 (7.829 min): 27550.D (-) m/z 43.10 100.00% 43

5000- 59

101 — 7.40 7.60 7.80 3.00 8.20 ......................... 38 1 ' ' i ■ ■ ■ ' i ■ ' ' ' i ■ ■ ■ 1 l‘ + 1 TT r T69T 16*1B83 53 , —.r 1L ' m/ z 59.10 47.22% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 - ' ' ■ T 1 1 ' ' I ' 59 7.40 7.60 7.80 3.00 8.20 m/ z 58.10 18.58% 27 101 ........................... i | 49 83 — Tn ———————————i ■' ■ ' ■ i । J1...... m/z->10 20 30 40 50 60 70 80 90 100 110 Abundance #64275: 2-Pentanone. 4-hydroxy-4-methyl- 43 1 7.40 7.60 7.80 3.00 8.20 5000 - m/z 101.05 16.31% 59

15 31 1 . 101 I 83 । i ' ■ ■ ■ । ■ ■ ■ ■ । ■ • • • । i ' ' ■ ' i ' ' ' ' i ■ 1 I 1 i ' ■ ' ■ i ' ■ ■ ■ i ' ' ' ' i 1 m/z--> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- 43 7.40 7.60 7.80 800 8.20 m/z 41.10 6.80% 5000 - 59

। i ■ ■ 1 ■ TIICITT 31 I T —4 |.... 73 83 .... 101 ... I • ' ' ' I ' ' 1 1 1 ' • ' ' F' T ' T TIdmT ' | 1 TTPIPPP m/z-> 1G 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00 8.20

27550.D NP112701.M Fri Dec 14 12:57:27 2001 Page 4

NYC-WTC_000033516

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NYC-WTC_000033516Source: NYC Law Department, mirrored locally

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