GCMS analysis results, sample AE09971, May 2002

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Laboratory report for sample AE09971 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000044071–000044093

Folder label: “GCMS X 4/25/02 A 5/7/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\MSDCHEM\1\DATA\050602\9977.D Vial : 19 Acq On 7 May 2002 2:22 am Operator: Mclean Sample 4/25 Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 7 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to I STD R.T. 5.97 10.82 ug/L 7278300 1,4-Dichlorobenzene-d4 9.94 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 40 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-8845 36 Abundance Scan 492 (5.970 min): 9977.D (-485) (-) m/ z 43.10 100.00% 43

5000 59 I । > i > । । i r r । । । i । । । < । । i'"| ■ I■ 101 83 560 5.80 6.00 6.20 6.40 ........................ 3? 1 53, 69 , | 119125 TPHT III ' I ' 1 ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ m/ z 59.10 35.88% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43 . — 1 1 I 1 . 1. 5000 59 560 5.80 6.00 6.20 6.40 m/z 58.10 22.53% 15 31 101 .25,37 53, TT-|' rTstFrrTEP’ ! I ‘il —T+ 83 , | I ■ 1 ' ' i 1 1 1 ' i ''' 1 1 i 1 ■ ' 1 1 1 1 1 ' i 1 1 1 1 i 1 1 1 1 1 1 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 f 1 1 ' 1 1 I r ' 1 ' 1 1 ' ' 1 1 1 1 1 1 1 1 5 60 5.80 6.00 6.20 6.40 5000 m/z 101.10 14.28% 59 _ 101 1 1 ' i ' 1 1 1 i 1 2711,13711 l'i । 53 67 77 83 91 । I I I I ( I I [ I I I > I inoosl--vi I ] I I I I [ I I I I I I I m/z->_______ 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 560 5.80 6.00 6.20 6.40 m/z 41.10 5.72%

5000 59

02 8.3 93 101 | 1.............I I..I I I I I t I I ! I I I I I I 4 । i i i i । i i i i । > i i t । i I T"i j i i i i j i"1“ i'i [ i i ■ i”i_ r i TT *TrPA TTPrPr /z-> 10 20 30 40 50 60 70 80 90 100 110, 120 130 5.60 5.80 6.00 6.20 6.40

9977.D 050102.M Tue May 07 15:54:23 2002 Page 11

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GCMS analysis results, sample AE09970, May 2002 · Box DEP Box 25

NYC-WTC_000043976

Laboratory report for sample AE09970 showing surrogate recovery and unknown compounds from May 9, 2002.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998