GC/MS results for unknown compounds and surrogates, sample AE10985, May

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Laboratory report showing GC/MS analysis of sample AE10985 with surrogate recovery data for 2,4-DDD.

NYC-WTC_000024014–000024037

Folder label: “GCMS X 5/10/02 A 5/14/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\051402\10985.D Vial: 14 Acq On : 15 May 2002 12:06 am Operator: Mclean Sample : 5/10 kb Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHCDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 6 2-Pentanone, 4-hydroxy-4-me.. Concentration Rank 1

R.T. EstCone Area Relative to ISTD R.T.

5.97 20.22 ug/L 16019600 1,4-Dichlorobenzene-d4 9.93

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2 -Pent anone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-21 86 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 3 2 -Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 59 4 Acetic acid, 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 36 Abundance Scan 492 (5.970 min): 10985.D (-484) (-) m/z 43.10 100.00% 43

5000 59 ................................................ 101 5 60 5.80 6.00 6.20 6.40 69 77 83 . | 117 125

m/z-> 0! ..... 10 mnnpe30 37,1140 Pi '50P53, 20 —4+ 60 ' I'1 1′111 LT‘ i i । i i H । I . . . p , , . । , , , , । 70 80 90 100 110 120 130 . m/z 59.10 36.82% Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 560 5.80 6.00 6.20 6.40 m/z 58.10 21.08% 15 101 0! - 25131,37,1 ++ 53, I'1 । । । । । 83 । , | ■ 1 । । । ■ ■ ■ ' । ‘ ■ i 1 ' ■n/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 5000 59 m/z 101.10 14.72%

93 93 101 — 01 ........25,31 37,1 .......... . 1 1 I ■ ' 1 1 I 1 83 । I ' ' ■ r i ■ ■ ■ ■ i ■ 1 ■ ■ i ■ 1 1 1 i 1 ' 1 ■ i 1 ■ ■ 1 i ‘ ■ ■ ■ i ' ' tt/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 . — 1 1 1 1 . Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5 60 5.80 6.00 6.20 6.40 m/z 41.15 5.99%

5000 59

/z-> 0 . ........... ,11,1,1, Yll] 10 20 27 30 37 40 53 —T4 50 67 — 77 83 91 , | I ■ ■ 1 1 i ■ ■ ■ ■ i ' ' ■ ' i ' 1 ' 1 i ' ' ■ ’ i 1 1 ' ■ i 1 1 ' ' i ' 60 70 80 90 101

100 110 120 130 —...... K...... — 5.60 5.80 6.00 6.20 6.40

10985.D 050102.M Thu May 16 14:42:36 2002 Page 9

NYC-WTC_000024027

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