GCMS unknowns analysis results for sample AD27952, Jan 2002

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Laboratory report documenting GCMS analysis for unknown compounds and surrogate recovery in sample AD27952 conducted on January 2, 2002.

NYC-WTC_000034073–000034086

Folder label: “GCMS X 11/20/01 A 12/20/01”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\HPCHEM\l\DATA\DEC1901\27952.D Vial: 8 Acq On : 20 Dec 2001 10:32 pm Operator: GALOS Sample : gems unknown 11/20 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 5 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

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

7.84 2.72 ng/uL 1096540 1,4-Di chlorobenzene-d4 11.86

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2 -Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 53 2 2 - Pent anone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 53 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 43 4 Acetic (acid, 1,1-dimethylethyl este 116 C6H1202 000540-88-5 28 Abundance Scan 327 (7.843 min): 27952.D (-) m/z 43.10 100.00% 43

59 5000 101 ----- — 7.60 7.80 8.00 8.20 7.40 miz-> --------------34+ 10 20 30 40 +53+ 60 50 69 70 80 83 90 100 110 m/z 59.10 51.36% Abundance #64275:2-Pentanone, 4-hydroxy-4-methyl- 4b

5000 7.40 7.60 ' 7.80 8.00 ' 8.20 59 m/z 101.05 18.66% — 43] | 83 101 1 1 ' 1 TT T’t 1 i ■ ■ ’ ■ i ■ ■ • ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274; 2-Pentanone, 4-hydroxy-4-methyl- 43 i 1 ' ■ ■ i ■ ■ ■ ■ i ■ ■ ' ' i ■ ■ ' ' i ' ■ 7.40 7.60 7.80 8.00 8.20 5000 m/z 58.1,0 15.94% 59

27 1 ' I • 1 ' ‘ I ' ' ' ' I ' 1 • ’ I ' 49 ■ i ■ • 83 Iun. TII > i . j i >.. TTIr. ri. TIBBBm. 101 pn/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- i■■■■i■ ■ ■ ■ i ■ ■ ............................. 43 7.40 7.60 7.80 8.00 8.20 m/z 41.10 7.60% 5000 - 59

31 ---------- I .... r 83 14 I Id ... 8 73 93 . 101| > 110/n/td -1244 -P— PPr m/z—> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00 8.20

27952.D NP112701.M Fri Dec 21 10:05:50 2001 Page 5

NYC-WTC_000034085

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GCMS unknowns analysis results for sample AD27873, Jan 2002 · Box DEP Box 22

NYC-WTC_000034032

Laboratory report documenting GCMS analysis for unknown compounds and surrogate recovery in sample AD27873 conducted on January 2, 2002.

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