GCMS analysis results for sample AD27957, Jan 2002

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Laboratory report detailing GCMS analysis of sample AD27957 conducted on January 2, 2002.

NYC-WTC_000034138–000034153

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

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NYC 9/11 Public Portal Document

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Data File : C:\HPCHEM\1\DATA\DEC19O1\27957.D Vial: 13 Acq On : 21 Dec 2001 3:06 am 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.

7.83 2.43 ng/uL 1056380 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 43 2 2-Pentanone, 4 - hydroxy - 4 - methyl- 116 C6H12O2 000123-42-2 43 3 Acetic acid, 1,1-dimethylethyl este 116 C6H1202 000540-88-5 28 4 2 - Pent anone , 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 25 (Abundance 2 Scan 326 (7.832 min): 27957.D (-) m/ z 43.1,0 100.00% 43

59 5000

101 i ■ ■ 1 ■ I ■

— 7.40 7.60 7.80 8.00 8.20 ....................................... ... 53., 83 ■ 1 i ■ ' ■ ' i ■ ' ■ ■ i ' ' ■ 1 I1 11 m/ z 59.10 49.59% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- 43

—।----- 5000 59 7,40 7.60 7.80 8.00 8.20 m/z 101.0 17.33% 31 | 83 101 73 1 1 I II l m — 1 ' ' T i ' ' I ' 1 1 1,1 rr • 1 *I 1 “ 1 I । । i । । । । । j । mz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #$4274; 2-Pentanone, 4-hydroxy-4-methyl- 43 ... — 111 7.40 7.60 7.80 8.00 8.20 5000 m/z 58.10 15.36% 59

27 | 83 101 TI —————— , , f i r i iy. . , 1 49 i—r FTT T । । । । । । । i'i । । । । । . i । । , ^lz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester i ‘ ‘ i ■ • ' I ' 1 1 1 I ' 1 43 7.40 7.60 7.80 8.00 8.20 m/z 41.10 6.78% 5000 57

101

miz-> 15 , — TI- . 10 20 27 , — r, TH 30 40 ■ l 1 ■ 50 IT. '. '. '""I.. T ' ' ' I ' 60 70 80 i ' ' ■ ■ i ' ' ' ' I ' 90 100 110 — — AS - 7.40 7.60 7.80 8.00 8.20

27957.D NP112701.M Fri Dec 21 10:07:24 2001 Page 5

NYC-WTC_000034150

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GCMS analysis results for sample AD27985, Jan 2002 · Box DEP Box 22

NYC-WTC_000034457

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