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← Document results/DEP Box 22/GCMS X 11/21/01 A 12/21/01
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GCMS analysis results for sample AD28046, Jan 2002

Machine-extracted title · confidence 90%

Laboratory report documenting GCMS analysis of sample AD28046 conducted on January 2, 2002, noting unknown compounds and surrogate recovery.

NYC-WTC_000034484–000034494

Folder label: “GCMS X 11/21/01 A 12/21/01”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC2101\28046.D Vial: 30 Acq On : 21 Dec 2001 9:33 pm Operator: GALOS Sample : gems unknown 11/21 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 2 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

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

7.78 3.41 ng/uL 1130610 1,4-Dichlorobenzene-d4 11.79

Hit# of 5 Tent at iveID MW MolForm CAS# Qual

1 2-Pentanone, 4 - hydroxy- 4 -methyl - 116 C6H1202 000123-42-2 53 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 36 3 Acetic acid, 1-dimethylethyl este 116 C6H12O2 000540-88-5 28 4 Acetic acid, yano-, 1,1-dimethylet 141 C7H11N02_______ 001116-98-9 23 Abundance Scan 320 (7.776 min): 28046.D (-) m/z 43.10 100.00% 43

59 5000

101 -------- A — --- 7.40 7.60 7.80 8.00 8.20 — 38,4 +53 ||. 69—.T 1d/dn/nn 1d83Td.B T m/z 59.10 50.50% miz-> 10 20 30 40 50 160 70 80 90 100 110 Abundance #64275: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 7.40 7.60 7.80 8.00 8.20 m/z 101.05 18.68% 15 31 101 I • । 83 I • ■ i ■ ■ ■ i • ■ ' ■ i ■ ■ ■ ■ i ■ ........... ■ .............. ... J * ■' । ' । । 1 I । । । । I................ । m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274; 2-Pentanone, 4-hydroxy-4-methyl. 43 7.40 7.60 7.80 8.00 8.20 5000 m/z 58.10 15.48% 59

27 i . 83 101 i -.49 I ■ i ■ ■ । ■ ■ ■ ■ । । । । , r-j-r r 1.............. .... — ——————— TI m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester 43 7.40 7.60 7.80 8.00 8.20 m/z 41.10 7.24% 5000 57 101

miz-s 15 — —————— 10 20 27 30 TH 1 1 ■ i 1 1 40 50 I .-r, - -j . . , . । , , . , । I , i i |‘i t i i । i 60 70 80 90 100 110 ..... A........ 7.40 7.60 7.80 8.00 8.20

28046.D NP112701.M Thu Dec 27 08:38:42 2001 Page 2

NYC-WTC_000034493

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NYC-WTC_000034493Source: NYC Law Department, mirrored locally

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