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GCMS analysis results for sample AD27622, Jan 2002

Machine-extracted title · confidence 95%

Laboratory report documenting GCMS analysis of environmental sample AD27622 conducted on January 3, 2002.

NYC-WTC_000033067–000033081

Folder label: “GCMS X 11/16/01 A 12/18 - 12/20/01

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\l\DATA\DEC1901\27622.D Vial: 22 Acq On : 20 Dec 2001 5:04 pm Operator: GALOS Sample : gems unknown 11/16 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 6 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

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

7.84 3.03 ng/uL 872079 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 45 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 43 3 CH2=CHC C(0)OCH3 100 C5H802 003724-55-8 10 4 Butane 58 C4H10 000106-97-8 9 Abundance ‘ Scan 327 (7.838 min): 27622.D (-) m/z. 43.10 100.00% 43

59 5000

101 7.40 7.60 A 7.80 3 00 3.20 I " •' I' •'' I P +515 TT 39. 69 83 TTTtTT m/z 59.10 52.76% miz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 ................ - 59 7.40 7.60 7.80 800 3.20 m/z 101.05 17.88% 27 101 49 55 1 83 TH TTTTTTT Tit TT miz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- 43 i ■ ■ ■ ■ i ■ - 7.40 7.60 7.80 00 3.20 5000 59 m/z 58.10 15.55%

31 101 1 TT‘TTTTTTT—TT‘T‘I‘1‘T .1 . | | 55 I 73 83 < P I l . I • . I ! | > > < I | I I > I | < > I f I I I I . | H r* | rn . | I 11111 ■ i TT m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance ’ #1448: CH2=CHCH2C(O)OCH3 4 7.40 7.60 7.80 8.00 8.20 m/z 41.10 7.22% 5000

-34H T 72 11. ■ । ■ i' ।" i'1'' r "' i" " I''" i' > ■ ■ i ■" ■ i 100 TTTTTTTTT —P —fTPr miz—> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 11 7.46 7.60 7.80 8.00 8.20

27622.D NP112701.M Fri Dec 21 09:16:56 2001 Page 6

NYC-WTC_000033080

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NYC-WTC_000033080Source: NYC Law Department, mirrored locally

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