GCMS analysis results for sample AE06994, April 2002

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Laboratory report documenting GCMS analysis of sample AE06994 conducted on April 16, 2002, including surrogate recovery data.

NYC-WTC_000040117–000040127

Folder label: “GCMS X 3/26/02 A 4/6/02”

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NYC 9/11 Public Portal Document Library Search Compound Report Data File C:\HPCHEM\1\DATA\APR0405\6994.D Vial: 23 Acq On 6 Apr 2002 5:35 pm Operator: Sample gc/ms scan 3/2 6 Inst : GC/MS 209 Mise Multiplr: 2.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0408.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 8.22 39.86 ug/1 2296920 1,4-Dichlorobenzene-d4 12.25

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanome, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 50 2 Acetic acid, 1,1-dimethylethyl este 116 C6H1202 000540-88-5 33 3 Acetic acid. cyano-, 1,1-dimethylet 141 C7H11NO2 001116-98-9 17 4 2-Propanol, 2-methyl- 74 C4H10O 000075-65-0 17 Abundance Scan 345 (8.216 min): 6994. D (-) m/z 43.05 100.00% 43

59 5000

101 _____ / । • ■ ■ ■ i ■ • ■ ■ । ‘ 111/1. 7.80 8.00 8.20 8.40 8.60 .................. 37 1 +53 0- ■ ■ ।1 ■ ■ ■ 111 >1111111 > 69 77 83 T I I I I I I [ TII I I I I I I t I I I I I I II I I I I I I I T m/z 59.05 52.35% m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #64275: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 ।/ - 59 7.80 8.00 8.20 8.40 8.60 m/z 101.05 22.00% A —15L 31 — '1n। „83 101 114 ' I I I I I I I I I I I 1*1 f T I I I I TT ( I I I I I I I I I I J I I TT miz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester 43 i ■ ■ ■ i i ■ > 7.80 8.00 8.20 8.40 8.60 5000 57 m/ z 58.05 16.96%

101 15 27 i ■ ■ ! ■ 1 1 1 | ' 1 l > • 1 • । I ' i ■ 1 i' 1lr11‘111E1-1TT-r71010TT-111111.1 m/z—> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #7666: Acetic acid, cyano-, 1,1-dimethylethyl ester [ I I 1 1 [ I 1 I T TTI I Tl I I I [ I I 59 7.80 8.00 8.20 8.40 8.60 m/z 41.05 7.80%

5000 41

68 126 ‘—t—TH — , 53. —TT i ■ ■ ■ ■ i ■ ■ ■ ' i ■ ■ ■ ■ i ' ■ ■ 1 i r 1 ' 1 1 1 1 1 ' 1 1 ' 1 m/z—> 10 20 30 40I 50 60 70 80 90 100 110 120 130 7.80 8.00 8.20 8.40 8.60

6994.D GCMS0408.M Mon Apr 15 14:44:18 2002 Page 1

NYC-WTC_000040124

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NYC-WTC_000040124Source: NYC Law Department, mirrored locally

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GCMS analysis results for sample AE06991, April 2002 · Box DEP Box 23

NYC-WTC_000040146

Laboratory report documenting GCMS analysis of sample AE06991 conducted on April 16, 2002, including surrogate recovery data.

1 shared topics · Same agency, volume and box · similarity 0.998