DEP water sample drip rate log, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report

Data File C:\MSDCHEM\l\DATA\060602\603LB.D Vial: 3 Acq On 6 Jun 2002 12:57 pm Operator: McLean Sample 6/3 eh Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 15 Oxetane, 2,2-dimethyl- Concentration Rank 18 R.T. EstConc Area Relative to ISTD R.T. 5.96 0.24 ug/L 182976 1,4-dichlorobenzene-d4 9.89

Hit# of 5 Tentative ID MW MolForm CAS# Qua 1 Oxetane, 2,2-dimethyl- 86 C5H10O 006245-99-4 9 2 Oxirane, 2-butyl-3-methyl-, cis- 114 C7H140 056052-93-8 9 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 9 4 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 9 Abundance Scan 490 (5.958 min): 603LB.D (-486) (-) m/z 43.10 100.00% 43

5000 59 wAManaaRyMN, winw 37 86 - 101 560 5.80 6.00 6.20 6.40 Of 1 ■ I । । l ■ 1 11,111 1 * i * * ------------- m/z 59.10 26.03% m/z-> 20 30 40 50 60 70 80 90 100 110 120 Abundance #4308: Oxetane, 2,2-dimethyl- 43

5000 56 560 5.80 6.00 6.20 6.40 28 m/z 58.10 25.26%

miz-> Of ■ ■ j ■ . i- 20 30 133.3440 +524 50 1,61 66 1 78 ................................ 60 70 80 11 1 ■ 1 ' 90 100 i1 ■ • ■ 1 ■ ■ 1 ■ i ‘ ■ ■ ■ i ■ ■ ‘ ■ i ■ ■ ■ ■ 1 ■ ■ 110 120 Abundance #4871: Oxirane, 2-butyl-3-methyl-, cis- 43 -

55 5.60 5.80 6.00 6.20 6.40 5000 85 m/z 101.00 9.55% 71

99

m/z-> 0 ‘ ■ i ' ■ ■ 1 i • • ■ ■ i 20 30 40 50 60 70 7980—— TIT 90 — 100 114 I ■ ■ ■ - I ■ 110 120 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 6.40 m/z 39.10 6.74% 5000 59 . 101 0 ..... 27,32 38,1 . 48 53,, ' 1 1 1 1 1 ' r‘ 1 1 1 1 1 —T4+ 67 72 77 83 91 96 I ■ 1 ■ ' i ■ ■ ■ ■ 1 1 ■ ■ ■ 1 । ■ ■ ■ 1 1 1 ■ 1 1 1 1 ' 1 1 1 ' 1 m/z—> 20 30 40 50 60 70 80 90 100 110 120 5.60 5.80 6.00 6.20 6.40

603LB.D 060302.M Mon Jun 10 10:20:49 2002 Page 18

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