DEP water sample drip rate log, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File C:\MSDCHEM\1\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 : 5.08 Modified GC/MS scan Library : C: \DATABASE\NIST98 . L ********************************************************************* Peak Number 5 Crotonic acid Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 3.82 2.05 ug/L 1590650' 1,4-dichlorobenzene-d4 9.89 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Crotonic acid 86 C4H602 003724-65-0 5. 2 2-Imidazolidinone 86 C3H6N2O 000120-93-4/4 3 2-Imidazolidinone 86 C3H6N2O 000120-93-4 4 4 Propanal, 2-methyl-2-(methylsulf... 149 C5H11NO2S 007635-32-7 4 Abundance Scan 126 (3.820 min): 603LB.D (-123) (-) m/z 86.00 100.00% 85

A 5000 38 42 82 3.40 3.60 3,80 4.00 4.20 01 T TTTTTpT-rrp-rrTp-rrrf- '11" ■ ■ i" m/z 84.00 29.56% n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #116766: Crotonic acid 41 85

5000 69 3.40 3.60 3.80 4.00 4.20 45 27 3£ m/z 81.90 28.07% 15 5053 5760 66 miz-> 0! 5-12418,,24113134 4+ THHp Y2....... 1 —p 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 V Abundance #108253:2-Imidazolidinone 3) 86

3.40 3.60 3.80 4.00 4.20 5000 m/z 42.00 27.38% 42

01 27 i " " i" " i" ■ ■ i• ■ ■'i11 ■ 39, WPHHtp 11154/8,1111.71.,.. — MM n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #34609:2-lmidazolidinone 30 85 3.40 3.60 3.80 4.00 4.20 m/z 38.00 26.98% 5000

42 AA 27 I 39, 0 “ImmPpgTHHm 5558 —mmmp r n/z—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.40 3.60 3.80 4.00 4.20

603LB.D 060302.M Mon Jun 10 10:20:42 2002 Page 8

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