DEP water sample drip rate log, June 2002

NYC 9/11 Public Portal Document LlDLary searcn compouna Keport

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 2 Methylene Chloride Concentration Rank 2

R.T. EstConc Area Relative to ISTD R.T. 3.71 1.49 ug/L 1154400 1,4-dichlorob'enzene-d4 9.89 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2/ 91 2 Methylene Chloride 84 CH2C12 000075-09-2 91 3 Methylene Chloride 84 CH2C12 000075-09-2 72 4 Methylene Chloride 84 CH2C12 000075-09-2 32 Abundance Scan 107 (3.708 min): 603LB.D (-92) (-) m/z 49.05 100.00% 49 84

5000

353841 I I 88 3.40 3.60 3,80 4.00 ‘ ' 01—IIWIWWB*)WLT\TTTHTTTTTTTTTIPPTpt 1 ilipongal m/z 84.00 83.22% m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 49 84 5000 **1/4/"/A’/I/’’’’I’’’II’IIII 3.40 3.60 3.80 4.00 m/z 86.00 49.91% 88 n/z-> 01 • ■ i ■ ■ ■' i" " i ■ ■ ‘ ■ i ■ ■ ■1112831 5 ,152 573538 43 1uuuEutm—Oa1TT 67 71 77 "11" " 1111' i"1111 , 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Hm 4 Abundance #12327: Methylene Chloride 49 84 3.40 3.60 3.80 4.00 5000 m/z 51.00 24.56% _/* 88 14 18 24 2831 353841 TI*mmmmmmg 2________ 70______ , Hmm Of TTuMummgmuH n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride 49 3.40 3.60 3.80 4.00 rn/z 47.10 ./ 19.16% 84 5000

46 2629 41 | 59 65 73 77 88 0 TTUpTHTH $2 mumgmmmoort - m/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

603LB.D 060302.M Mon Jun 10 10:20:39 2002 Page 5

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