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\0603 02.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 1 Butanoic acid, methyl ester Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T.

3.47 0.33 ug/L 260053 1,4-dichlorobenzene-d4 9.89

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 53 2 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 50 3 Butanoic acid, methyl ester 102 C5H10O2 000623-42 7 40 4 Pentanoic acid, methyl ester 116 C6H12O2 000624-24-8 25 Abundance Scan 67 (3.473 min): 603LB.D (-62) (-) m/ z 43.10 100.00% 43 74

5000 __ 59 87 49 3.20 3.40 3.60 3.80 Ot .............. 3511 la.. .1. | TIB i । ■ । । । > i-|- > । ■ t 114 ■ ■ i 1 m/ Z 74.00 91.28% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109995: Butanoic acid, methyl ester 43 74 5000 27 15 3.20 3.40 3.60 3.80 59 87 m/z 71.10 66.70% | 102 iz-> 01 ■ ■ l ■ i 10 +11111,33.3 20 30 / +453, 40 50 TT 60 70 69 TT13——0—0—I—BT 80 90 100 110 Abundance #109993: Butanoic acid, methyl ester 43 74 ■ 320 3.40 3.60 3.80 5000 m/z 41.05 33.00%

nfc-> Ot

Abundance 1 1 [ 1 1 1 1 1 1 10 20 27

1111,733.38, 4 ,531,,....... 30 40 50 60 59

69 70 80 #109994: Butanoic acid, methyl ester 87

TIItII" ' 1 l’1 1 1 1 I 1 90 102 100 110 Mota-MPon 43 3 20 3.40 3.60 3.80 74 m/z 59.10 31.21% 5000

0 15

■ ■ I ''I1' 1 27

129.34 1 ,1/53, ■'l' ■ 1’1’ 59

69 87 102 1 • i ■ ■ ■ 1 i 1 1 ■ ■ r1 1 ■ ■ । 1 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 3.20 3.40 3.60 3.80

603LB.D 060302.M Mon Jun 10 10:20:37 2002 Page 4

NYC-WTC_000015349