GCMS method 508 scan data for WTC samples, March 2002

NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\031902\3800.D Vial: 10 Acq On : 19 Mar 2002 7:02 pm Operator: McLean Sample : RE-INJ 2/20 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1\5973N\5080302.M (RTE Integrator) Title : Quantitation For Method 508gcscan Library : C:\DATABASE\WILEY7N.L Peak Number 7 Benzoic acid, 4-ethoxy-, et... Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T. 18.77 0.97 ug/L 496414 Acenaphthene-dl0 18.13

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Benzoic acid, 4-ethoxy-, ethyl e... 194 C11H14O3 023676-09-7 97 2 Benzoic acid, 4-ethoxy-, ethyl e... 194 C11H14O3 023676-09-7 97 3 Benzoic acid, 4-hydroxy-, ethyl ... 166 C9H10O3 000120-47-8 60 4 Benzoic acid, 4-hydroxy-, ethyl ... 166 C9H10O3 000120-47-8, 60 Abundance Scan 1730 (18.768 min): 3800.D (-) m/z 121.05 100.00% 121

149 5000 194 65 138 93 ‘i i • ■ • • i ■ ■ • ■ i y 166 18.40 18.60 18.80 19.00 50 . 76 m/z-> Of * ■ i ‘ 20 - 40 60 80 *194 100 —— 120 , A, A , I 140 160 180 200 m/z 149.10 49.99%

Abundance #105824: Benzoic acid, 4-ethoxy-, ethyl ester 121

149 5000 194 18.40 18.60 18.80 19.00 Dr 65 138 m/z 194.10 33.22% 93 166

Of ...... 501 TynpTggr 76 il 109 L ' I ■ 1 ■ ■ l ■ ■ ■ ■ i 1 179 , m/z—> 20 40 60 80 100 120 140 180 200 160 Abundance #105823: Benzoic acid, 4-ethoxy-, ethyl ester $$ Benzoic a... 121

111111 TTT TTTTCTT AY 149 18.40 18.60 18.80 19.00 m/z 138.10 27.86% 5000 138 194 29 65 93 166 | 179 0+ 15 1507609 , , । ,T. ‘I T rT . TTT > T f . . T. । ITT . p 1 m/z—> 20 40 60 80 100 120 140 160 180 200 Abundance #67030: Benzoic acid, 4-hydroxy-, ethyl ester (CAS) $$ Eth... ■ 1111111 ‘ • i • TM ■ ■ i*1 121 18.40 18.60 18.80 19.00 m/z 65.10 26.31%

5000

39 65 93 138 166 —53 . 01 1 * l 1 -r+r । । l"-. . > TT .... । । । । . mm 14 ,A4 m/z—> 20 40 60 80 100 120 140 160 180 200 18.40 18.60 18.80 19.00

3800.D 5080302.M Thu Mar 21 11:42:23 2002 Page 9 NYC-WTC_000037895