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GCMS analysis results for sample AE10811, May 2002

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Gas chromatography-mass spectrometry report for sample AE10811 showing detection of unknown compounds and surrogate recovery.

NYC-WTC_000046036–000046063

Folder label: “GCMS X 5/7/02 A 5/15/02

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NYC 9/11 Public Portal Document

- Data File : C:\MSDCHEM\1\DATA\051402\10811.D Vial: 21 Acq On : 15 May 2002 6:39 am Operator: Mclean Sample : 5/7 kb Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHQDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 12 Benzoic acid, 4-ethoxy-, et.. Concentration Rank 7

R.T. EstConc Area Relative to ISTD R.T.

19.19 0.54 ug/L 741170 Acenapthalene-dl0 18.57

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Benzoic acid, 4-ethoxy-, ethyl e... 194 C11H1403 023676-09-7/96 2 Benzoic acid, 4-ethoxy-, ethyl e... 194 C11H1403 023676-09-7 95 3 4-(3-Hydroxyphenyl )-4-oxobutyric... 194 C10H10O4 1000194-36-9 6 4 Ethylparaben 166 C9H10O3 000120-47-8 53 Abundance Scan 2741 (19.184 min): 10811.D (-2730) (-) m/z 121.10 100.00% 111 A 149 5000 194 138 ...................... 1 ,.......................... 65 93 18.80 19.00 19.20 19.40 19.60 0 " r "11 39 53 i, 76 T- | I I I i | i i1!1! |'i ri T ",1 i 103 I । i‘ 1 >'| ri n j l‘i I I | I I I i m/z 149.10 53.22% TT 1111" m/z->____ 10 20 30 40 50 60 70 80 90 100110120130140 150160170180190 200 Abundance #121177: Benzoic acid, 4-ethoxy-, ethyl ester 121

5000 149 194 ........ V 1 I ' 1 1 1 1 1 ' 1 ' 1 1 ' 18.80 19.00 19.20 19.40 19.60 65 138 166 m/Z 194.10 32.67% 93 1" ।111 ■ ।"1111"1111 TT ++179. 0 TIIUWTIPWTTUTTTTTTTTTTT 50 I 76 — |r1.... 109, 1.... 111"' m/z-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190 200 Abundance #54970: Benzoic acid, 4-ethoxy-, ethyl ester 111 1 i ■ 1 1 1 I ' ’ i 1 ' ' ' i ■ ■ ' ' i ' ' 149 18.80 19.00 19.20 19.40 19.60 5000 m/ z 138.10 26.94% 138 194 29 65 93 166

m/z-> 15 1 39 11 | 50 ,| 76 0 11 r "11'111111111 kTtpmtmmor 1 103

10 20 30 40 50 60 70 80 90 100110120130140150160170180190 200 I 1 +179. TTTrur ‘

Abundance #55113: 4-(3-Hydroxyphenyl)-4-oxobutyric acid 111 18.80 19.00 19.20 19.40 19.60 m/Z 65.10 21.47%

5000 194 93 65 27 39 , 55 J 77 „ 103112 | 131 149 163 177 - 0 11111 > ■ 11 < 1*1*11111| iii 11 i i i i । rir> । "T1T / ■ ■ i11" i ■" ' r1r 1 I I I I ri I I ■ 1'1 I I I I I I I I I I I I II I ■ I I I I ■ TTT m/z-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190 200 18.80 19.00 19.20 19.40 19.60

10811.D 050102.M Thu May 16 14:13:24 2002 Page 16

NYC-WTC_000046056

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NYC-WTC_000046056Source: NYC Law Department, mirrored locally

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