GC/MS blank analysis results, Jan 25 2002

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Laboratory report showing non-detect results for volatile organic compounds in a GC/MS blank sample.

NYC-WTC_000018588–000018604

Folder label: “GCMS X 12/19/01 A 1/2/02”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File C:\HPCHEM\1\DATA\DEC3101\LBE.D Vial: 40 Acq On 2 Jan 2002 2:43 am Operator: 209 GALOS Sample gems scan 12/19a Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 6 Benzoic acid, 4-ethoxy-, ethyl Concentration Rank 7

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

21.08 0.77 ug/1 337199 Acenaphthene-dl0 20.56

Hit# of 5 Tentative ID MW MolForm CAS# Qual

Benzoic acid, 4-ethoxy- , ethyl este 194 C11H1403 023676-09-7 97 1-Cyclopentene-1-propanoic acid, .b 168 C10H16O2 061833-30-5 80 3 Benzoic id, 2-hydroxy-, hydrazide 152 C7H8N202 000936-02-7 43 4 Benzoic acid, ethoxy-, ethyl ester 194 C11H1403 075333-22-1 43 Abundance S Scan 1747 (21.080 mln): LBE.D (-) m/z 120.95 100.00% 121

5000 149

138 194 39 65 93 T T 166 20.80 21.00 21.20 21.40

m/z-> 1 50 , 76 85 .1 109 Thaaun :20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 I . ... p . . a ‘‘I’’ m/z 149.00 49.63% Abundance> #21260: Benzoic acid, 4-ethoxy-, ethyl ester 121

149 5000 —___ J r 1_ ,,2 , ,, , , , TTT 138 20.80 21.00 21.20 21.40 194 65 93 166 m/z 194.0 28.00% 27 - ± i।.j.... । X >!>>>> 111 ■< 11111 >> i 1111 ‘I‘ ... 111 ri 111111111111 i‘i 1111 miz-> 20 30 ’40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 Abundance #14561: 1-Cyclopentene-1 -propanoic acid, .beta.-methyl- me 58 79 95 121 8000: 109 20.80 2100 21.20 2140" 6000 m/z 137.95 24.22% 4000: 150 . |... IJ.... I... t j.... J .... | . , . »j ! ! . I | I 168 : I... . I I I J 1’14 I | I I I I | I > I I |'I J n ] I I J I | ) I J J | I I I 1 | 1 I I I | I I m/z-> 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 [Abundance #10124: Benzoic add, 2-hydroxy-, hydrazide _ {... .Y i 121 20.80 21.00 21.20 21.40 m/z 64.95 21.64% 5000

65 93 152 . ......... ___ ....... 37 .... 53, r . I.... 1.... I.... t(. ri. (.... |. I r. H 1.. n I h .. |.[ 11-rr [ 4’14 n 1111 > 11 n 1111111111 m/z-> 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 20.80 21.00 21.20 21.40

LBE.D GCMS1126.M Fri Jan 25 12:07:45 2002 Page 6

NYC-WTC_000018598

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NYC-WTC_000018598Source: NYC Law Department, mirrored locally

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