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 7 Benzoic acid, 2,5-bis(trimethy Concentration Rank 6 R.T. EstConc Area Relative to ISTD R.T. 22.80 0.85 ug/1 368388 Phenanthrene-dl0 24.98 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Benzoic acid, 2,5-bis (trimethylsilo 370 C16H30O4Si3 003618-20-0 38 2 Benzeneethanamine, N- [(pentafluorop 563 C24H34F5NO3Si3 055429-13-5 37 3 Trisilox e, 1,1,1,5,5,5-hexamethyl 384 C12H36O4Si5 003555-47-3 37 4 N-(Trifl .oroacetyl)-N, 0,0',0'' -tetr 553 C22H42F3NO4Si4 000000-00-0 35 Abundance Scan 1934 (22.796 mln): LBE.D (-) m/z 73.00 100.00% 73

5000 147 355 A 221 281 T T TB ITT 45 117 191, [ 249 | 327 401 22.40 22.60 22.80 23.00 23.20

m/z-> 1-4 50 — TITTT 100 150 ithPi 1115 Pil rih t I 200 250 300 350 ' 400 450 500 550 m/z 355.0.5 27.56% Abundance #73978: Benzoic acid, 2,5-bis(trimethylsiloxy)-, trimethyls 73 355 .............. ....... 5000 22.40 22.60 22.80 23.00 23.20 45 m/z 147.00 26.28% I 147 179 223 267 297 ■ ■ i ■ ■ ■ ' i ' • ■ ' i ■ ■ ■ ■ i 1 1 ■ ■ i ■ ■ ; ■ i • ■ ■ ■ i TPnmmmmBT m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #74706: Benzeneethanamine, N-[(pentafluoropheny)methylenc] 73 355 22.40 22.60 22.80 23.00 23.20 5000 m/z 221.05 18.43%

45 J 1 208 251 281 j 386 458 548 ■ • i ■ • ■ ■ i • • ‘ * i ‘ ‘ ■ i 1'' ' FFT+ . . , . . i , 1* i , . । । i i । > । । > । . m/z-> 50 100 150 200 250 300 350 400 450 500 550 Abundance #52459: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimet 1 * ‘ ‘ I • ‘ ‘ ‘ I T T i 147 73 22.40 22.60 22.80 23.00 23.20 281 m/z 281.0,0 15.25% 5000

369 207 249. .338................ 1 1 1 I ' 1 ' 1 I ' 1 --4 m/z-> 50 100 150 200 250 300 350 400 450 500 550 22.40 22.60 22.80 23.00 23.20

LBE.D GCMS1126.M Fri Jan 25 12:07:49 2002 Page 7

NYC-WTC_000018599

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NYC-WTC_000018599Source: NYC Law Department, mirrored locally

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