GCMS analysis results, sample AE05918, April 2002

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Gas chromatography-mass spectrometry analysis of sample AE05918 showing detection of unknown compounds and 2,4-DDD surrogate, completed April 5, 2002.

NYC-WTC_000059853–000059867

Folder label: “GCMS X 3/14/02 A 3/23/02”

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

e Data File : C:\MSDCHEM\l\DATA\032202\5918.D Vial: 12 Acq On ' : 23 Mar 2002 4:21 am Operator: McLean Sample : SAMPLE 5918 3/14/02 Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Apr 05 07:30:40 2002 (Quant Results File: 5080302.RES

Quant Method : C:\MSDCHEM\l\5973N\5080302.M (RTE Integrator) Title : Quantitation For Method 508gcscan .Last Update : Wed Mar 27 06:57:36 2002 Response via : Initial Calibration DataAcq Meth : 508SCAN

Internal Standards R.T. Qlon Response Cone Units Dev(Min)

1) 1,4-Dichlorobenzene-d4 9.55 150 1404563 20.00 ug/L 0.00 10) Naphthalene-d8 13.03 136 4282259 20.00 ug/L 0.00 17) Acenaphthene-dlO 18.14 164 2369246 20.00 ug/L 0.00 29) Phenanthrene-dlO 22.50 188 3586476 20.00 ug/L 0.00 38) Chrysene-dl2 30.31 240 2659849 20.00 ug/L -0.01 44) Peryl’ene-dl2 34.18 264 1361049 20.00 ug/L 0.00

System Monitoring Compounds 37) 2,4-DDD (SURR) 27.43 235 201430 4.71 ug/L 0.00 Spiked Amount 5.000 Recovery = 94.20%

Target Compounds Qvalue 2) N-nitrosb-dimethyl amine 3.30 74 6792 N.D. 3) bis(2-chloroethyl) ether 0.00 93 0 N.D. 4) 1,3 - Dichlorobenze 0.00 146 0 N.D. 5) 1,4 - Dichlorobenzene 0.00 146 0 N.D. 6) 1,2 - Dichlorobenzene 0.00 146 0 N.D. 7) 2,2 ' - oxybis (1-Chloropr 0.00 45 0 N.D. 8) N-Nitroso-di-n-propylamine 0.00 70 0 N.D. 9) Hexachloroethane 0.00 117 0 N.D. 11) Nitrobenzene 0.00 77 0 N.D. 12) Isophorone 0.00 82 0 N.D. 13) bis(2-Chloroethoxy) methan 0.00 93 0 N.D. 14) 1,2,4-Trichlorobenzene 0.00 180 0 N.D. 15) Naphthalene 0.00 128 0 N.D. 16) Hexachlorobutadiene 0.00 225 0 N.D. 18) Hexachlorocyclopentadiene 0.00 237 0 N.D. 19) 2-chloronaphthalene 0.00 162 0 N.D. 20) Dimethylphthalate 0.00 163 0 N.D. 21) 2,6-Dinitrotoluene 0.00 165 0 N.D. d .22) Acenaphthylene 0.00 152 0 N.D. 23) Acenaphthene 0.00 153 0 N.D. 24) 2,4-Dinitrotoluene 0.00 165 0 N.D. 25) Diethylphthalate 0.00 149 0 N.D. 26) 4-Chlorophenyl-phenyl ethe 0.00 204 0 N.D. 27) Fluorene 0.00 166 0 N.D. 28) Azobenzen/ 1,2-Diphenylhyd 0.00 77 0 N.D. 30) N-Nitrosodiphenylamine 0.00 169 0 N.D. 31) 4-Bromophenyl-phenyl ether 0.00 248 0 N.D. 32) Hexachlorobenzene 0.00 284 0 N.D. 33) Phenanthrene 0.00 178 0 N.D. 34) Anthracene 0.00 178 0 N.D. 35) Di-n-butylphthalate 24.65 149 16587 N.D. 36) Fluoranthene 0.00 202 0 N.D. 3 9) Pyrene 0.00 -202 0 N.D. 40) Butylbenzylphthalate .0.00 149 0 N.D. 41) Benzo (a) antracene 30.31 228 6706 N.D. 42) Bis (2-ethylhexyl) phthala 30.91 149 5048 N.D. 43) Chrysene 30.31 228 6706 N.D. 45) Di-n-Octylphthalate 0.00 149 0 N.D. 46) Benzo (b) fluoranthene 0.00 252 0 N.D.

(#) = qualifier out of range (m) = manual integration 5918.D 5080302.M Fri Apr 05 07:30:55 2002 Page 1

NYC-WTC_000059855

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