GCMS analysis results for sample AE01156, March 29 2002

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Gas chromatography-mass spectrometry analysis of sample AE01156 conducted March 29, 2002, showing surrogate standard 2,4-DDD recovery.

NYC-WTC_000059693–000059702

Folder label: “GCMS X 3/13/02 A 3/27/02”

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Quantitation Report (QT Reviewed)

Data File : C:\HPCHEM\l\DATA\MAR2102\1156.D Vial: 19 Acq On : 22 Mar 2002 5:02 am Operator: Sample : re-extract Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: GOOFY.P Quant Time: Mar 25 9:092002 iQuant Results File: GCMS0308.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS0308.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Fri Mar 08 08:54:27 2002 ■ Response via : Initial Calibration DataAcq Meth : GCMS0308

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

1) 1,4-Dichlorobenzene-d4 12.27 152 738577 20.00 ug/1 -0.09 10) Naphthalene-d8 15.90 136 2912992 20.00 ug/1 -0.10 17) Acenaphthene-dlO 21.22 164 1559330 20.00 ug/1 -0.10 29) Phenanthrene-dlO 25.66 188 2325288 20.00 ug/1 -0.11 38) Chrysene-dl2 33.73 240 1458674 20.00 ug/1 -0.11 44) Perylene-dl2 37.98 264 902041 20.00 ug/1 -0.14

System Monitoring Compounds 37) 2,4-DDD 30.74 235 86121 5.10 ug/mL 0.24 Spiked Amount 5.000 Recovery = 102.00%

Target Compounds Qvalue 2) N-nitroso-dimethyl amine 0.00 74 0 N.D. 3) bis(2-Chloroethyl)ether 0.00 93 0 N.D. 4) 1,3-Dichlorobenzene 12.17 146 574 N.D. 5) 1,4-Dichlorobenzene 12.31 146 602 N.D. 6) 1,2-Dichlorobenzene 12.83 146 329 N.D. 7) 2,2'-oxybis(1-Chloropropan 0.00 45 0 N.D. 8) N-Nitroso-di-n-propylamine 0.00 70 0 N.D. 9) Hexachloroethane 13.67 117 289 N.D. 11) Nitrobenzene 0.00 77 0 N.D. 12) Isophorone 14.60 82 176 N.D. 13) bis(2-Chloroethoxy)methane 0.00 93 0 N.D. 14) 1,2,4-Trichlorobenzene 15.78 180 336 N.D. 15) Naphthalene 15.96 128 1065 N.D. 16) Hexachlorobutadiene 16.52 225 577 N.D. 18) Hexachlorocyclopentadiene 0.00 237 0 N.D. 19) 2-Chloronaphthalene 19.49 162 253 N.D. 20) Dimethylphthalate 20.57 163 350 N.D. 21) 2,6-Dinitrotoluene 0.00 165 0 N.D. 22) Acenaphthylene 20.75 152 277 N.D. 23) Acenaphthene 21.30 153 420 N.D. 24) 2,4-Dinitrotoluene 21.47 165 1476 N.D. 25) Diethylphthalate 22.70 149 1019 N.D. 26) 4-Chlorophenyl-phenylether 0.00 204 0 N.D. 27) Fluorene 22.84 166 512 N.D. 28) Azobenzen/ 1,2-Diphenylhyd 0.00 77 0 N.D.

(#) = qualifier out of range (m) = manual integration 1156.D GCMS0308.M Mon Mar 25 09:13:19 2002 Page 1

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