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GCMS analysis results, sample AD31551, February 2002

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Gas chromatography-mass spectrometry analysis of environmental sample AD31551 conducted on 2/27/2002, detecting unknown compounds and 2,4-DDD surrogate at 122 ug with 5.0 ug/L MDL.

NYC-WTC_000038158–000038166

Folder label: “GCMS X 2/21/02 A 2/22/02

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Data File : C:\HPCHEM\l\DATA\FEB2102\31551.D Vial: 37 Acq On : 23 Feb 2002 2:37 am Operator: Sample : gc/ms scan 2/21 Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: GOOFY.P Quant Time: Feb 27 11:43 2002 Quant Results File: GCMS0208.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS0208.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Wed Feb 27 11:30:15 2002 Response via : Initial Calibration DataAcq Meth : GCMS0208

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

1) 1,4-Dichlorobenzene-d4 12.34 152 258012 20.00 ug/1 -0.02 10) Naphthalene-d8 15.97 136 983438 20.00 ug/1 -0.03 17) Acenaphthene-diO 21.29 164 531115 20.00 ug/1 -0.03 29) Phenanthrene-dlO 25.74 188 742246 20.00 ug/1 -0.03 38) Chrysene-dl2 33.80 240 471979 20.00 ug/1 -0.05 44) Perylene-dl2 38.08 264 310720 20.00 ug/1 -0.05

System Monitoring Compounds 37) 2,4-DDD 30.82 235 47434 6.12 ug/mL 0.32 Spiked Amount 5.000 Recovery = 122.40%

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 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-Chloropropan 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)methane 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. 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 22.76 149 367 N.D. 26) 4-Chlorophenyl-phenylether 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.

(#) = qualifier out of range (m) = manual integration 31551.D GCMS0208.M Wed Feb 27 11:44:28 2002 Page 1

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