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GCMS analysis results, sample AD31379, Feb 2002

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Gas chromatography-mass spectrometry analysis of environmental sample AD31379 completed on 02/07/2002, showing 2,4-DDD surrogate recovery at 115%.

NYC-WTC_000016204–000016212

Folder label: “GCMS X 12/26/01 A 1/15-1/16/02

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Data File : C:\HPCHEM\1\DATA\JAN1502\31379.D Vial: 15 Acq On : 16 Jan 2002 12:40 am Operator: 209 GALOS Sample : gc/ms scan 12/26 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Time: Feb 4 14:18 2002 Quant Results File: GCMS1126.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Tue Jan 22 11:56:23 2002 Response via : Initial Calibration DataAcq Meth : GCMS0103

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

1) 1,4-Dichlorobenzene-d4 11.50 152 750611 20.00 ug/1 -0.20 10) Naphthalene-d8 15.10 136 2940354 20.00 ug/1 -0.21 17) Acenaphthene-diO 20.36 164 1493320 20.00 ug/1 -0.22 29) Phenanthrene-diO 24.77 188 2012418 20.00 ug/1 -0.22 38) Chrysene-dl2 32.80 240 1095980 20.00 ug/1 -0.24 44) Perylene-dl2 36.86 264 630064 20.00 ug/1 -0.25

System Monitoring Compounds 37) 2,4-DDD 29.85 235 127761 5.77 ug/mL -0.22 Spiked Amount 5.000 Recovery = 115.40%

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 11.42 146 313 N.D. 5) 1,4-Dichlorobenzene 11.54 146 524 N.D. 6) 1,2-Dichlorobenzene 11.54 146 524 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) 1sophorone 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 15.15 128 2583 N.D. 16) Hexachlorobutadiene 15.70 225 175 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. 2 3) Acenaphthene 0.00 153 0 N.D. 24) 2,4-Dinitrotoluene 20.64 165 263 N.D. 25) Diethylphthalate 21.88 149 797 N.D. 26) 4-Chlorophenyl-phenylether 0.00 204 0 N.D. 2 7) 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 31379.D GCMS1126.M Mon Feb 04 14:24:38 2002 Page 1

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