GCMS blank analysis, sample AD31432, Jan 2002

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Blank analysis report for DEP sample AD31432 showing non-detect levels for volatile organic compounds from January 22, 2002.

NYC-WTC_000016555–000016563

Folder label: “GCMS X 12/31/01 A 1/18/02”

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Data File : C:\HPCHEM\1\DATA\JAN1802\LB.D Vial: 4 Acq On : 18 Jan 2002 6:34 pm Operator: 209 GALOS Sample : gc/ms scan 12/31 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: GOOFY.P Quant Time: Feb 6 15:01 2002 Quant Results File: GCMS0103.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS0103.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Mon Jan 07 10:31:02 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 840484 20.00 ug/1 -0.03 10) Naphthalene-d8 15.09 136 3258258 20.00 ug/1 -0.03 17) Acenaphthene-diO 20.36 164 1616708 20.00 ug/1 -0.03 29) Phenanthrene-diO 24.77 188 2222844 20.00 ug/1 -0.04 38) Chrysene-dl2 32.80 240 1399676 20.00 ug/1 -0.04 44) Perylene-dl2 36.87 264 851828 20.00 ug/1 -0.03

System Monitoring Compounds 37) 2,4-DDD 29.85 235 112859 4.42 ug/mL -0.22 Spiked Amount 5.000 Recovery = 88.40%

Target Compounds Qvalue 2) N-nitroso-dimethyl amine 0.00 74 0 N.D. 3) bis(2-Chloroethyl)ether 10.87 93 449 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) 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 15.16 128 800 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. 2 3) Acenaphthene 0.00 153 0 N.D. 24) 2,4-Dinitrotpluene 20.81 165 106 N.D. 25) Diethylphthalate 21.89 149 406 N.D. 26) 4-Chlorophenyl-phenylether 0.00 204 0 N.D. 27) Fluorene 0.00 166 0 N.D. 2 8) Azobenzen/ 1,2 -Diphenylhyd 0.00 77 0 N.D.

(#) = qualifier out of range (m) = manual integration LB.D GCMS0103.M Wed Feb 06 15:01:56 2002 Page 1

NYC-WTC_000016556

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NYC-WTC_000016285

Laboratory report of a GCMS blank run performed on February 7, 2002, to verify absence of contamination.

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