GCMS blank analysis results for sample AD29735, Jan 29 2002

Machine-extracted title · confidence 100%

Blank analysis report confirming no detectable levels of target compounds above the method detection limit.

NYC-WTC_000018808–000018816

Folder label: “GCMS X 12/17/01 A 12/22 - 12/23/01”

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Data File : M:\INSTRU~1\209\DATA\DEC2101\LBE.D Vial: 15 Acq On : 22 Dec 2001 10:26 pm Operator: 209 GALOS Sample : gc/ms scan 12/17 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Time: Jan 29 11:56 2002 Quant Results File: GCMS1126.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title ’ : 209 625/TCLP calibration table Last Update : Fri Jan 25 15:57:52 2002 Response via : Initial Calibration DataAcq Meth : GCMS1126

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

1) 1,4-Dichlorobenzene-d4 11.67 152 777544 20.00 ug/1 -0.03 10) Naphthalene-d8 15.27 136 2982160 20.00 ug/1 -0.03 17) Acenaphthene-dlO 20.55 164 1437334 20.00 ug/1 -0.02 29) Phenanthrene-diO 24.98 188 2150012m 20.00 ug/1 -0.01 38) Chrysene-dl2 33.01 240 1377050 20.00 ug/1 -0.02 44) Perylene-dl2 37.10 264 839824 20.00 ug/1 -0.01

System Monitoring Compounds 37) 2,4-DDD 30.05 235 110574 4.68 ug/mL -0.02 Spiked Amount 5.000 Recovery = 93.60%

Target Compounds Qvalue 2) N-nitroso-dimethyl amine 5.24 74 722 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 13.23 77 172 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 15.34 128 803 N.D. 16) Hexachlorobutadiene 0.00 225 0 N.D. 18) Hexachiorocyclopentadiene 0.00 237 0 N.D. 19) 2-Chioronaphthalene 0.00 162 0 N.D. 20) Dimethylphthalate 0.00 163 0 N.D. 21) 2,6-Dinitrotoluene 0.00 165 0 N.D. 2 2) Acenaphthylene 0.00 152 0 N.D. 2 3) Acenaphthene 0.00 153 0 N.D. 24) 2,4-Dinitrotoluene 21.07 165 259 N.D. 25) Diethylphthalate 22.11 149 1113 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 LBE.D GCMS1126.M Tue Jan 29 11:57:28 2002 Page 1

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