GC/MS blank analysis results, Jan 25 2002

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Laboratory report showing non-detect results for volatile organic compounds in a GC/MS blank sample.

NYC-WTC_000018588–000018604

Folder label: “GCMS X 12/19/01 A 1/2/02”

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NYC 9/11 Public Portal Document

&, Quantitation Report (QT Reviewed)

Data File C: \HPCHEM\ 1 \DATA\DEC3101 \LBE. D Vial: 40 Acq On 2 Jan 2002 2:43 am Operator: 209 GALOS Sample gems scan 12/19a Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Time: Jan 25 9:30 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 : GCMS1126

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

1) 1,4-Dichlorobenzene-d4 11.67 152 1043144 20.00 ug/1 -0.03 10) Naphthalene-d8 15.28 136 3985818 20.00 ug/1 -0.03 17) Acenaphthene-dlO 20.56 164 1984454 20.00 ug/1 -0.02 29) Phenanthrene-diO 24.98 188 3013816 20.00 ug/1 -0.01 38) Chrysene-dl2 33.02 240 1925708 20.00 ug/1 -0.01 44) Perylene-dl2 37.12 264 1152507 20.00 ug/1 0.00

System Monitoring Compounds 37) 2,4-DDD 30.07 235 152327 4.60 ug/mL 0.00 Spiked Amount 5.000 Recovery = 92.00%

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 0.00 146 0 N.D. 5) 1,4-Dichlorobenzene 0.00 146 0 N.D. 6) 1,2-Dichiorobenzene 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 14.20 82 614 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 15.33 128 1170 N.D. 16) Hexachiorobutadiene 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 20.27 163 394 N.D. 21) 2,6-Dinitrotoluene 0.00 165 0 N.D. 22) Acenaphthylene 20.14 152 196 N.D. 2 3) Acenaphthene 20.65 153 354 N.D. 24) 2,4-Dinitrotoluene 21.34 165 197 N.D. 25) Diethylphthalate 22.14 149 2361 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 Fri Jan 25 09:31:32 2002 Page 1

NYC-WTC_000018589

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