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GCMS blank analysis results, Dec 2001

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Laboratory report documenting gas chromatography-mass spectrometry blank analysis conducted on December 27, 2001.

NYC-WTC_000017663–000017674

Folder label: “GCMS X 12/13/01 A 12/27/01

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Data File : C:\HPCHEM\1\DATA\DEC2701\LBA.D Vial: 4 Acq On : 27 Dec 2001 1:06 pm Operator: 209 GALOS Sample : GC/MS SCAN 12/13 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: GOOFY.P Quant Time: Dec 27 13:55 2001 Quant Results File: GCMS1126.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Fri Dec 14 12:19:30 2001 Response via : Initial Calibration DataAcq Meth : GCMS1126

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

1) 1,4-Dichlorobenzene-d4 11.68 152 902919 20.00 ug/1 -0.02 10) Naphthalene-d8 15.29 136 3463888 20.00 ug/1 -0.02 17) Acenaphthene-diO 20.56 164 1739938 20.00 ug/1 -0.01 29) Phenanthrene-diO 24.99 188 2554439 20.00 ug/1 0.00 38) Chrysene-dl2 33.02 240 1527580 20.00 ug/1 -0.01 44) Perylene-dl2 37.13 264 1007733 20.00 ug/1 0.00

System Monitoring Compounds 37) 2,4-DDD 30.07 235 159883 4.32 ug/mL 0.00 Spiked Amount 5.000 Recovery = 86.40%

Target Compounds Qvalue 2) N-nitroso-dimethyl amine 0.00 74 0 N.D. 3) bis(2-Chloroethyl)ether 11.16 93 1574 N.D. 4) 1,3-Dichlorobenzene 11.60 146 977 N.D. % 5) 1,4-Dichlorobenzene 11.73 146 1421 N.D. 6) 1,2-Dichlorobenzene 12.27 146 1219 N.D. 7) 2,2’-oxybi s(1-Chioropropan 0.00 45 0 N.D. 8) N-Nitroso-di-n-propylamine 0.00 70 0 N.D. 9) Hexachloroethane 13.06 117 366 N.D. 11) Nitrobenzene 13.35 77 325 N.D. 12) 1sophorone 14.11 82 301 N.D. 13) bis(2-Chloroethoxy)methane 0.00 93 0 N.D. 14) 1,2,4-Trichlorobenzene 15.19 180 1090 N.D. 15) Naphthalene 15.34 128 7175 N.D. 16) Hexachlorobutadiene 15.91 225 469 N.D. 18) Hexachlorocyclopentadiene 0.00 237 0 N.D. 19) 2-Chloronaphthalene 18.97 162 1215 N.D. 20) Dimethylphthalate 20.11 163 1596 N.D. 21) 2,6-Dinitrotoluene 0.00 165 0 N.D. 22) Acenaphthylene 20.12 152 2154 N.D. 2 3) Acenaphthene 20.66 153 2710 N.D. 24) 2,4-Dinitrotoluene 21.14 165 518 N.D. 25) Diethylphthalate 22.13 149 2605 N.D. 26) 4-Chlorophenyl-phenylether 22.26 204 464 N.D. 27) Fluorene 22.25 166 2051 N.D. 28) Azobenzen/ 1,2-Diphenylhyd 0.00 77 0 N.D.

(#) = qualifier out of range (m) = manual integration LBA.D GCMS1126.M Mon Dec 31 12:37:49 2001 Page 1

NYC-WTC_000017664

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