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GCMS blank analysis results for sample AE04803, April 2002

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Laboratory report showing non-detectable levels of volatile organic compounds in a method blank analyzed on April 2, 2002.

NYC-WTC_000058487–000058493

Folder label: “GCMS X 3/5/02 A 3/29/02

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Data File : C:\HPCHEM\l\DATA\MAR2802\LBA.D Vial: 15 Acq On : 28 Mar 2002 10:26 pm Operator: Sample : gc/ms scan 3/5 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: GOOFY.P Quant Time: Apr 1 14:52 2002 Quant Results File: GCMS0308.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS0308.M (RTE Integrator) Title ': 209 625/TCLP calibration table Last Update : Fri Mar 29 10:31:28 2002 Response via : Initial Calibration DataAcq Meth : GCMS0308

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

1) 1,4-Dichlorobenzene-d4 12.25 152 399139 20.00 ug/1 -0.10 10) Naphthalene-d8 15.88 136 1441692 20.00 ug/1 -0.12 17) Acenaphthene-dlO 21.19 164 820270 20.00 ug/1 -0.13 29) Phenanthrene-dlO 25.63 188 1157954 20.00 ug/1 -0.14 38) Chrysene-dl2 33.69 240 584184 20.00 ug/1 -0.15 44) Perylene-dl2 37.93 264 331674 20.00 ug/1 -0.19

System Monitoring Compounds ^/.4/ 37) 2,4-DDD 30.71 235 85156 7-r3^ ug/mL 0.21 Spiked Amount 5.000 Recovery

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 12.15 146 256 N.D. 5) 1,4-Dichlorobenzene 12.29 146 354 N.D. 6) 1,2-Dichlorobenzene 12.81 146 256 N.D. 7) 2,2'-oxybis(1-Chloropropan 0.00 45 0 N.D. 8) N-Nitrosb-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) Isophorone 0.00 82 0 N.D. 13) bis(2-Chloroethoxy)methane 0.00 93 0 N.D. 14) 1,2,4-Trichlorobenzene 15.78 180 190 N.D. 15) Naphthalene 15.94 128 635 N.D. 16) Hexachlorobutadiene 16.49 225 353 N.D. 18) Hexachlorocyclopentadiene 0.00 .237 0 N.D. 19) 2-Chloronaphthalene 0.00 162 0 N.D. 2 0) D.imethylphthalate 0.00 163 0 N.D. ■21) 2,6-Dinitrotoluene 0.00 165 0 N.D. 22) Acenaphthylene 0.00 152 0 N.D. 23) Acenaphthene 0.00 153 0 N.D. 24) 2,4-Dinitrotoluene 0.00 165 0 N.D. 25) Diethylphthalate 22.67 149 458 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 LBA.D GCMS0308.M Mon Apr 01 14:53:39 2002 Page 1

NYC-WTC_000058488

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NYC-WTC_000058488Source: NYC Law Department, mirrored locally

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