GCMS blank analysis results for sample AD31586, January 2002

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Laboratory report of a GCMS blank analysis for sample AD31586 listing chemical compounds with results below detection limits.

NYC-WTC_000049684–000049692

Folder label: “GCMS X 1/2/02 A 1/3 - 1/4/02”

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Data File C: \HPCHEM\ 1 \DATA\ JAN03 02 \LBB . D Vial: 31 Acq On 4 Jan 2002 3:45 pm Operator: 209 GALOS Sample gems scan 1/2a Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Time: Feb 1 9:29 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 11.52 152 697158 20.00 ug/1 -0.17 10) Naphthalene-d8 15.12 136 2745288 20.00 ug/1 -0.18 17) Acenaphthene-diO 20.39 164 1380117 20.00 ug/1 -0.18 29) Phenanthrene-diO 24.81 188 1922098 20.00 ug/1 -0.18 3 8) Chrysene-dl2 32.83 240 1147291 20.00 ug/1 -0.20 44) Perylene-dl2 36.90 264 662204 20.00 ug/1 -0.22

System Monitoring Compounds 37) 2,4-DDD 29.89 235 107099 5.07 ug/mL -0.18 Spiked Amount 5.000 Recovery = 101.40%

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-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 15.17 128 415 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. 22) Acenaphthylene 0.00 152 0 N.D. 23) Acenaphthene ‘0.00 153 0 N.D. 24) 2,4-Dinitrotoluene 20.71 165 332 N.D. 25) Diethylphthalate 21.94 149 190 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 LBB.D GCMS1126.M Fri Feb 01 09:30:23 2002 Page 1

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