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GCMS blank analysis results, sample AE09329, April 2002

Machine-extracted title · confidence 90%

Quality control blank analysis for GCMS showing non-detect results for semi-volatile organic compounds with detection limits of 2.0 µg, completed April 25, 2002.

NYC-WTC_000044758–000044765

Folder label: “GCMS X 4/29/02 A 5/3/02

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NYC 9/11 Public Portal Document

Data File : C:\HPCHEM\l\DATA\APR2502\LB.D Vial: 3 Acq On : 25 Apr 2002 2:41 pm Operator: Sample : gc/ms scan 4/18 Inst : 209 Mise : Multiplr: 1.00 MS Integration Params: GOOFY.P Quant Time: Apr 25 15:33 2002 Quant Results File: GCMS0412.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS0412.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Thu Apr 25 15:21:43 2002 Response via : Initial Calibration DataAcq Meth : GCMS0412

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

1) 1,4-Dichlorobenzene-d4 12.21 152 573294 20.00 ug/1 -0.03 10) Naphthalene-d8 15.84 136 2078612 20.00 ug/1 -0.03 17) Acenaphthene-diO 21.15 164 1175633 20.00 ug/1 -0.02 30) Phenanthrene-dlO 25.59 188 1730610 20.00 ug/1 -0.02 39) Chrysene-dl2 33.64 240 1089581 20.00 ug/1 -0.03 45) Perylene-dl2 37.88 264 674602 20.00 ug/1 -0.04

System Monitoring Compounds 6722 , 28) TCMX 23.29 209 36025 6.06-ug/L -0.04 Spiked Amount 10.000 Recovery = -6-060% ^4% 38) 2,4-DDD 0.00 235 0 0.00 ug/mL Spiked Amount 5.000 Recovery = 0.00%

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-Dichlorobenzene 0.00 146 0 N.D. 7) 2,21-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) Isophorone 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 0.00 128 0 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 0.00 165 0 N.D. 25) Diethylphthalate 22.62 149 169 N.D. 26) 4-Chlorophenyl-phenylether 0.00 204 0 N.D. 27) Fluorene 0.00 166 0 N.D. 29) Azobenzen/ 1,2-Diphenylhyd 0.00 77 0 N.D. 31) N-Nitrosodiphenylamine 0.00 168 0 N.D. 32) 4-Bromophenyl-phenylether 0.00 248 0 N.D.

(#) = qualifier out of range (m) = manual integration LB.D GCMS0412.M Thu Apr 25 15:34:16 2002 Page 1

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NYC-WTC_000044759Source: NYC Law Department, mirrored locally

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