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← Document results/DEP Box 28/GCMS X 1/7/02 A 1/8/02
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GCMS blank analysis results for sample AE00275, Jan 2002

Machine-extracted title · confidence 90%

Laboratory report documenting GCMS blank analysis to verify system cleanliness during January 8-10, 2002 testing.

NYC-WTC_000051024–000051039

Folder label: “GCMS X 1/7/02 A 1/8/02”

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NYC 9/11 Public Portal Document

Quantitation Report (Not Reviewed)

Data File C: \MSDCHEM\1\5973N\02JAN08\00275.D Vial: 1 Acq On 8 Jan 2002 3 :24 pm Operator: Sample 508scan Inst : Instrumen Mise January 8, 2002 Multiplr: 1.00 MS Integration Params: SPLIT.P Quant Time: Jan 09 12:49:41 2002 Quant Results File: SCAN508.RES

Quant Method : C:\MSDCHEM\1...\SCAN508. M (RTE Integrator) Title : 508 scan method Last Update : Wed Jan 09 12:49:14 2002 Response via : Initial Calibration DataAcq Meth : SCAN508

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

1) 1,4-Dichlorobenzene-d4 9.71 152 1077067 20.00 ug/L 0.00 10) Naphthalene-d8 13.19 136 4575215 20.00 ug/L -0.02 17) Acenaphthene-dlO 18.34 164 2366176 20.00 ug/L -0.01 29) Phenanthrene-dlO 22.63 188 3972606 20.00 ug/L -0.03 38) Chrysene-dl2 30.49 240 3729299 20.00 ug/L -0.02 44) Perylene-dl2 34.42 264 2770365 20.00 ug/L 0.00

System Monitoring Compounds 37) 2,4-DDD 27.73 235 338597 5.39 ug/L 0.00 Spiked Amount 5.000 Recovery = 107.80%

Target Compounds Qvalue 2) N-nitroso-dimethylamine 3.60 74 11470 0.25 ug/L # 10 3) bis (2-Chloroethyl) ether 0.00 93 0 N. 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-Chloropropa 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) metha 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 18.34 163 387820 2.48 ug/L 55 21) 2,6-Dinitrotoluene 18.34 165 297386 9.76 ugXL 17 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 0.00 149 0 N.D. 26) 4-Chlorophenyl-phenylether 0.00 204 0 N.D. 27) Fluorene 0.00 166 0 N.D. 28) Azobenzene 0.00 77 0 N.D. 30) N-nitrosodiphenylamine 0.00 169 0 N.D. 31) 4-Bromophenyl-phenylether 0.00 248 0 N.D. 32) Hexachlorobenzene 0.00 284 0 N.D. 33) Phenanthrene 0.00 178 0 N.D. 34) Anthracene 0.00 178 0 N.D.

(#) = qualifier out of range (m) = manual integration 00275.D SCAN508.M Wed Jan 09 12:49:42 2002 Page 1

NYC-WTC_000051025

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NYC-WTC_000051025Source: NYC Law Department, mirrored locally

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