GCMS analysis results, sample AE06857, April 2002

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Gas chromatography-mass spectrometry analytical results for sample AE06857 showing surrogate compound 2,4-DDD recovery at 90% with detection limit 10.0 ug, completed April 23, 2002

NYC-WTC_000060814–000060823

Folder label: “GCMS X 3/25/02 A 4/17/02”

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Data File C:\MSDCHEM\1\DATA\041702\6857.D vial: 6 Acq On 17 Apr 2002 12:43 pm Operator: Bohlk Sample SAMPLE 6857, FB 3/25/02 Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Apr 22 11:12:14 2002 Quant Results File: 5080402BBC.RES

Quant Method : C:\MSDCHEM\l\5973N\5080402BBC.M (RTE Integrator) Title : Quantitation For Method 508gcscan Last Update : Tue Apr 16 18:27:45 2002 Response via : Initial Calibration DataAcq Meth : 508SCAN

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

1) 1,4-Dichlorobenzene-d4 9.41 152 655310 40.00 ug/L 0.00 10) Naphthalene-d8 12.89 136 2859860 40.00 ug/L 0.00 17) Acenaphthene-dlO 17.99 164 1620398 40.00 ug/L 0.00 30) Phenanthrene-dlO 22.35 188 2331735 40.00 ug/L 0.00 39) Chrysene-dl2 30.15 240 1994905 40.00 ug/L 0.00 45) Perylene-dl2 34.03 264 1264591 40.00 ug/L 0.01

System Monitoring Compounds 28) TCMX (SURR) 0.00 244 0 0.00 ug/L ^-1 Spiked Amount 10.000 Recovery = 0.00^ 38) 2,4-DDD (SURR) 27.28 235 106120 6.11 ug/L /o.Ol Spiked Amount

Target Compounds 10.000

2) N-nitroso-dimethyl amine 0.00 74 Recovery

0 = N.D. Qvalue qo /o V 3) bis(2-chloroethyl) ether 0.00 93 0 N.D. 4) 1,3 - Dichlorobenze 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-Chloropr 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) methan 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. 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 0.00 149 0 N.D. 26).4-Chlorophenyl-phenyl ethe 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 0.00 169 0 N.D. 32) 4-Bromophenyl-phenyl ether 0.00 248 0 N.D. 33) Hexachlorobenzene 0.00 284 0 N.D. 34) Phenanthrene 0.00 178 0 N.D. 35) Anthracene 0.00 178 0 N.D. 36) Di-n-butylphthalate 0.00 149 0 N.D. 37) Fluoranthene 0.00 202 0 N.D. 4 0) Pyrene 0.00 202 0 N.D. 41) Butylbenzylphthalate 0.00 149 0 N.D. 42) Benzo (a) antracene 0.00 228 0 N.D. d . 43) Bis (2-ethylhexyl) phthala 30.76 149 12038 0.24 ug/L 90 44) Chrysene 0.00 228 0 N.D. d

(#) = qualifier out of range (m) = manual integration 6857.D 5080402BBC.M Mon Apr 22 11:13:34 2002 Page 1

NYC-WTC_000060817

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