GCMS analysis results, sample AE06761, April 2002

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Gas chromatography-mass spectrometry analysis of sample AE06761 conducted on 4/19/2002, detecting unknown compounds and surrogate standard 2,4-DDD at 100 ug/L.

NYC-WTC_000040029–000040036

Folder label: “GCMS X 3/21/02 A 4/16/02”

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NYC 9/11 Public Portal Document yualiw. L&L —V11 CDVA 12 L IV S WwU/

Data File : C:\MSDCHEM\l\DATA\041602\6761.D Vial: 9 Acq On : 16 Apr 2002 3:13 pm Operator: Bohik Sample : SAMPLE 6761 3/21/02 Inst Instrumen Mise : Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Apr 18 15:53:38 2002 (Quant Results File: 5080402BBC.RES

Quant Method : C:\MSDCHEM\1\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 421024 40.00 ug/L 0.00 10) Naphthalene-d8 12.88 136 1905619 40.00 ug/L 0.00 17) Acenaphthene-diO 17.99 164 1057402 40.00 ug/L 0.00 30) Phenanthrene-dlO 22.34 188 1518391 40.00 ug/L 0.00 39) Chrysene-dl2 30.14 240 1218003 40.00 ug/L -0.01 45) Perylene-dl2 34.01 264 710394 40.00 ug/L 0.00

System Monitoring Compounds 28) TCMX (SURR) 0.00 244 0 0.00 ug/L Spiked Amount 10.000 Recovery 0.00% 38) 2,4-DDD (SURR) 27.27 235 113548 10.04 ug/L 0.00 Spiked Amount 10.000 Recovery = 100.40%

Target Compounds 2) N-nitroso-dimethyl amine 3) bis(2-chloroethyl) ether 4) 1,3 - Dichlorobenze 5) 1,4 - Dichlorobenzene 6) 1,2 - Dichlorobenzene 7) 2,2 ' - oxybis (l-Chloropr 8) N-Nitroso-di-n-propylamine 9) Hexachloroethane 11) Nitrobenzene 12) Isophorone 13) bis(2-Chloroethoxy) methan 14) 1,2,4-Trichlorobenzene 15) Naphthalene 16) Hexachlorobutadiene 18) Hexachlorocyclopentadiene 19) 2-chloronaphthalene 20) Dimethylphthalate 21) 2,6-Dinitrotoluene 22) Acenaphthylene 23) Acenaphthene 24) 2,4-Dinitrotoluene 25) Diethylphthalate 26) 4-Chlorophenyl-phenyl ethe 27) Fluorene 29) Azobenzen/ 1,2-Diphenylhyd 31) N-Nitrosodiphenylamine 32) 4-Bromophenyl-phenyl ether 33) Hexachlorobenzene 34) Phenanthrene 35) Anthracene 36) Di-n-butylphthalate 37) Fluoranthene 4 0) Pyrene 41) Butylbenzylphthalate 42) Benzo (a) antracene 43) Bis (2-ethylhexyl) phthala 44) Chrysene Qvalue 0.00 74 0 N.D. d 0.00 93 0 N.D. 0.00 146 0 N.D. 0.00 146 0 N.D. 0.00 146 0 N.D. 0.00 45 0 N.D. 0.00 70 0 N.D. 0.00 117 0 N.D. 0.00 77 0 N.D. 0.00 82 0 N.D. 0.00 93 0 N.D. 0.00 180 0 N.D. 0.00 128 0 N.D. 0.00 225 0 N.D. 0.00 237 0 N.D. 0.00 162 0 N.D. 0.00 163 0 N.D. 0.00 165 0 N.D. d 0.00 152 0 N.D. 0.00 153 0 N.D. 0.00 165 0 N.D. 0.00 149 0 N.D. 0.00 204 0 N.D. 0.00 166 0 N.D. 0.00 77 0 N.D. 0.00 169 0 N.D. 0.00 248 0 N.D. 0.00 284 0 N.D. 0.00 178 0 N.D. 0.00 178 0 N.D. 24.51 149 11998 0.25 ug/L 85 0.00 202 0 N.D. 0.00 202 0 N.D. 0.00 149 0 N.D. 0.00 228 0 N.D. 30.77 149 22285 0.74 ug/L 96 0.00 228 0 N.D.

(#) = qualifier out of range (m) = manual integration 6761.D 5080402BBC.M Thu Apr 18 15:55:00 2002 Page 1

NYC-WTC_000040031

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NYC-WTC_000040031Source: NYC Law Department, mirrored locally

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