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← Document results/DEP Box 12/GCMS X 2/12/02 A 3/01/02
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GCMS surrogate recovery results for sample AE03184, March 2002

Machine-extracted title · confidence 100%

Analytical report showing surrogate recovery data for sample AE03184 analyzed on March 15, 2002.

NYC-WTC_000006045–000006064

Folder label: “GCMS X 2/12/02 A 3/01/02”

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NYC 9/11 Public Portal Document 2 —tai vv — /

Data File : C:\MSDCHEM\1\5973N\02MAR01\03184.D Vial: 4 ' Acq Oh : 1 Mar 2002 12 :48 pm Operator: Sample : 508 scan Inst : Instrumen • Mise : March 1, 2002 Multiplr: 1.00 MS Integration Params: SPLIT.P Quant Time: Mar 04 10:50:44 2002 Quant Results File: HP022102.RES

Quant Method : C:\MSDCHEM\1...\HP022102 .M (RTE Integrator) Title : 508 scan method Last Update : Mon Feb 25 10:47:59 2002 Response via : Initial Calibration DataAcq Meth : HP020702

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

1) 1,4-Dichlorobenzene-d4 9.71 152 1264309 20.00 ug/L 0.00 10) Naphthalene-d8 13.20 136 5440371 20.00 ug/L 0.00 17) Acenaphthene-diO 18.33 164 2756311- 20.00 ug/L 0.00 29) Phenanthrene-dlO 22.63 188 4687831 20.00 ug/L -0.01 38) Chrysene-dl2 30.49 240 3802666 20.00 ug/L -0.03 44) Perylene-dl2 34.41 264 2492357 20.00 ug/L -0.04

System Monitoring Compounds 37) 2,4-DDD 27.72 235 364141 5.83 ug/L 0.00 Spiked Amount 5.000 Recovery = 116.60%

Target Compounds Qvalue 20) Dimethylphthalate 18.33 163 444561 2.66 ug/L + 59 21) 2,6-Dinitrotoluene 18.33 165 353777 9.16 ug/L # 27

(#) = qualifier out of range (m) = manual integration 03184 .D HP022102.M Mon Mar 04 10:50:45 2002 Page 1

NYC-WTC_000006047

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NYC-WTC_000006047Source: NYC Law Department, mirrored locally

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