GCMS analysis comments, sample AD28859, December 2001

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Gas chromatography-mass spectrometry analysis results for sample AD28859 showing bis(2-Ethylhexyl)phthalate presence at 0.81 ug/L with quality control notes on LCS standard recover

NYC-WTC_000035505–000035513

Folder label: “GCMS X 11/27/01 A 12/7/01”

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Quantitation Report (QT Reviewed)

Data File C:\HPCHEM\l\DATA\DEC0601\28859.D Vial: 31 Acq On 7 Dec 2001 4:57 am Operator: 209 GALOS Sample 11/27 gc/ms scan Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Time: Dec 7 5:46 2001 Quant Results File: GCMS1126.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Wed Nov 28 15:06:24 2001 Response via : Initial Calibration DataAcq Meth : GCMS1126

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

1) 1,4-Dichlorobenzene-d4 11.67 152 1072041 20.00 ug/1 -0.02 15) Naphthalene-d8 15.27 136 4039560 20.00 ug/1 -0.03 26) Acenaphthene-diO 20.55 164 1961021 20.00 ug/1 -0.02 42) Phenanthrene-diO 24.98 188 2905193 20.00 ug/1 -0.01 53) Chrysene-dl2 33.01 240 1836451 20.00 ug/1 -0.02 59) Perylene-dl2 37.10 264 1256171 20.00 ug/1 -0.01

System Monitoring Compounds 52) 2,4-DDD 30.05 235 177493 5.13 ug/mL -0.02 Spiked Amount 5.000 Recovery = 102.60%

Target Compounds Qvalue 2) Pyridine 0.00 79 0 N.D. 3) N-nitroso-dimethyl amine 5.15 74 187 N.D. 4) Phenol 11.11 94 189 N.D. 5) bis(2-Chloroethyl)ether 0.00 93 0 N.D. 6) 2-Chlorophenol 0.00 128 0 N.D. 7) 1,3-Dichlorobenzene 0.00 146 0 N.D. 8) 1,4-Dichlorobenzene 0.00 146 0 N.D. 9) 1,2-Dichlorobenzene 0.00 146 0 N.D. 10) 2-Methylphenol 0.00 108 0 N.D. 11) 2,21-oxybis(1-Chloropropan 0.00 45 0 N.D. 12) 3 &4 -Methylphenol 0.00 108 0 N.D. 13) N-Nitroso-di-n-propylamine 0.00 70 0 N.D. 14) Hexachloroethane 0.00 117 0 N.D. 16) Nitrobenzene 0.00 77 0 N.D. 17) Isophorone 0.00 82 0 N.D. 18) 2-Nitrophenol 0.00 139 0 N.D. 19) 2,4-Dimethylphenol 0.00 107 0 N.D. 20) bis(2-Chloroethoxy)methane 0.00 93 0 N.D. 21) 2,4-Dichlorophenol 0.00 162 0 N.D. 22) 1,2,4-Trichlorobenzene 0.00 180 0 N.D. 23) Naphthalene 15.34 128 1754 N.D. 24) Hexachlorobutadiene 0.00 225 0 N.D. 25) 4-Chloro-3-methylphenol 0.00 107 0 N.D. 27) Hexachlorocyclopentadiene 0.00 237 0 N.D. 28) 2,4,6-Trichlorophenol 0.00 196 0 N.D.

(#) = qualifier out of range (m) = manual integration 28859.D GCMS1126.M Tue Dec 11 12:11:37 2001 Page 1

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