GCMS analysis comments for sample AD29464 with phthalate detection, Jan

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Laboratory comments on GCMS scan results for sample AD29464 noting bis(2-Ethylhexyl)phthalate at 0.48 ug/L.

NYC-WTC_000036592–000036602

Folder label: “GCMS X 12/6/01 A 12/12/01 - 12/13/01”

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NYC 9/11 Public Portal Document Quantitation Report (QT Reviewed)

Data File : C:\HPCHEM\1\DATA\DEC1301\29518.D Vial: 10 Acq On : 13 Dec 2001 6:40 pm Operator: 209 GALOS Sample : gems scan 12/6 Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Time: Dec 27 12:52 2001 Quant Results File: GCMS1126.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Thu Dec 13 14:40:46 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 1086906 20.00 ug/1 -0.03 10) Naphthalene-d8 15.28 136 4190597 20.00 ug/1 -0.03 17) Acenaphthene-diO 20.55 164 2093436 20.00 ug/1 -0.03 29) Phenanthrene-dlO 24.97 188 2957086 20.00 ug/1 -0.02 38) Chrysene-dl2 33.01 240 1823468 20.00 ug/1 -0.03 44) Perylene-dl2 37.10 264 1235895 20.00 ug/1 -0.02

System Monitoring Compounds 37) 2,4-DDD 30.05 235 153820 3.59 ug/mL -0.02 Spiked Amount 5.000 Recovery = 71.80%

Target Compounds Qvalue 2) N-nitroso-dimethyl amine 5.26 74 182 N.D. 3) bis(2-Chloroethyl)ether 0.00 93 0 N.D. 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) 2,21-oxybis(1-Chloropropan 0.00 45 0 N.D. 8) N-Nitroso-di-n-propylamine 0.00 70 0 N.D. 9) Hexachloroethane 13.31 117 211 N.D. 11) Nitrobenzene 13.10 77 201 N.D. 12) Isophorone 13.83 82 110 N.D. 13) bis(2-Chloroethoxy)methane 0.00 93 0 N.D. 14) 1,2,4-Trichlorobenzene 0.00 180 0 N.D. 15) Naphthalene 15.32 128 3437 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 21.25 165 296 N.D. 25) Diethylphthalate 22.08 149 1184 N.D. 26) 4-Chlorophenyl-phenylether 0.00 204 0 N.D. 27) Fluorene 0.00 166 0 N.D. 28) Azobenzen/ 1,2-Diphenylhyd 22.80 77 177 N.D.

(#) = qualifier out of range (m) = manual integration 29518.D GCMS1126.M Thu Dec 27 12:57:52 2001 Page 1

NYC-WTC_000036594

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GCMS analysis data for sample AD29466, Jan 2002 · Box DEP Box 22

NYC-WTC_000036603

Raw GCMS analysis data and chromatogram details for sample AD29466 including surrogate recovery results.