GCMS analysis results, sample AD27547, December 2001

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Gas chromatography-mass spectrometry analysis of environmental sample AD27547 performed on 12/18/01, detecting unknown compounds with 2,4-DDD surrogate standard at 5.0 ug MDL.

NYC-WTC_000033458–000033473

Folder label: “GCMS X 11/15/01 A 12/13/01”

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Data File :6C:\HPCHEM\l\DATA\DEC1301\27547.D Vial: 6 Acq On : 13 Dec 2001 2:56 pm Operator: GALOS Sample : gems unknown 11/15 Inst : GC/MS Ins Mise : Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Time: Dec 14 9:08 2001 Quant Results File: NP112701.RES

Quant Method : C:\HPCHEM\1\METHODS\NP112701.M (RTE Integrator) Title : 208 625/TCLP calibration table Last Update : Wed Nov 28 15:33:44 2001 Response via : Initial Calibration DataAcq Meth : NP112701

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

1) 1,4-Dichlorobenzene-d4 11.87 152 1210574 20.00 ng/uL -0.07 19) Naphthalene-d8 15.47 136 4840544 20.00 ng/uL -0.08 31) Acenaphthene-diO 20.74 164 2095733 20.00 ng/uL -0.08 49) Phenanthrene-diO 25.15 188 3220158m 20.00 ng/uL -0.09 59) Chrysene-dl2 33.15 240 2244690 20.00 ng/uL -0.10 68) Perylene-dl2 37.24 264 1557226 20.00 ng/uL -0.10

System Monitoring Compounds 4) 2 -Fluorophenol 0.00 112 0 0.00 ng/uL Spiked Amount 75.000 Range 18 42 Recovery = 0.00%# 5) Phenol-d5 0.00 99 0 0.0 0 ng/uL Spiked Amount 75.000 Range 19 32 Recovery = 0.00%# 6) 2-Chlorophenol-d4 11.87 132 1362 0.02 ng/uL 0.44 Spiked Amount 75.000 Range 34 84 Recovery = 0.03%# 7) 1,2-Dichlorobenzene-d4 0.00 152 0 0.00 ng/uL Spiked Amount 50.000 Range 26 73 Recovery = 0.00%# 20) Nitrobenzene-d5 0.00 82 0 0.00 ng/uL Spiked Amount 50.000 Range 55 98 Recovery = 0.00%# 32) 2-Fluorobiphenyl 18.89 172 1958 0.01 ng/uL 0.06 Spiked Amount 50.000 Range 42 78 Recovery = 0.02%# 33) 2,4,6-Tribromophenol 0.00 330 0 0.00 ng/uL Spiked Amount 75,000 Range 45 96 Recovery = 0.00%# 62) Terphenyl-dl4 0.00 244 0 0.00 ng/uL Spiked Amount 50.000 Range 58 98 Recovery = 0.00%#

Target Compounds Qvalue 2) Pyridine 0.00 79 0 N.D. 3) N-nitrosodimethylamine 0.00 74 0 N.D. 8) Phenol 0.00 94 0 N.D. 9) bis(2-Chloroethyl)ether 0.00 93 0 N.D. 10) 2-Chlorophenol 0.00 128 0 N.D. 11) 1,3-Dichlorobenzene 0.00 146 0 N.D. 12) 1,4-Dichlorobenzene 0.00 146 0 N.D. 13) 1,2-Dichlorobenzene 0.00 146 0 N.D. 14) 2-Methylphenol 0.00 108 0 N.D. 15) 2,2'-oxybis(1-Chloropropan 0.00 45 0 N.D. 16) 3&4-Methylphenol 0.00 108 0 N.D.

(#) = qualifier out of range (m) = manual integration 27547.D NP112701.M Fri Dec 14 10:51:03 2001 Page 1

NYC-WTC_000033460

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