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GCMS calibration results for Method 508, April 2002

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Calibration report for Method 508 GC/MS analysis performed on April 10, 2002, listing internal standards.

NYC-WTC_000039300–000039302

Folder label: “GCMS X 3/18/02 A 4/8/02

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed) .7 7. Data File C:\MSDCHEM\l\DATA\020408\0408Cl.D Vial: 2 T Acq On 8 Apr 2002 11:49 am Operator: McLean Sample Mise 60 Inst Multiplr: Instrumen 1.00 MS Integration Params: EVENTS.E Quant Time: Apr 10 14:24:16 2002 Quant Results File: SCANAPR0902.R

Quant Method : C:\MSDCHEM\1.. . \SCANAPR0902 .M (Chemstation Integrator) Title : Method 508 GC/MS Scan Last Update : Tue Apr 09 14:51:40 2002 Response via : Initial Calibration DataAcq Meth : 508SCAN1

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

1) 1,4-Dichlorobenzene-d4 10.67 152 2527342 20.00 ug/1 0.00 10) Naphthalene-d8 15.77 136 9793927 20.00 ug/1 -0.01 17) Acenaphthene-diO 23.66 164 5171377 20.00 ug/1 -0.01 31) Phenanthrene-diO 30.90 188 8142608 20.00 ug/1 0.00 39) Chrysene-dl2 39.10 240 6288790 20.00 ug/1 -0.02 45) Perylene-dl2 42.30 264 3108225 20.00 ug/1 0.00

System Monitoring Compounds 2 8) TCMX 26.53 207 27051 0.37 ug/1 -0.03 Spiked Amount 5.000 Recovery = 7.40% 38) 2,4-DDD 36.61 235 87743 0.86 ug/ml 0.00 Spiked Amount 5.000 Recovery = 17.20% ( Target Compounds Qvalue 2) N-nitrosodimethylamine 3.69 74 18842 0.2 g/l 95 3) bis(2-Chloroethyl)ether 9.95 93 752532 5.00 ug/1 98 4) 1.3-Dichlorbenzene 10.41 146 910272 5.00 ug/1 98 5) 1,4-Dichlorobenzene 10.72 146 920685 5.01 ug/1 98 6) 1,2-Dichlorobenzene 11.24 146 877530 5.07 ug/1 98 7) 2,2'oxybis(1-Chloropropane 12.03 45 1194825m 4.69 ug/1 8) N-Nitroso-di-n-propylamine 12.52 43 489639 4.84 ug/1 99 9) Hexachloroethane 12.52 119 312874 5.06 ug/1 97 11) Nitrobenzene 12.94 77 846742 5.09 ug/1 98 12) Isophorone 14.03 82 1368902 4.85 ug/1 99 13) bis(2-Chloroethoxy) methan 15.25 93 890978 4.91 ug/1 96 14) 1,2,4-Trichlorobenzene 15.62 180 710070 5.00 ug/1 98 15) Naphthalene 15.85 128 2426519 5.14 ug/1 100 16) Hexachlorobutadiene 16.62 225 372097 4.80 ug/1 99 18) Hexachlorocyclopentadiene 19) 2-Chloronaphthalene 19.79 237 123717 (2.72—ug/l 95 21.14 162 1388697 4.90 ug/1 99 20) Acenaphthylene 22.95 152 1691284 4.27 ug/1 99 21) Dimethyl phthalate 23.03 163 1472861 4.75 ug/1 99 22) 2,6-Dinitrotoluene 23.14 77 61592m 3.72 ug/1 23) Acenaphthene 23.79 153 1462996 5.01 ug/1 99 24) 2,4-Dinitrotoluene 24.92 165 190378 2. 55 ug/1 93 25) Fluorene 26.19 166 1475142 4.60 ug/1 100 26) Diethyl phthalate 26.41 149 1405968 4.66 ug/1 97 27) 4-Chlorophenyl-phenylether 26.53 204 709636 4.72 ug/1 95 29) N-Nitrosodiphenylamine 27.13 168 590579 4.87 ug/1 99 30) Azobenzene 27.23 77 1744066 4.88 ug/1 97 32) Hexachlorobenzene 28.76 284 487033 4.55 ug/1 98 33) 4-Bromophenyl-phenylether 28.88 248 376890 4.30 ug/1 92

(#) = qualifier out of range (m) = manual integration 0408C1.D SCANAPR0902.M Wed Apr 10 14:25:19 2002 Page 1

NYC-WTC_000039300

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