GCMS DFTPP calibration report, Feb 5 2002

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

. Data File : C:\MSDCHEM\1\5973N\02FEB05\0201R.D Vial: 2 Acq On : 5 Feb 2002 11:32 am Operator: Sample : ref 2/1 Inst : Instrumen Mise : February 5, 2002 Multiplr: 1.00 MS Integration Params: SPLIT.P Quant Time: Feb 21 10:12:14 2002 Quant Results File: SCAN508.RES

Quant Method : C:\MSDCHEM\1...\SCAN508. M (RTE Integrator) Title : 508 scan method Last Update : Thu Feb 21 10:10:08 2002 Response via : Initial Calibration DataAcq Meth : SCAN508

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

1) 1,4-Dichlorobenzene-d4 9.71 152 2257242 20.00 ug/L 0.00 10) Naphthalene-d8 13.19 136 9534365 20.00 ug/L -0.02 17) Acenaphthene-diO 18.34 164 4958940 20.00 ug/L -0.01 29) Phenanthrene-diO 22.65 188 8150916 20.00 ug/L -0.02 38) Chrysene-dl2 30.51 240 7335854 20.00 ug/L 0.00 44) Perylene-dl2 34.43 264 5398399 20.00 ug/L 0.01

System Monitoring Compounds 37) 2,4-DDD 27.73 235 506204 5.29 ug/L 0.00 Spiked Amount 5.000 Recovery = 105.80%

Target Compounds Qvalue 2) n-Nitrosodimethylamine 3.99 74 247464 2.57 ug/L 52 3) bis(2-Chloroethyl)ether 9.24 93 569264 3.59 ug/L 69 4) 1,3-Dichlorobenzene 9.61 146 413157 2.44 ug/L 96 5) 1,4-Dichlorobenzene 9.76 146 429989 2.53 ug/L 96 6) 1,2-Dichlorobenzene 10.24 146 437218 2.90 ug/L 97 7) 2,2'-oxybis (1-Chloropropa 10.67 45 817895 3.13 ug/L # 73 8) n-Nitroso-di-n-propylamine 11.05 70 382599 3.21 ug/L 80 9) Hexachloroethane 11.03 117 107970 1.77 ug/L 92 11) Nitrobenzene 11.35 77 484818 2.72 ug/L 81 12) Isophorone 12.02 82 1068656 3.33 ug/L 94 13) bis(2-Chloroethoxy)methane 12.77 93 705023 3.69 ug/L 91 14) 1,2,4-Trichlorobenzene 13.11 180 346323 2.79 ug/L 97 15) Naphthalene 13.25 128 1632152 3.57 ug/L 99 16) Hexachlorobutadiene 13.84 225 122644 1.86 ug/L 98 18) Hexachlorocyclopentadiene 15.96 237 14395 0.32 ug/L 96 19) 2-Chloronaphthalene 16.65 162 907624 3.31 ug/L 94 20) Dimethylphthalate 17.88 163 1158295 3.54 ug/L 96 21) 2,6-Dinitrotoluene 18.06 165 168840 2.64 ug/L 81 22) Acenaphthylene 17.86 152 1444273 3.62 ug/L 97 23) Acenaphthene 18.42 153 1042247 3.66 ug/L 98 24) 2,4-Dinitrotoluene 19.17 165 216112 2.58 ug/L 93 25) Diethylphthalate 20.00 149 1185928 3.78 ug/L 98 26) 4-Chlorophenyl-phenylether 20.02 204 521959 3.96 ug/L 89 27) Fluorene 19.91 166 1210187 3.74 ug/L 96 28) Azobenzene/1,2-Diphenylhyd 20.46 77 1303953 3.33 ug/L 84 30) N-nitrosodiphenylamine 20.43 169 740650 3.58 ug/L 98 31) 4-Bromophenyl-phenylether 21.44 248 302166 3.56 ug/L 89 32) Hexachlorobenzene 21.77 284 321828 3.59 ug/L 97 33) Phenanthrene 22.70 178 1817901 4.05 ug/L 99 34) Anthracene 22.83 178 1760802 4.04 ug/L 98

(#) = qualifier out of range (m) = manual integration 0201R.D SCAN508.M Fri Feb 22 12:07:38 2002 Page 1

NYC-WTC_000004778