Chromatogram data printout, Dec 2001

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

Data File : C:\MSDCHEM\1\DATA\121401\UNEXTREF.D Vial: 11 ‘ Acq On : 15 Dec 2001 12:19 am Operator: McLean Sample ’ : cal chk 5.0 Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Dec 17 11:25:57 2001 Quant Results File: 121401.RES

Quant Method : C:\MSDCHEM\1\5973N\121401.M (RTE Integrator) Title : Quantitation For Method 525.2 Last Update : Mon Dec 17 11:15:46 2001 Response via : Initial Calibration DataAcq Meth : 120501

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

1) Acenaphthene-dlO 18.20 164 7108759 5.00 ug/L 0.00 9) Phenanthrene D-10 22.53 188 9922313 5.00 ug/L 0.00 20) Chrysene D-12 30.30 240 6215999 5.00 ug/L 0.00

System Monitoring Compounds 2) 1,3-Dimethyl-2-nitrobenzen 13.13 134 1910022 5.25 ug/L 0.00 Spiked Amount 5.000 Recovery = 105.00% 19) Triphenyl Phosphate surr 29.58 326 1670693 5.53 ug/L 0.00 Spiked Amount 5.000 Recovery = 110.60% 21) Perylene D-12 surr 34.31 264 4055508 4.93 ug/L 0.00 Spiked Amount 5.000 Recovery = 98.60%

Target Compounds Qvalue 3) Hexachlorocyclopentadiene 15.71 237 1318832 ug/L 96 4) Hexachlorobenzene 21.40 284 2155220 4.71 ug/L 96 5) EPTC 16.18 128 3400916 5.02 ug/L 98 6) 2,6-Dinitrotoluene 17.77 165 1591049 4.71 ug/L 98 7) 2,4-Dinitotoluene 18.92 165 1986424 4.80 ug/L 92 8) Molinate 19.09 126 4992837 5.21 ug/L 91 10) Simazine 21.93 201 1403110 5.40 ug/L 98 11) Atrazine 22.05 200 2121853 5.72 ug/L 99 12) Alachlor 23.91 160 1926379 5.62 ug/L 99 13) Terbacil 22.88 161 1694721 4.47 ug/L 96 14) Acetochlor 23.70 146 1293968 5.99 ug/L 96 15) Metribuzin 23.74 198 2014343 4.60 ug/L 97 16) Metolachlor 24.84 162 5677515 5.93 ug/L 99 17) Butachlor 26.66 160 1557483 4.89 ug/L 86 18) 4,4'-DDE 27.29 246 1960313 5.07 ug/L 97 22) Bis (2-Ethylhexyl) adipate 29.52 129 4412864 4.23 ug/L 98 23) Bis (2-Ethylhexyl) phthala 30.96 149 7718893 4.09 ug/L 98 24) Benzo (a) pyrene 34.16 252 5900641 5.17 ug/L 99

qe04 r

(#) = qualifier out of range (m) = manual integration UNEXTREF.D 121401.M Mon Dec 17 11:26:38 2001 Page 1

NYC-WTC_000058099