Method 525 reference standard results, Dec 2001

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

Data File C:\MSDCHEM\1\DATA\121801\1127REFB.D Vial: 45 ' Acq On 18 Dec 2001 2:05 pm Operator: McLean Sample : Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Dec 18 14:42:43 2001 Quant Results File: 121401.RES

Quant Method : C:\MSDCHEM\l\5973N\121401.M (RTE Integrator) Title : Quantitation For Method 525.2 Last Update : Tue Dec 18 09:35:41 2001 Response via : Initial Calibration DataAcq Meth : 121401

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

1) Acenaphthene-diO 18.20 164 6223364 5.00 ug/L 0.00 9) Phenanthrene D-10 22.53 188 9686698 5.00 ug/L 0.00 20) Chrysene D-12 30.31 240 6210711 5.00 ug/L 0.00

System Monitoring Compounds 2) 1,3-Dimethyl-2-nitrobenzen 13.13 134 1482771 4.66 ug/L 0.00 Spiked Amount 5.000 Recovery = 93.20% 19) Triphenyl Phosphate surr 29.58 326 1705222 5.78 ug/L 0.00 Spiked Amount 5.000 Recovery = 115.60% 21) Perylene D-12 surr 34.32 264 4149537 5.05 ug/L 0.00 Spiked Amount 5.000 Recovery = 101.00%

Target Compounds Qvalue 3) Hexachlorocyclopentadiene 15.70 237 535741 3.04 ug/L 97 4) Hexachlorobenzene 21.40 284 1660908 4.03 ug/L 98 5) EPTC 16.18 128 2589808 4.37 ug/L 96 6) 2,6-Dinitrotoluene 17.77 165 718425 2.57 ug/L 97 7) 2,4-Dinitotoluene 18.91 165 839149 2.48 ug/L 92 8) Molinate 19.09 126 3963657 4.72 ug/L 94 10) Simazine 21.93 201 1141161 4.34 ug/L 97 11) Atrazine 22.05 200 1957976 5.69 ug/L 99 12) Alachlor 23.91 160 1846874 5.52 ug/L 95 13) Terbacil 22.87 161 1604889 4.30 ug/L 98 14) Acetochlor 23.70 146 1068583 4.39 ug/L 96 15) Metribuzin 23.73 198 974596 2.22 ug/L 99 16) Metolachlor 24.84 162 5811717 5.39 ug/L 98 17) Butachlor 26.66 160 1627667 5.23 ug/L 87 18) 4,4'-DDE 27.30 246 1338498 3.55 ug/L 92 22) Bis (2-Ethylhexyl) adipate 29.52 129 3658316 3.58 ug/L 100 23) Bis (2-Ethylhexyl) phthala 30.96 149 7287248 3.89 ug/L 99 24) Benzo (a) pyrene 34.17 252 5193151 4.25 ug/L 97

(#) = qualifier out of range (m) = manual integration 1127REFB.D 121401.M Thu Dec 20 09:10:48 2001 Page 1

NYC-WTC_000055794