Calibration standard analysis for Method 525.2, Jan 2002

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

Data File C:\MSDCHEM\l\DATA\121001B\CAL6B.D Vial: 5 Acq On 11 Dec 2001 4:58 am Operator: McLean Sample 5.0 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Dec 11 05:35:02 2001 Quant Results File: 120501.RES

Quant Method : C:\MSDCHEM\l\5973N\120501.M (RTE Integrator) Title : Quantitation For Method 525.2 Last Update : Thu Dec 06 10:31:04 2001 Response via : Initial Calibration DataAcq Meth : 120501

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

1) Acenaphthene-diO 18.32 164 8417598 5.00 ug/L 0.00 9) Phenanthrene D-10 22.66 188 12403177 5.00 ug/L 0.02 20) Chrysene D-12 30.44 240 5563047 5.00 ug/L 0.02

System Monitoring Compounds 2) 1,3-Dimethyl-2-nitrobenzen 13.24 134 1859627 4.16 ug/L 0.02 Spiked Amount 5.000 Recovery = 83.20% 19) Triphenyl Phosphate surr 29.71 326 2120962 4.93 ug/L 0.02 Spiked Amount 5.000 Recovery = 98.60% 21) Perylene D-12 surr 34.47 264 4557598m 5.84 ug/L 0.03 Spiked Amount 5.000 Recovery = 116.80%

Target Compounds Qvalue 3) Hexachlorocyclopentadiene 15.82 237 1077764 4.15 ug/L 99 4) Hexachlorobenzene 21.52 284 3107577 4.93 ug/L 98 5) EPTC 16.29 128 4906973 5.55 ug/L 99 6) 2,6-Dinitrotoluene 17.90 165 1908201 5.72 ug/L 97 7) 2,4-Dinitotoluene 19.07 165 1860383 4.71 ug/L 96 8) Molinate 19.21 126 7146111 5.75 ug/L 94 10) Simazine 22.06 201 1766839 5.09 ug/L 97 11) Atrazine 22.18 200 2933969 5.77 ug/L 98 12) Alachlor 24.03 160 2833231 6.04 ug/L 90 13) Terbacil 22.98 161 2827171 5.33 ug/L 98 14) Acetochlor 23.81 146 2028920 6.34 ug/L 98 15) Metribuzin 23.85 198 3306668 6.11 ug/L 98 16) Metolachlor 24.94 162 9116903 6.52 ug/L 98 17) Butachlor 26.78 160 2661653 5.17 ug/L 83 18) 4,4'-DDE 27.41 246 2848337 5.55 ug/L 96 22) Bis (2-Ethylhexyl) adipate 29.62 129 6506896m /7.76 ug/L 23) Bis (2-Ethylhexyl) phthala 31.07 149 11713778m 7.21 ug/L 24) Benzo (a) pyrene 34.31 252 6497573m 5.69 ug/L

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(#) = qualifier out of range (m) = manual integration CAL6B.D 012402B.M Mon Jan 28 15:10:24 2002 Page 1

NYC-WTC_000055381