Calibration standard results, sample AD28172, Jan 2002

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

Data File : C:\MSDCHEM\l\DATA\121701\1127REFA.D Vial: 31 Acq'On : 17 Dec 2001 7:16 pm Operator: McLean Sample : 112701 ref Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Dec 17 19:53:27 2001 Quant Results File: 121401.RES

Quant Method : C:\MSDCHEM\l\5973N\121401.M (RTE Integrator) Title : Quantitation For Method 525.2 Last Update : Mon Dec 17 15:06:05 2001 Response via : Initial Calibration DataAcq Meth : 121401

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

1) Acenaphthene-dlO 18.20 164 6664519 5.00 ug/L 0.00 9) Phenanthrene D-10 22.53 188 10304704 5.00 ug/L 0.00 20) Chrysene D-12 30.30 240 6967564 5.00 ug/L 0.00

System Monitoring Compounds 2) 1,3-Dimethyl-2-nitrobenzen 13.13 134 1684086 4.94 ug/L 0.00 Spiked Amount 5.000 Recovery = 98.80% 19) Triphenyl Phosphate surr 29.58 326 1785196 5.69 ug/L 0.00 Spiked Amount 5.000 Recovery = 113.80% 21) Perylene D-12 surr 34.31 264 4938356 5.36 ug/L 0.00 Spiked Amount 5.000 Recovery = 107.20%

Target Compounds Qvalue 3) Hexachlorocyclopentadiene 15.70 237 682302 3.62 ug/L 99 4) Hexachlorobenzene 21.40 284 1805757 4.10 ug/L 99 5) EPTC 16.18 128 3383030 5.33 ug/L 98 6) 2,6-Dinitrotoluene 17.77 165 1073156 3.47 ug/L 96 7) 2,4-Dinitotoluene 18.91 165 1322389 3.50 ug/L 97 8) Molinate 19.09 126 5013055 5.58 ug/L 92 10) Simazine 21.93 201 1314688 4.70 ug/L 98 11) Atrazine 22.05 200 2149569 5.87 ug/L 100 12) Alachlor 23.91 160 1988469 5.59 ug/L 98 13) Terbacil 22.88 161 2164128m 6.69 ug/L 14) Acetochlor 23.70 146 1395492 5.39 ug/L 94 15) Metribuzin 23.73 198 1139208 2.43 ug/L 100 16) Metolachlor 24.84 162 6215975 5.42 ug/L 99 17) Butachlor 26.66 160 1755623 5.31 ug/L # 79 18) 4,4'-DDE 27.29 246 1666072 4.15 ug/L 99 22) Bis (2-Ethylhexyl) adipate 29.52 129 4374575 3.79 ug/L 99 23) Bis (2-Ethylhexyl) phthala 30.96 149 8163069 3.88 ug/L 99 24) Benzo (a) pyrene 34.16 252 6478292 4.72 ug/L 99

(#) = qualifier out of range (m) = manual integration 1127REFA.D 011402.M Tue Jan 15 12:48:33 2002 Page 1

NYC-WTC_000058033