GC-MS calibration data, Dec 2001

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

Data File : C:\MSDCHEM\1\DATA\121401\CAL3A.D Vial: 4 • Acq On : 14 Dec 2001 7:04 pm Operator: McLean Sample : 0.2 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Dec 17 11:16:36 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 11:15:46 2001 Response via : Initial Calibration DataAcq Meth : 120501

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

1) Acenaphthene-diO 18.20 164 9413598 5.00 ug/L 0.00 9) Phenanthrene D-10 22.53 188 13201452 5.00 ug/L 0.00 20) Chrysene D-12 30.30 240 8760086 5.00 ug/L 0.00

System Monitoring Compounds 2) 1,3-Dimethyl-2-nitrobenzen 13.13 134 2410660 5.01 ug/L 0.00 Spiked Amount 5.000 Recovery = 100.20% 19) Triphenyl Phosphate surr 29.59 326 1720365 4.28 ug/L 0.00 Spiked Amount 5.000 Recovery = 85.60% 21) Perylene D-12 surr 34.31 264 6160778 5.32 ug/L 0.00 Spiked Amount 5.000 Recovery = 106.40%

Target Compounds Qvalue 3) Hexachlorocyclopentadiene 15.70 237 40363 0.15 ug/L 94 4) Hexachlorobenzene 21.39 284 112532 0.19 ug/L 93 5) EPTC 16.17 128 137416 0.15 ug/L 99 6) 2,6-Dinitrotoluene 17.76 165 31170 0.37 ug/L 79 7) 2,4-Dinitotoluene 18.91 165 29506 0.36 ug/L # 63 8) Molinate 19.08 126 181161 0.14 ug/L 100 10) Simazine 21.91 201 33466m 0.10 ug/L 11) Atrazine 22.03 200 53524 0.11 ug/L 83 12) Alachlor 23.91 160 42820 0.09 ug/L 95 13) Terbacil 22.81 161 28405 0.49 ug/L 87 14) Acetochlor—-- - ---------- 23.69 146 24711— 0.09 ug/L # 70 15) Metribuzin--- - ---- 23.72 198 (30789 3 0.13 ug/D 94 16) Metolachlor 24.83 162 118689 0.09 ug/L 17) Butachlor 26.65 160 83588 0.20 ug/L # 39 18) 4,4'-DDE 27.29 246 73710 0.14 ug/L 22) Bis (2-Ethylhexyl) adipate 29.51 129 69915 0.43 ug/L 90 23) Bis (2-Ethylhexyl) phthala 30.95 149 121259 0.43 ug/L 99 24) Benzo (a) pyrene 34.16 252 203703 0.13 ug/L 97

(#) = qualifier out of range (m) = manual integration CAL3A.D 121401.M Mon Dec 17 15:56:52 2001 Page 1

NYC-WTC_000055808