Reference standard analysis for Method 525.2, Jan 2002

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

Data File : C:\MSDCHEM\1\DATA\121001B\1121REF.D Vial: 25 Acq On : 11 Dec 2001 10:12 am Operator: McLean Sample : sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Jan 10 11:47:18 2002 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 6616784 5.00 ug/L 0.00 9) Phenanthrene D-10 22.66 188 10374197 5.00 ug/L 0.02 20) Chrysene D-12 30.44 240 4490314 5.00 ug/L 0.02

System Monitoring Compounds 2) 1,3-Dimethyl-2-nitrobenzen 13.25 134 1319956 3.76 ug/L 0.03 Spiked Amount 5.000 Recovery = 75.20% 19) Triphenyl Phosphate surr 29.71 326 1914304 5.32 ug/L 0.02 Spiked Amount 5.000 Recovery = 106.40% 21) Perylene D-12 surr 34.46 264 4212364 6.68 ug/L 0.02 Spiked Amount 5.000 Recovery = 133.60%

Target Compounds Qvalue 3) Hexachlorocyclopentadiene 15.82 237 223277 (1.09 ug/L 96 4) Hexachlorobenzene 21.52 284 1929989 3.90 ug/L 99 5) EPTC 16.29 128 3437187 4.94 ug/L 98 6) 2,6-Dinitrotoluene 17.91 165 888617 3.56 ug/L 97 7) 2,4-Dinitotoluene 19.13 165 780003 (2.74) ug/L 93 8) Molinate 19.21 126 5225400 5.35 ug/L 97 10) Simazine 22.05 201 955814 (3.29 ug/L 100 11) Atrazine 22.17 200 2073869 4.88 ug/L 99 12) Alachlor 24.02 160 2174477 5.54 ug/L 95 13) Terbacil 22.98 161 2469139 5.57 ug/L 99 14) Acetochlor 23.81 146 1527100 5.70 ug/L 98 15) Metribuzin 23.85 198 1123479 2.48 ug/L 97 16) Metolachlor 24.94 162 6897173 5.89 ug/L 99 17) Butachlor 26.77 160 2013561 4.68 ug/L 87 18) 4,4'-DDE 27.41 246 1866613 4.35 ug/L 90 22) Bis (2-Ethylhexyl) adipate 29.62 129 4413356m 6.54 ug/L 23) Bis (2-Ethylhexyl) phthala 31.07 149 8087826m 6.32 ug/L 24) Benzo (a) pyrene 34.31 252 5012168 5.45 ug/L 98

55-67 W

(#) = qualifier out of range (m) = manual integration 1121REF.D 120501.M Thu Jan 10 11:47:55 2002 Page 1

NYC-WTC_000055387