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Reference standard analysis results, sample AD27232, Dec 2001

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Laboratory analysis of reference standard for sample AD27232 using EPA Method 525.2, dated Dec 13, 2001, showing detected levels of pesticides and organic compounds.

NYC-WTC_000057057–000057060
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NYC 9/11 Public Portal Document Quantitation Report (QT Reviewed)

Data File C:\MSDCHEM\1\DATA\120601\1119REF.D Vial: 7 Acq ,On 6 Dec 2001 8:30 pm Operator: McLean Sample Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Dec 12 12:27:58 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 18.31 164 5815521 5.00 ug/L 0.00 9) Phenanthrene D-10 22.65 188 8732762 5.00 ug/L 0.00 20) Chrysene D-12 30.42 240 4273328 5.00 ug/L 0.00

System Monitoring Compounds 2) 1,3-Dimethyl-2-nitrobenzen 13.23 134 1077096 3.49 ug/L 0.00 Spiked Amount 5.000 Recovery = 69.80% 19) Triphenyl Phosphate surr 29.70 326 1771291 5.85 ug/L 0.00 Spiked Amount 5.000 Recovery = 117.00% 21) Perylene D-12 surr 34.44 264 3603656 6.01 ug/L 0.00 Spiked Amount 5.000 Recovery = 120.20%

Target Compounds Qvalue 3) Hexachlorocyclopentadiene 15.81 237 500002 2.79 ug/L 99 4) Hexachlorobenzene 21.51 284 1721564 3.96 ug/L 97 5) EPTC 16.28 128 2891585 4.73 ug/L 98 6) 2,6-Dinitrotoluene 17.88 165 711136 3.27 ug/L 96 7) 2,4-Dinitotoluene 19.04 165 617669 2.51 ug/L 93 8) Molinate 19.20 126 4549892 5.30 ug/L 94 10) Simazine 22.03 201 1000963 4.09 ug/L 97 11) Atrazine 22.16 200 1995613 5.58 ug/L 99 12) Alachlor 24.02 160 1920827 5.81 ug/L 100 13) Terbacil 22.98 161 2401854 6.43 ug/L 97 14) Acetochlor 23.80 146 1346918 5.98 ug/L 97 15) Metribuzin 23.84 198 1105562 2.90 ug/L 96 16) Metolachlor 24.94 162 6002648 6.09 ug/L 100 17) Butachlor 26.77 160 1750626 4.83 ug/L 87 18) 4,4'-DDE 27.40 246 1664001 4.60 ug/L 97 22) Bis (2-Ethylhexyl) adipate 29.62 129 4060058m 6.32 ug/L 23) Bis (2-Ethylhexyl) phthala 31.07 149 8395584 6.80 ug/L 100 24) Benzo (a) pyrene 34.30 252 3734255 4.31 ug/L 98

(#) = qualifier out of range (m) = manual integration 1119REF.D 120501.M Wed Dec 12 12:28:33 2001 Page 1

NYC-WTC_000057059

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