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← Document results/DEP Box 30/525 X 11/21/01 A 12/11/01 + REANALYSIS 1/25/02
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Lab blank analysis for Method 525.2, Jan 2002

Machine-extracted title · confidence 100%

Quality control lab blank results for Method 525.2 showing detection limits for various pesticides and contaminants.

NYC-WTC_000055375–000055379

Folder label: “525 X 11/21/01 A 12/11/01 + REANALYSIS 1/25/02

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

Data File : C:\MSDCHEM\1\DATA\121001B\1121LB.D Vial: 6 Acq On : 10 Dec 2001 8:10 pm Operator: McLean Sample : 1b Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Dec 10 20:47:17 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 6235173 5.00 ug/L 0.00 9) Phenanthrene D-10 22.66 188 8074956 5.00 ug/L 0.02 20) Chrysene D-12 30.44 240 6127521 5.00 ug/L 0.02

System Monitoring Compounds 2) 1,3-Dimethyl-2-nitrobenzen 13.24 134 1369625 4.14 ug/L 0.02 Spiked Amount 5.000 Recovery = 82.80% 19) Triphenyl Phosphate surr 29.71 326 1525056 5.45 ug/L 0.02 Spiked Amount 5.000 Recovery = 109.00% 21) Perylene D-12 surr 34.47 264 3507922 4.08 ug/L 0.03 Spiked Amount 5.000 Recovery = 81.60%

Target Compounds Qvalue 3) Hexachlorocyclopentadiene 0.00 237 0 N.D. 4) Hexachlorobenzene 0.00 284 0 N.D. 5) EPTC 0.00 128 0 N.D. 6) 2,6-Dinitrotoluene 0.00 165 0 N.D. d 7) 2,4-Dinitotoluene 19.08 165 17060 0.34 ug/L # 41 8) Molinate 19.08 126 13052 0.01 ug/L # 1 10) Simazine 0.00 201 0 N.D. 11) Atrazine 0.00 200 0 N.D. 12) Alachlor 0.00 160 0 N.D. 13) Terbacil 0.00 161 0 N.D. d 14) Acetochlor 0.00 146 0 N.D. 15) Metribuzin 0.00 198 0 N.D. 16) Metolachlor 0.00 162 0 N.D. 17) Butachlor 26.77 160 46471 0.14 ug/L # 8 18) 4,4'-DDE 0.00 246 0 N.D. d 22) Bis (2-Ethylhexyl) adipate 29.63 129 6567 0.12 ug/L # 1 23) Bis (2-Ethylhexyl) phthala 31.08 149 70402 0.21 ug/L 96 24) Benzo (a) pyrene 0.00 252 0 N.D. d

(#) = qualifier out of range (m) = manual integration 1121LB.D 012402B.M Mon Jan 28 15:06:57 2002 Page 1

NYC-WTC_000055376

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NYC-WTC_000055376Source: NYC Law Department, mirrored locally

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