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Pesticide and PCB analysis results, sample AD23321, Oct 2001

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Laboratory analysis of sample AD23321 for pesticide residues including propachlor, lindane, heptachlor, aldrin, DDE, dieldrin, endrin, methoxychlor, chlordane, toxaphene, and PCBs.

NYC-WTC_000080092–000080102

Folder label: “508 9/22/01 Extr.

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

Signal #1 : C:\HPCHEM\l\DATA\508F\011007\23321.D\ECDlA.CH Vial: 24 Signal #2 : C:\HPCHEM\l\DATA\508F\011007\23321.D\ECD2B.CH Acq On : 7 Oct 2001 7:53 pm Operator: Nefliu Sample : sample Inst : 104 Mise : Multiplr: 1.00 IntFile Signal #1: events.e IntFile Signal #2: events2.e ' ’ Quant Time: Oct 13 11:25 2001 Quant Results File: 011007P.RES

Quant Method : C:\HPCHEM\1\METHODS\011007P.M (Chemstation Integrator) Title : 508 CHLORINATED PESTICIDES 9/6/00 Last Update : Fri Sep 28 14:35:02 2001 Response via : Initial Calibration DataAcq Meth.: 508F.M Volume Inj. Signal #1 Phase Signal #2 Phase: Signal #1 Info Signal #2 Info : Compound RT#1 RT#2 Resp#l Resp#2 ug/L ug/L

System Monitoring Compounds 10) S 2,4-DDD SURROGAT 37.55 34.60 391217 492504 0.082 0.080 Spilced Amount 0.100 Recovery = 82.00% 80.00% Target Compounds 1) PROPACHLOR 0.00 16.31 0 6248 N.D. d 0.007 2) g-BHC 23.75 21.57 14538 6441 0.002 0.001 # 3) HEPTACHLOR 26.03f 22.74 4388 6133 0.001 0.001 4) ALDRIN 29.13 25.03 2878 6093 0.000 0.001 # 5) HEPTACHLOR EPOXI 32.79 30.12 1711 4591 0.000 0.000 # 6) 4,4'-DDE 36.31 33.02 2164 3785 0.000 0.000 # 7) DIELDRIN 36.51 33.83 2725 3539 0.000 0.000 8) ENDRIN 38.81 34.96 3580 10752 0.001 0.002 # 9) METHOXYCHLOR 50.39 42.03 682 459042 0.000 0.214 #

{f)=RT Delta > 1/2 Window (#)=Amounts differ by > 25% (m)=manual int. 23321.D 011007P.M Sat Oct 13 11:25:25 2001 Page 1

NYC-WTC_000080093

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NYC-WTC_000080093Source: NYC Law Department, mirrored locally

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