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Document / 10 pages

Pesticide analysis results, sample AD28323, Nov-Dec 2001

Machine-extracted title · confidence 100%

Laboratory report showing pesticide and PCB detection levels below minimum detection limits for sample AD28323 from late 2001.

NYC-WTC_000089767–000089776

Folder label: “508 X 11/28/01 A 12/24-12/26/01

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Signal #1 : C:\MSDCHEM\l\DATA\508\011226\28323.D\ECDlA.CHVial: 51 Signal #2 : C:\MSDCHEM\l\DATA\508\011226\28323.D\ECD2B.CH Acq On : 27 Dec 2001 12:06 am Operator: Nefliu Sample : sample Inst : Instrume Mise : Multiplr: 1.00 IntFile Signal #1: EVENTS.E IntFile Signal #2: events2.e Quant Time: Dec 31 14:39:44 2001 Quant Results File: 011224P.RES

Quant Method : C:\MSDCHEM\1\METHODS\011224P.M (Chemstation Integrator) Title : 508 Chlorinated Pesticides Last Update : Wed Dec 26 10:35:07 2001 Response via : Initial Calibration DataAcq Meth : MDL508.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/1 ug/1

System Monitoring Compounds 10) s 2,4-DDD SURROGAT 14.35 14.98 597.7E6 450.0E6 0.154 0.154 Spiked Amount 0.200 Recovery 77.00% 77.00% Target Compounds 1) Propachlor 9.04 0.00 4186690 0 0.008m N.D. d# 2) g-BHC 9.85» 10.26 10050164 8315513 0.001 0.001 3) Heptachlor 11.01 11.24 15192365 6819856 0.002 0.001 4) Aldrin 11.73 12.00 5379153 8302629 0.001 0.001 # 5) Heptachlor Epoxi 13.16 0.00 13243766 0 0.002 N.D. d# 6) 4,4-DDE 13.98 14.28f 4854485 4389730 0.001 0.001 7) Dieldrin 14.53 0.00 14657523 0 0.002 N.D. d# 8) Endrin 15.05 15.71 10226944 1620513 0.002 0.000 #

(f)=RT Delta > 1/2 Window (#)=Amounts differ by > 25% (m)=manual int. 28323.D 011224P.M Mon Dec 31 14:40:08 2001 Page

NYC-WTC_000089768

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NYC-WTC_000089768Source: NYC Law Department, mirrored locally

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