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← Document results/DEP Box 30/508 X 11/26/01 A 12/21 - 12/22/01
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Pesticide analysis results below detection limits for sample AD28172

Machine-extracted title · confidence 100%

Laboratory report indicating pesticide concentrations were below method detection limits for sample AD28172 collected in late 2001.

NYC-WTC_000056857–000056865

Folder label: “508 X 11/26/01 A 12/21 - 12/22/01

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Scanned page image, NYC-WTC_000056862
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NYC 9/11 Public Portal Document Quantitation Report (QT Reviewed)

Signal #1 : C:\MSDCHEM\1\DATA\508\011221B\28172.D\ECD1A.CH Vial: 41 Signal #2 : C:\MSDCHEM\1\DATA\508\011221B\28172.D\ECD2B.CH Acq On : 22 Dec 2001 7:30 am Operator: Nefliu Sample : sample Inst : Instrumen Mise : Multiplr: 1.00 IntFile Signal #1: EVENTS.E IntFile Signal #2: events2.e Quant Time: Jan 09 11:28:45 2002 Quant Results File: 011214T.RES

Quant Method : C:\MSDCHEM\1\METHODS\011214T.M (Chemstation Integrator) Title : 508 Chlorinated Pesticides - Toxaphene Last Update : Mon Dec 17 14:19:26 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 Conc#l Conc#2

System Monitoring Compounds 6) S 2,4-DDD SURROGAT 14.35 14.98 584.4E6 451.2E6 0.160m 0.155 Spiked Amount 0.200 Recovery 80.00% 77.50%

Target Compounds 1) Toxaphene Peak 1 0.00 15.81 0 2805917 N.D. d 0.119 2) Toxaphene Peak 2 15.14 16.13 9069.9E6 5898044 124.605 0.050 # 3) Toxaphene Peak 3 0.00 16.13 0 5898044 N.D. d 0.155 4) Toxaphene Peak 4 0.00 16.86 0 16592988 N.D. d 0.154 5) Toxaphene Peak 5 0.00 17.61 0 3978609 N.D. d 0.030

(f)=RT Delta > 1/2 Window (#)=Amounts differ by > 25% (m)=manual int. 28172.D 011214T.M Wed Jan 09 11:28:57 2002 Page 1

NYC-WTC_000056862

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NYC-WTC_000056862Source: NYC Law Department, mirrored locally

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