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← Document results/DEP Box 64/508 9/27/01 Extraction 10/13-10/15 Analysis
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Chlorinated pesticide analysis results, sample AD23498, Oct 2001

Machine-extracted title · confidence 90%

Laboratory results for chlorinated pesticides and PCBs in sample AD23498, showing elevated chlordane levels detected.

NYC-WTC_000080616–000080624

Folder label: “508 9/27/01 Extraction 10/13-10/15 Analysis

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NYC 9/11 Public Portal Document Quantitation" Report (QT-Revlewed)— ---- Signal-#!-:- C:\HPCHEM\l\DATA\508F\011012\234987D\ECDlATCH-Vxal: 40 Signal #2 : C:\HPCHEM\l\DATA\508F\011012\23498.D\ECD2B.CH Acq On : 13 Oct 2001 8:31 pm Operator: Nefliu Sample : sample Inst : 104 Mise : Multiplr: 1.00 IntFile Signal #1: events.e IntFile Signal #2: events2.e Quant Time: Oct 15 11:52 2001 Quant Results File: 011015T.RES Quant Method : C:\HPCHEM\1\METHODS\011015T.M (Chemstation Integrator) Title : 508 CHLORINATED PESTICIDES TOXAPHENE7/28/99 Last Update : Mon Oct 15 11:37:22 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/1 ug/1

System Monitoring Compounds 6) S 2,4-DDD SURROGAT 37.24 34.49 436075 561844 0.101 0.103 Spiked Amount 0.100 Recoveary = 101.00% 103.00% Target Compounds 1) TOXAPHENE PEAK 1 35.51 35.81 8086 20160 0.265 0.773 # 2) TOXAPHENE PEAK 2 39.45 36.99f 2009 3338 0.034 0.037 3) TOXAPHENE PEAK 3 0.00 39.22 0 9293 N.D. 0.171 # 4) TOXAPHENE PEAK 4 0.00 40.64 0 10623 N.D. 0.243 # 5) TOXAPHENE PEAK 5 0.00 41.86 0 548957 N.D. 15.942 #

(f)=RT Delta > 1/2 Window {#)=Amounts differ by > 25% (m)=manual int. 23498.D 011015T.M Mon Oct 15 11:53:10 2001 Page 1

NYC-WTC_000080621

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NYC-WTC_000080621Source: NYC Law Department, mirrored locally

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