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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 AD23503, Oct 2001

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Laboratory report for chlorinated pesticides in sample AD23503 extracted September 27, 2001, with all results below detection limits.

NYC-WTC_000080659–000080667

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

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NYC 9/11 Public Portal Document Quantitation Report TQT-Reviewed)'' —Signal-#!— :-C:\HPCHEM\l\DATA\508F\011012\235O37D\ECD1A;CH ‘ Vial: 50 Signal #2 : C:\HPCHEM\l\DATA\508F\011012\23503.D\ECD2B.CH Acq On : 14 Oct 2001 1:20 am Operator: Nefliu Sample : sample Inst : 104 Mise : Multiplr: 1.00 IntFile Signal #1: events.e IntFile Signal #2: events2.e Quant Time: Oct 15 11:54 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 368932 517976 0.085 0.095 Spiked Amount 0.100 Recovery = 85.00% 95.00% Target Compounds 1) TOXAPHENE PEAK 1 35.52 35.81 3612 25571 0.118 0.981 # 2) TOXAPHENE PEAK 2 39.43 37.25 2809 3339 0.047 0.037 3) TOXAPHENE PEAK 3 0.00 39.22 0 18217 N.D. 0.334 # 4) TOXAPHENE PEAK 4 0.00 40.65 0 13265 N.D. 0.304 # 5) TOXAPHENE PEAK 5 0.00 41.87f 0 420657 N.D. 12.216 #

(f)=RT Delta > 1/2 Window (#)=Amounts differ by > 25% (m)=manual int. 23503.D 011015T.M Mon Oct 15 11:55:09 2001 Page 1

NYC-WTC_000080664

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NYC-WTC_000080664Source: NYC Law Department, mirrored locally

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