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Chlorinated pesticide analysis results, sample AD23083, Sept-Oct 2001

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Laboratory report documenting analytical results for chlorinated pesticides in sample AD23083 collected September 2001.

NYC-WTC_000079895–000079906

Folder label: “508 9/21/01 Ex 9/30-10/2/01 Analysis

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed) Signal #1 C:\HPCHEM\l\DATA\508F\010930\23083.D\ECDlA.CH Vial: 46 Signal #2 C:\HPCHEM\l\DATA\508F\010930\23083.D\ECD2B.CH Acq On 2 Oct 2001 12:40 am Operator: Nefliu Sample sample Inst : 104 Mise : Multiplr: 1.00 IntFile Signal #1: events.e IntFile Signal #2: events2.e Quant Time: Oct 9 11:28 2001 Quant Results File: 010828C.RES

Quant Method : C:\HPCHEM\1\METHODS\010828C.M (Chemstation Integrator) Title : DUAL 508 CHLORINATED PESTICIDES CHLORDANE 6/3/99 Last Update : Sun Sep 30 10:30:23 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 4) S 2,4-DDD SURROGAT 37.59 34.64 734198 987644 0.161m 0.174 Spiked Amount 0.100 Recovery = 161.00% 174.00% Target Compounds 1) CHLORDANE PEAK 1 32.52 31.84f 3482 3380’ 0.021 0.003 # 2) CHLORDANE PEAK 2 0.00 32.41 0 45526 N.D. 0.032 # 3) CHLORDANE PEAK 3 34.60 0.00 10870 0 0.015 N.D. #

(f)=RT Delta > 1/2 Window (#)=Amounts differ by > 25% (m)=manual int. 23083.D 010828C.M Tue Oct 09 11:29:00 2001 Page 1

NYC-WTC_000079898

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NYC-WTC_000079898Source: NYC Law Department, mirrored locally

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