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← Document results/DEP Box 64/508 9/20/01 Ext. 9/28-9/29 Analysis
Document / 11 pages

Pesticide analysis results, sample AD22974, Sept-Oct 2001

Machine-extracted title · confidence 95%

Laboratory report listing analytical results for pesticides and PCBs in environmental sample AD22974 analyzed between September 20 and October 5, 2001.

NYC-WTC_000079706–000079716

Folder label: “508 9/20/01 Ext. 9/28-9/29 Analysis

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NYC 9/11 Public Portal Document

, Signal #1 : C:\HPCHEM\1\DATA\5O8F\O1O928\22974.D\ECD1A.CH Vial: 48 Signal #2 : C:\HPCHEM\l\DATA\508F\010928\22974.D\ECD2B.CH Acg On : 30 Sep 2001 1:57 am Operator: Nefliu Sample : sample Inst : 104 Mise : Multiplr: 1.00 IntFile Signal #1: events.e IntFile Signal #2: events2.d Quant Time: Sep 30 10:39 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 I 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 37.57 34.62 346487 462001 0.076m 0.081 Spiked Amount 0.100 Recovery = 76.00% 81.00% Target Compounds 1) CHLORDANE PEAK 1 32.80f 0.00 1856 0 0.011 N.D. » 2) CHLORDANE PEAK 2 0.00 32.46 0 5912 N.D. 0.004 # 3) CHLORDANE PEAK 3 34.59 36.27 31421 25335 0.043 0.081 #

(f)=RT Delta > 1/2 Window (#)=Amounts differ by > 25% (m)=manual int. 22974.D 010828C.M Sun Sep 30 10:39:31 2001 Page 1

NYC-WTC_000079709

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NYC-WTC_000079709Source: NYC Law Department, mirrored locally

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