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Document / 4 pages

Chlorinated pesticide analysis results, sample AD22976, Sept-Oct 2001

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Laboratory report documenting analytical results for chlorinated pesticides in sample AD22976 collected September 2001.

NYC-WTC_000079783–000079786

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\1\DATA\5O8F\O1O93O\22976SP.D\ECD1A.CH Vial: 54 Signal #2 C:\HPCHEM\l\DATA\508F\010930\22976SP.D\ECD2B.CH Acq On 2 Oct 2001 4:31 am Operator: Nefliu Sample 22976 spike pest Inst ; 104 Mise : Multiplr: 1.00 IntFile Signal #1: events.e IntFile Signal #2: events2.e Quant Time: Oct 9 10:40 2001 Quant Results File: 010930P.RES

Quant Method : C:\HPCHEM\1\METHODS\010930P.M (Chemstation Integrator) Title : 508 CHLORINATED PESTICIDES 9/6/00 Last Update : Fri Sep 28 14:35:02 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 10) S 2,4-DDD SURROGAT 37.59 34.64 397759 515711 0.087 0.091m Spiked Amount 0.100 Recovery = 87.00% 91.00% Target Compounds 1) PROPACHLOR 17.34 16.29 238428 281544 0.338 0.341m 2) g-BHC 23.69 21.41 2083329 2864090 0.259 0.271 3) HEPTACHLOR 26.42 22.86 785582 1176343 0.145 0.145 4) ALDRIN 28.97 24.97 550909 656103 0.059 0.064 5) HEPTACHLOR EPOXI 32.79 30.05 2018134 2480556 0.257 0.263 6) 4,4'-DDE 36.14 33.05 5225797 6543937 0.647 0.689 7) DIELDRIN 36.48 33.74 977944 1238749 0.136 0.138 8) ENDRIN 38.64 34.78 998652 1392007 0.197 0.216m 9) METHOXYCHLOR 50.54 42.08 783992 1090864 0.383 0.453

(f)=RT Delta > 1/2 Window (#)=Amounts differ by > 25% (m)=manual int. 22976SP.D 010930P.M Tue Oct 09 10:40:31 2001 Page 1

NYC-WTC_000079785

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NYC-WTC_000079785Source: NYC Law Department, mirrored locally

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