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Chlorinated pesticide analysis results, sample AD22977, Sept-Oct 2001

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Laboratory report documenting analytical results for chlorinated pesticides in sample AD22977 collected September 2001.

NYC-WTC_000079811–000079822

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

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NYC 9/11 Public Portal Document

Signal #1 C: \HPCHEM\l\DATA\508F\01(j930\22977.D\ECDlA.CH Vial: 32 Signal #2 C:\HPCHEM\1\DATA\5O8F\O1O93O\22977.D\ECD2B.CH Acq On 1 Oct 2001 5:55 pm Operator: Nefliu Sample sample 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 I 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 34.65 407991 519230 0.090 0.092 Spiked Amount 0.100 Recovery = 90.00% 92.00% Target Compounds 1) PROPACHLOR 0.00 16.22 0 9593 N.D. d 0.012 2) g-BHC 23.70 21.34 1447 5728 0.000 0.001 # 3) HEPTACHLOR 26.28 23.16f 721 3447 0.000 0.000 # 4) ALDRIN 29.01 24.84 8265 3359 0.001 0.000 # 5) HEPTACHLOR EPOXI 32.49f 30.14 5191 3900 0.001 0.000 # 6) 4,4'-DDE 36.15 33.03 2099 4345 0.000 0.000 # 7) DIELDRIN 36.56 33.77 6737 1633 0.001 0.000 # 8) ENDRIN 38.77 34.85 2971 2735 0.001 0.000 # 9) METHOXYCHLOR 50.37 42.10 3035 418828 0.001 0.174 #

(f)=RT Delta > 1/2 Window (#)=Amounts differ by > 25% (m)=manual int. 22977.D 010930P.M Tue Oct 09 10:41:19 2001 Page 1

NYC-WTC_000079812

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NYC-WTC_000079812Source: NYC Law Department, mirrored locally

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