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Chlorinated pesticide analysis results, sample AD23499, Oct 2001

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Laboratory report for chlorinated pesticides in sample AD23499 extracted September 27, 2001, with all results below detection limits.

NYC-WTC_000080625–000080633

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

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NYC 9/11 Public Portal Document Quantitation Report (QT Reviewed)’ Signal- #1 :-C: \HPCHEM\ 1 \DATA\508F\011012\23499.D \ECD1A7CH'ViSl—42— Signal #2 : C:\HPCHEM\l\DATA\508F\011012\23499.D\ECD2B.CH Acq On : 13 Oct 2001 9:29 pm Operator; Nefliu Sample : sample Inst : 104 Mise : Multiplr: 1.00 IntFile Signal #1: events.e IntFile Signal #2: events2.e Quant Time: Oct 15 10:58 2001 Quant Results File: 011012P.RES Quant Method : C:\HPCHEM\1\METHODS\011012P.M (Chemstation Integrator) Title : 508 CHLORINATED PESTICIDES 9/6/00 Last Update : Fri Sep 28 14:35:02 2001 Response via : Initial Calibration DataAcg 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 37.24 34.49 418698 555694 0.092 0.100 Spiked Amount 0.100 Recovery = 92.00% 100.00% Target Compounds 1) PROPACHLOR 17.01 16.19 3699 5863 0.005 0.007 # 2) g-BHC 23.36 21.10 25711 5867 0.003 0.001 # 3) HEPTACHLOR 25.65f 22.62 5086 8547 0.001 0.001 4) ALDRIN 28.81 24.87 3393 7992 0.000 0.001 # 5) HEPTACHLOR EPOXI 32.51 29.79 1386 4248 0.000 0.000 # 6) 4,4'-DDE 35.84 32.90 690 4721 0.000 0.000 # 7) DIELDRIN 36.21 33.74 6288 6483 0.001 0.001 8) ENDRIN 38.26 0.00 813 0 0.000 N.D. d# 9) METHOXYCHLOR 49.75 41.86 7971 304735 0.004 0.147 #

(f)=RT Delta > 1/2 Window (#)=Amounts differ by > 25% (m)=manual int. 23499.D 011012P.M Mon Oct 15 10:58:43 2001 Page 1

NYC-WTC_000080626

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NYC-WTC_000080626Source: NYC Law Department, mirrored locally

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