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Chlorinated pesticide analysis results, sample AD23501, Oct 2001

Machine-extracted title · confidence 90%

Laboratory report for chlorinated pesticides in sample AD23501 extracted September 27, 2001, with all results below detection limits.

NYC-WTC_000080643–000080651

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\l\DATA\508F\-011012\-2350r. ‘D\ECDlA.CH Vial: 46 Signal #2 : C:\HPCHEM\l\DATA\508F\011012\23501.D\ECD2B.CH Acq On : 13 Oct 2001 11:25 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 11:01 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 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 37.24 '34.49 414561 580666 0.091 0.105 Spilced Amount 0.100 Recovery = 91.00% 105.00% Target Compounds 1) PROPACHLOR 17.10 16.19 6360 7223 0.009 0.008 2) g-BHC 23.36 21.10 12490 7451 0.002 0.001 # 3) HEPTACHLOR 25.92 22.61 839 7710 0.000 0.001 # 4) ALDRIN 28.64 24.87 2449 7478 0.000 0.001 # 5) HEPTACHLOR EPOXI 32.51 29.79 987 3088 0.000 0.000 # 6) 4,4'-DDE 35.67 32.90 3489 4297 0.000 0.000 7) DIELDRIN 36.21 0.00 3401 0 0.000 N.D. # 9) METHOXYCHLOR 0.00 41.86 0 389947 N.D. 0.188 #

(f)=RT Delta > 1/2 Window {#)=Amounts differ by > 25% (m)=manual int. 23501.D 011012P.M Mon Oct 15 11:01:30 2001 Page 1

NYC-WTC_000080644

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NYC-WTC_000080644Source: NYC Law Department, mirrored locally

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