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Chlorinated pesticide analysis results, sample AD23498, Oct 2001

Machine-extracted title · confidence 90%

Laboratory results for chlorinated pesticides and PCBs in sample AD23498, showing elevated chlordane levels detected.

NYC-WTC_000080616–000080624

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\-23498;D\ECDlA.CH Vial: 40 Signal #2 : C:\HPCHEM\l\DATA\508F\011012\23498.D\ECD2B.CH Acg On : 13 Oct 2001 8:31 pm Operator: Ne f1iu Sample : sample Inst : 104 Mise : Multiplr: 1.00 IntFile Signal #1: events.e IntFile Signal #2: events2.e Quant Time: Oct 15 10:57 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 Respttl Resp#2 ug/L ug/L

System Monitoring Compounds 10) S 2,4-DDD SURROGAT 37.24 34.49 437365 561862 0.096 0.102 Spilced Amount 0.100 Recovery = 96.00% 102.00% Target Compounds 1) PROPACHLOR 17.00 16.19 1638 6561 0.002 0.008 # 2) g-BHC 23.36 21.45 11909 1873 0.001 0.000 # 3) HEPTACHLOR 25.92 22.62 1198 10164 0.000 0.001 # 4) ALDRIN 28.00f 24.66 4806 1243 0.001 0.000 # 5) HEPTACHLOR EPOXI 32.50 29.80 3208 4008 0.000 0.000 6) 4,4'-DDE 35.81 32.90 727 2580 0.000 0.000 # 7) DIELDRIN 36.21 33.73 3805 2873 0.001 0.000 # 8) ENDRIN 38.49 0.00 4252 0 0.001 N.D. d# 9) METHOXYCHLOR 0.00 41.86 0 548957 N.D. 0.264 #

(f)=RT Delta > 1/2 Window {#)=Amounts differ by > 25% (m)=manual int. 23498.D 011012P.M Mon Oct 15 10:57:56 2001 Page 1

NYC-WTC_00d080617

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NYC-WTC_000080617Source: NYC Law Department, mirrored locally

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