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Document / 6 pages

Reference standard analysis, sample AD22542, Sept 2001

Machine-extracted title · confidence 90%

Laboratory report listing reference standard results for organochlorine pesticides in sample AD22542 analyzed September 17-24, 2001.

NYC-WTC_000079019–000079024

Folder label: “508 9/17/01 9/28/01

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NYC 9/11 Public Portal Document Quantitation Report (QT Reviewed) Signal #1 : C:\HPCHEM\l\DATA\508F\010923\PRL1242.D\ECDlA.CHVial: 34 ■ 'Signal #2 : C:\HPCHEM\l\DATA\508F\010923\PRL1242.D\ECD2B.CH Acq On : 24 Sep 2001 12:59 am Operator: Nefliu Sample Inst : 104 Mise : Multiplr: 1.00 IntFile Signal #1: events.e IntFile Signal #2: events2.e Quant Time: Sep 26 16:11 2001 Quant Results File: PCB1242.RES

Quant Method : C:\HPCHEM\1\METHODS\PCB1242.M (Chemstation Integrator) Title : DUAL 508 CHLORINATED PESTICIDES CHLORDANE 6/3/99 Last Update : Wed Sep 26 14:42:45 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 6) s 2,4-DDD SURROGAT 37.75 34.68 857185 1235409 0.224 0.207 Spiked Amount 0.200 Recovery = 112.00% 103.50% Target Compounds 1) PEAK 1 23.76 16.30 67980 41943 0.193m 0.202 2) PEAK 2 26.92 18.96 121242 80887 0.183 0.198 3) PEAK 3 28.20 22.38 43043 115096 0.227m 0.157 # 4) PEAK 4 33.49 24.18 44878 32839 0.211 0.134 # 5) PEAK 5 35.05 29.07 32293 43605 0.199 0.280 #

iW-)

(f)=RT Delta > 1/2 Window (#)=Amounts differ by > 25% (m)=manual int. PRL1242.D PCB1242.M Wed Sep 26 16:12:01 2001 Page 1

NYC-WTC_000079023

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NYC-WTC_000079023Source: NYC Law Department, mirrored locally

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