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← Document results/DEP Box 64/508 10/1/01 Extract
Document / 4 pages

Chlorinated pesticide spike recovery results, sample AD23797, Oct 2001

Machine-extracted title · confidence 100%

Laboratory report showing spike recovery data for chlorinated pesticides in sample AD23797 from the WTC site.

NYC-WTC_000081049–000081052

Folder label: “508 10/1/01 Extract

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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document squall e X La L1 on _ Kepor.L A.yT_Keviewea, _ §ignal_n_j_C:\HPCHEM\l\DATA\508F\011016C\237.97SP_.D\ECDlA..CH Vial: 60 ■ Signal #2 : C:\HPCHEM\l\DATA\508F\011016C\23797SP.D\ECD2B.CH Acq On : 18 Oct 2001 1:30 pm Operator: Nefliu Sample : 23797 spike pest Inst : 104 Mise Multiplr: 1.00 IntFile Signal #1: events.e IntFile Signal #2: events2.e Quant Time: Oct 21 9:52 2001 Quant Results File: 011018P.RES

Quant Method : C:\HPCHEM\1\METHODS\011018P.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 37.25 34.39 742311 956901 0.199 0.203m Spiked Amount Recovery = 19^.<-CrC% 203.00% Target Compounds 1) PROPACHLOR 17.02 16.02 226451 261968 0.369 0.372 2) g-BHC 23.29 21.08 1815163 2611889 0.279 0.287 3) HEPTACHLOR 25.99 22.52 668423 1124823 0.148 0.159 4) ALDRIN 28.59 24.61 527097 642466 0.062m 0.066 5) HEPTACHLOR EPOXI 32.46 29.75 1879402 2361534 0.281 0.279 6) 4,4'-DDE 35.85 32.79 5105937 6086435 0.721m 0.764 7) DIELDRIN 36.15 33.47 935818 1202272 0.139m 0.145 8) ENDRIN 38.26 34.51 860340 1201105 0.223 0.246m 9) METHOXYCHLOR 49.80 41.70 596760 961020 0.417 0.509

(f)=RT Delta > 1/2 Window (#)=Amounts differ by > 25% (m)=manual int. 23797SP.D 011018P.M Sun Oct 21 09:52:49 2001 Page 1

NYC-WTC_000081051

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NYC-WTC_000081051Source: NYC Law Department, mirrored locally

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