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Document / 271 pages

Chain of custody form, 90 Church Street, Nov 2001

Machine-extracted title · confidence 100%

Chain of custody document for samples from 90 Church Street dated November 14, 2001.

NYC-WTC_000124631–000124901

Folder label: “74-90 CHURCH ST 1001230, 86/1

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Scanned page image, NYC-WTC_000124894
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

LABORATORY CONTROL SAMPLE DATA REPORT

Trace Level Organic Compounds

Client Lot #...: OIJ270136 Work Order #...: EMOF41AC Matrix.......... WIPE LCS Lot-Sample: G1J270000-162 Prep Date......: 10/27/01 Analysis Date..: 10/28/01 Prep Batch #...: 1300162 Dilution Factor: 1

SPIKE MEASURED PERCENT PARAMETER AMOUNT AMOUNT UNITS RECOVERY METHOD 2,3,7,8 -TODD 200 222 pg 111 SW846 8290 1,2,3,7,8-PeCDD 1000 985 pg 99 SW846 8290 1 ,2,3,4,7,8-HxcDD 1000 1000 pg 100 5W846 8290 1,2,3.6,7,8-BXCDD 1000 989 pg 99 SW846 8290 1,2,3,7,8,9-R.cnD 1000 1010 pg 101 SW846 8290 1 , 2,3,4,6,7,8-HpcDD 1000 968 P9 97 SW846 8290 OCnn 2000 1890 pg 94 SW846 8290 2,3,7,8-TCDF 200 198 pg 99 SW846 8290 3-,2,3,7,8-PeCDF 1000 1000 pg 100 SW846 8290 2,3,4,7,8-PeCOF 1000 1050 pg 105 SW846 8290 1,2,3,4,7,8-HxCDF 1000 981 P9 98 SW846 8290 1,2,3,6,7,8-ExCF 1000 952 pg 95 SW846 8290 2,3,4,6,7,8-HxCDF 1000 1010 pg 101 SW846 8290 1,2,3,7,8,9-HxCDF 1000 1040 pg 104 SW846 8290 •

1,2,3,4,6,7,8-EpCDF 1000 962 p9 96 SW846 8290 1,2,3,4,7,8,9-EpCDF 1000 967 97 pg SW846 8290 OCDF 2000 1750 pg 87 SW846 8290

PERCENT RECOVERY INTERNAL STANDARD RECOVERY LIMITS 13C -2,3,7,8 -TODD 69 (40 - 135) 13C-1,2,3,7,8-PeCDD 90 (40 - 135) 1 3C- 1,2,3,6,7,8-HxCDD 84 (40 - 135) 13C-1,2,3,4,6,7,8-HpCDD 86 (40 - 135) 13C-OCDD 92 (40 - 135) 13C-2,3,7,8-TCDF 74 (40 - 135) 13C- 1,2,3,7,8-PeCDF 90 (40 - 135) 13C-1,2,3,4,7,8-BxCDF 78 (40 - 135) 13C- 1,2,3,4,6,7,8-HpCDF 85 (40 - 135)

NOTE (S) : Calculations ace performed before rounding to avoid round-of errors In calculated results. Hotel pdnt denotes conuoiparamctcrs

01J270136 STL - Sacramento (918) 373. 5800 480151 NYC-WTC 000124894

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NYC-WTC_000124894Source: NYC Law Department, mirrored locally

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