NYC-WTC_000132108
Cover letter transmitting lead in dust sampling results for 114 Liberty Street.
12 shared non-person entities · similarity 0.955
machine-extracted · confidence unavailable · Check page ↗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_000124631–000124901Folder label: “74-90 CHURCH ST 1001230, 86/1”
Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
LABORATORY •CONTROL SAMPLE EVALUATION REPORT
Trace Level Organic Compounds
Client Lot #...: G1J260165 Work Oxder #...: EMWDK1AC Matrix.........: SOLID LCS Lot-Sample#: 613260000-419 Prep Date....... 10/26/01 Analysis Date..: 10/28/01 Prep Batch #.... 1299419 Dilution Factor: 1
PERCENT RECOVERY PARAMETER RECOVERY LIMITS METHOD 2,3,7,8-TODD 87 (60 - 141) SW846 8290 1,2,3,7,8-PeCDD 86 •(65 - 3.40) SW846 8290 1,2,3,4,7,8-HxCDD 105 (52 - 152) SW846 8290 3.,2,3,6,7,8-BxCDD 92 (62 - 138) SW846 8290 1,2,3,7,8,9-HxCDD 100 (58 - 147) SK846 8290 1,2,3,4,6,7,8HpcDD 89 (65 - 137) $11846 8290 OCDD 93 (64 - 143) S1846 8290 2,3,7,8-T 91 (59 - 140) 811846 8290 1,2,3,7,8-PeCDF 89 (64 - 140) SN846 8290 2,3,4,7,8-PeCDF 87 (61 - 141) SW846 8290 1,2,3,4,7,8-HxCDF 86 (66 - 137) SW846 8290 • 1,2,3,6,7,8-HxCDF 89 (60 - 138) SW846. 8290 2,3,4,6,7,8-HxCDF 95 (65 - 148) SN846 8290 1,2,3,7,8,9-HxCDF 91 (59 - 146) SN846 8290 1,2,3,4,6,7,8-HpCDF 85 (64 - 138) SN846 8290 1,2,3,4,7,8,9-HpCDF 88 (58 - 145) 811846 8290 OCDF 93 (58 - 145) 811846 8290
PERCENT RECOVERY INTERNAL STANDARD RECOVERY LIMITS 13C-2,3,7,8-TCDD 82 (40 - 135) 13C-1,2,3,7,8-PeCDD 84 (40 - 135) 13C-1,2,3,6,7,8-HxCDD 76 (40 - 135) 13C-1,2,3,4,6,7,8-HpCDD 96 (40 - 135) 13C-OCDD 95 (40 - 135) 13C-2,3,7,8-TCDF 84 (40 - 135) 13C-.,2,3,7,8-PeCDF 82 (40 - 135) 13C-1,'213,4,7,8-HxCDF 84 (40 - 135) 13C-1,2,3,4,6,7,8-HpCDF 97 (40 - 135)
NOTE(S)• Cakutatious are performed before rounding to avoid round.off errors in calculated results. Bold prior denotes control parameters
•
13( NYC-WTC 000124772
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NYC-WTC_000124772Source: NYC Law Department, mirrored locally
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- 90 Church Street · 271 pages · confidence 0.95 · verify page 1
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