NYC-WTC_000162222
EPA staff distributed an environmental laboratory report to federal and city agencies on May 15, 2002.
30 shared non-person entities · 1 shared topics · similarity 0.976
machine-extracted · confidence unavailable · Check page ↗Document / 161 pages
EPA interim final report on WTC background study, April 2003
Machine-extracted title · confidence 100%Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.
NYC-WTC_000145869–000146029Folder label: “INTERIM FINAL April 2003”
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OCR status: ok · source: pdftotext
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■D o c o CT o o' cn "0 CD o ro 03 o> Table 4-3 O o o c 3 Quality Control Wipe Spike Sample Results For Lead CD 3
Spike Sample True Value Percent QC Limit % Sample Identification Number Spike Added (g) (ug/wipe) +- 2% Results^ Recovery Recovery (ugZwipe) 13-BG-Common Area-Wipe Ceiling 1-L 0.0919 413 361 87% 80-120% 10-BG-Common Area-Wipe Ceiling 1-L 0.1018 457 397 87% 80-120% 11-BG-Common Area-Wipe Ceiling 1-L 0.0997 448 405 90% 80-120% 14-BG-Common Area-Wipe Ceiling 1-L 0.1063 477 414 87% 80-120% 9-BG-Common Area-Wipe Ceiling 1-L 0.1031 463 404 87% 80-120% 4-BG-Wipe Ceiling 1-L_____________ 0.0572 257 219 85% 80-120% 2-BG-Common Area-Wipe Ceiling 1-L 0.0530 238 189 79% 80-120% 8-BG-Wipe Ceiling 1-L_____________ 0.0956 429 432 101% 80-120% 3-BG-Wipe Ceiling 1-L_____________ 0.0602 270 209 78% 80-120% 5-BG-Wipe Ceiling 1-L_____________ 0.0504 226 205 91% 80-120% 1-BG-Common Area-Wipe Ceiling 1-L 0.0540 242 202 83% 80-120% 6-BG-Wipe Ceiling 1-L_____________ 0.0708 318 289 91% 80-120% 7-BG-Common Area-Wipe Ceiling 1-L 0.0681 306 294 96% 80-120% 12-BG-Common Area-Wipe Ceiling 1-L 0.0982 441 ND^ 80-120%
1 Result of the spike sample sent indistinguishably to the lab with field samples. 2 It is believed this sample was inadvertently switched at the laboratory with a counter wipe sample. The laboratory could not confirm this result, although the result of the counter wipe was 383 ug/ft^' where as the ceiling wipe sample was not detected.
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NYC-WTC_000145926Source: NYC Law Department, mirrored locally
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Draft compilation of asbestos air samples collected from residential areas November-December 2001 by NYC DOH and ATSDR.
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Series of emails forwarding a draft memo between DEP staff members for review and finalization.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164784
Transmission of revised asbestos sampling results for residential samples collected November-December 2001.
20 shared non-person entities · 1 shared topics · similarity 0.966
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000154652
Internal tracking document for managing reports, comments, and actions related to environmental compliance cases.
12 shared non-person entities · 1 shared topics · similarity 0.964
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