5 shared non-person entities · 1 shared topics · similarity 0.947
machine-extracted · confidence unavailable · Check page ↗Document / 35 pages
Contaminant of Potential Concern exceedance table, Unit 2A
Machine-extracted title · confidence 90%Table comparing contaminant levels before and after cleaning for Unit 2A, including dioxin, PAHs, asbestos, and lead.
NYC-WTC_000186138–000186172Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
( ( <
Internal Review Draft
CONTAMINANT OF POTENTIAL CONCERN (COPC) EXCEEDANCE BY EVENT TABLE [ADD] - LEMONGRASS GRILL, TEST 4A
Cleanup Criteria Pre-Cleaning I Post-First Cleaning [Post-Second Cleaning Post-Encap. COPC Air Wipe MV Air jWipe MV ESSHH cm [2] IV Air Wipe MV Dioxin 0.001 ng/m3 4 ng/m2 PAH 0.2 ug/m3 300 ug/m2 Asbestos 0.0009 f/cc n/a OL OL OL OL OL Lead 1 ug/m3 25 ug/ft2 25 ug/ft2 10700 J 25.9 R 166 MMVF 0.01 f/cc n/a Silica 4 ug/m3 n/a
OL = Overloading of particulates MV = Microvac R = Result rejected o J = Estimated concentration H K I (—1
S O o o I o
o LO
LO CO
NYC-WTC_000186171
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NYC-WTC_000186171Source: NYC Law Department, mirrored locally
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