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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NYC 9/11 Public Portal Document
Table 4. Lead
Tier Action Lead (settled dust) Lead (indoor air) Level Basis Level Basis I Aggressive >40 ug/ff 1) HUD standard >1.5 ug/m’ NAAQS cleaning. If levels for floors (intended to persist, take 2) Residential keep 99.5% of additional action to Lead Hazard children below reduce exposure. Standard (TSCA 30 ug/dl) Section 403) n Maintain 40 ug/ff to 25 25 ug/ft^ is HUD 1.5 ug/m’ to 1 ug/m’ is the recommended ug/fV (or screening level 1 ug/m’ (or calculated value cleaning methods. backgroimd) for floors background) using EPA’s Consider additional lEUBK Lead monitoring. Model for Children* in No further action <25 ug/fV (or Level could also 1 ug/m’ (or Level could also background) be set at that background) be set at that found in found in backgroimd, or background, or unaffected, areas, unaffected, so that no areas, so that no increase in risk increase in risk due to lead due to lead would be would be expected. expected.
* EPA developed the Integrated Exposure Uptake Biokinetic (lEUBK) Lead Model [EPA, 1994] to evaluate multimedia lead exposure to children in residential settings. EPA established a goal of attaining a 95% probability that blood lead levels in children be less than 10 ug/dl [EPA 1994a]. Setting the indoor air lead concentration at 1 ug/m’ (and using backgroimd concentrations for lead in water, diet, soil and dust) the lEUBK Lead Model estimates that 96% of the blood lead probability distribution falls below 10 ug/dl. See Appendix E for model run data files and graph of blood lead probability distribution.
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NYC-WTC_000145974
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NYC-WTC_000145974Source: NYC Law Department, mirrored locally
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NYC-WTC_000148952
Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.
44 shared non-person entities · 1 shared topics · similarity 0.975
machine-extracted · confidence unavailable · Check page ↗30 shared non-person entities · 1 shared topics · similarity 0.975
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000149537
Instructions and sections for collecting sample location data from a specific building interior.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139656
Forwarded spreadsheet compiling residential asbestos sampling results collected in November-December 2001, including Building 11 reoccupancy assessment.
19 shared non-person entities · 1 shared topics · similarity 0.970
machine-extracted · confidence unavailable · Check page ↗23 shared non-person entities · 1 shared topics · similarity 0.970
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164960
Draft compilation of asbestos air samples collected from residential areas November-December 2001 by NYC DOH and ATSDR.
20 shared non-person entities · 1 shared topics · similarity 0.969
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164732
Draft spreadsheet of asbestos sampling results from residential locations collected November-December 2001, circulated for review.
20 shared non-person entities · 1 shared topics · similarity 0.969
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139712
Series of emails forwarding a draft memo between DEP staff members for review and finalization.
20 shared non-person entities · 1 shared topics · similarity 0.969
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000125845
Draft fact sheet from DOH and DEP addressing tenant concerns regarding asbestos fibers at 105 Duane Street.
24 shared non-person entities · 1 shared topics · similarity 0.969
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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NYC-WTC_000146129
Correspondence from NYC Corporation Counsel providing comments on excerpts of a draft EPA evaluation report regarding the WTC response.
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