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
6.2.2 Man-Made Vitreous Fibers.......... .24 6.2.3 Lead.............................................. .25 6.2.4 Dioxin.......................................... .26 6.2.5 Polycyclic Aromatic Hydrocarbons .26 6.3 Minerals and Total Dust Results - Deyelopment of Background Concentrations.............................................................................27 6.3.1 Crystalline Silica.................. .... 27 6.3.1.1 Alpha-quartz ........ .... 27 6.3.1.2 Cristobalite............ .... 28 6.3.1.3 Tridymite.............. .... 28 6.3.2 Calcite.................................. .... 29 6.3.3 Gypsum................................ .... 30 6.3.4 Portlandite............................ .... 30 6.3.5 Total Dust............................ ....31
7.0 HISTORICAL STUDIES ON BACKGROUND CHARACTERIZATION 31 7.1 Background Literature Search Results 31 7.1.1 Residential Indoor Airborne Asbestos Measurements .... 31 7.1.2 Settled Asbestos Dust Measurements.......... .............. 32 7.1.3 Airborne Man-Made Vitreous Fibers Measur ats........ 32 7.1.4 Man-Made Vitreous Fibers in Settled Dust or Soil .......... 32 7.1.5 Lead Leyels in the Ambient Air........................................ 32 7.1.6 Residential Settled Lead Dust Measurements ................ 33 7.1.7 Dioxins in Soil and Settled Dust........................................ 33 7.1.8 Polycyclic Aromatic Hydrocarbons in Sediment and Soil 34 7.2 Comparison of WTC Backgroimd Study to Other Studies 34 7.2.1 Comparison of Airborne Asbestos Concentrations ........ 34 7.2.2 Comparison of Asbestos Settled Dust Concentrations .... 35 7.2.3 Comparison of Airborne Man-Made Vitreous Fiber (MMVFI Concentrations 35 7.2.4 Comparison of Man-Made Vitreous Fibers in Settled Dust or Soil 35 7.2.5 Comparison of Lead Concentrations in the Ambient Air .. 36 7.2.6 Comparison of Settled Lead Dust Measurements 36 7.2.7 Comparison of Dioxin Concentration in Settled Dust .... 37 7.2.8 Comparison of Polycyclic Aromatic Hydrocarbon Concentration in Settled Dust 38
8.0 DISCUSSION ... ....38
REFERENCES 43
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NYC-WTC_000145872
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NYC-WTC_000145872Source: 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.
24 shared non-person entities · similarity 0.972
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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Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.
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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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