OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Polycyclic Aromatic Hydrocarbons (PAHs)
Tier Action PAHs (settled dust) PAHs (indoor air) Screening Basis Screening Basis Value Value I Aggressiye >9 mg/m2 Risk-based >6 ug/m3 Risk-based cleaning. If leyels screening leyel screening leyel persist, take for residential for residential additional action to setting (E-04 x 1 setting (E-04 x reduce exposure. yr) 1 yr) II Maintain 0.3 mg/m2 to 9 0.3 mg/m2 is 0.2 ug/m3 (or 0.2 ug/m3 is recommended mg/m2 Risk- based background)to Risk- based cleaning methods. screening leyel 6 ug/m3 screening leyel Consider additional for residential for residential monitoring setting (E-04 x setting (E-04 x 30 yr) 30 yr)
III No further action <0.3 mg/m2 (or Determination <0.2 ug/m3 (or Determination background) of local background) of local background background
PAHs are a large group of compounds that are eyaluated as benzo(a)pyrene-equiyalents.
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NYC-WTC_000164847
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000164862
Document introduction describing a cross-agency group tasked with identifying contaminants and establishing health-based screening levels.
16 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.969
machine-extracted · confidence unavailable · Check page ↗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 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000176160
Draft assessment summarizing eight months of monitoring data regarding air, dust, and water contaminants at the WTC site and surrounding areas.
30 shared non-person entities · 1 shared topics · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗29 shared non-person entities · 1 shared topics · similarity 0.987
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000176140
Appendix document outlining health protective screening values and contaminants of concern for WTC site workers and Lower Manhattan residents.
16 shared non-person entities · 1 shared topics · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000148952
Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.
27 shared non-person entities · 1 shared topics · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000145869
Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.
30 shared non-person entities · 1 shared topics · similarity 0.975
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000160878
EPA notice of chain-of-custody and benchmarks presentation for WTC Taskforce meeting on April 8, 2002.
16 shared non-person entities · 1 shared topics · similarity 0.974
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000186132
Draft document outlining health effects screening criteria for ambient air developed by EPA Region 2 in October 2002.
12 shared non-person entities · 1 shared topics · similarity 0.971
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000151128
Report establishing health-based screening levels for the indoor environment with cross-agency representation.
13 shared non-person entities · 1 shared topics · similarity 0.969
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000178091
Sampling protocol developed to assess residential exposure to airborne and settled dust near the World Trade Center.
12 shared non-person entities · 1 shared topics · similarity 0.963
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.
21 shared non-person entities · 1 shared topics · similarity 0.963
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000162222
EPA staff distributed an environmental laboratory report to federal and city agencies on May 15, 2002.
Similarity score 0.996 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000176160
Draft assessment summarizing eight months of monitoring data regarding air, dust, and water contaminants at the WTC site and surrounding areas.
Similarity score 0.983 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140820
Table defining Tier I, II, and III action levels for PAHs in settled dust based on residential risk assessments.
Similarity score 0.976 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000160878
EPA notice of chain-of-custody and benchmarks presentation for WTC Taskforce meeting on April 8, 2002.
Similarity score 0.976 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.972 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000151128
Report establishing health-based screening levels for the indoor environment with cross-agency representation.
Similarity score 0.966 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
NYC-WTC_000145869
Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.
Cited alongside this record in an Ask answer
NYC-WTC_000106330
Letter reporting asbestos testing results for air and dust at Borough of Manhattan Community College in February 2002.
Cited alongside this record in an Ask answer
NYC-WTC_000148952
Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.
Cited alongside this record in an Ask answer
NYC-WTC_000095688
Cover page for a Preliminary Environmental Assessment report dated January 10, 2006 for 30 West Street.
Cited alongside this record in an Ask answer
NYC-WTC_000162222
EPA staff distributed an environmental laboratory report to federal and city agencies on May 15, 2002.
Cited alongside this record in an Ask answer