NYC-WTC_000162253
EPA proposal for asbestos clearance criteria applied to WTC indoor cleanup operations.
3 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Asbestos
Tier Action Asbestos (settled dust) Asbestos (indoor air)
Screening Basis Screening Basis Value Value
1 Aggressive > 100,000 Risk-based > 0.0004 f/cc * Risk-based cleaning. If levels f/cm2 screening level screening level persist, take for residential for short term additional action to setting (E-04 x 1 exposures (< = reduce exposure. yr) 1 yr) may result in exposures which contribute to long-term risk.
II Maintain 10,000 to Risk- based NYC *Risk- based recommended 100,000 f/cm2 screening level background to screening level cleaning methods. for residential 0.0004 f/cc * for residential Consider additional setting (E-04 x setting (E-04 x monitoring 30 yr) 30 yr).
III No further action <or = <or = NYC required. background or background 1000f/cm2
NYC-WTC_000152856
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NYC-WTC_000162253
EPA proposal for asbestos clearance criteria applied to WTC indoor cleanup operations.
3 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164877
Proposal detailing a survey to assess seven preliminary contaminants in 100 buildings within a four-block radius of the World Trade Center site.
3 shared non-person entities · 1 shared topics · similarity 0.958
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163606
Strawman benchmarks for probable indoor contaminants of concern related to WTC assessment.
3 shared non-person entities · 1 shared topics · similarity 0.949
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139416
Multi-agency discussion of benchmark reference levels for probable indoor contaminants of concern, including asbestos in air.
3 shared non-person entities · 1 shared topics · similarity 0.949
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164835
DEP memo forwarding draft benchmark levels for indoor contaminants of concern developed by DHHS, EPA, and OSHA for interagency review and approval.
3 shared non-person entities · 1 shared topics · similarity 0.948
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.
3 shared non-person entities · 1 shared topics · similarity 0.948
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164830
DEP internal memo circulating draft EPA screening level standards for asbestos, fiberglass, and silica in indoor air and settled dust for agency comment.
3 shared non-person entities · 1 shared topics · similarity 0.948
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000154652
Internal tracking document for managing reports, comments, and actions related to environmental compliance cases.
3 shared non-person entities · 1 shared topics · similarity 0.946
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000151128
Report establishing health-based screening levels for the indoor environment with cross-agency representation.
3 shared non-person entities · 1 shared topics · similarity 0.945
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164862
Document introduction describing a cross-agency group tasked with identifying contaminants and establishing health-based screening levels.
3 shared non-person entities · 1 shared topics · similarity 0.944
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139634
DEP memo forwarding EPA draft screening level calculations for asbestos, fiberglass, and silica in indoor air and settled dust for review.
3 shared non-person entities · 1 shared topics · similarity 0.944
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140138
EPA memorandum addressing World Trade Center asbestos contamination status and agency efforts to provide information on the situation.
3 shared non-person entities · 1 shared topics · similarity 0.943
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000162253
EPA proposal for asbestos clearance criteria applied to WTC indoor cleanup operations.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.979 (not a probability)
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.
Similarity score 0.979 (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 0.979 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140651
Documentation setting dioxin action levels for indoor air and providing initial guidance on asbestos fiber concentration risk estimates.
Similarity score 0.975 (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 0.974 (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_000162253
EPA proposal for asbestos clearance criteria applied to WTC indoor cleanup operations.
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NYC-WTC_000164877
Proposal detailing a survey to assess seven preliminary contaminants in 100 buildings within a four-block radius of the World Trade Center site.
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NYC-WTC_000163606
Strawman benchmarks for probable indoor contaminants of concern related to WTC assessment.
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Multi-agency discussion of benchmark reference levels for probable indoor contaminants of concern, including asbestos in air.
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NYC-WTC_000164835
DEP memo forwarding draft benchmark levels for indoor contaminants of concern developed by DHHS, EPA, and OSHA for interagency review and approval.
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