16 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.969
machine-extracted · confidence unavailable · Check page ↗Document / 13 pages
COC/[name] update document introduction, April 2002
Machine-extracted title · confidence 100%Document introduction describing a cross-agency group tasked with identifying contaminants and establishing health-based screening levels.
NYC-WTC_000164862–000164874Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Lead (indoor air)
Tier Screening Value Basis Action I 1.5 ug/m^ NAAQS (intended to keep Aggressive cleaning - if 99.5 % of childhood levels persist, take additional population below 30 ug/dl action to reduce exposure II .1 ug/m^ - 1.5 ug/m3 .1 ug/m3 - UBK Lead Model Maintain recommended default value for urban (diligent wet/HEPA) cleaning background methods -consider additional monitoring III . 1 ug/m^ (or background) Determination of local No further action background
*PAHs (settled dust)
NYC-WTC_000164867
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000164867Source: NYC Law Department, mirrored locally
Related records
Browse subjects →Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
Same-box records
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.
4 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.951
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.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.950
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
NYC-WTC_000151128
Report establishing health-based screening levels for the indoor environment with cross-agency representation.
15 shared non-person entities · 1 shared topics · similarity 0.999
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.
16 shared non-person entities · 1 shared topics · similarity 0.969
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.
3 shared non-person entities · 1 shared topics · similarity 0.963
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140649
Documentation defining action thresholds for PAHs in indoor air based on residential risk assessments and background concentrations.
1 shared topics · similarity 0.955
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140647
Table defining action thresholds for lead in indoor air using NAAQS and background values to determine required cleaning measures.
3 shared non-person entities · 1 shared topics · similarity 0.954
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.
17 shared non-person entities · 1 shared topics · similarity 0.953
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140648
Table establishing risk-based screening levels for polycyclic aromatic hydrocarbons in settled dust with corresponding remediation actions.
2 shared non-person entities · 1 shared topics · similarity 0.950
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140823
Table establishing Tier I, II, and III thresholds for dioxin in indoor air with associated cleaning actions.
2 shared non-person entities · 1 shared topics · similarity 0.949
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140650
Table outlining risk-based screening levels for dioxins in settled dust with specific cleaning requirements for exceeding thresholds.
3 shared non-person entities · 1 shared topics · similarity 0.948
machine-extracted · confidence unavailable · Check page ↗More like this page
Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
Page similarity is temporarily unavailable or this page has no indexed vector.
Others also read
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.
Report establishing health-based screening levels for the indoor environment with cross-agency representation.
Similar indexed content
Similar indexed content
NYC-WTC_000162222
EPA staff distributed an environmental laboratory report to federal and city agencies on May 15, 2002.
Similar indexed content
NYC-WTC_000140651
Documentation setting dioxin action levels for indoor air and providing initial guidance on asbestos fiber concentration risk estimates.
Similar indexed content
NYC-WTC_000140649
Documentation defining action thresholds for PAHs in indoor air based on residential risk assessments and background concentrations.
Similar indexed content