Strawman benchmarks for probable indoor contaminants of concern related to WTC assessment.
NYC-WTC_000163606–000163611Folder label: “E-mails 2002 M. Gilsenan”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
+ 1 I I > 40 ug/ft2 or 1,200 ppm | aggressive cleaning I 1 1 (professional?) - if 1 I I readings persist take I I I additional action to reduce 1 1 1 exposure 1 + +-------------------------- 1 II I 400 - 1,200 ppm 1 maintain recommended (i.e., | 1 I diligent wet/HEPA) cleaning | I 1 methods - consider I I I additional monitoring +-------------------- I III I <40 ug/ft or 400 ppm 1 no further action I +-------------------- I
Lead (indoor air)
----- + + Tier I Screening Value I Action + I I >1.5 ug/m3 (NAAQS) aggressive cleaning | 1 (professional?) - if | 1 readings persist take | I additional action to reduce 1 I exposure | '+ I II I background - 1.5 ug/m3 I maintain recommended (i.e., I I I diligent wet/HEPA) cleaning I I I methods - consider I I 1 additional monitoring 1 .+------------------------- I III I < background 1 no further action ■+-------------------------------------------------------- I
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NYC-WTC_000163609
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000162222
EPA staff distributed an environmental laboratory report to federal and city agencies on May 15, 2002.
6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.954
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.
7 shared non-person entities · 1 shared topics · similarity 0.994
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.
7 shared non-person entities · 1 shared topics · similarity 0.984
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 · similarity 0.965
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000154652
Internal tracking document for managing reports, comments, and actions related to environmental compliance cases.
6 shared non-person entities · 1 shared topics · similarity 0.963
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000151635
EPA memorandum detailing plans for asbestos wipe sampling, projecting airborne dust levels, and estimating increased cancer risks from WTC dust exposure.
6 shared non-person entities · 1 shared topics · similarity 0.957
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.
6 shared non-person entities · 1 shared topics · similarity 0.957
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140259
Memorandum detailing procedures for asbestos wipe sampling in Lower Manhattan and estimating associated cancer risks from dust exposure.
6 shared non-person entities · 1 shared topics · similarity 0.956
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140170
EPA memorandum on wipe sampling methods for asbestos in Lower Manhattan buildings, resuspension projections, and cancer risk estimates from WTC dust exposure.
6 shared non-person entities · 1 shared topics · similarity 0.956
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · similarity 0.954
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.
6 shared non-person entities · 1 shared topics · similarity 0.952
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000149346
A chain of custody cover sheet for air monitoring samples sent to the EPA Region 1 laboratory in January 2003.
5 shared non-person entities · 1 shared topics · similarity 0.952
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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.
Similarity score 0.977 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000160788
DEP discussion of drafting water use exemption notice for contractors performing necessary WTC hazard remediation and facade cleanup work.
Similarity score 0.974 (not a probability)
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.
Similarity score 0.973 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000160788
DEP discussion of drafting water use exemption notice for contractors performing necessary WTC hazard remediation and facade cleanup work.
Similarity score 0.965 (not a probability)
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.
Similarity score 0.964 (not a probability)
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.
Similarity score 0.963 (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_000162065
Notice instructing staff to preserve original World Trade Center documents as evidence for potential legal actions against the City.
Filed in the same folder
NYC-WTC_000162066
Daily summary of calls received by the WTC hotline on May 1, 2002, categorized by topic.
Filed in the same folder
NYC-WTC_000162067
Daily summary of calls received by WTC hotline operators on May 1, 2002, categorized by topic.
Filed in the same folder
NYC-WTC_000162071
Correspondence regarding EPA and FEMA meetings on indoor air quality approaches for the World Trade Center site.
Filed in the same folder
NYC-WTC_000162073
Daily summary of calls received by the WTC hotline on May 2, 2002, including requests for indoor air testing.
Filed in the same folder