DEP discussion of drafting water use exemption notice for contractors performing necessary WTC hazard remediation and facade cleanup work.
NYC-WTC_000160788–000160797Folder label: “E-mails R. Avaltroni 2002”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
f
I I additional action to reduce | I exposure I -------+— ------ 1 II 1 background or E-04 (30 I maintain recommended (i.e., | I yr)/HQ =1 to E-04 (1 yr)/HQ 1 diligent weVHEPA) cleaning | 1 = 10 I methods - consider 1 1_+— I additional monitoring I ------ +------------------- _| III I < background or E-04 (30 | no further action I I yr)/HQ = 1 I I _+----------- ------ 1
Asbestos (settled dust)
------ +-------------------------- +— •I Tier 1 Screening Value | Action I ------ +-------------------------- +— •I I > 10,000 fibers/cm2 | aggressive cleaning | (TEM AHERA counting rules) | (professional?) - if | I readings persist take | I additional action to reduce | I exposure ------ +----- •I II 1,000 (or background) - 1 maintain recommended (i.e., | 10,000 f/cm2 I diligent wet/HEPA) cleaning | I methods - consider I I additional monitoring I ------ +. -------+------------------- _| Ill I < background or 1,iWK f/cm21 no further action I (whichever is greater) 1 I !• -+----------------------------- +_ -I
Asbestos (indoor air)
------ +• ---------------------- +. •I Tier | Screening Value Action I ------ +. -------------------------- +-------------------------- •I 1 1 > .028 f/cc (E-04 X1 I aggressive cleaning 1 I yr) 1 (professional?) - if |
NYC-WTC_000160792
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_000160806
Forwarded EPA draft guidance on screening levels for asbestos, fiberglass, and silica in indoor air and settled dust for departmental review.
6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.981
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000160683
Transmission of WTC-related Q and A document to interagency task force with EPA Regional contact information.
7 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000159817
Circulation of draft environmental screening benchmarks for asbestos, fiberglass, and silica in indoor air and settled dust for expert review.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗7 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗7 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.976
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.975
machine-extracted · confidence unavailable · Check page ↗6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.975
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000141536
Request outlining DEP procurement and EPA supervision of cleaning and sampling contracts for Lower Manhattan residents.
7 shared non-person entities · 1 shared topics · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000108786
A document listing seven licensed contractors authorized to perform clean-up and abatement work at the World Trade Center site.
7 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000141555
Document requesting FEMA mission assignment for indoor air testing and cleaning programs in Lower Manhattan.
6 shared non-person entities · 1 shared topics · similarity 0.976
machine-extracted · confidence unavailable · Check 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.
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_000160529
Notice instructing staff to preserve original World Trade Center documents as potential legal evidence and not dispose of them.
Filed in the same folder
NYC-WTC_000160530
DEP memo documenting inconsistent dust control from WTC debris transport trucks affecting school reopening plans.
Filed in the same folder
Filed in the same folder
NYC-WTC_000160536
DEP memo discussing WTC recovery contractor operations, fuel requirements, infrastructure repairs, and school proximity.
Filed in the same folder
NYC-WTC_000160537
Forwarded draft press release from NYC Department of Health regarding WTC environmental and health guidance.
Filed in the same folder