29 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Document / 10 pages
E-mails R. Avaltroni 2002
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000160550–000160559Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Mercury: A total of 16 air samples were collected for mercury indicating TWA concentrations from none detected to 0.002 mg/m^. These measurements are all well below the NIOSH recommended ceiling limit and the OSHA ceiling limit of 0.1 mg/m^.
Metals: A total of 45 air samples were collected for 27 different metals including arsenic, beryllium, cadmium, chromium, cobalt, lead, magnesium, manganese, molybdenum, nickel, phosphorus, selenium, silver, tellurium, thallium, vanadium, and zinc. Only trace amounts of these metals were detected on any of the air samples.
Polynuclear Aromatic Hydrocarbons: A total of 12 air samples were collected for 16 different polynuclear aromatic hydrocarbons (PAHs) including anthracene, benzo(a)anthracene, benzo(b)fluoranthene, benzo(a)pyrene, chrysene, phenanthrene, and pyrene. Only trace amoimts of PAHs were detected on any the air samples. Four of the PAHs detected on the air samples in trace amoimts are the suspected human carcinogens benzo(a)anthracene, benzo(b)fluoranthene, benzo(a)pyrene, and chrysene.
Respirable Particulate: A total of 18 air samples were collected for respirable particulate and indicated TWA concentrations ranging from none detected to 0.32 mg/m^. These measurements are well below the OSHA PEL of 5 mg/m^. (NIOSH does not currently have an REL for respirable particulate.)
Respirable Crystalline Silica: A total of 18 air samples were collected for respirable crystalline silica. No respirable crystalline silica was detected on any of these air samples.
Total Particulate: A total of 36 air samples were collected for total particulate and indicated TWA concentrations ranging from none detected to 2.3 mg/m^. These measurements are well below the OSHA PEL for total particulate of 15 mg/m^. (NIOSH does not currently have an REL for total particulate.)
Volatile Organic Hydrocarbons: A total of 76 air samples were collected for volatile organic hydrocarbons including benzene, ethyl benzene, styrene, toluene, and xylene(s). Except for benzene, only trace amounts of VOCs were detected on any of these air samples. Two of these samples (0.35 and 0.46 mg/m^) 3
NYC-WTC_000160556
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000160556Source: 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
10 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.976
machine-extracted · confidence unavailable · Check page ↗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 0.975
machine-extracted · confidence unavailable · Check page ↗10 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.974
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.
6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.973
machine-extracted · confidence unavailable · Check page ↗11 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.973
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.
6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.972
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000160841
Forwarded summary of calls received at the WTC hotline on April 1, 2002, for agency review and action.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.972
machine-extracted · confidence unavailable · Check page ↗7 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.971
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000162025
Report on asbestos air sampling at five locations borough-wide, showing levels below residential reoccupancy threshold except at Manhattan site requiring further fiber analysis.
3 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.970
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
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 0.970
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164489
Discussion regarding asbestos sampling results in an apartment and potential release of a draft document.
4 shared non-person entities · 1 shared topics · similarity 0.970
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.
Buildings in this record
Machine-extracted building matches; verify each source. Buildings, never households.
- 125 Worth Street · 1 pages · confidence 0.15 · verify page 1
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.
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