NYC Law Department release
Independent mirror · updated as the City releases more · v1.3.2
☕ Buy me a coffee
← Document results/Unboxed/No folder label
Document / 4 pages

Fiberglass and mineral air sampling results, Building 1, Oct 2001

Machine-extracted title · confidence 90%

Report on air and settled dust analysis for crystalline minerals and fibers collected from residential units in October 2001.

NYC-WTC_000176062–000176065
Page image
Scanned page image, NYC-WTC_000176065
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

L. DRAFT Table 2: Fibers found in Air and Settled Dust in Your Building (Building 1) and the __________________________ Comparison Areas__________________________ Air: fibers per cubic centimeter of air (f/cc) Building Number Method or Location Total Fibers Asbestos (TEM) Fiberglass (SEM) (PCM) 1 Common Area <0.001 NA NA 1 Outdoor 0.001 NA NA 1 Residence 1 0.006 <0.001 0.00016 1 Residence 2 <0.001 NA NA Comparison Common Area 0.002 NA O.iWiglil4 Comparison Outdoor <0.001 NA <0, SHBIil4 Comparison Residences 0.003 NA 0.00009

Settled Dust: percent of sample (visual area estimation) containing the material (%) Building Number Method or Location Asbestos Fibers Asbestos (TEM) Fiberglass (PLM) (PLM) 1 Common Area NS NS NS 1 Outdoor ND <1 22 1 Residence 1 ND NA 20 1 Residence 2 ND NA 20 Comparison Common Area ND ND ND Comparison Outdoor NS NS NS Comparison Residences ND ND ND Notes: PCM: phase contrast microscopy analysis TEM: transmission electron microscopy analysis SEM: scanning electron microscopy analysis PLM: polarized light microscopy

ND: Not Detected NS: Not Sampled NA: Not Analyzed ' Results are maximum values found in comparison areas

NYC-WTC_000176065

OCR can misread numbers and units. Confirm readings against the page image before using them.

NYC-WTC_000176065Source: 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

Filed elsewhere

More like this page

Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.

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.

Compare copies and versions →