NYC Law Department release
Independent mirror · updated as the City releases more · v1.2.6
← Document results/DEP Box 03/E-Mails Sent M. Gilsenan 2001-2002
Document / 52 pages

NYCDOH/ATSDR residential asbestos sampling results November-December 2001

Machine-extracted title · confidence 50%

Forwarded spreadsheet compiling residential asbestos sampling results collected in November-December 2001, including Building 11 reoccupancy assessment.

NYC-WTC_000139656–000139707

Folder label: “E-Mails Sent M. Gilsenan 2001-2002

Page image
Scanned page image, NYC-WTC_000139694
OCR text

OCR status: ok · source: pdftotext

z z o o io co

I ■D c o o CT o Action Levels for Respirable Silica o' o "0 CD CJ> General Public/Residents o CD 03 Action Levels: O o Settled dust (XRD) Steps for follow up Comments/Notes o c and 3 o respirable silica 3

<4 //m (NIOSH 7500) 1. Evaluate data, including trends over time Clean up should follow OSHA standards for training and worker protection and any state laws for licensing 2. Evaluate need to warn sensitive groups (people with breathing problems) Consideration should be given to removing hard to Settled dust clean furnishings, like carpet and upholstery, if > 5% crystalline 3. Evaluate the need to restrict general public sampling data remains elevated after repeated cleaning silica access NIOSH REL occupational standard for 8 hour TWA and 4. Identify source and take action to reduce levels exposure. Should limit exposure of general public to below 6 //g/m^ levels above occupational standards Air > 50 /zg/m^ 5. Evaluate dust loading and silica content to determine if dust clean up is needed

6. Resample after actions have been taken, or if no action, continue to monitor to confirm elevated levels

37

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

NYC-WTC_000139694Source: 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.

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.

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 →