NYC-WTC_000154496
Memo summarizing daily activities including a debris site visit request on October 30, 2001.
14 shared non-person entities · similarity 0.975
machine-extracted · confidence unavailable · Check page ↗Document / 3 pages
NYC-WTC_000204856
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000204856–000204858Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
10/30/2001 13:40 518-457-5545 NVSDCa.-PESH PAGE 08
fi'cc “ Fibers pCT Cubic Centimeter TWA = Time Weighted Average PEAK = Highest Level Seen Dur^ T<»t PEL = Permissible Exposure Limit PESH “NYS Public Employee Safety and Health Bureau Kwn = parts per millikm STEL = Short Twin Exposure Limit =nalligrams per cubic meter ug/M = nucrogram per cubic meter ND = nut detected NA = not Applicable % “Percent < = Le8sTlian “LessThan or Equal To «* = Metals scan also included; Aluminum, Chromium, Mangenese, Molybdenum, Strontium, and NickeL Analytical Method for total dust is based on MOSH 0600 Anal^cal Method for silica is based on OSHA ID 142 and NIOSH 7500 Analytical Method for metals is based on OSHA ID t25G ' = Sample result based on analytical method NIOSH 7400. This roethod utilizes Phase Contrast Microscopy (PCM) which counts ALL FIBERS longer than 5 microns in Icogfli and have a kagib to width ratio equal to or greater than 3:1. = Sample result based rm analytical method NIOSH 7402. This method utilizes Transmission Electron Mfcroscopy (TEM) to itteatify and quantify asbestos fibers present. ’ = The Ceiling Limit for carbon monoxide is to be measured ovtr a 5 minute sample. * - Results may include soluble non-sulfuric acid sulfur coropoonds
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CITY_21MC100_003062564
NYC-WTC_000204858
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NYC-WTC_000204858Source: NYC Law Department, mirrored locally
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