Forwarded spreadsheet compiling residential asbestos sampling results collected in November-December 2001, including Building 11 reoccupancy assessment.
NYC-WTC_000139656–000139707Folder label: “E-Mails Sent M. Gilsenan 2001-2002”
OCR status: ok · source: pdftotext
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■D o c o CT o o' Ca5 ■D CD O O> O> Sample/Analvtical Methods 3. 03
Parameter Environmental Media Sampling/Analvtical Method Sample Flow/time Analytical LOD/LOO* o o o c Asbestos*' I/O*~ air NIOSH 7400, NIOSH 7402 16L/min-4hr(3840L) 0.010 f/cc (LOQ) 3 Breathing zone sample height 5 hr (4800L) 0.008 f/cc CD 6hr(5760L) 0.007 f/cc Inhalable (< 100pm) I/O air ACGIH/ISO sampling criteria 4 L/min -3.2 hr (750L) 30 ug / 40 ug/m’ particles Gravimetric, XRD (crystalline silica, gypsum, mica, and calcite), and SEM (fibrous glass). Thoracic (<10pm) I/O air EPA IP-lOA/Gravimetric, 4L/min-3.2hr(750L) 30ug/40ug/m’ particles XRD (crystalline silica, gypsum, mica, and calcite), and SEM (fibrous glass) Respirable I/O air NIOSH 7500/ 2.5 L/min-5.3 hr(800L) 5 ug / 6 ug/m’ crystalline silica Gravimetric, XRD (gypsum and respirable (<4pm) mica, and calcite), and SEM 30 ug/ 90 ug/m’ particles (fibrous glass) Respirable (<2.5pm) I/O air EPA IP-lOA/Gravimetric 4L/min - 3.2 hr (750L) 30 ug/ 40 ug/m’ particles XRD (crystalline silica, gypsum, mica, and calcite), and SEM (fibrous glass) pH I/O dust EPA SW 846 Mtd 9045C (soils) 10-25 g asbestos I/O dust NY State Method 198.1 (PLM) 10-25 g and if <1% NY State Method 198.4 (TEM) silica, gypsum, I/O dust XRD (SEM for fibrous glass) 10-25 g fiberglass, mica, and calcite LOD;Limit of analytical detection; LOQ: Limit of analytical quantitation " use professional judgement re: asbestos sampling times to avoid filter overload (collection of 2 samples with different sampling times may be necessary)
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000139712
Series of emails forwarding a draft memo between DEP staff members for review and finalization.
26 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 1.000
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164960
Draft compilation of asbestos air samples collected from residential areas November-December 2001 by NYC DOH and ATSDR.
25 shared non-person entities · 1 shared topics · similarity 1.000
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164732
Draft spreadsheet of asbestos sampling results from residential locations collected November-December 2001, circulated for review.
25 shared non-person entities · 1 shared topics · similarity 1.000
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164784
Transmission of revised asbestos sampling results for residential samples collected November-December 2001.
23 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000149537
Instructions and sections for collecting sample location data from a specific building interior.
25 shared non-person entities · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000153220
Draft protocol outlining objectives and locations for assessing airborne and settled dust exposures in residential areas.
16 shared non-person entities · 1 shared topics · similarity 0.987
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000153258
Draft protocol for assessing airborne and settled dust exposures in residential areas following the World Trade Center collapse.
16 shared non-person entities · 1 shared topics · similarity 0.987
machine-extracted · confidence unavailable · Check page ↗17 shared non-person entities · 1 shared topics · similarity 0.984
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000153247
Draft protocol for assessing airborne and settled dust exposures in residential areas following the World Trade Center collapse.
15 shared non-person entities · 1 shared topics · similarity 0.980
machine-extracted · confidence unavailable · Check page ↗15 shared non-person entities · 1 shared topics · similarity 0.980
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000152814
Draft document outlining concepts and priorities for sampling buildings near the WTC to identify worst-case contamination scenarios.
15 shared non-person entities · 1 shared topics · similarity 0.980
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000152825
Draft protocol establishing procedures for evaluating airborne and settled dust in residential and commercial areas near the World Trade Center.
15 shared non-person entities · 1 shared topics · similarity 0.980
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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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_000139574
Instruction to retain original World Trade Center documents as evidence for potential future legal actions against the City.
Filed in the same folder
NYC-WTC_000139575
Instruction to retain original WTC documents for potential future legal actions rather than disposing of them.
Filed in the same folder
NYC-WTC_000139576
Forwarded memo containing World Trade Center phase contrast microscopy air quality test results from October 10, 2001.
Filed in the same folder
NYC-WTC_000139577
Forwarded memo with World Trade Center phase contrast microscopy air quality sampling test results from October 15, 2001.
Filed in the same folder
NYC-WTC_000139579
Request to DEP bureau staff to complete and submit time sheets documenting hours worked on World Trade Center response activities.
Filed in the same folder